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PLUS THERAPEUTICS INC

For the period ended Sep 30, 2024. Filed Nov 14, 2024.

View on SEC.gov

About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Sep 30, 2024 · Filed Nov 14, 2024

CNSY$0.64-4.1%Stored close · as of Nov 6, 2026

What changed in Management’s Discussion and Analysis?

Read the current filing

Previous report: 10-Q

Period ended 2024-06-30; filed 2024-08-14.

0000950170-24-097091

Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations

Current report: 10-Q

Period ended 2024-09-30; filed 2024-11-14.

0000950170-24-127014

Item 2. Management’s Discussion and Analysis of Financial Condition and Results of Operations

The 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 149 previous paragraphs and 170 current paragraphs.

97 unchanged; 43 reworded; 30 added; 9 removed; 0 previous and 0 current paragraphs rearranged.

Tables are not compared: 6 previous and 6 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 (30)

Current report

On September 30, 2024, we showcased new interim ReSPECT-GBM Phase 2 Trial Data at the 2024 Congress of Neurological Surgeons Annual Meeting that included:

Current report

42 total patients have enrolled thus far at 3 sites and with 19/42 patients having been treated to date at the recommended Phase 2 dose (22.3 mCi in 8.8 mL) in tumors of approximately 20 cm 3 or less

Current report

All Phase 2 patients have recurrent, histologically confirmed glioblastoma; 1 recurrence, bevacizumab naïve, single tumor of approximately 20 cm 3 or less (small-to-medium sized tumors)

Current report

Average tumor size in Phase 2 was 7.5 mL (range 0.9-22.8 mL)

Current report

Increases in absorbed dose correlated with specific drug delivery parameters such as infused dose and volume, maximal convection flow rate, and number of catheters

Current report

Rhenium (186 Re) Obisbemeda continues to show a favorable safety profile in the 42 enrolled patients; one dose-limiting toxicity (hemiplegia) has been reported, which was observed in Cohort 8 (41.5 mCi and 16.3 mL)

Current report

In Phase 2, most adverse events (AEs) were mild (73.5%) or moderate (18.8%), and largely unrelated (37.7%), or unlikely related (27.1%) to the drug. Of the 9 severe adverse events (SAEs), only 2 were related to the study drug

Current report

Average absorbed radiation dose to the tumor in Phase 2 was 300 Gy (n=18, 1 patient still under analysis)

Current report

To date, 88.9% of Phase 2 patients met key CED drug delivery parameters shown to correlate with overall survival, achieving a tumor absorbed dose >100 Gy and radiation coverage of >70%

Current report

29/42 patients treated thus far participated in the Phase 1 dose escalation phase of the trial (Note: as per protocol, 6/42 patients were included in both the Phase 1 and Phase 2 trial arms and related analyses)

Current report

Phase 1 dose-escalation increased administered doses from 1.0 mCi to 41.5 mCi and volumes from 0.66 mL to 16.3 mL

Current report

In terms of objective tumor response based on quantitative image analysis, a statistically significant reduction in tumor volume rate change was seen in tumors receiving > 100 Gy absorbed dose (n=11 patients analyzed to date, p<0.005). Sufficient tumor coverage correlated with tumor control, while regrowth occurred outside treated areas

Current report

We anticipate completing our Phase 1 ReSPECT-GBM Trial for large sized tumors in mid-2025 and completing our Phase 2 ReSPECT-Recurrent GBM Trial in mid-2025 as well.

Current report

From August 8-10, 2024, we presented data at the 2024 Society for NeuroOncology (SNO)/American Society for Clinical Oncology (ASCO) CNS Metastases Conference. The presentation, titled, “Phase 1 Dose Escalation of Rhenium (186 Re) Obisbemeda (Rhenium Nanoliposome,186 RNL) for the Treatment of Leptomeningeal Metastases (LM): Ongoing Clinical Study Update for Initial Safety and Feasibility,” provided a safety and efficacy update on the single dose trial for the first 4 cohorts (n = 16 patients). The trial is currently enrolling in Cohort 5. The study was presented by Andrew Brenner, M.D., Ph.D., Professor and Kolitz/Zachry Endowed Chair Neuro-Oncology Research; Co-Leader, Experimental and Developmental Therapeutics Program, University of Texas Health, San Antonio.

Current report

We anticipate completing the Phase 1 single administration ReSPECT-LM trial this year and intend to present data at the Society for Neuro-Oncology conference in November 2024. We also anticipate beginning enrollment for a ReSPECT-LM Multi-Dose trial in the first quarter of 2025.

Current report

Effective September 1, 2024, we entered into an agreement with the Department of Defense (“DoD”) office of the Congressionally Directed Medical Research Programs to receive a $3.0 million fund for research and development purposes (“DoD Award”) over a three-year period. The DoD Award will be used to support the planned expansion of our clinical trial for pediatric brain cancer. We anticipate beginning enrollment for our Phase 1 ReSPECT-PBC clinical trial in the first quarter of 2025.

Current report

On November 5, 2024, we entered into a manufacturing services agreement for drug product development and manufacturing (the “SpectronRx Services Agreement”) with NukeMed, Inc. d/b/a SpectronRx (“SpectronRx”), pursuant to which SpectronRx will process development and manufacturing clinical investigational pharmaceutical products to support our clinical programs. Based on the SpectronRx Services Agreement, an initial proposal for drug product development and manufacturing under the SpectronRx Services Agreement will become effective January 2025.

