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An Extension Study to Evaluate the Efficacy and Safety of BMN 111 in Children With Achondroplasia

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NCT03424018 · readout ≤ 1,776 d

Sponsored by BioMarin Pharmaceutical (industry) · BMRN — their whole pipeline →.

Phase
Phase 3
Status
Active, not recruiting
Study type
Interventional
Design
Na · None · Treatment
Enrollment
119actual
Sites
24
Countries
Australia, Germany, Japan +4

Every value on this page is a field the sponsor filed with ClinicalTrials.gov, reproduced. Dates are their own estimates, revised as a study runs, unless the registry marks them actual. sources →

Source: ClinicalTrials.gov, retrieved 2026-08-19

Dates

each axis at the precision it was filed, with the registry's own basis
DateFiledBasisWhat it is
Start2017-12-12actualWhen the study began enrolling
Primary completionJun 2031estimatedThe date the last participant is measured for the primary outcome — the readout window
Study completionJun 2031estimatedThe whole study's end, after follow-up
First posted2018-02-06actualWhen this record first appeared on the registry
Results postedWhen the sponsor posted results to the registry
Record updated2026-03-13actualThe sponsor's own last edit to this record — every projection above is as current as this date

What it studies

Condition

  • Achondroplasia

Intervention

  • Drug: BMN 111 — also filed as Vosoritide, Modified recombinant human C-type natriuretic peptide

Primary outcome

what the primary-completion date above is the date OF
Change from baselines in mean annualized growth velocity
measured Through study completion, an average of 1 year

Publications

Linked on the registry record. A “linked by the registry” entry is NLM's own automated PubMed match, not a claim by the sponsor that the paper reports this study.

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