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A Phase 3, Multicenter, Double-Blind, Randomized, Placebo-Controlled Study to Evaluate the Efficacy and Safety of Infigratinib in Children 3 to <18 Years of Age with Achondroplasia: PROPEL 3

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2023-506130-67-00
Acronym
QBGJ398-303
Enrollment
62
Registered
2024-03-18
Start date
2024-08-20
Completion date
2025-12-13
Last updated
2025-12-05

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Achondroplasia

Brief summary

Change from baseline (BL) in AHV, compared to placebo [Time Frame: Week 52]

Detailed description

Change from BL in height Z-score (in relation to ACH tables), compared to placebo [Time Frame: Week 52], Change from BL in upper to lower body segment ratio, compared to placebo [Time Frame: Week 52], Change from BL in height Z-score (in relation to non-ACH tables), compared to placebo [Time Frame: Week 52], AVH compared to placebo [Time Frame: Week 52], Absolute and change from baseline in upper arm to forearm length ratio (cm), compared to placebo [Time Frame: Week 52], Absolute and change from baseline in upper leg to lower leg length ratio (cm), compared to placebo [Time Frame: Week 52], Absolute and change from baseline in arm span (cm) to standing height ratio, compared to placebo [Time Frame: Week 52], Absolute and change from baseline in head circumference (cm) to standing height ratio, compared to placebo [Time Frame: Week 52], Absolute value and change in body mass index, compared to placebo [Time Frame: Week 52], Incidence of adverse events [Time Frame: Week 52], Change from BL in AHV in children ≥5 years of age, compared to placebo [Time Frame: Week 52], Change from BL in the Physical Functioning Scale of the PedsQL child report compared to placebo [Time Frame: Week 52], Change in psychomotor function assessed by age-appropriate computerized tests (Detection Test), compared to placebo [Time Frame: Week 52], Change from BL in attention assessed by age-appropriate computerized tests (Identification Test) [Time Frame: Week 52], Change from BL in visual learning assessed by age-appropriate computerized tests (One Card Learning Test) [Time Frame: Week 52], Change from BL in working memory assessed by age-appropriate computerized tests (One Back Test) [Time Frame: Week 52], Pharmacokinetic profile of infigratinib by assessment of maximum concentration (Cmax) [Time Frame: Week 52], Pharmacokinetic profile of infigratinib by assessment of time-to-maximum concentration (Tmax) [Time Frame: Week 52], Change from BL in pharmacodynamic parameters by assessing collagen X marker, compared to placebo [Time Frame: Week 52], Evaluate the acceptability and palatability of infigratinib using a 5-point hedonic scale [Time Frame: Week 13]

Interventions

DRUGPLACEBO TO MATCH INFIGRATINIB SPRINKLE CAPSULES

Sponsors

QED Therapeutics Inc., Qed Therapeutics Inc.
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
0 Years to 17 Years

Design outcomes

Primary

MeasureTime frame
Change from baseline (BL) in AHV, compared to placebo [Time Frame: Week 52]

Secondary

MeasureTime frame
Change from BL in height Z-score (in relation to ACH tables), compared to placebo [Time Frame: Week 52], Change from BL in upper to lower body segment ratio, compared to placebo [Time Frame: Week 52], Change from BL in height Z-score (in relation to non-ACH tables), compared to placebo [Time Frame: Week 52], AVH compared to placebo [Time Frame: Week 52], Absolute and change from baseline in upper arm to forearm length ratio (cm), compared to placebo [Time Frame: Week 52], Absolute and change from baseline in upper leg to lower leg length ratio (cm), compared to placebo [Time Frame: Week 52], Absolute and change from baseline in arm span (cm) to standing height ratio, compared to placebo [Time Frame: Week 52], Absolute and change from baseline in head circumference (cm) to standing height ratio, compared to placebo [Time Frame: Week 52], Absolute value and change in body mass index, compared to placebo [Time Frame: Week 52], Incidence of adverse events [Time Frame: Week 52], Change from

Countries

France, Germany, Italy, Norway, Spain

Outcome results

None listed

Source: EU CTIS · Data processed: Feb 4, 2026