Open
Actively Recruiting
Study to Assess Dose, Efficacy and Safety of Setrusumab in Participants With Osteogenesis Imperfecta
About
Brief Summary
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.
Primary Purpose
Study Type
Phase
Eligibility
Gender
Healthy Volunteers
Minimum Age
Maximum Age
Inclusion Criteria:
- Diagnosis of OI Type I, III, or IV as confirmed by identification of pathogenic or likely pathogenic genetic variants in COL1A1 or COL1A2. If a variant of uncertain significance is identified, then clinical presence of the expected phenotype can be used to confirm the diagnosis
- ≥ 1 fracture in the past 12 months, ≥ 2 fractures in the past 24 months or ≥ 1 tibia, femur or humerus fracture in the past 24 months
- Serum 25-hydroxyvitamin D ≥ 20 ng/mL at the Screening Visit. If 25-hydroxyvitamin D levels are below 20 ng/mL, 25-hydroxyvitamin D testing can repeated after a minimum of 14 days of vitamin D supplementation as directed by the treating physician
- Willing to not receive bisphosphonate therapy during the study
- From the period following informed consent to 60 days after the last dose of the study drug, females of childbearing potential and fertile males must consent to use highly effective contraception. If female, agree not to become pregnant. If male, agree not to father a child or donate sperm
- Willing and able to provide informed consent for subjects greater than or equal to 18 years of age, or provide assent (if possible) and have a legally authorized representative provide informed consent, after the nature of the study has been explained and prior to any research-related procedures
- Willing to provide access to medical records for the collection of radiographic data, fracture data, growth data, and disease history
- Must, in the opinion of the Investigator, be willing and able to complete all aspects of the study, adhere to the study visit schedule, and comply with the assessments
Exclusion Criteria:
- History of skeletal malignancies or bone metastases at any time
- History of neural foraminal stenosis (except if due to scoliosis)
- Clinical manifestations of Chiari malformation or basilar invagination. Presence of any other neurologic disease that has been unstable within past 2 years requires review by the Medical Monitor
- History of or uncontrolled concomitant diseases such as hypo/hyperparathyroidism, Paget's disease, abnormal thyroid function, thyroid disease or other endocrine disorders or conditions that could affect bone metabolism such as Stage IV/V renal disease
- Rickets or any skeletal condition (other than OI) leading to long-bone deformities and/or increased risk of fractures
- History of stroke, myocardial infarction, transient ischemic attack or angina.
- Hypocalcemia, defined as serum calcium levels below the age-adjusted normal limits after a ≥ 4 hour fast
- Estimated glomerular filtration rate ≤ 29 mL/min/1.73 m2
- Prior treatment with the following:
- Teriparatide, growth hormone, or other bone anabolic or anti-resorptive medications within 6 months of Screening
- Denosumab within 24 months of Screening
- Romosozumab at any time
- Documented alcohol and/or drug abuse within 12 months prior to dosing or evidence of such abuse as indicated by the laboratory results during the Screening assessments
- Presence or history of any condition that, in the view of the Investigator, would interfere with participation, pose undue risk, or would confound interpretation of results
- Known hypersensitivity to setrusumab or excipients that, in the judgment of the Investigator, places the subject at increased risk for adverse effects
- History of external radiation therapy
- Pregnant or breastfeeding or planning to become pregnant (self or partner) at any time during the study
- Use of any investigational product or investigational medical device within 4 weeks or 5 half-lives of investigational drug (whichever is longer) prior to Screening, or during the study (per discretion of the Investigator in consultation with the Medical Monitor)
- Concurrent participation in another clinical study without prior approval from the Investigator in consultation with the Medical Monitor
- For Phase 2 Only: A history of bone surgery within the previous 6 months prior to Screening or planned bone surgery for the first 3 months of the study
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Study Stats
Protocol No.
24-5034
Category
Genetic and Rare Diseases
Pediatric and Prenatal Disorders
Principal Investigator
Contact
Location
- UCLA Westwood