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Health 1 SOURCE · UNCORROBORATED ≈ULTRA-RARE DISEASE POPULATION (US) Aug 19, 2026

FDA approves Regeneron's Pasatru for treatment of FOP.

The U.S. FDA approved Regeneron's drug Pasatru (garetosmab) to treat fibrodysplasia ossificans progressiva (FOP). FOP is an ultra-rare disease that causes soft tissue to turn into bone. The approval is a delivered result, but the drug's impact on patients and its use have yet to be observed.

Why it matters

This provides patients with this debilitating genetic disease a new approved therapy, addressing a previous lack of targeted medical options.

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