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A Study to Investigate the Efficacy and Safety of Brepocitinib in Adults With Dermatomyositis
About
Brief Summary
This is a phase 3, multicenter, randomized, placebo-controlled, double-blind study of treatment with brepocitinib (TYK2/JAK1 inhibitor) in adults with dermatomyositis (DM). The primary objective of this study is to assess the efficacy of two dose levels of brepocitinib in comparison to placebo, as measured by differences in the Total Improvement Score (TIS). After 52 weeks of double-blind treatment, participants have the option to continue therapy in a 52 week open-label extension phase where all participants will receive brepocitinib.
Primary Purpose
Study Type
Phase
Eligibility
Gender
Healthy Volunteers
Minimum Age
Maximum Age
Inclusion Criteria:
- A diagnosis of dermatomyositis according to 2017 EULAR/ACR Classification Criteria for Idiopathic Inflammatory Myopathies
- Adult subjects (18-75 years old)
- Active muscle and skin disease at screening and baseline
- Prior therapy OR current therapy with corticosteroids, hydroxychloroquine, and/or one non-steroid immunosuppressant
- Weight > 40 kg to < 130 kg, and with a body mass index (BMI) < 40 kg/m2.
Exclusion Criteria:
- Dermatomyositis with end-stage organ involvement
- Dermatomyositis with irreversible muscle involvement
- History of:
- Any lymphoproliferative disorder
- Active malignancy;
- History of cancer within 5 years prior to screening (exceptions for basal cell carcinoma, squamous cell carcinoma, ductal carcinoma in situ of the breast, carcinoma in situ of the uterine cervix, or thyroid carcinoma.)
- Cancer-associated dermatomyositis
- Overlap myositis/connective tissue disease (except for overlap with Sjögren's syndrome)
- Participants at a risk of thrombosis or cardiovascular disease
- Participants with a high risk for herpes zoster reactivation
- Participants with active or recent infections
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Study Stats
Protocol No.
22-001128
Category
Autoimmune Disorders
Genetic and Rare Diseases
Principal Investigator
Contact
Location
- UCLA Westwood