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New treatment offers hope for adults living with fibrodysplasia ossificans progressiva

The FDA has approved garetosmab, a monoclonal antibody designed to limit abnormal bone growth and flare-ups in individuals with fibrodysplasia ossificans progressiva.

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Source/event date: 19 Aug 2026

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The U.S. Food and Drug Administration has authorized garetosmab, marketed under the name Pasatru, for adults diagnosed with fibrodysplasia ossificans progressiva. This rare genetic disorder causes progressive bone growth in soft tissues, leading to significant mobility challenges. The newly approved therapy targets activin A, a protein involved in the abnormal bone formation process, potentially reducing the formation of new lesions and the frequency of disease flare-ups. For individuals managing this condition, this development represents a meaningful advancement in treatment options, offering a targeted approach to managing symptoms and improving quality of life. The approval follows clinical evaluations demonstrating its potential to address key aspects of the disorder, providing a path forward for those affected by FOP in the United States. While the condition remains complex, this step reflects ongoing efforts to refine care and support for patients navigating its challenges. The decision underscores the importance of continued research and innovation in addressing rare diseases with unmet medical needs.

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  1. 1MedPage TodayTier BFDA Approves Activin Signaling Inhibitor for Bone Disordermedpagetoday.com
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