OS Therapies Inc
For the period ended Dec 31, 2025. Filed Mar 31, 2026.
View on SEC.govAbout this filing
A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.
FY2025 · Filed Mar 31, 2026
What changed in Risk Factors?
Read the current filingPrevious report: 10-K
Period ended 2024-12-31; filed 2025-03-31.
0001213900-25-026238
Item 1A. Risk FactorsCurrent report: 10-K
Period ended 2025-12-31; filed 2026-03-31.
0001213900-26-036629
Item 1A. Risk FactorsThe baseline is this issuer’s latest earlier reporting period of the same form that was filed before the current report. A previous 10-Q is a different quarter, not a year-over-year comparison. Amendments are excluded.
Compared 165 previous paragraphs and 181 current paragraphs.
85 unchanged; 52 reworded; 44 added; 28 removed; 0 previous and 0 current paragraphs rearranged.
Tables are not compared: 91 previous and 82 current tables excluded. Dates, whitespace, punctuation and numbering changes are ignored; changes to financial figures remain significant.
A changed paragraph is not evidence that risk increased or decreased. An unchanged paragraph does not establish that risk stayed the same.
Added paragraphs (44)
Current report
Even if we pursue these regulatory pathways, we face significant risks and uncertainties that may prevent us from generating revenue, including, but not limited to:
Current report
In addition, while OST-HER2 has received Rare Pediatric Disease Designation and we may become eligible to receive a Priority Review Voucher if certain regulatory approvals are obtained within specified timeframes, there can be no assurance that we will meet the requirements to receive such a voucher or that it will provide any financial or strategic benefit to us.
Current report
Because of the numerous risks and uncertainties associated with drug development and commercialization, we may never generate significant revenue from product sales or achieve profitability.
Current report
As a result, we will need to generate significant revenue to achieve profitability, and we may never achieve or sustain profitability.
Current report
The development of biopharmaceutical product candidates is capital intensive and subject to significant uncertainty. We are currently advancing our lead product candidate, OST-HER2, toward potential regulatory submission and approval, and our OST-tADC platform remains in preclinical development. We expect our expenses to increase substantially as we continue to support regulatory interactions, prepare for potential BLA submissions, conduct additional analyses, initiate any required confirmatory clinical trials, and expand our research and development activities. If OST-HER2 receives regulatory approval, we also expect to incur significant costs related to commercialization, including manufacturing scale-up, sales, marketing, distribution and medical affairs, whether independently or with collaborators.
Current report
Our capital requirements will depend on many factors, including regulatory outcomes, the scope and timing of any additional clinical trials that may be required by regulatory authorities, the costs of manufacturing and process development for our product candidates, the pace of expansion into additional indications or geographies, and our ability to establish collaborations or strategic partnerships. In particular, despite the positive results from our Phase IIb clinical trial, regulatory authorities may require additional clinical data, including from randomized controlled trials, which would significantly increase our funding needs and extend development timelines.
Current report
We will require substantial additional capital to support our ongoing operations and execute our business strategy. However, we may be unable to obtain financing on acceptable terms, or at all. Market conditions, including volatility in the biotechnology sector, and our clinical, regulatory and commercial progress may adversely impact our ability to raise capital. If we are unable to secure adequate funding when needed, we may be required to delay, reduce or terminate development programs, including for OST-HER2 or our OST-tADC platform, limit our ability to pursue additional indications or regulatory approvals in other jurisdictions, delay or forgo commercialization efforts, or curtail our operations, any of which could materially harm our business, financial condition and results of operations.
Current report
We have incurred significant operating losses and negative cash flows from operations since our inception and expect to continue to incur substantial losses for the foreseeable future as we advance the development of our product candidates, including OST-HER2, and continue preclinical development of our OST-tADC platform. To date, we have financed our operations primarily through the issuance of equity and equity-linked securities, including common stock, preferred stock, convertible promissory notes and warrants in public and private offerings.
Current report
We do not currently generate product revenue and do not expect to generate any product revenue in the near term. In addition, we do not expect our existing collaboration or licensing arrangements, if any, to provide significant cash inflows sufficient to fund our operations. Our ability to generate revenue, if any, will depend on the successful development, regulatory approval and commercialization of our product candidates, which is subject to significant uncertainty and may not occur.
Current report
As a result of our recurring losses from operations, negative cash flows, and net capital deficiency, our independent registered public accounting firm has included an explanatory paragraph in its report on our consolidated financial statements expressing substantial doubt about our ability to continue as a going concern for at least 12 months from the date of issuance of the consolidated financial statements. Our consolidated financial statements do not include any adjustments that might result from the outcome of this uncertainty.
Current report
Many of these factors are beyond our control and could prevent or delay regulatory approval, limit the indications for which a product may be approved, or impose significant post-approval obligations. Any such setback could materially and adversely affect our business, prospects, and ability to generate revenue.
Current report
Delays or difficulties in enrolling patients in clinical trials could prevent or delay regulatory approval and increase development costs.
Current report
While we successfully enrolled 41 patients in our Phase IIb clinical trial of OST-HER2, patient enrollment in future trials may be slower or more limited due to the rarity of the disease, competition for patients from other clinical trials, or other factors outside our control, including:
Current report
Failure to enroll a sufficient number of patients in future trials could result in significant delays, increased development costs, or the need to suspend or abandon one or more clinical trials. Such delays may also impair our ability to seek participation in expedited regulatory programs, such as the FDA’s priority review or fast track designations, and could materially impact the timing, cost, and success of regulatory approvals and commercialization.
Current report
Regulatory authorities may also revise orphan drug regulations or policies, and it is uncertain how any such changes could impact our business or exclusivity rights.
Current report
Although a larger number of Osteosarcoma patients reside outside the United States, our ability to generate meaningful revenues in those jurisdictions may be limited due to pricing controls, reimbursement limitations, and other market access challenges.
Current report
In the United States, there have been significant legislative and regulatory efforts to control drug pricing. For example, the Inflation Reduction Act of 2022 includes provisions that permit the U.S. Department of Health and Human Services, through the CMS, to negotiate prices for certain high-expenditure drugs covered under Medicare, impose inflation-based rebates, and redesign certain aspects of the Medicare Part D program. While the full implementation and long-term impact of these measures are still evolving, they may reduce the prices we are able to charge for any approved products and adversely affect our revenues and profitability. Additional federal or state healthcare reform measures may also be adopted in the future that could further impact pricing and reimbursement.
Current report
In the United States, there have been significant efforts to control healthcare costs and drug pricing. For example, the Inflation Reduction Act of 2022 includes provisions that, among other things, allow the U.S. Department of Health and Human Services to negotiate prices for certain drugs covered under Medicare, impose inflation-based rebates, and redesign certain aspects of the Medicare Part D program. The implementation and long-term effects of these measures are still evolving, but they may reduce the revenues we are able to generate from any approved products. In addition, other federal and state legislative and regulatory proposals aimed at controlling drug pricing, increasing transparency, or reforming reimbursement systems have been introduced and may be enacted in the future.
Current report
We may face potential liability and increased regulatory scrutiny if we obtain, use or fail to adequately protect identifiable patient health information in connection with our clinical trials and operations.
Current report
In the course of our clinical development activities, we may obtain or have access to sensitive personally identifiable information, including protected health information, from clinical trial participants, healthcare providers, research institutions, contract research organizations, and other third parties. While most healthcare providers and research institutions are subject to privacy and security regulations under HIPPA, as amended by HITECH, we may, depending on the nature of our relationships, be deemed a business associate or otherwise contractually subject to certain HIPAA obligations. Even where we are not directly subject to HIPAA, we may be subject to criminal liability under HIPAA in certain circumstances, including if we knowingly obtain or misuse individually identifiable health information in a manner that violates applicable law.
Current report
In addition, we are or may become subject to a variety of other federal, state, and foreign privacy and data protection laws and regulations that govern the collection, use, storage, disclosure, and protection of personal information. These include, for example, U.S. state privacy laws such as the CCPA, as amended by the CPRA, and similar laws in other jurisdictions, as well as international data protection regulations such as the European Union’s GDPR, to the extent we conduct clinical trials or otherwise process personal data outside the United States. These laws are complex, evolving, and may impose significant compliance obligations, including requirements related to consent, data minimization, cross-border data transfers, breach notification, and individual rights.
Current report
We and our collaborators, including CROs, CMOs, and other third-party service providers, may also be subject to data breach notification laws and consumer protection laws that require us to notify affected individuals, regulatory authorities, and others in the event of a data breach involving personal information. Failure to comply with these requirements could result in significant penalties, litigation, and reputational harm. We face an increasing risk of cybersecurity incidents and data breaches, including those resulting from unauthorized access, system failures, or cyberattacks. Any such incident could compromise the confidentiality, integrity, or availability of our data, including clinical trial data, disrupt our operations, delay our development programs, and expose us to regulatory enforcement actions and liability. Ensuring compliance with applicable privacy, data protection, and cybersecurity laws and regulations may require us to expend substantial resources. Claims that we or our third-party partners have violated individuals’ privacy rights or failed to adequately protect personal information, even if unfounded, could be costly to defend and could result in adverse publicity, which could materially harm our business, financial condition, and results of operations.
Current report
In addition, these transactions may require us to incur substantial costs, record non-recurring charges, assume contingent liabilities, or issue equity securities that dilute our existing stockholders. If we are unable to successfully identify and execute strategic transactions, or if any such transactions fail to achieve their intended objectives, our ability to advance our product candidates, including OST-HER2 and our other programs, may be adversely affected, and our business, financial condition and results of operations could be materially harmed.
Current report
The degree of patent protection required to successfully commercialize our product candidates may be unavailable or limited. We cannot assure that any of the patents we own or in-license, or any pending patent applications, will issue with claims of sufficient scope to protect our product candidates or provide a meaningful competitive advantage. If the scope or strength of our intellectual property protection is reduced or challenged, it could adversely affect our ability to attract collaborators or commercial partners.
Current report
Third parties may have developed or may develop technologies that compete with ours, and they may have filed or may file patent applications, or may obtain patents, that overlap with or conflict with our intellectual property. Because patent applications are typically not published until 18 months after filing and scientific publications often lag behind discoveries, we cannot be certain that we or our licensors were the first to make the inventions claimed in our patents or pending applications. As a result, the validity, enforceability, scope, and commercial value of our intellectual property cannot be predicted with certainty.
Current report
Even if our patents are issued, they may be challenged, invalidated, narrowed, or held unenforceable in administrative proceedings or litigation in the United States or abroad. Such challenges could result in the loss of exclusivity, freedom to operate, or other competitive advantages. Furthermore, given the time required for clinical development and regulatory review, patent protection for our product candidates may expire before or shortly after commercialization, thereby limiting our ability to realize the full commercial value of our intellectual property. Any failure to obtain, maintain, protect, or enforce our intellectual property rights, or any loss or narrowing of such rights, could allow third parties to use our technology or develop competing products and could materially adversely affect our business, financial condition, results of operations, and prospects.
Current report
The degree of future protection afforded by our intellectual property rights, whether owned, co-owned or in-licensed, is uncertain because intellectual property rights have limitations, and may not adequately protect our business, provide a barrier to entry against our competitors or potential competitors, or permit us to maintain our competitive advantage. Moreover, if a third party has intellectual property rights that cover the practice of our technology, we may not be able to fully exercise or extract value from our intellectual property rights. The following examples are illustrative:
Current report
Use of artificial intelligence, machine learning and algorithmic tools involves risks that could materially and adversely affect our business, results of operations and development timelines.
Current report
We use, and expect to increasingly use, artificial intelligence (“AI”), machine learning (“ML”) and other data-driven models to support discovery, clinical trial design and operations, manufacturing planning, and other aspects of our business. The effectiveness of these systems depends on the quality and completeness of the underlying data, proper training and validation of models, human oversight, and adherence to applicable regulatory expectations. Errors, bias, software vulnerabilities, or misuse of AI, ML, or other algorithmic tools could compromise scientific conclusions, produce flawed clinical trial protocols, generate inaccurate operational or manufacturing forecasts, or result in breaches of data integrity or privacy. Such events could delay development, regulatory review, or commercialization, or could otherwise adversely affect patient safety.
Current report
Regulatory authorities, including FDA, the EMA and other global agencies, are increasingly scrutinizing the use of AI and ML in drug development, including claims regarding AI-assisted decision making. If our public statements regarding AI capabilities are inaccurate, incomplete, or become outdated, or if regulators adopt new expectations regarding AI governance, model validation, data transparency, or reporting in drug development, we could face investigations, enforcement actions, fines, or litigation. Such regulatory scrutiny could also require operational rework, additional documentation or validation, and delays in regulatory submissions or approvals.
Current report
In addition, malfunction, misuse, bias, or inaccuracies in AI, ML, or other algorithmic tools could materially and adversely affect the quality and reliability of our research and development programs, clinical data, manufacturing processes, and commercial operations. Any of these outcomes could materially delay development timelines, increase costs, negatively impact regulatory review, and reduce our ability to successfully develop, obtain marketing approval for, or commercialize our product candidates, which could have a material adverse effect on our business, financial condition, and prospects.
Current report
Geopolitical events, trade restrictions, sanctions and export controls could adversely affect our clinical operations, supply chain, data flows and financial transactions.
Current report
Our development, manufacturing, and supply chains, as well as certain aspects of our research and clinical programs, may be adversely affected by geopolitical events, including military conflicts, escalating international tensions, trade or investment restrictions, sanctions regimes, export controls, or retaliatory measures by foreign governments. Such actions could limit our ability, or the ability of our CROs, CMOs and other third-party partners, to source active pharmaceutical ingredients, starting materials, consumables, equipment, or software, to transfer biological materials, clinical samples, or data across international borders, or to make or receive payments in affected jurisdictions.
Current report
Geopolitical events may also increase cybersecurity threats targeting life sciences companies, potentially compromising sensitive research, patient data, or operational systems. Any of these factors could result in delays in our clinical trials, interruptions in the supply of materials or products, increased costs, or the need to rapidly identify and qualify alternative suppliers, manufacturing sites, or trial locations. Such disruptions could materially and adversely affect our business, results of operations, development timelines, and prospects for successfully developing and commercializing our product candidates.
Current report
We have issued, and may issue in the future, a significant number of shares of our common stock upon the conversion or exercise of outstanding preferred stock, warrants, stock options and other convertible securities.
Current report
During 2025 and the first quarter of 2026, we completed three warrant exercise inducement and exchange transactions pursuant to which holders exercised certain existing warrants for cash and received new warrants to purchase a number of shares of our common stock equal to the number of shares received upon such exercise. In March 2026, we completed the Bridge Financing that included the issuance of the Bridge Notes and the Bridge Warrants. The Bridge Notes are convertible into shares of our common stock under certain circumstances. If we complete a “Qualified Offering,” defined as a registered public offering or registered direct offering resulting in at least $2.5 million in gross proceeds from new money investments, the outstanding principal, together with all accrued and unpaid interest, will automatically convert into the securities sold in such offering at the offering price. Additionally, prior to any such Qualified Offering or repayment of the Bridge Notes, holders may elect to convert the Bridge Notes, in whole or in part, into shares of our common stock at a conversion price equal to 90% of the average daily volume-weighted average price of our common stock during the 10 trading days immediately preceding the holder’s conversion notice, subject to adjustment.
Current report
As of the date of this Form 10-K, (i) 1,401,786 shares of our common stock are issuable upon the conversion of outstanding shares of our Series A Preferred Stock, with a conversion ratio of 3.571429 per share, (ii) 10,399,522 shares of our common stock are issuable upon the exercise of outstanding warrants, (iii) 6,771,250 shares of our common stock are issuable upon the exercise of outstanding and vested stock options under our 2023 Incentive Compensation Plan and (iv) 1,392,805 shares of our common stock are issuable upon the conversion of outstanding Bridge Notes (assuming full conversion of such notes into common stock at a conversion price of $1.39, which was the closing price of our common stock on March 26, 2026).
Current report
As a result of these features, declines in the market price of our common stock or future issuances of securities at lower prices could result in additional shares of our common stock becoming issuable upon conversion or exercise of these securities. The issuance of such shares would substantially dilute the ownership interests and voting power of existing stockholders.
Current report
In addition, we have agreed, or may agree, to file registration statements covering the resale of shares of common stock issuable upon conversion or exercise of these securities. The availability of a significant number of shares for sale in the public market, or the perception that such sales could occur, could adversely affect the market price of our common stock and make it more difficult for us to raise additional capital in the future.
Current report
Sales of a substantial number of shares of our common stock, including those issued pursuant to the Sales Agreement, could cause the market price of our common stock to decline.
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Removed paragraphs (28)
Previous report
At two closings occurring on December 31, 2024 and January 14, 2025, we issued an aggregate of (i) 1,775,750 shares of Series A Preferred Stock and (ii) Series A Warrants initially exercisable into 1,775,750 shares of common stock pursuant to the Private Placement.
Previous report
In consideration of our purchase of the HER2 Assets, we agreed to pay to Ayala $7.5 million shares of our common stock, based on the volume-weighted average price of our common stock over the 30 trading days immediately preceding the closing date of the HER2 Purchase Agreement.
Previous report
The number of shares of common stock into which the Series A Preferred Stock and the Series A Warrants may be converted or exercised is also subject to potential increase pursuant to applicable resets and anti-dilution adjustments. For more detailed information about these adjustments, see*“Description of Capital Stock — Series A Preferred Stock — Resets and Anti-Dilution Adjustments.”* The issuance of common stock pursuant to the Series A Preferred Stock, Series A Warrants and the HER2 Purchase Agreement would substantially dilute the proportionate ownership and voting power of existing stockholders, and their issuance, or the possibility of their issuance, may depress the market price of our common stock.
Previous report
The development of pharmaceutical drugs is capital intensive. We are currently advancing OST-HER2 through clinical development and OST-tADC through preclinical development. The FDA allowed our OST31-164-01 study to be conducted in July 2021, and we initiated a Phase IIb clinical trial in 2022. We expect our expenses to increase in connection with our ongoing activities, particularly as we continue the research and development of, advance the preclinical and clinical activities of, and seek marketing approval for, our current or future product candidates. In addition, depending on the status of regulatory approval or, if we obtain marketing approval for any of our current or future product candidates, we expect to incur significant commercialization expenses related to sales, marketing, product manufacturing and distribution to the extent that such sales, marketing, product manufacturing and distribution are not the responsibility of our collaborators. We may also need to raise additional funds sooner if we choose to pursue additional indications and/or geographies for our current or future product candidates or otherwise expand more rapidly than we presently anticipate. We expect to incur additional costs associated with operating as a public company. We will need to obtain substantial additional funding in connection with our continuing operations. If we are unable to raise capital on a timely basis or on favorable terms, we would be forced to delay, scale back or discontinue the development and commercialization of one or more of our product candidates or delay our pursuit of potential in-licenses or acquisitions, which could materially affect our business, financial condition and results of operations.
Previous report
We have primarily financed our operations through proceeds from the sale of shares of common stock in our initial public offering and convertible notes, shares of our Series A convertible preferred stock and warrants to accredited investors. We have experienced significant negative cash flows from operations in each year since our inception. We do not expect to experience any significant positive cash flows from our existing collaboration agreements and do not expect to have any product revenue in the near term. We expect to incur substantial operating losses and negative cash flows from operations for the foreseeable future as we continue to invest significantly in research and development of our programs. As a result, our independent registered public accounting firm has issued a going concern opinion on our financial statements, expressing substantial doubt that we can continue as an ongoing business for the next 12 months after issuance of their report based on us having suffered recurring losses from operations and having a net capital deficiency.
Previous report
Any of these factors, many of which are beyond our control, could jeopardize our ability to obtain regulatory approval for and successfully market our current or future product candidates. Any such setback in our pursuit of regulatory approval would have a material adverse effect on our business and prospects.
Previous report
Patient enrollment may be affected by other factors that we may not be able to control including:
Previous report
Rare Osteosarcoma has relatively low prevalence and it may be difficult to identify patients with driver genes of the disease, which may lead to delays in enrollment for our trials.
Previous report
Osteosarcoma has relatively low prevalence and it may be difficult to identify patients with the eligibility criteria we are targeting. Osteosarcoma has an incident rate of approximately 1,000 individuals affected per year in the United States. Our inability to enroll a sufficient number of patients with the target indication for our clinical trials would result in significant delays and could require us to abandon one or more clinical trials altogether. Enrollment delays in our clinical trials may result in increased development costs for our current or future product candidates, which would cause the value of our company to decline and limit our ability to obtain additional financing. If we are unable to include patients with the target indication, this could compromise our ability to seek participation in the FDA’s expedited review and approval programs, or otherwise to seek to accelerate clinical development and regulatory timelines for our other product candidates.
Previous report
On August 3, 2017, the U.S. Congress passed the FDA Reauthorization Act of 2017. This act, among other things, codified the FDA’s pre-existing regulatory interpretation to require that a drug sponsor demonstrate the clinical superiority of an orphan drug that is otherwise the same as a previously approved drug for the same rare disease in order to receive orphan drug exclusivity. The new legislation reverses prior precedent holding that the Orphan Drug Act unambiguously requires that the FDA recognize the orphan exclusivity period regardless of a showing of clinical superiority. The FDA may further reevaluate the Orphan Drug Act and its regulations and policies. We do not know if, when or how the FDA may change the orphan drug regulations and policies in the future, and it is uncertain how any changes might affect our business. Depending on what changes the FDA may make to its Orphan Drug regulations and policies, our business could be adversely impacted.