Current report

Under the SpectronRx Services Agreement, we will own all rights and interest in all intellectual property, including (i) rights related to copyright, patent, trademark, or other right to ideas, inventions, products, programs, procedures, process, formats, and other materials, (ii) developed solely by us in connection with developing, formulating, manufacture, filing, processing, packaging, analyzing or testing of a (a) pharmaceutical ingredient or any intermediate thereof (“API/Drug Substance”), (b) drug product comprised of API/Drug Substance (“Drug Candidate”), or (c) intermediate(s) of (a) or (b) (together with API/Drug Substance and Drug Candidate, the “Product”), or (iii) directly related to the services rendered by SpectronRx or its subcontractors. SpectronRx will own all rights and interest in the intellectual property and owned by or licensed to SpectronRx other than in connection with Products or services covered under the SpectronRx Services Agreement (the “SpectronRx Technology”). To the extent that any portion of SpectronRx Technology is required for the purpose of using or applying the Products, SpectronRx is required to provide to us a non-exclusive, royalty-free, perpetual license for that portion of SpectronRx Technology that is required by us to use and apply the Products.

Current report

Under the SpectronRx Services Agreement, upon written notice by us to SpectronRx, at least six months in advance of our first commercial manufacturing needs for a Product, SpectronRx will be required to enter into good faith negotiations with us for a commercial supply agreement governing the manufacturing of such Product for commercial sale or use.

Current report

Unless earlier terminated, the SpectronRx Services Agreement will remain in place for a period of five years. Thereafter, the SpectronRx Services Agreement will automatically renew for successive one year terms unless either party notifies the other, not later than six months in advance of the original term or any additional renewed term, of the intention to terminate it. We may terminate the SpectronRx Services Agreement (i) for any reason on prior written notice to SpectronRx, provided that we will be required to compensate SpectronRx for certain fees and costs if such cancellation is made prior to the completion of a work order, or (ii) immediately if SpectronRx files for bankruptcy, becomes insolvent, or is suspended or debarred by the FDA or the United States government. In addition, either party may terminate the SpectronRx Services Agreement within thirty days upon any material breach that is left uncured by the other party.

Current report

Effective September 1, 2024, we entered into an agreement with the DoD office of the Congressionally Directed Medical Research Programs (CDMRP) to receive the $3.0 million DoD Award fund for research and development purposes over a three year period. The DoD Award will be used to support the planned expansion of our clinical trial for pediatric brain cancer. On October 4, 2024, we received the first payment under the DoD Award in the amount of $0.9 million.

Current report

On August 21, 2024, we entered into a Research and Collaboration Agreement with Brainlab AG ("Brainlab"), a leading software-driven med-tech company innovating in surgery and radiation therapy, to optimize the planning and convection-enhanced delivery of the Rhenium (186 Re) Obisbemeda targeted radiotherapeutic in our ReSPECT-GBM clinical trial. We and Brainlab bear our own costs and expenses incurred with the activities under the Research and Collaboration Agreement. As part of the agreement, we will provide pseudonymized data which Brainlab will utilize for data analysis, research and development purposes and Brainlab will provide imaging data analysis services and reports summarizing its finding based on the pseudonymized data in conjunction with our ReSPECT-GBM clinical trial.

Current report

On September 5, 2024, Nasdaq notified us that we had not regained compliance with Nasdaq Listing Rule 5550(b)(1) and that, as a result, unless we timely requested an appeal of this determination to a Nasdaq Hearings Panel (the “Panel”), Nasdaq would move to suspend trading of our common stock and to have our shares of common stock delisted from The Nasdaq Capital Market. We timely requested a hearing before the Panel, and the hearing was held on October 22, 2024.

Current report

On October 30, 2024, we received a decision from the Panel, notifying us that we had until March 4, 2025, to demonstrate compliance with the Minimum Stockholders’ Equity Requirement. The Panel also required that we file a public disclosure on or before March 4, 2025 and describe the transactions undertaken by us to achieve compliance and demonstrate long-term compliance with the Minimum Stockholders’ Equity Requirement. The Panel also noted that it is a requirement during the exception period that we provide prompt notification to the Panel of any significant events that occur during this time that may affect the our compliance with Nasdaq’s requirements. This includes, but is not limited to, any event that may call into question the our ability to meet the terms of the exception granted. The Panel reserved the right to reconsider the terms of its decision based on any event, condition or circumstance that exists or develops that would, in the opinion of the Panel, make continued listing of the our securities on The Nasdaq Capital Market inadvisable or unwarranted.
Removed paragraphs (9)

Previous report

On March 31, 2022, we entered into a Sales Order (the “Sales Order”) with Medidata Solutions, Inc. (“Medidata”), pursuant to which Medidata built a Synthetic Control Arm® platform that facilitates the use of historical clinical data to incorporate into our Phase 2 clinical trial of rhenium (186 Re) obisbemeda in GBM. The Sales Order had a term of six (6) months. Work under this Sales Order has been completed. As part of this collaboration, we jointly submitted with Medidata a historical clinical trials control arm methodology abstract (“HCA”) to American Society of Clinical Oncology (“ASCO”) which was accepted for publication, further strengthening this collaboration and allowing applications to advance GBM development. We plan to use the HCA for breakthrough therapy designation and Phase 2 and/or a pivotal or registrational Phase 3 trial.

Previous report

FDA Feedback Regarding BAM technologies, including 188 RNL-BAM

Previous report

See Liquidity and Capital Resources section below for details on the closing of the May 2024 Private Placement.

Previous report

On September 7, 2023, we entered into a Non-Exclusive License and Services Agreement with Biocept, Inc (“Biocept”), pursuant to which Biocept granted us a non-exclusive license to use the Biocept proprietary cell enumeration test, CNside TM (the “CNSide TM”). On October 16, 2023, Biocept filed a voluntary petition for relief under the provisions of Chapter 7 of Title 11 of the United States Bankruptcy Code.

Previous report

On April 26, 2024, we acquired from Biocept, for a total cash payment of $400,000, substantially all of the right, title and interest in the CNSide IP, including (i) intellectual property, (ii) inventory and raw materials, and (iii) data, information, results and reports pertaining to the completed and on-going clinical studies involving the use of CNSide TM (including, but not limited to, the FORSEE clinical study), related to the development, making, selling, and exporting or importing of the CNSide TM, after having its bid accepted by the United States Bankruptcy Court for the District of Delaware.

