About this trial
This is a Randomized, Double-Blind, Placebo-Controlled Study designed to assess safety, tolerability, and efficacy of NM8074 in AAV patients when used in combination with Standard of Care (SOC) cyclophosphamide/azathioprine or rituximab plus corticosteroids.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Clinical diagnosis of granulomatosis with polyangiitis (GPA), microscopic polyangiitis (MPA), or renal limited vasculitis.
Male and female subjects aged at least 18 years, with newly diagnosed or relapsed Associated Vasculitis (AAV) where treatment with cyclophosphamide or rituximab is needed.
At least 1 major item, or at least 3 non-major items, or at least the 2 renal items of proteinuria and hematuria on Birmingham Vasculitis Activity Score (BVAS).
Estimated glomerular filtration rate (eGFR) ≥ 20 mL/ minute.
Disqualifiers
Severe disease as determined by alveolar hemorrhage, hemoptysis, rapid onset mononeuritis multiplex or central nervous system involvement.
Patients with rapidly progressive glomerulonephritis
Any other known multi-system autoimmune disease including eosinophilic granulomatosis with polyangiitis (EGPA, Churg Strauss), systemic lupus erythematosus, Immunoglobulin A (lgA) vasculitis (HenochSchönlein purpura), rheumatoid vasculitis, Sjogren's disease, anti
glomerular basement membrane disease, or cryoglobulinemia.
Trial design
Sequential
Treatments tested in this trial
NM8074
DrugNM8074 will be administered as an intravenous infusion. In Cohort 1, all subjects will be administered 20 mg/kg of NM8074 intravenously every two weeks for a total of 7 doses from Day 1 to Day 85 of the Treatment Period.
Placebo
DrugSaline Placebo will be administered as an intravenous infusion. In Cohort 2, all subjects will be administered saline placebo intravenously every two weeks for a total of 7 doses from Day 1 to Day 85 of the Treatment Period.
Treatment groups
Trial outcomes
Primary outcomes
Proportion of subjects achieving disease response at Day 85 defined as BVAS percent decrease of at least 50% from baseline.
Secondary outcomes
Number of patients with ANCA positivity (anti-PR3 and anti-MPO)
Change from Baseline or Percent Change from Baseline in BVAS (Birmingham Vasculitis Activity Score)
Change from Baseline or Percent Change from Baseline in Vasculitis Damage Index (VDI)
Change from Baseline or Percent Change from Baseline in C-reactive protein concentration
Other outcomes
Change from Baseline or Percent Change from Baseline in Classical Pathway (CP) modulation
Change from Baseline or Percent Change from Baseline in Factor B levels
Change from Baseline or Percent Change from Baseline in plasma concentration of NM8074
Maximum plasma concentration (Cmax)
Locations
Sponsors and contacts
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