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Active, not recruiting Phase 2Phase 3 Interventional

Setrusumab vs Placebo for Osteogenesis Imperfecta

ClinicalTrials.gov ID: NCT05125809

Public ClinicalTrials.gov record NCT05125809. 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.

ClinicalTrials.gov public records Last synced Oct 26, 2026, 3:51 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

An Operationally Seamless, Randomized Phase 2/3 Study Consisting of a Phase 2 Single-Blind, Dose-Evaluation Phase and a Phase 3 Double-Blind, Placebo-Controlled Phase to Assess the Efficacy and Safety of Setrusumab in Subjects With Osteogenesis Imperfecta

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

The primary objectives of the study are to identify a setrusumab dosing strategy in participants with OI and to evaluate the effect of setrusumab vs placebo on reduction in fracture rate.

Study identification

NCT ID
NCT05125809
Recruitment status
Active, not recruiting
Study type
Interventional
Phase
Phase 2, Phase 3
Lead sponsor
Ultragenyx Pharmaceutical Inc
Industry
Enrollment
183 participants

Conditions and interventions

Interventions

Biological · Other

Eligibility (public fields only)

Age range
5 Years to 25 Years
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
Feb 21, 2022 (Actual)
Primary completion
Oct 20, 2025 (Actual)
Completion
Apr 2027 (Estimated)
Last update posted
Oct 20, 2026

2022 – 2027

United States locations

U.S. sites
22
U.S. states
19
U.S. cities
22
Facility City State ZIP Site status
Arkansas Children's Hospital Little Rock Arkansas 72202 —
Children's Hospital Los Angeles Los Angeles California 90027 —
Shriners Hospital for Children - Northern California Sacramento California 95817 —
Children's Hospital Colorado Aurora Colorado 80045 —
Connecticut Children's Medical Center Hartford Connecticut 06106 —
Yale New Haven Hospital New Haven Connecticut 06510 —
Nemours/ Alfred i. duPoint Hospital for Children Wilmington Delaware 19803 —
Children's National Medical Center Washington D.C. District of Columbia 20010 —
University of South Florida Tampa Florida 33612 —
Shriners Hospitals for Children - Chicago Chicago Illinois 60707 —
Indiana University Hospital Indianapolis Indiana 46202 —
Kennedy Krieger Institute Baltimore Maryland 21205 —
Washington University School of Medicine St Louis Missouri 63110 —
Children's Hospital and Medical Center Omaha Nebraska 68114 —
New Mexico Clinical Research & Osteoporosis Center, Inc. Albuquerque New Mexico 87106 —
Atrium Health Levine Children's Hospital Charlotte North Carolina 28203 —
Nationwide Children's Hospital- Ohio State University College of Medicine Columbus Ohio 43205 —
The Children's Hospital of Philadelphia Philadelphia Pennsylvania 19104 —
Vanderbilt University Medical Center Nashville Tennessee 37232 —
Cook Children's Medical Center Fort Worth Texas 76104 —
Baylor College of Medicine Houston Texas 77030 —
UW Health University Hospital Madison Wisconsin 53792 —

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 21 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT05125809, 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 Oct 20, 2026 · Synced Oct 26, 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 public registry record, listed eligibility criteria, and available contact information for NCT05125809 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →