Trial reportRMD open2025
Efficacy and safety of avacopan for treatment of patients with ANCA-associated vasculitis receiving cyclophosphamide.
Trial report in RMD open, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT02994927 (A Randomized, Double-Blind, Active-Controlled, Phase 3 Study to Evaluate the Safety and Efficacy of CCX168), which is not on this map. Not yet cited in PubMed.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
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A Randomized, Double-Blind, Active-Controlled, Phase 3 Study to Evaluate the Safety and Efficacy of CCX168 (Avacopan) in Patients With ANCA-Associated Vasculitis Treated Concomitantly With Rituximab or Cyclophosphamide/Azathioprine
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Authors and funding
9 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThis study evaluated the efficacy and safety of avacopan versus a prednisone taper in the subgroup of patients with antineutrophil cytoplasmic antibody-associated vasculitis (granulomatosis with polyangiitis (GPA) or microscopic polyangiitis (MPA)) receiving cyclophosphamide (CYC) followed by azathioprine (or mycophenolate mofetil) in the ADVOCATE trial.
methodsKey efficacy outcomes were remission at week 26 and sustained remission at week 52. Additional outcomes included glucocorticoid toxicity, estimated glomerular filtration rate (eGFR), urinary albumin-to-creatinine ratio (UACR) and safety.
resultsOf 330 patients receiving study medication, 116 (35.2%) received CYC (avacopan group, n=59; prednisone taper group, n=57). Remission at week 26 and sustained remission at week 52 were achieved by 37/59 (62.7%) and 33/59 (55.9%) patients in the avacopan group and 34/57 (59.6%) and 30/57 (52.6%) in the prednisone taper group, respectively. Over 52 weeks, relapses were observed in 13.0% in the avacopan group and 22.6% in the prednisone taper group. Improvement in eGFR, speed of albuminuria reduction and differences in glucocorticoid toxicity favoured the avacopan group. Serious adverse events occurred in 55.9% and 56.1% of patients in the avacopan and prednisone taper groups, respectively.
conclusionsThis subgroup analysis of patients who received CYC shows similar rates of remission in the avacopan and prednisone taper groups. Compared with the prednisone taper regimen, the avacopan regimen was associated with a numerically lower relapse rate, greater improvement in eGFR, faster reduction in UACR, lower glucocorticoid-related toxicity and similar overall safety. These results support the use of avacopan in combination with CYC to treat GPA or MPA. TRIAL REGISTRATION NUMBER: NCT02994927.
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