An Extension Study to Evaluate Safety and Efficacy of BMN 111 in Children With Achondroplasia
Public ClinicalTrials.gov record NCT03989947. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Phase 2 Open-Label Long-Term Extension Study to Evaluate the Safety and Efficacy of BMN 111 in Children With Achondroplasia
Study identification
- NCT ID
- NCT03989947
- Recruitment status
- Active, not recruiting
- Study type
- Interventional
- Phase
- Phase 2
- Lead sponsor
- BioMarin Pharmaceutical
- Industry
- Enrollment
- 73 participants
Conditions and interventions
Conditions
Interventions
- Active BMN 111: Subcutaneous injection of recommended dose of BMN 111 based on weight-band dosing once daily. Drug
Drug
Eligibility (public fields only)
- Age range
- 15 Months and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Jun 11, 2019
- Primary completion
- Apr 30, 2038
- Completion
- Apr 30, 2038
- Last update posted
- Mar 12, 2026
2019 – 2038
United States locations
- U.S. sites
- 9
- U.S. states
- 8
- U.S. cities
- 9
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Children's Hospital & Research Center Oakland | Oakland | California | 94609 | — |
| Harbor - UCLA Medical Center | Torrance | California | 90509 | — |
| Alfred I. duPont Hospital for Children | Wilmington | Delaware | 19803 | — |
| Emory University | Decatur | Georgia | 30033 | — |
| Ann Robert and H. Lurie Children's Hospital of Chicago | Chicago | Illinois | 60611 | — |
| Cincinnati Childrens Hospital | Cincinnati | Ohio | 45229 | — |
| Vanderbilt University Medical Center | Nashville | Tennessee | 37232-2578 | — |
| Baylor College of Medicine | Houston | Texas | 77030 | — |
| Medical College of Wisconsin, Children's Hospital | Milwaukee | Wisconsin | 53226 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 7 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03989947, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Mar 12, 2026 · Synced Jul 22, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03989947 live on ClinicalTrials.gov.