Previous report
In light of the larger population of patients with Osteosarcoma who reside in foreign countries, our ability to generate meaningful revenues in those jurisdictions may be limited due to the strict price controls and reimbursement limitations imposed by governments outside of the United States. There is additionally a remote possibility that price controls may be enacted in the United States.
Previous report
We may face potential liability if we obtain identifiable patient health information from clinical trials sponsored by us.
Previous report
Most healthcare providers, including certain research institutions from which we may obtain patient health information, are subject to privacy and security regulations promulgated under HIPAA, as amended by the HITECH. We are not currently classified as a covered entity or business associate under HIPAA and thus are not directly subject to its requirements or penalties. However, any person may be prosecuted under HIPAA’s criminal provisions either directly or under aiding-and-abetting or conspiracy principles. Consequently, depending on the facts and circumstances, we could face substantial criminal penalties if we knowingly receive individually identifiable health information from a HIPAA-covered healthcare provider or research institution that has not satisfied HIPAA’s requirements for disclosure of individually identifiable health information. In addition, in the future, we may maintain sensitive personally identifiable information, including health information, that we receive throughout the clinical trial process, in the course of our research collaborations, and directly from individuals (or their healthcare providers) who may enroll in patient assistance programs if we choose to implement such programs. As such, we may be subject to state laws requiring notification of affected individuals and state regulators in the event of a breach of personal information, which is a broader class of information than the health information protected by HIPAA.
Previous report
Further, certain health privacy laws, data breach notification laws, consumer protection laws and genetic testing laws may apply directly to our operations and/or those of our collaborators and may impose restrictions on our collection, use and dissemination of individuals’ health information. Patients about whom we or our collaborators may obtain health information, as well as the providers who may share this information with us, may have statutory or contractual rights that limit our ability to use and disclose the information. We may be required to expend significant capital and other resources to ensure ongoing compliance with applicable privacy and data security laws. Claims that we have violated individuals’ privacy rights or breached our contractual obligations, even if we are not found liable, could be expensive and time-consuming to defend and could result in adverse publicity that could harm our business.
Previous report
If we or third-party CMOs, CROs or other contractors or consultants fail to comply with applicable federal, state/provincial or local regulatory requirements, we could be subject to a range of regulatory actions that could affect our or our contractors’ ability to develop and commercialize our therapeutic candidates and could harm or prevent sales of any affected therapeutics that we are able to commercialize, or could substantially increase the costs and expenses of developing, commercializing and marketing our therapeutics. Any threatened or actual government enforcement action could also generate adverse publicity and require that we devote substantial resources that could otherwise be used in other aspects of our business. Increasing use of social media could give rise to liability, breaches of data security or reputational damage.
Previous report
In addition, we face significant competition in seeking appropriate strategic partners and the negotiation process is time-consuming and complex. We may not be successful in our efforts to establish a strategic partnership or acquisition or other alternative arrangements for our current or future non-core product candidates because they may be deemed to be at too early of a stage of development for collaborative effort and third parties may not view our current or future product candidates as having the requisite potential to demonstrate safety, potency, purity and efficacy and obtain marketing approval.
Previous report
The degree of patent protection we require to successfully commercialize our current or future product candidates may be unavailable or severely limited in some cases and may not adequately protect our rights or permit us to gain or keep any competitive advantage. We cannot provide any assurances that any of the patents that we in-license have, or that any of such pending patent applications that mature into issued patents will include, claims with a scope sufficient to protect OST-HER2 and OST-tADC or our other current or future product candidates. In addition, if the breadth or strength of protection provided by such patent applications or any patents we may in-license is threatened, it could dissuade companies from collaborating with us to license, develop or commercialize current or future product candidates.
Previous report
Other parties have developed technologies that may be related or competitive to our own or those covered by our in-licensed patents, and such parties may have filed or may file patent applications, or may have received or may receive patents, claiming inventions that may overlap or conflict with those claimed in such patent applications or issued patents, with respect to either the same compounds, methods, formulations or other subject matter. Publications of discoveries in the scientific literature often lag behind the actual discoveries, and patent applications in the United States and other jurisdictions are typically not published until at least 18 months after the earliest priority date of patent filing, or in some cases not at all. Therefore, we cannot know with certainty whether the holder of our in-licensed patents was the first to make the inventions claimed in such patents or pending patent applications. As a result, the issuance, scope, validity, enforceability and commercial value of these in-licensed patent rights cannot be predicted with any certainty.
Previous report
The issuance of a patent is not conclusive as to its inventorship, scope, validity, or enforceability, and our in-licensed patents or patents we may own in the future may be challenged in the courts or patent offices in the United States and abroad. Such challenges may result in loss of patent or product exclusivity or freedom to operate or in patent claims being narrowed, invalidated or held unenforceable, in whole or in part, which could limit our ability to stop others from using or commercializing similar or identical technology and product candidates, or limit the duration of the patent protection of our technology and product candidates. In addition, given the amount of time required for the development, testing, and regulatory review of new product candidates, patents protecting such candidates might expire before or shortly after such candidates are commercialized. Any impairment of our intellectual property rights, or our failure to protect our intellectual property rights adequately, could give third parties access to our technology and product candidates and could materially and adversely impact our business, financial condition, results of operations, and prospects.
Previous report
The issuance of shares in connection with the Private Placement and the HER2 Purchase Agreement could adversely affect the prevailing market price of our shares.
Previous report
At two closings occurring on December 31, 2024 and January 14, 2025, we issued to the selling stockholders an aggregate of (i) 1,775,750 shares of Series A Preferred Stock and (ii) Series A Warrants initially exercisable into 1,775,750 shares of common stock pursuant to the Private Placement. The number of shares of common stock into which the Series A Preferred Stock and Series A Warrants may be converted or exercised is also subject to potential increase pursuant to applicable resets and anti-dilution adjustments. For more detailed information about these adjustments, see “Description of Capital Stock — Series A Preferred Stock — Resets and Anti-Dilution Adjustments.” We have also agreed to issue to Ayala $7.5 million shares of our common stock, based on the 30-day VWAP of our common stock immediately preceding the closing date of our purchase of the HER2 Assets. In the future, we may issue additional shares or other equity or debt securities convertible into shares. These issuances and any future issuance could result in substantial dilution to our existing stockholders and could cause our share price to decline.
Previous report
It is not possible to predict the actual number of ELOC Shares, if any, we will sell under the ELOC Purchase Agreement to Square Gate, or the actual gross proceeds resulting from those sales.
Previous report
On October 31, 2024, we entered into an Equity Purchase Agreement (the “ELOC Purchase Agreement”) with Square Gate Capital Master Fund, LLC — Series 3 (the “Square Gate”), pursuant to which Square Gate has committed to purchase shares of our common stock in an offering amount up to $15,000,000 (the “ELOC Shares”), subject to certain limitations and conditions set forth in the ELOC Purchase Agreement. The ELOC Shares that may be issued under the ELOC Purchase Agreement may be sold by us to Square Gate at our discretion from time to time until the earliest of (i) the date on which Square Gate has purchased ELOC Shares pursuant to the ELOC Purchase Agreement equal to the maximum amount of the committed equity facility (the “Facility” or “Equity Line of Credit”), (ii) October 31, 2026, (iii) written notice of termination by us to Square Gate (which cannot occur at any time that Square Gate holds any of the ELOC Shares), or (iv) written notice of termination by Square Gate to us upon certain events occurring.
Previous report
We generally have the right to control the timing and amount of any sales of the ELOC Shares to Square Gate under the ELOC Purchase Agreement. Sales of the ELOC Shares, if any, to Square Gate under the ELOC Purchase Agreement will depend upon market conditions and other factors to be determined by us. We may ultimately decide to sell to Square Gate all, some or none of the ELOC Shares that may be available for us to sell to Square Gate pursuant to the ELOC Purchase Agreement.
Previous report
Because the purchase price per share to be paid by Square Gate for the ELOC Shares that we may elect to sell to Square Gate under the ELOC Purchase Agreement, if any, will fluctuate based on the market prices of our shares at the time we elect to sell the ELOC Shares to Square Gate pursuant to the ELOC Purchase Agreement, if any, it is not possible for us to predict, as of the date of this annual report and prior to any such sales, the number of ELOC Shares that we will sell to Square Gate under the ELOC Purchase Agreement, the purchase price per share that Square Gate will pay for ELOC Shares purchased from us under the ELOC Purchase Agreement, or the aggregate gross proceeds that we will receive from those purchases by Square Gate under the ELOC Purchase Agreement.
Previous report
The ELOC Purchase Agreement provides that we may, in our discretion, from time to time during the term of the ELOC Purchase Agreement, direct Square Gate to purchase the ELOC Shares from us in one or more purchases under the ELOC Purchase Agreement, for a maximum aggregate gross purchase price of up to $15,000,000 of the ELOC Shares. Because the market prices of the ELOC Shares may fluctuate from time to time after the date of this annual report, the actual purchase prices to be paid by Square Gate for the ELOC Shares that we direct it to purchase under the ELOC Purchase Agreement, if any, also may fluctuate significantly based on the market price of the ELOC Shares.
Previous report
Any issuance and sale by us under the ELOC Purchase Agreement of a substantial number of ELOC Shares could cause substantial dilution to our stockholders. We registered resale under a registration statement 6,212,761 ELOC Shares, which was declared effective by the SEC on January 13, 2025. The number of ELOC Shares ultimately offered for sale by Square Gate is dependent upon the number of ELOC Shares, if any, we ultimately elect to sell to Square Gate under the ELOC Purchase Agreement. However, even if we elect to sell ELOC Shares to Square Gate pursuant to the ELOC Purchase Agreement, Square Gate may resell all, some or none of such shares at any time or from time to time in its sole discretion and at different prices.
Previous report
Pursuant to the ELOC Purchase Agreement, we will have discretion to vary the timing, price and number of shares sold to Square Gate. If and when we elect to sell the ELOC Shares to Square Gate pursuant to the ELOC Purchase Agreement, after Square Gate has acquired such ELOC Shares, Square Gate may resell all, some or none of such shares at any time or from time to time in its sole discretion and at different prices. As a result, investors who purchase shares from Square Gate in this offering at different times will likely pay different prices for those shares and so may experience different levels of dilution and in some cases substantial dilution and different outcomes in their investment results. Investors may experience a decline in the value of the shares they purchase from Square Gate in this offering as a result of future sales made by us to Investor at prices lower than the prices such investors paid for their shares in this offering. In addition, if we sell a substantial number of shares to Square Gate under the ELOC Purchase Agreement, or if investors expect that we will do so, the actual sales of shares or the mere existence of our arrangement with Square Gate may make it more difficult for us to sell equity or equity-related securities in the future at a time and at a price that we might otherwise wish to effect such sales.
