Garetosmab reduces lesion formation, volume in patients with rare bone disease

CHICAGO — Garetosmab reduced new heterotopic bone lesions in patients with fibrodysplasia ossificans progressiva at 56 weeks compared with placebo, according to results of the OPTIMA trial presented at ENDO 2026. “[Fibrodysplasia ossificans progressiva] is an ultrarare disorder that affects about one in 1 million of the population,” Richard Keen, MD, PhD, director of the Centre

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