Previous report

On April 22, 2024, we provided Nasdaq with our plan to achieve and sustain compliance with the stockholders’ equity requirement and requested that Nasdaq grant an extension of time until September 4, 2024, to provide evidence of our compliance with the stockholders’ equity requirement. Nasdaq has not yet responded to our Plan, and there can be no assurance that Nasdaq will grant an extension or that we will be able to comply with the applicable listing standards of Nasdaq.
Reworded paragraphs (43)

Previous wording

Recently, we acquired the CNSide® cerebrospinal fluid cancer diagnostic portfolio from Biocept which is currently utilized in the CPRIT-funded ReSPECT-LM clinical trial. We are currently evaluating and developing our business plan for developing the CNSide diagnostic portfolio alongside our lead radiotherapeutic candidate, rhenium (186 Re) obisbemeda, and seeking partnering opportunities for the CNSide IP (as defined below). The CNSide TM (as defined below) is on track for commercial launch as soon as the fourth quarter of 2024.

Current wording

On April 26, 2024, we acquired all of the right, title and interest in a cerebrospinal fluid cancer diagnostic portfolio (“CNSide®”) from Biocept that is currently utilized in the CPRIT-funded ReSPECT-LM clinical trial. In August 2024, data from the CNSide FORESEE clinical trial in patients with leptomeningeal metastases (LM) was presented at the SNO/ASCO CNS Metastases Conference. The trial met is key primary and secondary endpoints and the data showed that CNSide® more than doubled the diagnostic sensitivity versus gold standard cerebrospinal fluid cytology and influenced clinical management decisions in over 90% of LM cases. We are currently evaluating and developing our business plan for developing the CNSide® diagnostic portfolio alongside our lead radiotherapeutic candidate, rhenium (186Re) obisbemeda, and seeking partnering opportunities for CNSide®. The CNSide® proprietary cell enumeration test (the “CNSide Test”) is on track for commercial launch as soon as the fourth quarter of 2024.

Previous wording

Our headquarters and manufacturing facilities are in Texas and are in proximity to world-class cancer institutions and researchers. Our dedicated team of engineers, physicians, scientists, and other professionals are committed to advancing our targeted radiotherapeutic technology for the benefit of cancer patients and healthcare providers worldwide and our current pipeline is focused on treating rare and difficult-to-treat cancers with significant unmet medical needs.

Current wording

We are headquartered in Austin, Texas, in proximity to world-class cancer institutions and researchers. Our dedicated team of engineers, physicians, scientists, and other professionals are committed to advancing our targeted radiotherapeutic technology for the benefit of cancer patients and healthcare providers worldwide and our current pipeline is focused on treating rare and difficult-to-treat cancers with significant unmet medical needs.

Previous wording

In addition to our headquarters in Austin, we have an established, good manufacturing practice validated research and development and manufacturing facility in San Antonio, Texas, tailored to produce Current Good Manufacturing Practice (“cGMP”) rhenium (186 Re) obisbemeda. We have built a robust supply chain through strategic partnerships that enable the development, manufacturing and future potential commercialization of our products. Our current supply chain and key partners are positioned to supply cGMP rhenium (186 Re) obisbemeda for ongoing and planned Phase 2 and Phase 3 clinical trials in patients with GBM, LM and PBC.

Current wording

In addition to our headquarters in Austin, we have an established, good manufacturing practice validated research and development and manufacturing facility in San Antonio, Texas, tailored to produce Current Good Manufacturing Practice (“cGMP”) rhenium (186 Re) obisbemeda. We recently expanded our manufacturing capabilities by entering into a services agreement for the radiotherapeutic development and production in a manufacturing facility in Indiana. We have built a robust supply chain through strategic partnerships that enable the development, manufacturing and future potential commercialization of our products. Our current supply chain and key partners are positioned to supply cGMP rhenium (186 Re) obisbemeda for ongoing and planned Phase 2 and Phase 3 clinical trials in patients with GBM, LM and PBC.

Previous wording

Recurrent GBM is the most common, complex, and aggressive primary brain cancer in adults. In the U.S., there are approximately 13,000 GBM cases diagnosed and approximately 10,000 patients succumb to the disease each year. The average length of overall survival (“OS”) for GBM patients is eight months, with a one-year survival rate of 40.8% and a five-year survival rate of only 6.8% and these estimates vary and are lower in some publications. GBM routinely presents with headaches, seizures, vision changes and other significant neurological complications, with a significant compromise in quality of life. Despite the best available medical treatments, the disease remains incurable. Even after efforts to manage the presenting signs and symptoms and completely resect the initial brain tumor, some microscopic disease almost always remains and tumor regrowth occurs within months. Approximately 90% or more of patients with primary GBM experience tumor recurrence. Complete surgical removal of GBM is usually not possible and GBM is often resistant or quickly develops resistance to most available current and investigational therapies. Even today, the treatment of GBM remains a significant challenge and it has been nearly a decade since the FDA approved a new therapy for this disease, and these more recent approvals have not improved GBM patients OS over past decades, and a significant unmet medical need persists.

Current wording

GBM affects approximately 15,000 patients annually in the U.S. and is the most common and lethal form of brain cancer. The average life expectancy with GBM is less than 24 months, with a one-year survival rate of 40% and a five-year survival rate of around 5%. There is no clear standard of care for recurrent GBM and the few currently approved treatments provide only marginal survival benefit and are associated with significant side effects, which limit dosing and prolonged use. Approximately 90% of patients experience GBM tumor recurrence at or near the original tumor location, yet there are no FDA-approved treatments in the recurrent or progressive setting that can significantly extend a patient’s life. GBM routinely presents with headaches, seizures, vision changes and other significant neurological complications, with a significant compromise in quality of life. Despite the best available medical treatments, the disease remains incurable. Even after efforts to manage the presenting signs and symptoms and completely resect the initial brain tumor, some microscopic disease almost always remains and tumor regrowth occurs within months. Complete surgical removal of GBM is usually not possible and GBM is often resistant or quickly develops resistance to most available current and investigational therapies. Even today, the treatment of GBM remains a significant challenge and it has been nearly a decade since the FDA approved a new therapy for this disease, and these more recent approvals have not improved GBM patients OS over past decades, and a significant unmet medical need persists.