Reworded paragraphs (52)
Previous wording
Our ability to become profitable depends upon our ability to generate revenue. To date, while we have generated significant interest in various research collaboration revenue, we have not generated any commercial revenue from our current core product candidates, including our lead core product candidate OST-HER2 and our other core product candidate OST-tADC, and we do not know and do not expect to generate any revenue from the sale of drugs in the near future. We do not expect to generate revenue unless and until we complete the development of, obtain marketing approval for, and begin to sell, OST-HER2, which is being evaluated in a Phase IIb clinical trial, or OST-tADC, which is still being evaluated at the preclinical stage. We are also unable to predict when, if ever, we will be able to generate revenue from such product candidates due to the numerous risks and uncertainties associated with drug development, including the uncertainty of:
Current wording
Our ability to achieve profitability depends on our ability to generate revenue from product sales. To date, while we have generated interest in potential research collaborations, we have not generated any commercial revenue from our product candidates, including our lead product candidate OST-HER2 and our OST-tADC platform. We do not expect to generate revenue from drug sales in the near future. We will not generate revenue unless and until we successfully complete the development of, obtain regulatory approval for, and commercialize one or more of our product candidates. Our lead product candidate, OST-HER2, has completed a Phase IIb clinical trial in patients with recurrent, fully resected pulmonary metastatic Osteosarcoma and we are currently pursuing regulatory interactions with the FDA and regulatory authorities in the United Kingdom and European Union regarding potential approval pathways. These pathways may include the FDA’s Accelerated Approval Program and conditional approval pathways in other jurisdictions. However, there can be no assurance that any such approvals will be granted, that confirmatory trials will be successful or that we will ultimately be able to commercialize OST-HER2. Our OST-tADC platform remains in the preclinical stage of development.
Previous wording
Since inception, we have focused substantially all of our efforts on the development of OST-HER2 and OST-tADC and our other clinical developments. To date, we have financed our operations primarily through the sale of convertible notes and other securities to outside investors. From July 2018 to April 2024, we raised an aggregate of approximately $19.2 million in gross proceeds from sales of our convertible notes. On July 31, 2024, we completed our initial public offering, raising $6.4 million in gross offering proceeds. From December 2024 through January 2025, we raised an aggregate of $7.1 million in gross proceeds from the Private Placement. Due to our significant research and development expenditures, we have experienced negative cash flows from operations, even in periods of operating income. For each of the years ended December 31, 2024 and 2023, we incurred a loss from operations and negative cash flows from operations. We expect to continue to incur significant expenses and operating losses over the next several years and for the foreseeable future. Our prior losses, combined with expected future losses, have had and will continue to have an adverse effect on our stockholders’ equity and working capital. We expect our expenses to significantly increase in connection with our ongoing activities, as we:
Current wording
Since our inception, we have devoted substantially all of our resources to the research and development of our product candidates, including OST-HER2 and our OST-tADC platform. As a result, we have incurred significant operating losses and negative cash flows from operations. For each of the years ended December 31, 2025 and 2024, we incurred operating losses and negative cash flows from operations. Since July 2018, we have financed our operations primarily through public and private offerings of our securities, from which we have raised aggregate gross proceeds of approximately $41.1 million. We have not generated any revenue from product sales and do not expect to do so unless and until one or more of our product candidates receives regulatory approval and is successfully commercialized. We expect to continue to incur significant expenses and operating losses for the foreseeable future. Our historical losses, together with expected future losses, have had and will continue to have an adverse effect on our stockholders’ equity and working capital. Our expenses are expected to increase substantially as we:
Previous wording
We may seek additional capital through a combination of public and private equity offerings, including our Equity Line of Credit as well as other debt financings, strategic collaborations and alliances and licensing arrangements. The terms of any financing may adversely affect the holdings or the rights of our stockholders and the issuance of additional securities, whether equity or debt, by us, or the possibility of such issuance, may cause the market price of our shares to decline. The sale of additional equity or convertible securities would dilute all of our stockholders. The incurrence of indebtedness would result in increased fixed payment obligations and we may be required to agree to certain restrictive covenants, such as limitations on our ability to incur additional debt, limitations on our ability to acquire, sell or license intellectual property rights and other operating restrictions that could adversely impact our ability to conduct our business. We could also be required to seek funds through arrangements with collaborators or otherwise at an earlier stage than otherwise would be desirable and we may be required to relinquish rights to some of our technologies or current or future product candidates or otherwise agree to terms unfavorable to us, any of which may have a material adverse effect on our business, operating results and prospects.
Current wording
We may seek additional capital through a combination of public and private securities offerings, including our at-the-market offering program, as well as other debt financings, strategic collaborations and alliances and licensing arrangements. The terms of any financing may adversely affect the holdings or the rights of our stockholders and the issuance of additional securities, whether equity or debt, by us, or the possibility of such issuance, may cause the market price of our shares to decline. The sale of additional equity or convertible securities would dilute all of our stockholders. The incurrence of indebtedness would result in increased fixed payment obligations and we may be required to agree to certain restrictive covenants, such as limitations on our ability to incur additional debt, limitations on our ability to acquire, sell or license intellectual property rights and other operating restrictions that could adversely impact our ability to conduct our business. We could also be required to seek funds through arrangements with collaborators or otherwise at an earlier stage than otherwise would be desirable and we may be required to relinquish rights to some of our technologies or current or future product candidates or otherwise agree to terms unfavorable to us, any of which may have a material adverse effect on our business, operating results and prospects.
Previous wording
Our financial statements do not include any adjustments that might result from the outcome of this uncertainty. We will need to raise additional capital to fund our future operations and remain a going concern. However, we cannot guarantee that we will be able to obtain sufficient additional funding or that such funding, if available, will be obtainable on terms favorable to us. In the event that we are unable to obtain sufficient additional funding, there can be no assurance that we will be able to continue as a going concern.
Current wording
We will need to raise substantial additional capital to fund our operations and remain a going concern. However, we cannot guarantee that we will be able to obtain sufficient additional funding or that such funding, if available, will be obtainable on acceptable terms. If we are unable to raise additional capital or otherwise address our liquidity needs, we may be required to significantly delay, scale back or discontinue the development of our product candidates, including OST-HER2, or otherwise curtail our operations. In such case, there can be no assurance that we will be able to continue as a going concern. In addition, the inclusion of a going concern explanatory paragraph in our auditor’s report may adversely affect our ability to obtain financing on acceptable terms, or at all, and could negatively impact the market price of our common stock.
Previous wording
Under Sections 382 and 383 of the Internal Revenue Code of 1986, as amended, or the Code, if a corporation undergoes an “ownership change” (generally defined as a greater than 50 percentage points (by value) in the ownership of its equity over a three-year period), the corporation’s ability to use its pre-change tax attributes to offset its post-change income may be limited. We have experienced such ownership changes in the past, and we may experience ownership changes in the future as a result of this offering or subsequent shifts in our stock ownership, some of which are outside our control. As of December 31, 2024 and 2023, we had federal and state NOLs of approximately $22,236,580 and $16,269,893, respectively, federal and state research and development tax credits of $268,568 and $268,568, respectively, and general business credit carryforwards of approximately $1,672,876 and $1,408,963, respectively. Our ability to utilize these NOLs and tax credit carryforwards may be limited by an “ownership change.” If we undergo future ownership changes, many of which may be outside of our control, our ability to utilize our NOLs and tax credit carryforwards could be further limited by Sections 382 and 383 of the Code. There is also a risk that due to regulatory changes, such as suspensions on the use of NOLs, or other unforeseen reasons, our existing NOLs could expire or otherwise become unavailable to offset future income tax liabilities. Additionally, our NOLs and tax credit carryforwards could be limited under state law. For these reasons, even if we attain profitability, we may be unable to use a material portion of our NOLs and other tax attributes.
Current wording
Under Sections 382 and 383 of the Internal Revenue Code of 1986, as amended, or the Code, if a corporation undergoes an “ownership change” (generally defined as a greater than 50 percentage points (by value) in the ownership of its equity over a three-year period), the corporation’s ability to use its pre-change tax attributes to offset its post-change income may be limited. We have experienced such ownership changes in the past, and we may experience ownership changes in the future as a result of this offering or subsequent shifts in our stock ownership, some of which are outside our control. As of December 31, 2025 and 2024, we had federal and state NOLs of approximately $33,561,091 and $22,236,580, respectively, federal and state research and development tax credits of $268,568 and $268,568, respectively, and general business credit carryforwards of approximately $3,492,199 and $1,672,876, respectively. Our ability to utilize these NOLs and tax credit carryforwards may be limited by an “ownership change.” If we undergo future ownership changes, many of which may be outside of our control, our ability to utilize our NOLs and tax credit carryforwards could be further limited by Sections 382 and 383 of the Code. There is also a risk that due to regulatory changes, such as suspensions on the use of NOLs, or other unforeseen reasons, our existing NOLs could expire or otherwise become unavailable to offset future income tax liabilities. Additionally, our NOLs and tax credit carryforwards could be limited under state law. For these reasons, even if we attain profitability, we may be unable to use a material portion of our NOLs and other tax attributes.
Previous wording
We currently have no product candidates approved for sale and may never be able to develop marketable product candidates. Our business depends heavily on the successful development, regulatory approval and commercialization of the current or future immunotherapy for Osteosarcoma product candidates, of which our lead product candidate, OST-HER2, is in Phase IIb clinical development. OST-tADC will require additional preclinical development and substantial clinical development, testing and regulatory approval before we are permitted to commence its commercialization. The preclinical studies and clinical trials of our current or future product candidates are, and the manufacturing and marketing of our current or future product candidates will be, subject to extensive and rigorous review and regulation by numerous government authorities in the United States and in other countries where we intend to test or, if approved, market any of our current or future product candidates. Before obtaining regulatory approvals for the commercial sale of any of our current or future product candidates, we must demonstrate through preclinical studies and clinical trials that each product candidate is safe and effective for use in each target indication. Drug development is a long, expensive and uncertain process, and delay or failure can occur at any stage of any of our clinical trials. This process can take many years and may include post-marketing studies and surveillance, which will require the expenditure of substantial resources beyond the proceeds we raise in this offering. Of the large number of drugs in development in the United States, only a small percentage will successfully complete the FDA regulatory approval process and will be commercialized, with similarly low rates of success for drugs in development in the European Union obtaining regulatory approval from the European Medicines Agency (EMA). Accordingly, even if we are able to obtain the requisite financing to continue to fund our development and preclinical studies and clinical trials, we cannot assure you that any of our current or future product candidates will be successfully developed and commercialized.
