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A Multicenter, Randomized, Operationally Seamless Phase 2/3 Study to Evaluate the Efficacy and Safety of BMN 333 versus Vosoritide in Children with Achondroplasia

Status
Not yet recruiting
Phases
Phase 2Phase 3
Study type
Interventional
Source
EU CTIS
Registry ID
CTIS2025-523811-12-00
Enrollment
25
Registered
2026-05-05
Start date
Unknown
Completion date
Unknown
Last updated
2026-05-05

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

Conditions

Achondroplasia

Brief summary

Phase 2: Predicted AGV at Week 52 (based on AGV at Weeks 26, 39, and 52 [available cumulative data]), Phase 3: AGV at Week 52

Detailed description

Phase 2: 1.AGV at Weeks 26 and 52 2.Change from Baseline in standing height, height Z-score and in upper to lower body segment ratio at Weeks 26 and 52 3.Incidence of AEs, SAEs, and EOIsa; physical examinations; vital signs; ECG findings; imaging results (X-ray and DXA); clinical laboratory tests., Phase 3: • Change from Baseline in standing height, height Z-score, upper to lower body segment ratio at Week 52

Interventions

Sponsors

Biomarin Pharmaceutical Inc.
Lead SponsorINDUSTRY

Eligibility

Sex/Gender
All
Age
0 Years to 17 Years

Design outcomes

Primary

MeasureTime frame
Phase 2: Predicted AGV at Week 52 (based on AGV at Weeks 26, 39, and 52 [available cumulative data]), Phase 3: AGV at Week 52

Secondary

MeasureTime frame
Phase 2: 1.AGV at Weeks 26 and 52 2.Change from Baseline in standing height, height Z-score and in upper to lower body segment ratio at Weeks 26 and 52 3.Incidence of AEs, SAEs, and EOIsa; physical examinations; vital signs; ECG findings; imaging results (X-ray and DXA); clinical laboratory tests., Phase 3: • Change from Baseline in standing height, height Z-score, upper to lower body segment ratio at Week 52

Outcome results

None listed

Source: EU CTIS · Data processed: May 6, 2026