Previous wording

On January 18, 2023, we announced that the first patient was dosed in the ReSPECT-GBM Phase 2b dose expansion clinical trial evaluating rhenium obisbemeda for the treatment of recurrent GBM. The Phase 2b trial is expected to enroll up to 34 total patients with small- to medium-sized tumors and is targeted for full enrollment by the end of 2024. We currently have three clinical sites, with the plan to add additional sites to support the trial, and expect an initial data read-out by the end of 2024.

Current wording

On January 18, 2023, we announced that the first patient was dosed in the ReSPECT-GBM Phase 2b dose expansion clinical trial evaluating rhenium obisbemeda for the treatment of recurrent GBM. The Phase 2b trial is expected to enroll up to 34 total patients with small- to medium-sized tumors and is targeted for full enrollment by the end of 2024. We currently have five clinical sites, and expect an initial data read-out by the end of 2024.

Previous wording

The ReSPECT-LM is a multi-center, sequential cohort, open-label, dose escalation study evaluating the safety, tolerability, and efficacy of a single-dose application of rhenium (186 Re) obisbemeda administered through intrathecal infusion to the ventricle of patients with LM after standard surgical, radiation, and/or chemotherapy treatment. The primary endpoint of the study is the incidence and severity of adverse events and dose limiting toxicities, together with determining the maximum tolerated and recommended Phase 2 dose. Full enrollment in the Phase 1 trial is expected by the end of 2024, with the plan to add additional clinical sites to support the trial.

Current wording

ReSPECT-LM is a multi-center, sequential cohort, open-label, dose escalation study evaluating the safety, tolerability, and efficacy of a single-dose application of rhenium (186 Re) obisbemeda administered through intrathecal infusion to the ventricle of patients with LM after standard surgical, radiation, and/or chemotherapy treatment. The primary endpoint of the study is the incidence and severity of adverse events and dose limiting toxicities, together with determining the maximum tolerated and recommended Phase 2 dose. Full enrollment in the Phase 1 trial is expected by the end of 2024, with the plan to add additional clinical sites to support the trial.

Previous wording

On September 19, 2022, we entered into a Cancer Research Grant Contract (the “CPRIT Contract”), effective as of August 31, 2022, with Cancer Prevention and Research Institute of Texas (“CPRIT”), pursuant to which CPRIT will provide us a grant of up to $17.6 million (the “CPRIT Grant”) over a three-year period to fund the continued development of rhenium (186 Re) obisbemeda for the treatment of patients with LM through Phase 2 of the ReSPECT LM clinical trial. The CPRIT Grant is subject to customary CPRIT funding conditions, including, but not limited to, a matching fund requirement (one dollar from us for every two dollars awarded by CPRIT), revenue sharing obligations upon commercialization of rhenium (186 Re) obisbemeda based on specific dollar thresholds until CPRIT receives the aggregate amount of 400% of the proceeds awarded under the CPRIT Grant, and certain reporting requirements. To date, we have received approximately $7 million in milestone payments under the CPRIT Contract. We anticipate a continuing flow of milestone payments that throughout 2024 will include $6.9 million upon the continued progression of the Phase 2 of the ReSPECT LM clinical trial.

Current wording

On September 19, 2022, we entered into a Cancer Research Grant Contract (the “CPRIT Contract”), effective as of August 31, 2022, with Cancer Prevention and Research Institute of Texas (“CPRIT”), pursuant to which CPRIT will provide us a grant of up to $17.6 million (the “CPRIT Grant”) over a three-year period to fund the continued development of rhenium (186 Re) obisbemeda for the treatment of patients with LM through Phase 2 of the ReSPECT LM clinical trial. The CPRIT Grant is subject to customary CPRIT funding conditions, including, but not limited to, a matching fund requirement (one dollar from us for every two dollars awarded by CPRIT), revenue sharing obligations upon commercialization of rhenium (186 Re) obisbemeda based on specific dollar thresholds until CPRIT receives the aggregate amount of 400% of the proceeds awarded under the CPRIT Grant, and certain reporting requirements. To date, we have received approximately $10.7 million in milestone payments under the CPRIT Contract.

Previous wording

A total of 25 patients have received a single-dose of rhenium (186 Re) obisbemeda in the ReSPECT-LM trial as of July 29, 2024. There have been no dose limiting toxicities observed to date with administered radiation doses up to 66.14 millicuries in Cohort 5, a ten-fold increase over Cohort 1. We plan to initiate dosing in Cohort 6 in the second quarter of 2024, pending Data Safety Monitoring Board (DSMB) approval. In addition, five new clinical trial sites were added to this trial over the last year, bringing the total number of sites to seven. We are planning a new multiple dosing ReSPECT-LM clinical trial in late 2024 or early 2025.

Current wording

A total of 26 patients have received a single-dose of rhenium (186 Re) obisbemeda in the ReSPECT-LM trial as of October 9, 2024. There have been no dose limiting toxicities observed to date with administered radiation doses up to 66.14 millicuries in Cohort 5, a ten-fold increase over Cohort 1. In addition, five new clinical trial sites were added to this trial over the last year, bringing the total number of sites to seven.

Previous wording

Given the initial FDA feedback, receipt of adult GBM data and experience with rhenium (186 Re) obisbemeda and follow-up communications with the FDA, we plan to submit a pediatric brain tumor IND to investigate the use of rhenium (186 Re) obisbemeda in two pediatric brain cancers, high-grade glioma and ependymoma, by the third quarter of 2024.

Current wording

Given the initial FDA feedback, receipt of adult GBM data and experience with rhenium (186 Re) obisbemeda and follow-up communications with the FDA, we plan to submit a pediatric brain tumor IND for our ReSPECT-PBC clinical trial to investigate the use of rhenium (186 Re) obisbemeda in two pediatric brain cancers, high-grade glioma and ependymoma, in the of fourth quarter of 2024.

