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Setrusumab vs Bisphosphonates for Osteogenesis Imperfecta (Cosmic Trial)

Phase 3
Waitlist Available
Research Sponsored by Ultragenyx Pharmaceutical Inc
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
Be younger than 18 years old
Timeline
Screening 3 weeks
Treatment Varies
Follow Up up to 24 months
Awards & highlights

Cosmic Trial Summary

This trial compares the effectiveness of two treatments for reducing fractures in children, Setrusumab and IV-BP.

Who is the study for?
This trial is for children with Osteogenesis Imperfecta (OI) types I, III, or IV who have had fractures in the past year and are currently on or have had bisphosphonate therapy. They must not have severe kidney issues, untreated hypocalcemia, a history of certain bone diseases other than OI, cardiovascular disease without clearance, or recent use of certain bone-impacting drugs.Check my eligibility
What is being tested?
The study compares setrusumab to intravenous bisphosphonates in reducing fracture rates in pediatric patients with OI. It aims to see if setrusumab is more effective at preventing new fractures including specific spinal ones.See study design
What are the potential side effects?
While the document doesn't specify side effects directly, common side effects for medications like setrusumab and bisphosphonates may include flu-like symptoms, joint pain, risk of unusual thigh bone fractures and potential jawbone problems.

Cosmic Trial Timeline

Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~up to 24 months
This trial's timeline: 3 weeks for screening, Varies for treatment, and up to 24 months for reporting.

Treatment Details

Study Objectives

Outcome measures can provide a clearer picture of what you can expect from a treatment.
Primary outcome measures
Annualized Rate of all Radiographically-confirmed Fractures, Including Morphometric Vertebral Fractures During the Active-controlled Period
Secondary outcome measures
Annualized Rate of all Radiographically-confirmed Fractures, Excluding Morphometric Vertebral Fractures During the Active-controlled Period
Change from Baseline in Pediatric Orthopedic Society of North America Pediatric Outcomes Data Collection Instrument (POSNA-PODCI) Sports/Physical Functioning and Pain/Comfort Subscale Scores at Month 12 of the Active-controlled Period
Number of Participants With Anti-setrusumab Binding and Neutralizing Antibodies
+2 more

Cosmic Trial Design

2Treatment groups
Experimental Treatment
Active Control
Group I: SetrusumabExperimental Treatment1 Intervention
Participants will receive Setrusumab during the active-controlled and extension period
Group II: Intravenous Bisphosphonates (IV-BP) -> SetrusumabActive Control2 Interventions
Participants on IV-BP will continue their existing dose/regimen per investigator discretion; for participants not on IV-BP, the dose/regimen will be determined by the investigator. After the active-controlled period, participants will receive Setrusumab during the extension period

Research Highlights

Information in this section is not a recommendation. We encourage patients to speak with their healthcare team when evaluating any treatment decision.
Mechanism Of Action
Side Effect Profile
Prior Approvals
Other Research
Setrusumab, a monoclonal antibody targeting sclerostin, promotes bone growth by inhibiting a protein that normally suppresses bone formation. This is particularly beneficial for Osteogenesis Imperfecta (OI) patients, who have brittle bones due to defective collagen. Intravenous Bisphosphonates, on the other hand, inhibit osteoclast-mediated bone resorption, leading to increased bone density and reduced bone turnover. This helps to strengthen the bones and lower the risk of fractures in OI patients. Both treatments aim to enhance bone strength and reduce fracture rates, addressing the fundamental issue of bone fragility in OI.

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Who is running the clinical trial?

Ultragenyx Pharmaceutical IncLead Sponsor
90 Previous Clinical Trials
179,047 Total Patients Enrolled
5 Trials studying Osteogenesis Imperfecta
306 Patients Enrolled for Osteogenesis Imperfecta
Medical DirectorStudy DirectorUltragenyx Pharmaceutical Inc
2,788 Previous Clinical Trials
8,065,983 Total Patients Enrolled
4 Trials studying Osteogenesis Imperfecta
124 Patients Enrolled for Osteogenesis Imperfecta

Media Library

Bisphosphonate (Other) Clinical Trial Eligibility Overview. Trial Name: NCT05768854 — Phase 3
Osteogenesis Imperfecta Research Study Groups: Intravenous Bisphosphonates (IV-BP) -> Setrusumab, Setrusumab
Osteogenesis Imperfecta Clinical Trial 2023: Bisphosphonate Highlights & Side Effects. Trial Name: NCT05768854 — Phase 3
Bisphosphonate (Other) 2023 Treatment Timeline for Medical Study. Trial Name: NCT05768854 — Phase 3
~43 spots leftby Dec 2025