Current wording
We currently have no products approved for sale and may never successfully develop marketable product candidates. Our business depends heavily on the successful development, regulatory approval, and commercialization of our current and future immunotherapy product candidates for Osteosarcoma, of which our lead candidate, OST-HER2, is in Phase IIb clinical development. OST-tADC remains in preclinical development and will require substantial additional preclinical and clinical testing, as well as regulatory approvals, before we may commercialize it. The preclinical studies and clinical trials of our product candidates, as well as the manufacturing and marketing of any approved product, are subject to extensive and rigorous regulation by government authorities in the United States, the European Economic Area (EEA), and other jurisdictions in which we intend to test or market our product candidates. Before obtaining regulatory approvals, we must demonstrate through preclinical studies and clinical trials that each product candidate is safe and effective for its intended indication. Drug development is a lengthy, expensive, and uncertain process, and delay or failure can occur at any stage. Even with sufficient funding, there can be no assurance that any of our product candidates will be successfully developed, approved, or commercialized.
Previous wording
We are not permitted to market our current or future product candidates in the United States until we receive approval of a BLA from the FDA CBER, in the European Economic Area (EEA) until we receive approval of a marketing authorization applications (MAA) from the EMA, or in any other foreign countries until we receive the requisite approval from such countries. Obtaining approval of a BLA or MAA is a complex, lengthy, expensive and uncertain process, and the FDA or EMA may delay, limit or deny approval of any of our current or future product candidates for many reasons, including, among others:
Current wording
We cannot market our product candidates in the United States without approval of a BLA from the FDA, in the EEA without approval of a MAA from the EMA, or in other foreign jurisdictions without the requisite approvals. Obtaining regulatory approval is complex, time-consuming, costly, and uncertain, and the FDA, EMA, or other foreign authorities may delay, limit, or deny approval for many reasons, including but not limited to:
Previous wording
We may not be able to initiate or continue clinical trials for our current or future product candidates if we are unable to locate and enroll a sufficient number of eligible patients to participate in these trials as required by the FDA or similar regulatory authorities outside the United States. In particular, because we are focused on patients with rare Osteosarcoma, our ability to enroll eligible patients may be limited or may result in slower enrollment than we anticipate. Some of our competitors have ongoing clinical trials for current or future product candidates that treat the same patient populations as our current or future product candidates, and patients who would otherwise be eligible for our clinical trials may instead enroll in clinical trials of our competitors’ current or future product candidates.
Current wording
We may not be able to initiate or continue clinical trials for our current or future product candidates if we are unable to locate and enroll a sufficient number of eligible patients to participate in these trials as required by the FDA or similar regulatory authorities outside the United States. This challenge is particularly significant because we are focused on patients with rare Osteosarcoma, which has a relatively low prevalence, with an incident rate of approximately 1,000 individuals affected per year in the United States. Identifying patients who meet our eligibility criteria, including those with specific molecular or driver gene profiles, may be difficult and could lead to slower-than-expected enrollment. Some of our competitors have ongoing clinical trials for current or future product candidates that treat the same patient populations as our current or future product candidates, and patients who would otherwise be eligible for our clinical trials may instead enroll in clinical trials of our competitors’ current or future product candidates.
Previous wording
If we are not able to obtain, or if there are delays in obtaining, required regulatory approvals both for our current or future product candidates, we will not be able to commercialize, or will be delayed in commercializing, our current or future product candidates, and our ability to generate revenue will be materially impaired.
Current wording
If we are not able to obtain, or if there are delays in obtaining, required regulatory approvals for both our current or future product candidates, we will not be able to commercialize, or will be delayed in commercializing, our current or future product candidates, and our ability to generate revenue will be materially impaired.
Previous wording
The process of obtaining regulatory approvals, both in the United States and abroad, is expensive, may take many years if additional clinical trials are required, if approval is obtained at all, and can vary substantially based upon a variety of factors, including the type, complexity and novelty of the current or future product candidates involved. Changes in marketing approval requirements or policies during the development period, changes in or the enactment of additional statutes or regulations, or changes in regulatory review for each submitted NDA or BLA. The FDA and comparable authorities in other countries have substantial discretion in the approval process and may refuse to accept any application or may decide that our data are insufficient for approval and require additional preclinical, clinical or other studies. Our current or future product candidates could be delayed in receiving, or fail to receive, regulatory approval for many reasons, including the following:
Current wording
The process of obtaining regulatory approvals, both in the United States and abroad, is expensive, may take many years if additional clinical trials are required, if approval is obtained at all, and can vary substantially based upon a variety of factors, including the type, complexity and novelty of the current or future product candidates involved. Changes in marketing approval requirements or policies during the development period, changes in or the enactment of additional statutes or regulations, or changes in regulatory review for each submitted NDA or BLA. The FDA and comparable authorities in other countries have substantial discretion in the approval process and may refuse to accept any application or may decide that our data is insufficient for approval and require additional preclinical, clinical or other studies. Our current or future product candidates could be delayed in receiving, or fail to receive, regulatory approval for many reasons, including the following:
Previous wording
We may not be able to obtain or maintain orphan drug designation or exclusivity for any product candidates and, even if we do, that exclusivity may not prevent the FDA or EMA from approving other competing products.
Current wording
We may not be able to obtain or maintain orphan drug designation or exclusivity for any product candidates and, even if we do, that exclusivity may not prevent the FDA, EMA or other regulatory authorities from approving other competing products.
Previous wording
OST-HER2 received orphan drug designation for Osteosarcoma in the United States, and we may seek orphan drug designation (“ODD”) for other current or future product candidates. We are currently preparing to submit required information to the FDA in order to re-establish ODD for OST-HER2 in the first half of 2025. Regulatory authorities in some jurisdictions, including the United States and the European Union, may designate drugs for relatively small patient populations as orphan drugs. Under the Orphan Drug Act of 1983, the FDA may designate a product as an orphan drug if it is a drug intended to treat a rare disease or condition, which is generally defined as a patient population of fewer than 200,000 individuals in the United States.
Current wording
OST-HER2 received orphan drug designation for Osteosarcoma in the United States, and we may seek orphan drug designation (“ODD”) for other current or future product candidates. We have submitted the required information to the FDA in order to re-establish ODD for OST-HER2 in 2026. Regulatory authorities in some jurisdictions, including the United States and the European Union, may designate drugs for relatively small patient populations as orphan drugs. Under the Orphan Drug Act of 1983, the FDA may designate a product as an orphan drug if it is a drug intended to treat a rare disease or condition, which is generally defined as a patient population of fewer than 200,000 individuals in the United States.
Previous wording
Generally, if a product with an orphan drug designation subsequently receives the first marketing approval for the indication for which it has such designation, the product is entitled to a period of marketing exclusivity, which precludes the FDA or EMA from approving another marketing application for the same drug for that time period. The applicable period is seven years in the United States and ten years in the European Union. The exclusivity period in the European Union can be reduced to six years if a drug no longer meets the criteria for orphan drug designation or if the drug is sufficiently profitable so that market exclusivity is no longer justified. Orphan drug exclusivity may be lost if the FDA or EMA determines that the request for designation was materially defective or if the manufacturer is unable to assure sufficient quantity of the drug to meet the needs of patients with the rare disease or condition.
Current wording
Generally, if a product with an orphan drug designation subsequently receives the first marketing approval for the indication for which it has such designation, the product may be entitled to a period of marketing exclusivity, during which the FDA or EMA generally cannot approve another marketing application for the same active ingredient for the same indication. The applicable period is seven years in the United States and ten years in the European Union, although EU exclusivity may be reduced to six years if a drug no longer meets the orphan criteria or is considered sufficiently profitable. Orphan drug exclusivity may be lost if the FDA or EMA determines that the request for designation was materially defective or if the manufacturer is unable to assure sufficient drug supply to meet patient needs.
Previous wording
Even if we obtain orphan drug exclusivity for a product, that exclusivity may not effectively protect the product from competition because competing drugs containing a different active ingredient can be approved for the same condition. In addition, even after an orphan drug is approved, the FDA can subsequently approve the same drug for the same condition if the FDA concludes that the later drug is clinically superior in that it is shown to be safer, more effective or makes a major contribution to patient care. Further, we may not be the first to obtain marketing approval for any particular orphan indication due to the uncertainties associated with developing pharmaceutical products, and thus, for example, approval of our product candidates could be blocked for seven years if another company previously obtained approval and orphan drug exclusivity in the United States for the same drug and same condition.
Current wording
Even if we obtain orphan drug exclusivity for a product, that exclusivity may not effectively protect the product from competition. Drugs with different active ingredients can be approved for the same condition, and the FDA or EMA may approve the same drug for the same condition if a later product demonstrates clinical superiority, such as being safer, more effective, or making a major contribution to patient care. In addition, we may not be the first to obtain marketing approval for a particular orphan indication. Approval of another product for the same active ingredient and indication could prevent or delay our ability to obtain orphan drug exclusivity, materially affecting our competitive position.
Previous wording
Although we have obtained rare pediatric disease designation for OST-HER2 for Osteosarcoma patients, we may not be eligible to receive a priority review voucher in the event that FDA approval does not occur prior to September 30, 2026.
Current wording
Although we have obtained rare pediatric disease designation for OST-HER2 for Osteosarcoma patients, we may not be eligible to receive a priority review voucher in the event that FDA approval does not occur within the timeframe required by the applicable statutory provisions or if future law changes eliminate or further modify the PRV Program.
Previous wording
The Rare Pediatric Disease Priority Review Voucher Program (“PRV Program”) is intended to incentivize pharmaceutical sponsors to develop drugs for rare diseases. A sponsor who obtains approval of an NDA or BLA for a rare disease may be eligible for a Priority Review Voucher (“PRV”) under this program, which may be redeemed by the owner of such PRV to obtain priority review for a marketing application. A PRV is fully transferrable and can be sold to any sponsor, who in turn can redeem the PRV for priority review of a marketing application in six months, compared to the standard timeframe of approximately ten months. Under the 21 st Century Cures Act, a drug that receives rare disease designation before September 30, 2024, will continue to be eligible for a PRV if the drug is approved before September 30, 2026. If we do not obtain approval of a BLA for OST-HER2 in patients with Osteosarcoma, and if the PRV Program is not extended by Congressional action, we may not receive a PRV.
