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Completed Phase 3 Interventional Results available

Rituximab Vasculitis Maintenance Study

ClinicalTrials.gov ID: NCT01697267

Public ClinicalTrials.gov record NCT01697267. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 15, 2026, 4:04 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

An International, Open Label, Randomised Controlled Trial Comparing Rituximab With Azathioprine as Maintenance Therapy in Relapsing ANCA-associated Vasculitis

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

Rituximab is now established as an effective drug for anti-neutrophil cytoplasmic antibody (ANCA) vasculitis following major European and US trials reported in 2010. After a time, its effect wears off and the disease can return. This occurs in at least half of patients within 2 years of receiving Rituximab. A preliminary study in Cambridge has suggested that repeating rituximab every six months stops the disease returning and is safe. The RITAZAREM trial will find out whether repeating rituximab stops vasculitis returning and whether it works better than the older treatments, azathioprine or methotrexate. It will also tell us how long patients remain well after the repeated rituximab treatments are stopped, and if repeated rituximab is safe. We should also learn useful information about the effects of rituximab on quality of life and economic measures. The trial results will help decide the best treatment for future patients who have their vasculitis initially treated with rituximab. RITAZAREM aims to recruit patients with established ANCA vasculitis whose disease has come back 'relapsing vasculitis'. All patients will be treated with rituximab and steroids and we anticipate that most will respond well. If their disease is under reasonable control after four months, further treatment with either rituximab (a single dose ever four months for two years) or azathioprine tablets will be chosen randomly. The patients in the rituximab and azathioprine groups will then be compared. Patients will be in the trial for four years. The study has been designed by members of the European Vasculitis Study group (EUVAS) and the Vasculitis Clinical Research Consortium (VCRC). It will include 190 participants from 30 hospitals in Europe, the USA, Australia and Mexico. RITAZAREM is being funded by Arthritis Research UK, the U.S. National Institutes of Health and by Roche/Genentech.

Study identification

NCT ID
NCT01697267
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Enrollment
188 participants

Conditions and interventions

Eligibility (public fields only)

Age range
15 Years and older
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Mar 31, 2013
Primary completion
Nov 21, 2018
Completion
Nov 20, 2019
Last update posted
Mar 17, 2022

2013 – 2019

United States locations

U.S. sites
9
U.S. states
8
U.S. cities
9
Facility City State ZIP Site status
Cedars-Sinai Medical Center Los Angeles California 90048
University of Michigan Ann Arbor Michigan 48109
Mayo Clinic Rochester Minnesota 55905
Hospital for Special Surgery New York New York 10021
University of North Carolina Chapel Hill North Carolina 27599
Cleveland Clinic Cleveland Ohio 44195
University of Pennsylvania Philadelphia Pennsylvania 19104
University of Pittsburgh Pittsburgh Pennsylvania 15260
University of Utah Salt Lake City Utah 84112

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 29 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT01697267, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Mar 17, 2022 · Synced Sep 15, 2026

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Open the official record

The complete protocol, eligibility criteria, and contact information for NCT01697267 live on ClinicalTrials.gov.

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