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Infigratinib

Phase 2

Hypochondroplasia | Small molecule | Other |BridgeBio Pharma, Inc.|Last Updated: May 26, 2026

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedCONTROLLEDDMCBiomarker
Total Trials2
Total Enrollment159
FDA Designations
No designations recorded
Clinical Trials (2)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT07393373Open-Label, Long-Term, Extension Study of Infigratinib in Children With HypochondroplasiaPHASE2 ENROLLING BY_INVITATION 135Apr 23, 2026May 31, 2036May 26, 202624 United States, Australia +8
NCT06873035An Interventional Study of Infigratinib in Children With HypochondroplasiaPHASE2 ENROLLING BY_INVITATION 24Apr 22, 2025Jan 1, 2027Dec 15, 202522 United States, Australia +8
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Study Endpoints
Primary Endpoints
Incidence of treatment emergent adverse events (TEAE) and serious TEAE
10 years
Changes over time in standing height Z-score in relation to HCH and non-HCH growth charts
10 years
Change from baseline (BL) in Annualized Height Velocity (AHV; cm/year)
26 weeks
Incidence, severity, and seriousness of adverse events (AEs) that require dose reduction or discontinuation
at least 26 weeks
Secondary Endpoints
Changes over time in AHV Z-score
10 years
Changes over time in body proportions
10 years
Changes over time in weight Z-score
10 years
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Study Design & Arms
AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
Arm 1: Rollover subjectsEXPERIMENTALChildren who have completed QED-sponsored interventional study with infigratinib
Phase 2 Cohort 1EXPERIMENTALinfigratinib (0.128 mg/kg/day)
Phase 2 Cohort 2EXPERIMENTALinfigratinib (0.25 mg/kg/day)
Interventions
NameTypeDescription
InfigratinibDRUGInfigratinib to be administered by mouth and initiated at the last dose level received in the ACCEL 2/3 study or at the dose selected to be further evaluated after proof-of-concept is established for Phase 2 portion of ACCEL 2/3.
infigratinib 0.128 mg/kg/dayDRUGOral infigratinib 0.128 mg/kg/day
infigratinib 0.25 mg/kg/dayDRUGOral infigratinib 0.25 mg/kg/day
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Eligibility Criteria
Age Range3 Years — 18 Years
SexALL
Healthy VolunteersNo
Study Sites24

Inclusion Criteria: * Inclusion Criteria for Participants Rolling Over from ACCEL 2/3 1. Pediatric participants with HCH who have completed ACCEL 2/3 2. Negative pregnancy test in girls ≥10 years of age or girls of any age who have experienced menarche Exclusion Criteria: * Exclusion Criteri...

Countries:United StatesAustraliaCanadaFranceNorwayPortugalSingaporeSpainSwedenUnited Kingdom
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Recent Changes (Last 90 Days)
LOWMay 27, 2026NCT07393373startDate: changed
LOWMay 27, 2026NCT07393373startDate: changed
LOWMay 26, 2026NCT06873035primaryCompletionDate: changed
LOWMay 26, 2026NCT07393373primaryCompletionDate: changed
LOWMay 24, 2026NCT06873035studyFirstPostDate: changed
LOWMay 24, 2026NCT07393373studyFirstPostDate: changed