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Study identifier: NCT06611696 Synced from ClinicalTrials.gov · July 28, 2026
● Recruiting

Avacopan vs Reduced-dose Glucocorticoids in ANCA-associated Vasculitis

Condition: ANCA Associated Vasculitis (AAV)  ·  Sponsor: Chiba University

PhasePhase 4
Planned participants160
Who can joinAll sexes, 18 Years to no upper limit
Healthy volunteersNo

About this study

The goal of this clinical trial is to learn if avacopan in combination with short-term (4 weeks) reduced-dose glucocorticoid and rituximab works to treat patients with newly-onset ANCA-associated vasculitis. It will also learn about the long-term safety of avacopan. The main questions it aims to answer are: Is avacopan in combination with short-term reduced-dose glucocorticoid and rituximab as effective as the combination of 20 week reduced-dose glucocorticoid and rituximab in the proportion of the patients achieving remission? Does avacopan lower the relapse rate compared to the 6 monthly rituximab maintenance therapy? What medical problems do participants have when taking long-term avacopan? Participants will: Be treated with avacopan in combination with short-term (until 4 weeks) reduced-dose glucocorticoid and rituximab (at 0 week) or reduced-dose glucocorticoid (until 20 weeks) and rituximab (at 0, 26, 52 and 78 weeks). Be assessed at 0, 4, 8, 16, 26, 52, 78 and 104 weeks regarding disease status (remission/relapse), disease activity by Birmingham Vasculitis Activity Score ver3, disease damage by Vasculitis Damage Index and adverse events. The primary endpoint is remission rates at 26 weeks.

This description comes directly from the study's public registry record.

Talk to the study team

Shunsuke Furuta, MD, PhD  ·  81+43-222-7171  ·  shfuruta@chiba-u.jp

Always discuss trial participation with your own doctor first.

Locations (22)

Fujita Health University HospitalToyoake, Aichi-ken, JapanNot Yet Recruiting
Asahi General HospitalAsahi, Chiba, JapanRecruiting
Chiba Aoba Municipal HospitalChiba, Chiba, JapanRecruiting
Chiba UniversityChiba, Chiba, JapanRecruiting
Chiba Rosai HospitalIchihara, Chiba, JapanRecruiting
Kameda Medical CentreKamogawa, Chiba, JapanRecruiting
International University of Health and WelfareNarita, Chiba, JapanRecruiting
Japanese Red Cross Narita HospitalNarita, Chiba, JapanRecruiting
Gunma UniversityMaebashi, Gunma, JapanRecruiting
Kagawa UniversityHiragi, Kagawa-ken, JapanRecruiting
St.Marianna University School of MedicineKawasaki, Kanagawa, JapanRecruiting
Tohoku UniverisitySendai, Miyagi, JapanRecruiting

+ 10 more locations — full list on the registry record.

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Source record: clinicaltrials.gov/study/NCT06611696