Previous wording

On July 26, 2023, the FDA responded to a Pre-IND submission that the 188 RNL-BAM product under development would likely be subject to regulation as a medical device under theFederal Food, Drug, and Cosmetic Act (the “FDCA”), rather than as a drug product.

Current wording

On July 26, 2023, the FDA responded to a Pre-IND submission that the 188 RNL-BAM product under development would likely be subject to regulation as a medical device under the Federal Food, Drug, and Cosmetic Act (the “FDCA”), rather than as a drug product.

Previous wording

We recognized $1.3 million and $1.9 million, and $3.0 million and $2.4 million of grant revenue during the three and six months ended June 30, 2024 and 2023, respectively, which represents CPRIT’s share of the costs incurred for our rhenium (186 Re) obisbemeda development for the treatment of patients with LM.

Current wording

We recognized $1.5 million and $1.3 million, and $4.4 million and $3.6 million of grant revenue during the three and nine months ended September 30, 2024 and 2023, respectively, which represents CPRIT’s share of the costs incurred for our rhenium (186 Re) obisbemeda development for the treatment of patients with LM.

Previous wording

The following table summarizes the components of our research and development expenses for the three and six months ended June 30, 2024 and 2023 (in thousands):

Current wording

The following table summarizes the components of our research and development expenses for the three and nine months ended September 30, 2024 and 2023 (in thousands):

Previous wording

Research and development expenses increased by approximately $1.4 million during the three months ended June 30, 2024 as compared to the same period in 2023. The increase was due primarily to an increase of $0.5 million of licenses fee to NanoTx, an increase of $0.3 million in compensation expenses, an increase of approximately $0.4 million of professional research and development service fees, and an increase of $0.3 million in development expenses, offset by a reduction of $0.1 million in clinical expenses.

Current wording

Research and development expenses increased by approximately $0.4 million during the three months ended September 30, 2024 as compared to the same period in 2023. The increase was due primarily to an increase of $0.2 million in compensation expenses, an increase of approximately $0.6 million of professional research and development service fees, and an increase of $0.2 million in depreciation and other expenses, offset by a reduction of $0.6 million in clinical expenses.

Previous wording

Research and development expenses increased by approximately $1.1 million during the six months ended June 30, 2024 as compared to the same period in 2023. The increase was due primarily to an increase of $0.5 million increases in professional services, an increase of $0.3 million in compensation expenses, a $0.2 million increase in clinical expenses, and an increase of $0.1 million in other research and development expenses.

Current wording

Research and development expenses increased by approximately $1.5 million during the nine months ended September 30, 2024 as compared to the same period in 2023. The increase was due primarily to an increase of $1.1 million increases in professional services, an increase of $0.5 million in compensation expenses, an increase of $0.2 million for depreciation and legal expenses, offset by a reduction of $0.4 million in clinical expenses.

Previous wording

General and administrative expenses include costs for administrative personnel, legal and other professional expenses, and general corporate expenses. The following table summarizes the general and administrative expenses for the three and six months ended June 30, 2024 and 2023 (in thousands):

Current wording

General and administrative expenses include costs for administrative personnel, legal and other professional expenses, and general corporate expenses. The following table summarizes the general and administrative expenses for the three and nine months ended September 30, 2024 and 2023 (in thousands):

Previous wording

General and administrative expenses increased by approximately $0.3 million during the three months ended June 30, 2024, as compared to the same period in 2023, primarily due to an increase of legal and professional expenses of $0.2 million and an increase of $0.1 million in compensation expenses.

Current wording

General and administrative expenses increased by approximately $0.4 million during the three months ended September 30, 2024, as compared to the same period in 2023, primarily due to an increase of legal and professional expenses of $0.3 million and an increase of $0.1 million in compensation expenses.

Previous wording

General and administrative expenses increased by approximately $0.2 million during the six months ended June 30, 2024, as compared to the same period in 2023, primarily due to an increase of legal and professional expenses of $0.1 million and an increase of $0.1 million in compensation expenses.

Current wording

General and administrative expenses increased by approximately $0.6 million during the nine months ended September 30, 2024, as compared to the same period in 2023, primarily due to an increase of legal and professional expenses of $0.6 million and an increase of $0.1 million in compensation expenses, offset by a reduction of $0.1 million in insurance and travel expenses.

Previous wording

The following table summarizes the components of our stock-based compensation expenses for the three and six months ended June 30, 2024 and 2023 (in thousands):

Current wording

The following table summarizes the components of our stock-based compensation expenses for the three and nine months ended September 30, 2024 and 2023 (in thousands):

Previous wording

Our share-based compensation expenses, which are impacted by grants of share-based options, vesting schedule of such grants, as well as grant-date fair value of share-based awards, remained consistent for the three and six months ended June 30, 2024 and 2023.

Current wording

Our share-based compensation expenses, which are impacted by grants of share-based options, vesting schedule of such grants, as well as grant-date fair value of share-based awards, remained consistent for the three and nine months ended September 30, 2024 and 2023.

Previous wording

The following table summarizes other income (expense) for the three and six months ended June 30, 2024 and 2023 (in thousands):

Current wording

The following table summarizes other income (expense) for the three and nine months ended September 30, 2024 and 2023 (in thousands):

Previous wording

The decrease in interest expense for the three and six months ended June 30, 2024 as compared to the same periods in 2023 was primarily due to the repayment of debt principal of $1.6 million during the year ended December 31, 2023 and $4.0 during the six months ended June 30, 2024. Interest income decreased for the three and six months ended June 30, 2024 compared with the same periods in 2023 primarily due to a lower average cash and investment balances in year to date 2024 offset by a higher interest rate environment and accreted income on our available-for-sale securities.

