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Cogent Biosciences Announces Submission of New Drug Application (NDA) for Bezuclastinib in Advanced Systemic Mastocytosis (AdvSM)

$COGTPress releaseJun 30, 2026, 8:00 AM ETRead the release

Cogent Biosciences submitted a New Drug Application (NDA) to the FDA for bezuclastinib in Advanced Systemic Mastocytosis (AdvSM), supported by positive data from the pivotal APEX trial. The trial data showed an 81% objective response rate per PPR criteria and 65% per mIWG criteria, with durable 12-month PFS and OS rates of 79% and 87% respectively.

Key figures

Orr ppr
81%
Orr miwg
65%
Os 12 month rate
87%
Pfs 12 month rate
79%
Advsm patients treated
81
Kit d816v vaf reduction ge50
91%
Serum tryptase reduction ge50
89%
Bone marrow mast cell reduction ge50
89%

AI analysis

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AI-generated analysis of a public disclosure. Not investment advice; verify against the original document.

    COGT: Cogent Biosciences Announces Submission of New Drug Application (NDA) for Bezuclastinib in Advanced Systemic Mastocytosis (AdvSM) — AI Analysis | Signal8