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Ravulizumab Versus Placebo in Adult Participants With Dermatomyositis

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Brief Summary

This is a Phase 2/3, double-blind, randomized, placebo-controlled, parallel group, multicenter study to evaluate the efficacy, safety, pharmacokinetics, pharmacodynamics, and immunogenicity of ravulizumab in adult participants with dermatomyositis (DM).

Primary Purpose
Treatment
Study Type
Interventional
Phase
Phase II/III

Eligibility

Gender
All
Healthy Volunteers
No
Minimum Age
18 Years
Maximum Age
N/A

Key Inclusion Criteria:

  • 18 years of age or older at the time of signing the informed consent.
  • Body weight ≥ 30 kilograms at the time of Screening.
  • Male or female.
  • Diagnosis: Meet 2017 American College of Rheumatology/European League Against Rheumatism classification criteria for definite or probable DM.
  • Participants who have an inadequate response or are intolerant to 1 or more DM treatments, including systemic corticosteroids or immunosuppressive/immunomodulatory therapies (for example, azathioprine, methotrexate, rituximab, intravenous immunoglobulin), either in combination or as monotherapy.
  • Vaccinated against Neisseria meningitidis within 3 years prior to initiating ravulizumab as per national and local guidelines. Participants must receive the vaccination at least 2 weeks before first study intervention. The sponsor recommends that national and local guidelines for prophylactic antibiotics should also be followed.
  • Female participants of childbearing potential and male participants must follow specified contraception guidance as described in the protocol.

Key Exclusion Criteria:

  • Participants who have been diagnosed with cancer within the last 3 years need to have appropriate negative cancer screening as per local standard of care within 6 months before Screening (basal or squamous cell skin cancer or carcinoma in situ of the cervix needs to have been excised and without evidence of residual disease for at least 3 months before Screening).
  • Evidence of active malignant disease or malignancies diagnosed within the previous 3 years including hematological malignancies and solid tumors.
  • Participants with other forms of myositis.
  • As per investigator discretion, participants with significant muscle damage (for example, severe muscle atrophy, end stage muscle disease, MRI with severe atrophy or fibrofatty replacement)
  • History of Neisseria meningitidis infection.
  • Human immunodeficiency virus (HIV) infection (evidenced by HIV Type 1 or Type 2 antibody titer).
  • Active systemic bacterial, viral, or fungal infection within 14 days prior to ravulizumab administration.
  • Presence of fever ≥ 38°Celsius (100.4°Fahrenheit) within 7 days prior to study drug administration on Day 1.
  • History of hypersensitivity to murine proteins or to 1 of the excipients of ravulizumab.
  • Pregnant, breastfeeding, or intending to conceive during the course of the study.
  • Inability or unwillingness to adhere to the protocol requirements.

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Study Stats
Protocol No.
21-001889
Category
Genetic and Rare Diseases
Musculoskeletal Disorders
Contact
Tiffany De Leon
Location
  • UCLA Westwood
For Providers
NCT No.
NCT04999020
For detailed technical eligibility, visit ClinicalTrials.gov.