Current wording

The decrease in interest expense for the three and nine months ended September 30, 2024 as compared to the same periods in 2023 was primarily due to the repayment of debt principal of $1.6 million during the year ended December 31, 2023 and $4.0 million during the nine months ended September 30, 2024, offset by interest expenses on our line of credit facility. Interest income decreased for the three and nine months ended September 30, 2024 compared with the same periods in 2023 primarily due to a lower average cash and investment balances in year to date 2024 offset by a higher interest rate environment and accreted income on our available-for-sale securities.

Previous wording

We recognized approximately $3.5 million in financing expense in the condensed consolidated statement of operations during the three and six months ended June 30, 2024, which represents the excess of the fair value of the Series A Warrants and Series B Warrants at issuance over the proceeds. During the three and six months ended June 30, 2024, we recognized a fair value gain on warrant liability of $4.7 million.

Current wording

We recognized approximately $3.5 million in financing expense in the condensed consolidated statement of operations during the three and nine months ended September 30, 2024, which represents the excess of the fair value of the Series A Warrants and Series B Warrants at issuance over the proceeds. During the three and nine months ended September 30, 2024, we recognized a net fair value gain on warrant liability of $1.0 million and $5.7 million, respectively. The Series A and Series B Warrants were amended during the three months ended September 30, 2024, resulting the warrants being reclassified from liability to equity of the balance sheet, and no longer required to be recorded at fair value at each period end with change in the fair value recorded in the statement of operations.

Previous wording

In addition, total offering expenses related to the May 2024 Private Placement of $0.4 million were recorded as a component of other expenses as the entire proceeds were allocated to the warrant liability, which can be settled with either the Company’s common stock or Pre-Funded Warrants, which are exercisable into common stock at any time at the holders’ option, but not in cash payment to the holders.

Current wording

In addition, total offering expenses related to the May 2024 Private Placement of $0.4 million were recorded as a component of other expenses as the entire proceeds were allocated to the warrant liability, which could have been be settled with either the Company’s common stock or Pre-Funded Warrants, that are exercisable into shares of common stock at any time at the holders’ option, but not in cash payment to the holders.

Previous wording

We incurred net losses of $6.2 million for the six months ended June 30, 2024. We have an accumulated deficit of $486.7 million as of June 30, 2024. Additionally, we used net cash of $5.7 million to fund our operating activities for the six months ended June 30, 2024. These factors raise substantial doubt about our ability to continue as a going concern.

Current wording

We incurred net losses of $9.1 million for the nine months ended September 30, 2024. We have an accumulated deficit of $489.6 million as of September 30, 2024. Additionally, we used net cash of $9.3 million to fund our operating activities for the nine months ended September 30, 2024. These factors raise substantial doubt about our ability to continue as a going concern.

Previous wording

In May 2024, we entered into a securities purchase agreement, which was subsequently amended, with certain investors, including certain of the Company’s directors and executive officers (the “Purchasers”), whereby we issued and sold in a private placement (the “May 2024 Private Placement”): (i) 3,591,532 shares of common stock (“Private Placement Share”), or, at the election of each Purchaser, pre-funded warrants (the “Pre-Funded Warrants”) exercisable immediately to purchase shares of common stock. Each Private Placement Share or Pre-Funded Warrant are accompanied by (i) a Series A common warrant (“Series A Warrants”) to purchase one share of common stock, for an aggregate of 3,591,532 Series A Warrants, and (ii) one Series B common warrant (“Series B Warrants”, and together with the Pre-Funded Warrants and Series A Warrants, the “Warrants”) to purchase one share of common stock, for an aggregate of 3,591,532 Series B Warrants. At the closing of the May 2024 Private Placement, we received aggregate upfront gross proceeds of approximately $7.3 million, before deducting fees and other expenses associated with the closing of the May 2024 Private Placement. If the Warrants are exercised in full we will receive additional gross proceeds of approximately $12.0 million. None of the Warrants issued in the May 2024 Private Placement have been exercised as of the filing of this quarterly report on Form 10-Q. See Note 12 to the unaudited condensed consolidated financial statements, Stockholders' Deficit - May 2024 Private Placement, for further information regarding the May 2024 Private Placement.

Current wording

In May 2024, we entered into a securities purchase agreement, which was subsequently amended, with certain investors, including certain of the Company’s directors and executive officers (the “Purchasers”), whereby we issued and sold in a private placement (the “May 2024 Private Placement”): (i) 3,591,532 shares of common stock (“Private Placement Share”), or, at the election of each Purchaser, pre-funded warrants (the “Pre-Funded Warrants”) exercisable immediately to purchase shares of common stock. Each Private Placement Share or Pre-Funded Warrant are accompanied by (i) a Series A common warrant (“Series A Warrants”) to purchase one share of common stock, for an aggregate of 3,591,532 Series A Warrants, and (ii) one Series B common warrant (“Series B Warrants”, and together with the Pre-Funded Warrants and Series A Warrants, the “Warrants”) to purchase one share of common stock, for an aggregate of 3,591,532 Series B Warrants. At the closing of the May 2024 Private Placement, we received aggregate up-front gross proceeds of approximately $7.3 million, before deducting fees and other expenses associated with the closing of the May 2024 Private Placement. If the Warrants are exercised in full we will receive additional gross proceeds of approximately $12.0 million. None of the Series A and Series B Warrants issued in connection with the May 2024 Private Placement have been exercised as of the filing of this quarterly report on Form 10-Q. See Note 12, Stockholders’ Deficit - May 2024 Private Placement, of our unaudited condensed consolidated financial statements for further details.

Previous wording

On September 19, 2022, we entered into the CPRIT Contract, pursuant to which CPRIT will provide us with the CPRIT Grant of $17.6 million subject to the terms of the CPRIT Contract, to fund approximately two-thirds of the continued development of rhenium (186 Re) obisbemeda for the treatment of patients with LM. We received $10.4 million of the available funding under the CPRIT Grant during 2022, 2023 and the six months ended June 30, 2024, of which we recognized $3.0 million, $4.9 million and $0.2 million of grant revenue during the six months ended June 30, 2024, and the years ended December 31, 2023 and 2022, respectively. The amounts recognized represents CPRIT’s share of the costs incurred for our rhenium (186 Re) obisbemeda development for the treatment of patients with LM. As of June 30, 2024, we had $2.3 million of deferred revenue related to the CPRIT Grant.