Current wording
The Rare Pediatric Disease Priority Review Voucher Program (“PRV Program”) is intended to incentivize pharmaceutical sponsors to develop drugs for rare diseases. A sponsor who obtains approval of an NDA or BLA for a rare disease may be eligible for a Priority Review Voucher (“PRV”) under this program, which may be redeemed by the owner of such PRV to obtain priority review for a marketing application. A PRV is fully transferrable and can be sold to any sponsor, who in turn can redeem the PRV for priority review of a marketing application in six months, compared to the standard timeframe of approximately ten months. Under current law, as amended by the Consolidated Appropriations Act, 2026, the PRV Program is authorized through September 30, 2029. The FDA may not award PRVs under this program after that date. Eligibility for a PRV generally requires both rare pediatric disease designation and approval of a marketing application for the designated rare pediatric disease. Even if OST-HER2 receives rare pediatric disease designation and is ultimately approved, we may not receive a PRV if the BLA is not approved in time to meet statutory requirements or if the PRV Program is subsequently modified or allowed to expire. In addition, even if we are eligible for and obtain a PRV, there can be no assurance that we will be able to realize significant value from the voucher, as the market for PRVs and their perceived value may vary over time and may be affected by changes in regulatory policies, business conditions or the supply of available PRVs.
Previous wording
If the FDA or a comparable foreign regulatory authority approves any of our current or future product candidates, the manufacturing processes, labeling, packaging, distribution, adverse event reporting, storage, advertising, promotion and recordkeeping for the drug will be subject to extensive and ongoing regulatory requirements. These requirements include submissions of safety and other post-marketing information and reports, registration, as well as continued compliance with cGMPs and Good Clinical Practices, or GCPs, for any clinical trials that we conduct post-approval. Any regulatory approvals that we receive for our current or future product candidates may also be subject to limitations on the approved indicated uses for which the drug may be marketed or to the conditions of approval, or contain requirements for potentially costly post-marketing testing, including Phase IV clinical trials, and surveillance to monitor the safety and efficacy of the drug. Later discovery of previously unknown problems with a drug, including adverse events of unanticipated severity or frequency, or with our third-party manufacturers or manufacturing processes, or failure to comply with regulatory requirements, may result in, among other things:
Current wording
If the FDA or a comparable foreign regulatory authority approves any of our current or future product candidates, the manufacturing processes, labeling, packaging, distribution, adverse event reporting, storage, advertising, promotion and recordkeeping for the drug will be subject to extensive and ongoing regulatory requirements. These requirements include submissions of safety and other post-marketing information and reports, registration, as well as continued compliance with cGMPs and GCPs for any clinical trials that we conduct post-approval. Any regulatory approvals that we receive for our current or future product candidates may also be subject to limitations on the approved indicated uses for which the drug may be marketed or to the conditions of approval, or contain requirements for potentially costly post-marketing testing, including Phase IV clinical trials, and surveillance to monitor the safety and efficacy of the drug. Later discovery of previously unknown problems with a drug, including adverse events of unanticipated severity or frequency, or with our third-party manufacturers or manufacturing processes, or failure to comply with regulatory requirements, may result in, among other things:
Previous wording
Positive results from our preclinical studies of our current or future product candidates, and any positive results we may obtain from our early clinical trials of our current or future product candidates, may not necessarily be predictive of the results from required later preclinical studies and clinical trials. Similarly, even if we are able to complete our planned preclinical studies or clinical trials of our current or future product candidates according to our current development timeline, the positive results from our preclinical studies and clinical trials of our current or future product candidates may not be replicated in subsequent preclinical studies or clinical trial results. For example, our later-stage clinical trials could differ in significant ways from our ongoing Phase IIb clinical trial of OST-HER2, which could cause the outcome of these later-stage trials to differ from our earlier-stage clinical trials. For example, these differences may include changes to inclusion and exclusion criteria, final dosage formulation, efficacy endpoints and statistical design.
Current wording
Positive results from our preclinical studies of our current or future product candidates, and any positive results we may obtain from our early clinical trials of our current or future product candidates, may not necessarily be predictive of the results from required later preclinical studies and clinical trials. Similarly, even if we are able to complete our planned preclinical studies or clinical trials of our current or future product candidates according to our current development timeline, the positive results from our preclinical studies and clinical trials of our current or future product candidates may not be replicated in subsequent preclinical studies or clinical trial results. For example, our later-stage clinical trials could differ in significant ways from our Phase IIb clinical trial of OST-HER2, which could cause the outcome of these later-stage trials to differ from our earlier-stage clinical trials. For example, these differences may include changes to inclusion and exclusion criteria, final dosage formulation, efficacy endpoints and statistical design.
Previous wording
Because we have limited financial and management resources, we focus on a limited number of research programs and product candidates and are currently focused on our core programs, including our lead core product candidate OST-HER2 for the treatment of Osteosarcoma and our other core product candidate OST-tADC for the treatment of Osteosarcoma. As a result, we may forego or delay pursuit of opportunities with other current or future product candidates or for other indications that later prove to have greater commercial potential. Our resource allocation decisions may cause us to fail to capitalize on viable commercial drugs or profitable market opportunities. Our spending on current and future research and development programs and current or future product candidates for specific indications may not yield any commercially viable drugs. If we do not accurately evaluate the commercial potential or target market for a particular product candidate, we may relinquish valuable rights to that product candidate through future collaboration, licensing or other royalty arrangements in cases in which it would have been more advantageous for us to retain sole development and commercialization rights to such product candidate.
Current wording
Because we have limited financial and management resources, we focus on a limited number of research programs and product candidates and are currently focused on our lead core product candidate OST-HER2 and our other core product candidate OST-tADC, both targeting the treatment of Osteosarcoma. As a result, we may forego or delay pursuit of opportunities with other current or future product candidates or for other indications that later prove to have greater commercial potential. Our resource allocation decisions may cause us to fail to capitalize on viable commercial drugs or profitable market opportunities. Our spending on current and future research and development programs and current or future product candidates for specific indications may not yield any commercially viable drugs. If we do not accurately evaluate the commercial potential or target market for a particular product candidate, we may relinquish valuable rights to that product candidate through future collaboration, licensing or other royalty arrangements in cases in which it would have been more advantageous for us to retain sole development and commercialization rights to such product candidate.
Previous wording
The incidence of new cases of Osteosarcoma is approximately 1,000 individuals in the United States annually and approximately 20,000 individuals globally. In some countries, particularly in the European Union, the pricing of prescription pharmaceuticals is subject to governmental control. In these countries, pricing negotiations with governmental authorities can take considerable time after the receipt of marketing approval for a drug. To obtain coverage and reimbursement or pricing approval in some countries, we may be required to conduct a clinical trial that compares the cost-effectiveness of our product candidate to other available therapies. In addition, many countries outside the United States have limited government support programs that provide for reimbursement of drugs such as are product candidates, with an emphasis on private payors for access to commercial products. If reimbursement of our product candidates is unavailable or limited in scope or amount, or if pricing is set at unsatisfactory levels, our business could be harmed, possibly materially, based, in part, on the larger population of patients with Osteosarcoma who reside in foreign countries. In parts of Africa and certain countries in the Middle East, the lack of healthcare infrastructure to help adequately diagnose and treat patients may limit our business potential in those otherwise viable markets. Finally, there is a remote possibility that price controls may be enacted in the United States.
Current wording
The incidence of new cases of Osteosarcoma is approximately 1,000 individuals annually in the United States and approximately 20,000 globally. Although the global patient population is larger, our ability to generate revenues outside the United States may be limited by pricing regulations, reimbursement restrictions, and market access barriers. In many countries, particularly in the European Union and other developed markets, the pricing of prescription pharmaceuticals is subject to governmental control, and pricing and reimbursement approvals may be required prior to or following marketing authorization. Pricing negotiations with governmental authorities can be lengthy and may delay the commercial launch of a product candidate. In some jurisdictions, obtaining reimbursement or pricing approval may require the submission of health economic data or the conduct of additional clinical studies to demonstrate cost-effectiveness relative to existing therapies. If reimbursement for our product candidates is unavailable, limited in scope, or subject to significant restrictions, or if pricing is set at unsatisfactory levels, our ability to generate revenues in those markets may be materially adversely affected. In addition, in certain regions, including parts of Africa and the Middle East, limited healthcare infrastructure and diagnostic capabilities may constrain our ability to identify and treat patients, thereby limiting commercial opportunities. In the United States, there have been significant efforts to control drug pricing. For example, the Inflation Reduction Act of 2022 introduced measures that allow the federal government to negotiate prices for certain drugs under Medicare and impose rebates tied to inflation. These and other pricing reforms may reduce the prices we are able to charge for any approved products and adversely affect our revenues.
Previous wording
The development and commercialization of new drugs is highly competitive. We face competition with respect to our current product candidates and will face competition with respect to any product candidates that we may seek to develop or commercialize in the future from major pharmaceutical companies, specialty pharmaceutical companies and biotechnology companies worldwide. There are a number of large pharmaceutical and biotechnology companies that currently market and sell drugs or are pursuing the development of therapies for rare diseases and cancers, including Osteosarcoma. Some of these competitive drugs and therapies are based on scientific approaches that are similar to our approach, and others are based on entirely different approaches. Potential competitors also include academic institutions, government agencies and other public and private research organizations that conduct research, seek patent protection and establish collaborative arrangements for research, development, manufacturing and commercialization.
Current wording
The development and commercialization of new drugs is highly competitive and constantly evolving. We face competition with respect to our current product candidates and will face competition with respect to any product candidates that we may seek to develop or commercialize in the future from major pharmaceutical companies, specialty pharmaceutical companies, biotechnology companies, academic institutions, government agencies and other public and private research organizations worldwide. Some of these competitors currently market or are actively developing therapies for rare diseases and cancers, including Osteosarcoma, and some programs may be based on scientific approaches that are similar to ours, while others may employ entirely different approaches.
Previous wording
Specifically, there are a large number of companies developing or marketing treatments for rare diseases and cancers, including many major pharmaceutical and biotechnology companies. If OST-HER2 receives marketing approval for the treatment of Osteosarcoma, it may face competition from other product candidates in development for these indications, including product candidates in development from AstraZeneca, Y-mAbs Therapeutics and MD Anderson Cancer Center, among others.
Current wording
Specifically, if OST-HER2 receives marketing approval for the treatment of Osteosarcoma, it may face competition from other product candidates in development for these indications, including programs from AstraZeneca, Y-mAbs Therapeutics, MD Anderson Cancer Center and others. The competitive landscape is dynamic: competitors’ programs may advance or be discontinued, and new entrants may emerge, which could materially affect our ability to capture or maintain market share.
Previous wording
Many of the companies against which we are competing or against which we may compete in the future have significantly greater financial resources and expertise in research and development, manufacturing, preclinical testing, conducting clinical trials, obtaining regulatory approvals and reimbursement and marketing approved drugs than we do. Mergers and acquisitions in the pharmaceutical and biotechnology industries may result in even more resources being concentrated among a smaller number of our competitors. Smaller or early-stage companies may also prove to be significant competitors, particularly through collaborative arrangements with large and established companies. These competitors also compete with us in recruiting and retaining qualified scientific, sales, marketing and management personnel and establishing clinical trial sites and patient registration for clinical trials, as well as in acquiring technologies complementary to, or necessary for, our programs.
