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Foghorn Therapeutics Inc.

For the period ended Apr 28, 2025. Filed Apr 28, 2025.

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A notice of a major event between regular reports, such as results, a deal or a change of executives. It is often the first formal record of the news.

Apr 28, 2025 · Filed Apr 28, 2025

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FHTX$1.87-1.8%Stored close · as of Nov 6, 2026
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EX-99.3 · Selective CBP Degrader Program

Selective CBP Degrader Program

Poster Presentation Title: Establishing Rational Combination Strategies with Selective CBP Degraders in Solid Tumor Indications

Selective CBP degraders have combinatorial benefit with approved chemotherapies and targeted agents in solid tumors beyond EP300-mutant cancers. CBP and EP300 are highly similar acetyltransferases that share a bi-directional synthetic lethal relationship but are challenging to drug independently, and dual inhibition is associated with dose-limiting toxicities. Previously, we showed our selective CBP degraders have potent antiproliferative activity in EP300-mutant cancers.

Synergistic combination activity demonstrated, including with paclitaxel and CDK4/6 inhibitor abemaciclib in ER+ breast cancer

Findings support combination opportunities for selective CBP degraders in solid tumors beyond EP300-mutant cancers

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