Current wording

On September 19, 2022, we entered into the CPRIT Contract, pursuant to which CPRIT will provide us with the CPRIT Grant of $17.6 million subject to the terms of the CPRIT Contract, to fund approximately two-thirds of the continued development of rhenium (186 Re) obisbemeda for the treatment of patients with LM. We received $10.4 million of the available funding under the CPRIT Grant during 2022, 2023 and the nine months ended September 30, 2024, of which we recognized $4.4 million, $4.9 million and $0.2 million of grant revenue during the nine months ended September 30, 2024, and the years ended December 31, 2023 and 2022, respectively. The amounts recognized represents CPRIT’s share of the costs incurred for our rhenium (186 Re) obisbemeda development for the treatment of patients with LM. As of September 30, 2024, we had $0.8 million of deferred revenue related to the CPRIT Grant.

Previous wording

On April 22, 2024, we were selected by the Department of Defense (“DoD”) office of the Congressionally Directed Medical Research Programs (CDMRP) to receive a $3 million fund for research and development purposes (“DoD Award”). Transfers of funds under the DoD Award are expected to commence in the third quarter of 2024, pending execution of formal agreements, in order to support the planned expansion of our clinical trial for pediatric brain cancer.

Current wording

Effective September 1, 2024, we entered into an agreement with the DoD office of the Congressionally Directed Medical Research Programs (CDMRP) to receive a $3.0 million fund for research and development purposes over a three year period. The DoD Award will be used to support the planned expansion of our clinical trial for pediatric brain cancer. On October 4, 2024, we received the first payment under the DoD Award in the amount of $0.9 million.

Previous wording

On August 17, 2022, a registration statement (the “First Registration Statement”) was declared effective covering the resale of up to 633,333 shares of our common stock comprised of (i) the 32,846 initial commitment shares, and (ii) up to 600,486 shares that we have reserved for issuance and sale to Lincoln Park under the 2022 Purchase Agreement. An additional commitment fee equal to 2.5% of the remainder of the $50 million will be paid if and when we sell over $25.0 million of our common stock under the 2022 Purchase Agreement. The additional commitment fee may be paid in cash, common stock, or a combination thereof. We sold approximately 527,166 shares under the First Registration Statement.

Current wording

On August 17, 2022, a registration statement (the “First Registration Statement”) was declared effective covering the resale of up to 633,333 shares of our common stock comprised of (i) the 32,846 initial commitment shares, and (ii) up to 600,486 shares that we have reserved for issuance and sale to Lincoln Park under the 2022 Purchase Agreement. We issued and sold 527,166 shares of common stock to Lincoln Park in connection with the First Registration Statement. An An additional commitment fee equal to 2.5% of the remainder of the $50 million will be paid if and when we sell over $25.0 million of our common stock under the 2022 Purchase Agreement. The additional commitment fee may be paid in cash, common stock, or a combination thereof. We sold approximately 527,166 shares under the First Registration Statement.

Previous wording

On August 18, 2023, a second registration statement (the “Second Registration Statement”) was declared effective covering the resale of up to an additional 1,500,000 shares of our common stock that we reserved for issuance and sale to Lincoln Park under the 2022 Purchase Agreement from time to time. We sold 150,000 shares under the Second Registration Statement. We cannot sell more shares than registered under the Second Registration Statement under the 2022 Purchase Agreement without registering additional shares.

Current wording

On August 18, 2023, a second registration statement (the “Second Registration Statement”) was declared effective covering the resale of up to an additional 1,500,000 shares of our common stock that we reserved for issuance and sale to Lincoln Park under the 2022 Purchase Agreement from time to time. We issued and sold 150,000 shares of common stock to Lincoln Park in connection with the Second Registration Statement. We cannot sell more shares than registered under the Second Registration Statement under the 2022 Purchase Agreement without registering additional shares.

Previous wording

During the period from August 17, 2022 to December 31, 2022, we issued 266,666 shares under the 2022 Purchase Agreement for net proceeds of approximately $3.2 million. We issued 410,500 shares under the 2022 Purchase Agreement for net proceeds of approximately $1.0 million from January 1, 2023 to December 31, 2023. No shares of common stock were purchased under the 2022 Purchase Agreement during the six months ended June 30, 2024.

Current wording

During the period from August 17, 2022 to December 31, 2022, we issued 266,666 shares under the 2022 Purchase Agreement for net proceeds of approximately $3.2 million. We issued 410,500 shares under the 2022 Purchase Agreement for net proceeds of approximately $1.0 million from January 1, 2023 to December 31, 2023. No shares of common stock were purchased under the 2022 Purchase Agreement during the nine months ended September 30, 2024.

Previous wording

On March 8, 2024, we received a letter (the “Notice”) from the Listing Qualifications staff of Nasdaq Capital Market (“Nasdaq”), notifying us that we no longer complied with the requirement under Nasdaq Listing Rule 5550(b)(1) to maintain a minimum of $2.5 million in stockholders’ equity for continued listing on Nasdaq or the alternative requirements of having a market value of listed securities of $35 million or net income from continuing operations of $500,000 in the most recently completed fiscal year or two of the last three most recently completed fiscal years (the “Alternative Standards”). The Notice stated that, as of March 8, 2024, we did not meet the Alternative Standards.

Current wording

On March 8, 2024, we received a written notice from the Listing Qualifications staff of The Nasdaq Stock Market LLC (“Nasdaq”), notifying us that we no longer complied with the requirement under Nasdaq Listing Rule 5550(b)(1) to maintain a minimum of $2.5 million in stockholders’ equity (the “Minimum Stockholders’ Equity Requirement”) for continued listing on The Nasdaq Capital Market or the alternative requirements of having a market value of listed securities of $35 million or net income from continuing operations of $500,000 in the most recently completed fiscal year or two of the last three most recently completed fiscal years (the “Alternative Standards”).

