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What’s in Today’s Brief? (November 2nd Preview)
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Huntington’s gene therapy regulatory milestone
The FDA has set a review date and scheduled an advisory committee meeting for uniQure’s high-profile Huntington’s disease gene therapy, pushing the program toward a potential decision by May 1. The update keeps the therapy in the spotlight as the company prepares for what would be one of the sector’s most closely watched gene-therapy determinations.
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Sickle cell drug faces FDA timing and safety-structure questions
Agios’ supplemental NDA for mitapivat in sickle cell disease has hit a regulatory timing snag, with the FDA extending the PDUFA action date by three months to February 1, 2027. The agency cited a major amendment tied to whether a Risk Evaluation and Mitigation Strategy (REMS) is needed for the SCD indication.
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Cardio biotech collaboration targets ROCK2 for PAH and related disease
CinRx has teamed with Sam Waksal’s Graviton Bioscience to advance ROCK2-focused therapeutics for pulmonary arterial hypertension and other cardiovascular indications. The partnership expands Graviton’s development strategy beyond its earlier ROCK2 work associated with the chronic graft-versus-host disease medicine Rezurock.
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Gene editing regulation for individualized therapies
The FDA issued draft guidance intended to shape how sponsors pursue approvals for individualized genome editing products, including considerations for Biologics License Applications and postapproval management. The document introduces an “Individualized Feature Space” concept, defining boundaries for allowable variation in genome-edited components without requiring new clinical trials each time variation changes.
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Biologic exclusivity rollover meets biosimilar competition realities
Keytruda biosimilars are moving closer to market, with the FDA already accepting Formycon’s FYB206 and indicating a possible approval as early as the third quarter of 2027. While the regulatory path is opening, the market may still resist uptake as branded manufacturers leverage pharmacy benefit manager and other contracting dynamics—creating hurdles for rapid price competition.
...and 5 more selected Biotech stories in today’s full edition — or archive.
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