Current wording
Many of the companies against which we are competing or may compete in the future have significantly greater financial, technical, regulatory and commercial resources than we do, including greater expertise in research and development, manufacturing, preclinical testing, conducting clinical trials, obtaining regulatory approvals and reimbursement, and marketing approved drugs. Mergers and acquisitions in the pharmaceutical and biotechnology industries may result in further consolidation and concentration of resources among a smaller number of competitors. Smaller or early-stage companies may also prove to be significant competitors, particularly through collaborative arrangements with large and established companies. These competitors may also compete with us in recruiting and retaining qualified scientific, sales, marketing, and management personnel, establishing clinical trial sites and enrolling patients in clinical trials, as well as in acquiring technologies complementary to, or necessary for, our programs.
Previous wording
The regulations that govern regulatory approvals, pricing and reimbursement for new drugs vary widely from country to country. Some countries require approval of the sale price of a drug before it can be marketed. In many countries, the pricing review period begins after marketing approval is granted. In some foreign markets, prescription pharmaceutical pricing remains subject to continuing governmental control even after initial approval is granted. As a result, we might obtain marketing approval for a product candidate in a particular country, but then be subject to price regulations that delay our commercial launch of the product candidate, possibly for lengthy time periods, and negatively impact the revenues we are able to generate from the sale of the product candidate in that country. Adverse pricing limitations may hinder our ability to recoup our investment in one or more current or future product candidates, even if our current or future product candidates obtain marketing approval.
Current wording
The regulations that govern regulatory approvals, pricing, and reimbursement for new drugs vary widely from country to country. Some countries require approval of the sale price of a drug before it can be marketed, and in many countries, the pricing review period begins after marketing approval is granted. In certain markets, including the European Union, prescription pharmaceutical pricing remains subject to continuing governmental control even after initial approval. As a result, we may obtain marketing approval for a product candidate in a particular country but be subject to price regulations that delay commercial launch or limit the revenues we are able to generate from the sale of the product candidate in that country. Adverse pricing limitations may hinder our ability to recoup our investment in one or more current or future product candidates, even if approved.
Previous wording
Our ability to commercialize any current or future product candidates successfully also will depend in part on the extent to which coverage and reimbursement for these current or future product candidates and related treatments will be available from government authorities, private health insurers and other organizations. Government authorities and other third-party payors, such as private health insurers and health maintenance organizations, decide which medications they will pay for (i.e., cover) and establish reimbursement levels. Factors payors consider in determining reimbursement are based on whether the product is:
Current wording
Our ability to successfully commercialize any current or future product candidates will depend in part on the extent to which coverage and reimbursement for these product candidates and related treatments are available from government authorities, private health insurers, and other organizations. Government authorities and other third-party payors decide which medications they will cover and establish reimbursement levels. Factors payors consider in determining reimbursement include whether the product is a covered benefit, safe and effective, medically necessary, appropriate for the patient, and cost-effective, and whether it is considered experimental or investigational.
Previous wording
A primary trend in the U.S. healthcare industry and elsewhere is cost containment. Government authorities and other third-party payors have attempted to control costs by limiting coverage and the amount of reimbursement for particular drugs. Increasingly, third-party payors are requiring that drug companies provide them with predetermined discounts from list prices and are challenging the prices charged for drugs. We cannot be sure that coverage will be available for any product candidate that we commercialize and, if coverage is available, the level of reimbursement. Reimbursement may impact the demand for, or the price of, any product candidate for which we obtain marketing approval. If reimbursement is not available or is available only to limited levels, we may not be able to successfully commercialize any product candidate for which we obtain marketing approval.
Current wording
A primary trend in the U.S. healthcare industry and elsewhere is cost containment. Government authorities and third-party payors have sought to control costs by limiting coverage, setting reimbursement levels, requiring rebates and discounts, and challenging the prices charged for drugs. We cannot be sure that coverage will be available for any product candidate that we commercialize or, if coverage is available, the level of reimbursement. Reimbursement levels may impact the demand for, or the price of, any product candidate for which we obtain marketing approval.
Previous wording
There may be significant delays in obtaining reimbursement for newly approved drugs, and coverage may be more limited than the purposes for which the drug is approved by the FDA or similar regulatory authorities outside the United States. Moreover, eligibility for reimbursement does not imply that any drug will be paid for in all cases or at a rate that covers our costs, including research, development, manufacture, sale and distribution. Interim reimbursement levels for new drugs, if applicable, may also not be sufficient to cover our costs and may not be made permanent. Reimbursement rates may vary according to the use of the drug and the clinical setting in which it is used, may be based on reimbursement levels already set for lower cost drugs and may be incorporated into existing payments for other services. Net prices for drugs may be reduced by mandatory discounts or rebates required by government healthcare programs or private payors and by any future relaxation of laws that presently restrict imports of drugs from countries where they may be sold at lower prices than in the United States. In the United States, decisions as to coverage and reimbursement by the Medicare program are typically made by the Centers for Medicare & Medicaid Services, or CMS, an agency within the U.S. Department of Health and Human Services, or HHS. CMS decides whether and to what extent a new medicine will be covered and reimbursed under Medicare. Third-party payors often rely upon Medicare coverage policy and payment limitations in setting their own reimbursement policies. Our inability to promptly obtain coverage and profitable payment rates from both government-funded and private payors for any approved drugs that we develop could have a material adverse effect on our operating results, our ability to raise capital needed to commercialize drugs and our overall financial condition.
Current wording
There may be significant delays in obtaining reimbursement for newly approved drugs, and coverage may be more limited than the purposes for which the drug is approved by the FDA or comparable foreign regulatory authorities. Moreover, eligibility for reimbursement does not imply that any drug will be paid for in all cases or at a rate that covers our costs, including research, development, manufacturing, and distribution. Reimbursement rates may vary based on the use of the drug, the clinical setting, and comparisons to lower-cost therapies, and may be incorporated into bundled payments for other services. Net prices for drugs may also be reduced by mandatory discounts or rebates required by government healthcare programs or private payors. In the United States, coverage and reimbursement decisions for Medicare are made by CMS, and private payors often follow Medicare coverage policies and payment limitations in setting their own reimbursement practices. Our inability to obtain timely and adequate coverage and reimbursement for any approved products could have a material adverse effect on our business, financial condition, and results of operations.
Previous wording
The United States and many foreign jurisdictions have enacted or proposed legislative and regulatory changes affecting the healthcare system that could prevent or delay marketing approval of our current or future product candidates or any future product candidates, restrict or regulate post-approval activities and affect our ability to profitably sell a product for which we obtain marketing approval. Changes in regulations, statutes or the interpretation of existing regulations could impact our business in the future by requiring, for example: (i) changes to our manufacturing arrangements; (ii) additions or modifications to product labeling; (iii) the recall or discontinuation of our products; or (iv) additional record-keeping requirements. If any such changes were to be imposed, they could adversely affect the operation of our business.
Current wording
The United States and many foreign jurisdictions have enacted and continue to consider legislative and regulatory changes affecting the healthcare system that could prevent or delay marketing approval of our current or future product candidates, restrict or regulate post-approval activities, and affect our ability to profitably commercialize any products for which we obtain marketing approval. Changes in regulations, statutes, or the interpretation of existing requirements could require, among other things: (i) changes to our manufacturing arrangements; (ii) additions or modifications to product labeling; (iii) the recall or discontinuation of products; or (iv) additional recordkeeping, reporting, or compliance obligations. Any such changes could adversely affect our operations and increase our costs.
Previous wording
Our revenue prospects could be affected by changes in healthcare spending and policy in the United States and abroad. We operate in a highly regulated industry and new laws, regulations or judicial decisions, or new interpretations of existing laws, regulations or decisions, related to healthcare availability, the method of delivery or payment for healthcare products and services could negatively impact our business, operations and financial condition. We cannot predict the likelihood, nature or extent of government regulation that may arise from future legislation or administrative action in the United States or any other jurisdiction. It is possible that additional governmental action is taken to address the Covid-19 pandemic. If we or any third parties we may engage are slow or unable to adapt to changes in existing requirements or the adoption of new requirements or policies, or if we or such third parties are not able to maintain regulatory compliance, our product candidates may lose any regulatory approval that may have been obtained and we may not achieve or sustain profitability.
Current wording
Our revenue prospects may also be affected by changes in healthcare spending and policy in the United States and abroad. We operate in a highly regulated industry, and new laws, regulations, or judicial decisions, or new interpretations of existing laws, regulations, or decisions, related to healthcare availability, pricing, coverage, or reimbursement may negatively impact our business, financial condition, and results of operations. We cannot predict the likelihood, nature, or extent of future healthcare reform measures or their potential impact on our business. If we or any third parties we engage are unable to adapt to changes in existing requirements or the adoption of new requirements or policies, or if we or such third parties fail to maintain regulatory compliance, we may lose any regulatory approvals that we may obtain and may not achieve or sustain profitability.
Previous wording
Our relationships with prescribers, customers and third-party payors will be subject to applicable anti-kickback, fraud and abuse and other healthcare laws and regulations, which could expose us to criminal sanctions, civil penalties, exclusion from government healthcare programs, contractual damages, reputational harm and diminished profits and future earnings.
Current wording
Our relationships with prescribers, customers and third-party payors will be subject to applicable anti-kickback, fraud and abuse and other healthcare laws and regulations, which could expose us to significant penalties and adversely affect our business.
Previous wording
Although we do not currently have any drugs on the market, if we begin commercializing our current or future product candidates, we will be subject to additional healthcare statutory and regulatory requirements and enforcement by the federal government and the states and foreign governments in which we conduct our business. Healthcare providers, including physicians, play a primary role in the recommendation and prescription of any current or future product candidates for which we obtain marketing approval. Our future arrangements with healthcare providers, as well as third-party payors and customers, will expose us to broadly applicable fraud and abuse and other healthcare laws and regulations will constrain the business and/or financial arrangements and relationships through which we market, sell and distribute our current or future product candidates for which we obtain marketing approval. Restrictions under applicable federal and state healthcare laws and regulations, include the following:
Current wording
Although we do not currently have any products on the market, if we begin commercializing our current or future product candidates, we will become subject to additional healthcare statutory and regulatory requirements and enforcement by federal, state, and foreign governmental authorities. Healthcare providers, including physicians, play a primary role in the recommendation and prescription of any products for which we obtain marketing approval. Our arrangements with healthcare providers, third-party payors, and customers will expose us to broadly applicable fraud and abuse and other healthcare laws and regulations that constrain the business and financial relationships through which we market, sell, and distribute our products. Restrictions under applicable federal and state healthcare laws and regulations include, among others, the following:
Previous wording
Ensuring that our future business arrangements with third parties comply with applicable healthcare laws and regulations could involve substantial costs. It is possible that governmental authorities will conclude that our business practices do not comply with current or future statutes, regulations or case law involving applicable fraud and abuse or other healthcare laws and regulations. If our operations were to be found to be in violation of any of these laws or any other governmental regulations that may apply to us, we may be subject to significant civil, criminal and administrative penalties, damages, fines, exclusion from government funded healthcare programs, such as Medicare and Medicaid, and the curtailment or restructuring of our operations. If any of the physicians or other providers or entities with whom we expect to do business is found to be not in compliance with applicable laws, they may be subject to criminal, civil or administrative sanctions, including exclusions from government funded healthcare programs.