Previous wording

To date, our operating losses have been funded primarily from outside sources of invested capital from issuance of our common and preferred stocks, proceeds from the now-repaid in full term loan with Oxford Finance, LLC (“Oxford”), the Pershing Credit Facility and grant funding. However, the Company has had, and will continue to have, an ongoing need to raise additional cash from outside sources through a combination of equity offerings, debt financings and potential collaboration, license or development agreements to fund our future clinical development programs and other operations in the next twelve months from the filing of this quarterly report on Form 10-Q. Debt financing and preferred equity financing, if available, may involve agreements that include covenants limiting or restricting our ability to take specific actions, such as incurring additional debt, making capital expenditures, or declaring dividends. There can be no assurance that we will be able to continue to raise additional capital in the future. Our inability to raise additional cash would have a material adverse impact on our operations, implementation of our strategy and ability to maintain compliance with

Current wording

To date, our operating losses have been funded primarily from outside sources of invested capital from issuance of shares of our common and preferred stocks, proceeds from the now-repaid in full term loan with Oxford Finance, LLC (“Oxford”), the Pershing Credit Facility and grant funding. However, the Company has had, and will continue to have, an ongoing need to raise additional cash from outside sources through a combination of equity offerings, debt financings and potential collaboration, license or development agreements to fund our future clinical development programs and other operations in the next twelve months from the filing of this quarterly report on Form 10-Q. Debt financing and preferred equity financing, if available, may involve agreements that include covenants limiting or restricting our ability to take specific actions, such as incurring additional debt, making capital expenditures, or declaring dividends. There can be no assurance that we will be able to continue to raise additional capital in the future. Our inability to raise additional cash would have a material adverse impact on our operations, implementation of our strategy and ability to maintain compliance with

Previous wording

the development and utility of the CNSide leptomeningeal metastases diagnostic test;

Previous wording

Cash (used in) provided by operating, investing, and financing activities for the six months ended June 30, 2024 and 2023 is summarized as follows (in thousands):

Current wording

Cash (used in) provided by operating, investing, and financing activities for the nine months ended September 30, 2024 and 2023 is summarized as follows (in thousands):

Previous wording

Under our Pershing Credit Facility, we have ongoing principal and interest payment obligations (see Note 6 of the condensed consolidated financial statements). In addition, we are obligated to make operating lease payments for our office and laboratory space, and we may be required to make payments under certain of our other contractual agreements.

Current wording

Under our Pershing Credit Facility, we have ongoing principal and interest payment obligations (see Note 6, Line of Credit Facility, of the condensed consolidated financial statements for further details). In addition, we are obligated to make operating lease payments for our office and laboratory space, and we may be required to make payments under certain of our other contractual agreements.

Previous wording

Net cash used in operating activities for the six months ended June 30, 2024 was $5.7 million compared to $8.6 million in the same period of 2023. Our operational cash use decreased $2.9 million during the six months ended June 30, 2024 as compared to the same period in 2023, due primarily to increased reimbursement under the CPRIT grant agreement for research and development costs related to the ReSPECT-LM program.

Current wording

Net cash used in operating activities for the nine months ended September 30, 2024 was $9.3 million compared to $11.0 million in the same period of 2023. Our operational cash use decreased $1.6 million during the nine months ended September 30, 2024 as compared to the same period in 2023, due primarily to increased reimbursement under the CPRIT grant agreement for research and development costs related to the ReSPECT-LM program.

Previous wording

Net cash used in investing activities for the six months ended June 30, 2024 was related to purchase of Biocept assets of $0.5 million, short-term investments of $3.5 million and purchases of fixed assets of $0.1 million. Net cash used in investing activities for the six months ended June 30, 2023 was related to purchases of fixed assets of $0.1 million.

Current wording

Net cash used in investing activities for the nine months ended September 30, 2024 was related to purchase of Biocept assets of $0.5 million, purchase of short-term investments of $7.1 million. redemption of short-term investments of $3.7 million, and purchases of fixed assets of $0.1 million. Net cash used in investing activities for the nine months ended September 30, 2023 was related to purchases of fixed assets of $0.1 million.

Previous wording

Net cash provided by financing activities for the six months ended June 30, 2024 was related to net proceeds of $7.3 million raised by the May 2024 Private Placement, and drawdown of $3.3 million from the Pershing Credit Facility, offset by repurchase of treasury stock for approximately $0.4 million and repayment of principle balance under the Oxford loan of $4.0 million.

Current wording

Net cash provided by financing activities for the nine months ended September 30, 2024 was related to net proceeds of $7.3 million raised by the May 2024 Private Placement, and drawdown of $3.3 million from the Pershing Credit Facility, offset by repurchase of treasury stock for approximately $0.4 million and repayment of principle balance under the Oxford loan of $4.0 million.

Previous wording

Net cash provided by financing activities for the six months ended June 30, 2023 was primarily related to sales of common stock of $2.3 million, net of offering cost, from that certain Equity Distribution Agreement with Canaccord Genuity LLC and the 2022 Purchase Agreement.

Current wording

Net cash provided by financing activities for the nine months ended September 30, 2023 was primarily related to the net proceeds from sales of shares of common stock of $5.2 million through the September 2022 Distribution Agreement with Canaccord and the 2022 Purchase Agreement, offset by $1.2 million of principal repayment under our Term Loan.

Previous wording

We believe it is important for you to understand our most critical accounting policies. Our critical accounting policies and estimates are discussed in our Annual Report on Form 10-K for the fiscal year ended December 31, 2023 and there have been no material changes during the six months ended June 30, 2024 except as described below.

Current wording

We believe it is important for you to understand our most critical accounting policies. Our critical accounting policies and estimates are discussed in our Annual Report on Form 10-K for the fiscal year ended December 31, 2023 and there have been no material changes during the nine months ended September 30, 2024 except as described below.

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