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Zilurgisertib reduces HO volume in children aged 6 to 11 with FOP

Published

26 October 2026

Topic

opportunities

◆ Sectors

Biotech

◆ Geography

United States

◆ Source

Read at contemporarypediatrics.com →

◆ Verified

Fusion42 · 26 October 2026 · Fusion42 review

Zilurgisertib significantly reduces heterotopic ossification (HO) volume in children aged 6 to 11 with fibrodysplasia ossificans progressiva (FOP) after 24 weeks, with no new HO lesions observed. The drug, already FDA-approved for patients aged 12 and older, is planned for supplemental approval in younger children by mid-2027.

This Wire brief sits within Fusion42's coverage of Biotech, and 2 sources have reported it.

◆ ◆ The Wire takeaway

You now have a clear precedent for treating children with FOP early to slow disease progression before severe damage. This opens direct access to a narrow but critical market where treatment options are limited and early intervention changes outcomes.

◆ Coverage

2 sources · 26 Oct 2026

◆ Related on Wire

◆ Topics

Biotechrare-diseaseFOPpediatricsdrug-approvalphase-2-study