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Oral Infigratinib Shows Meaningful Benefits Beyond Growth Within 52 Weeks in Children with Achondroplasia in the Phase 3 PROPEL 3 Trial

$BBIOPress releaseSep 9, 2026, 4:00 AM ETRead the release

BridgeBio presented new exploratory analyses from the Phase 3 PROPEL 3 trial of oral infigratinib in children with achondroplasia. The data show favorable trends in sleep apnea measures and a 38% reduction in ear infection rates compared to placebo. The company submitted an NDA to the FDA and anticipates a U.S.

Key figures

Drug Name
oral infigratinib
Phase Of Trial
Phase 3
Ahv improvement
+2.10 cm/year
Bmi change placebo
0.93 kg/m(2)
Height z score year3
+0.92 SD
Bmi change infigratinib
0.50 kg/m(2)
Upper to lower ratio year3
-0.15
Otitis media rate reduction
38%
Body fat mass change placebo
1.12 kg
Sleep apnea increase placebo
49.2%
Lean body mass change placebo
1.58 kg
Body fat mass change infigratinib
0.95 kg
Sleep apnea increase infigratinib
10.4%
Lean body mass change infigratinib
1.77 kg
Otitis media rate reduction under8
47%
Visceral fat volume change placebo
18.42 mL
Sleep apnea increase placebo under8
63.2%
Visceral fat volume change infigratinib
1.55 mL

AI analysis

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AI-generated analysis of a public disclosure. Not investment advice; verify against the original document.

    BBIO: Oral Infigratinib Shows Meaningful Benefits Beyond Growth Within 52 Weeks in Children with Achondroplasia in the Phase 3 PROPEL 3 Trial — AI Analysis | Signal8