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Mirum Pharmaceuticals Announces Positive Results from Cohort 2 of the Pivotal ...
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Fusion42 · 26 October 2026 · Fusion42 review
Mirum Pharmaceuticals announced positive results from Cohort 2 of the PROGRESS study where their drug ATEBRIOZ (zilurgisertib) reduced heterotopic ossification lesion volume and improved joint mobility in pediatric patients aged 6 to under 12 years with fibrodysplasia ossificans progressiva (FOP), with plans to submit for FDA approval to expand the indication to this younger age group in H1 2027.
This Wire brief sits within Fusion42's coverage of Biotech.
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You can now target a younger FOP patient group as FDA approval expansion is imminent; start engaging paediatric specialists and health systems to build early access pathways.
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1 source · 26 Oct 2026
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