Current wording
Ensuring that our business arrangements with third parties comply with applicable healthcare laws and regulations could involve substantial costs. The regulatory and enforcement environment in the healthcare industry remains active, and governmental authorities have increased their focus on compliance with these laws. It is possible that governmental authorities will conclude that our business practices do not comply with current or future statutes, regulations, or case law. If our operations are found to be in violation of any of these laws or any other applicable regulations, we may be subject to significant civil, criminal, and administrative penalties, including damages, fines, exclusion from government-funded healthcare programs such as Medicare and Medicaid, and the curtailment or restructuring of our operations. In addition, if any of the physicians or other providers or entities with whom we do business are found to be non-compliant, they may be subject to sanctions, which could also adversely affect our business.
Previous wording
We focus our research and product development on treatments for Osteosarcoma. The incidence of new cases of Osteosarcoma is approximately 1,000 individuals in the United States annually and approximately 20,000 individuals globally. Given the smaller number of patients who have the diseases that we are targeting, it is critical to our ability to grow and become profitable that we continue to successfully identify patients with these rare diseases. Our projections of both the number of people who have these diseases, are based on our beliefs and estimates. These estimates have been derived from a variety of sources, including the scientific literature, surveys of clinics, patient foundations or market research that we conducted, and may prove to be incorrect or contain errors. New studies may change the estimated incidence or prevalence of these diseases. The number of patients may turn out to be lower than expected. The effort to identify patients with diseases we seek to treat is in early stages, and we cannot accurately predict the number of patients for whom treatment might be possible. Further, even if we obtain significant market share for OST-HER2 and any of our other current or future product candidates, because the potential target populations are very small, we may never achieve profitability despite obtaining such significant market share.
Current wording
We focus our research and product development on treatments for osteosarcoma, a rare disease. The incidence of new cases of Osteosarcoma is approximately 1,000 individuals in the United States annually and approximately 20,000 individuals globally. Given the limited number of patients with the diseases we are targeting, our ability to achieve meaningful revenue will depend on our ability to accurately identify eligible patients, successfully commercialize our product candidates, and capture a significant share of the addressable market. Our estimates of the number of patients who may be eligible for treatment with OST-HER2 or any of our other current or future product candidates are based on a variety of sources, including published literature, clinical experience, and internal analyses, and may prove to be inaccurate. Although we have completed enrollment in our Phase IIb clinical trial for OST-HER2, which enrolled a limited number of patients consistent with the rare nature of the disease, our understanding of the addressable patient population remains subject to significant uncertainty. New studies or real-world data may change the estimated incidence, prevalence, or treatable population for osteosarcoma, and the number of patients ultimately eligible for our therapies may be lower than expected. In addition, identifying, diagnosing, and referring patients with osteosarcoma, particularly in earlier stages or in certain geographic regions, can be challenging, and we may not be successful in reaching all patients who could potentially benefit from our therapies. Even if we obtain regulatory approval and achieve meaningful market penetration, the small size of the target patient population may limit our ability to generate sufficient revenue to achieve or sustain profitability.
Previous wording
Our target patient populations are relatively small, and there are currently limited standard of care treatments directed at Osteosarcoma. As a result, the pricing and reimbursement of OST-HER2 and any other product candidates we may develop, if approved, is uncertain, but must be adequate to support commercial infrastructure. If we are unable to obtain adequate levels of reimbursement, our ability to successfully market and sell OST-HER2 and any of our other current or future product candidates will be adversely affected.
Current wording
Furthermore, because there are limited standard-of-care treatments specifically directed at Osteosarcoma, the pricing and reimbursement landscape for OST-HER2 and any other product candidates we may develop is uncertain. While therapies for rare diseases may in some cases support premium pricing, there can be significant variability in reimbursement decisions by governmental authorities and third-party payors. If we are unable to obtain adequate reimbursement at levels sufficient to support our anticipated commercial infrastructure, our ability to successfully market and sell OST-HER2 and any of our other current or future product candidates would be adversely affected.
Previous wording
Although we intend to design the clinical trials for our current or future product candidates, or be involved in the design when other parties sponsor the trials, we anticipate that third parties will conduct all of our clinical trials. As a result, many important aspects of our clinical development, including their conduct, timing and response to the ongoing Covid-19 pandemic, will be outside of our direct control. Our reliance on third parties to conduct future clinical trials will also result in less direct control over the management of data developed through clinical trials than would be the case if we were relying entirely upon our own staff. Communicating with outside parties can also be challenging, potentially leading to mistakes as well as difficulties in coordinating activities.
Current wording
Although we intend to design the clinical trials for our current or future product candidates, or be involved in the design when other parties sponsor the trials, we anticipate that third parties will conduct all of our clinical trials. As a result, many important aspects of our clinical development, including their conduct and timing, will be outside of our direct control. Our reliance on third parties to conduct future clinical trials will also result in less direct control over the management of data developed through clinical trials than would be the case if we were relying entirely upon our own staff. Communicating with outside parties can also be challenging, potentially leading to mistakes as well as difficulties in coordinating activities.
Previous wording
We have entered into licensing arrangements with Advaxis, Inc. (now Ayala Pharmaceuticals, Inc.) and BlinkBio, Inc. and a Research Service Agreement with George Clinical, Inc., and may in the future form or seek strategic alliances or acquisitions, create joint ventures, or enter into additional collaboration and licensing arrangements with third parties that we believe will complement or augment our development and commercialization efforts with respect to our current product candidates and any future product candidates that we may develop.
Current wording
We are party to licensing arrangements with the Trustees of the University of Pennsylvania and BlinkBio, Inc., and may in the future form or seek strategic alliances or acquisitions, create joint ventures, or enter into additional collaboration and licensing arrangements with third parties that we believe will complement or augment our development and commercialization efforts with respect to our current product candidates and any future product candidates that we may develop.
Previous wording
Going forward, we are seeking strategic partners for the further development and potential commercialization of our non-core and out-licensed programs, including OST-tADC. Any of these relationships may require us to incur non-recurring and other charges, increase our near and long-term expenditures, issue securities that dilute our existing stockholders or disrupt our management and business.
Current wording
Going forward, we are seeking strategic partners for the further development and potential commercialization of our non-core and out-licensed programs, including OST-tADC. However, identifying appropriate partners is competitive, and the negotiation of these arrangements is complex, time-consuming, and resource-intensive. Potential partners may be unwilling to commit to such transactions on acceptable terms, or at all, particularly if they determine that our product candidates do not have sufficient clinical validation, commercial potential, or likelihood of regulatory approval. Even if we are successful in entering into such arrangements, we may not realize the anticipated benefits. Strategic transactions typically involve significant risks, including the potential for loss of control over certain development or commercialization activities, reliance on third parties to meet development, regulatory and commercialization milestones, disagreements or disputes with partners, which could delay or terminate development programs, reduced economic returns as a result of profit-sharing, milestone payments or royalties, and the diversion of management attention and internal resources.
Previous wording
As a result, we may not be able to realize the benefit of our existing collaboration and licensing arrangements or any future strategic partnerships or acquisitions, license arrangements we may enter, if we are unable to successfully integrate them with our existing operations and company culture, which could delay our timelines or otherwise adversely affect our business. We also cannot be certain that, following a strategic transaction, license, collaboration or other business development partnership, we will achieve the revenue or specific net income that justifies such transaction. Any delays in entering into new collaborations or strategic partnership agreements related to our current or future product candidates could delay the development and commercialization of our current or future product candidates in certain geographies for certain indications, which would harm our business prospects, financial condition and results of operations.
Current wording
As a result, we may not realize the anticipated benefits of our existing collaboration and licensing arrangements or any future strategic transactions, including partnerships, acquisitions, or licensing arrangements, particularly if we are unable to effectively integrate such arrangements with our existing operations and company culture. Any such failure could delay development timelines, disrupt our business, or otherwise adversely affect our results of operations. In addition, we cannot assure that any strategic transaction or collaboration will generate the expected revenues, cost savings, or other anticipated benefits that justified our entry into such arrangement. Further, delays in identifying or entering into new collaboration or strategic partnership agreements with respect to our current or future product candidates may delay or limit the development and commercialization of such product candidates, including in specific geographies or for particular indications, which could materially harm our business prospects, financial condition and results of operations.
Previous wording
If we and those third parties from whom we in-license patents are unable to obtain and maintain patent and other intellectual property protection for our technology and product candidates or if the scope of the intellectual property protection obtained is not sufficiently broad, our competitors could develop and commercialize technology and drugs similar or identical to ours, and our ability to successfully commercialize our technology and drugs may be impaired.
Current wording
If we and the third parties from whom we in-license intellectual property are unable to obtain, maintain, protect, or enforce patent and other intellectual property rights for our technology and product candidates, or if the scope of such protection is not sufficiently broad, our competitors could develop and commercialize similar or identical technologies and products, and our ability to successfully commercialize our product candidates may be impaired.
Previous wording
The patent position of biotechnology and pharmaceutical companies generally is highly uncertain, involves complex legal and factual questions and has in recent years been the subject of much litigation. Our commercial success depends in part on our ability and the ability of those third parties from whom we in-license patents to obtain and maintain intellectual property protection in the United States and other countries for our current or future product candidates, including our lead core product candidate OST-HER2, our other core product candidate OST-tADC, our non-core product candidates, our proprietary compound library and other know-how. We seek to protect our proprietary and intellectual property position by, among other methods, in-licensing patents and patent applications in the United States and abroad related to our proprietary technology, inventions and improvements that are important to the development and implementation of our business.
Current wording
The patent position of biotechnology and pharmaceutical companies is highly uncertain and involves complex legal and factual questions, and has been the subject of extensive litigation in recent years. Our commercial success depends in part on our ability, and the ability of our licensors and other partners, to obtain, maintain, protect, and enforce intellectual property rights in the United States and other jurisdictions for our current and future product candidates, including OST-HER2, OST-tADC, our non-core programs, and our proprietary technologies and know-how.
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