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Rituximab for the Treatment of Wegener's Granulomatosis and Microscopic Polyangiitis (RAVE)

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ClinicalTrials.gov Identifier: NCT00104299
Recruitment Status : Completed
First Posted : February 25, 2005
Results First Posted : August 25, 2011
Last Update Posted : April 21, 2017
Sponsor:
Collaborators:
Information provided by (Responsible Party):

Study Type: Interventional
Study Design: Allocation: Randomized;   Intervention Model: Parallel Assignment;   Masking: Double (Participant, Investigator);   Primary Purpose: Treatment
Conditions: Vasculitis
Wegener's Granulomatosis
Microscopic Polyangiitis
Interventions: Drug: Rituximab plus cyclophosphamide placebo (rituximab group)
Drug: Cyclophosphamide plus rituximab placebo (control group)
Drug: Azathioprine
Drug: Methylprednisolone (or other glucocorticoid)
Drug: Prednisone

  Participant Flow

Recruitment Details
Key information relevant to the recruitment process for the overall study, such as dates of the recruitment period and locations
Eight centers in the United States and one center in the Netherlands (Groningen) enrolled 197 Antineutrophil cytoplasmic antibodies (ANCA)-positive patients with either Wegener’s granulomatosis or microscopic polyangiitis between December 30, 2004 and June 30, 2008.

Pre-Assignment Details
Significant events and approaches for the overall study following participant enrollment, but prior to group assignment
At a screening visit, participants underwent procedures to establish inclusion/exclusion criteria and then sign the informed consent form.

Reporting Groups
  Description
Rituximab Participants received intravenous rituximab (Rituxan, Genentech) (at a dose of 375 mg per square meter of body-surface area once weekly for 4 weeks) plus daily placebo−cyclophosphamide. Refer to section titled “Detailed Description” for additional treatment information.
Control Group Participants received placebo−rituximab infusions plus daily cyclophosphamide (2 mg per kilogram of body weight, adjusted for renal insufficiency). Refer to section titled “Detailed Description” for additional treatment information.

Participant Flow:   Overall Study
    Rituximab   Control Group
STARTED   99   98 
COMPLETED   90 [1]   88 [1] 
NOT COMPLETED   9   10 
Adverse Event                3                1 
Death                2                2 
Withdrawal by Subject                2                6 
Physician Decision                1                1 
To have renal transplant                1                0 
[1] Number of participants who completed 18 months post-randomization



  Baseline Characteristics


  Outcome Measures

1.  Primary:   Disease Remission   [ Time Frame: 6 months post-randomization ]

2.  Secondary:   Rate of Selected Adverse Events Experienced by Participants Receiving Rituximab Versus Those Receiving Conventional Therapy   [ Time Frame: Through common close-out (defined as 18 months after the last participant is enrolled in the trial) ]

3.  Secondary:   Percentage of Participants Who Have a BVAS/WG Score of 0 and Have Successfully Completed the Glucocorticoid Taper by 6 Months Post-randomization   [ Time Frame: 6 months post-randomization ]

4.  Secondary:   The Duration of Complete Remission (BVAS=0, Off Glucocorticoids), the Time to Limited and/or Severe Flare After Remission in the Two Treatment Groups   [ Time Frame: 18 months post-randomization ]

5.  Secondary:   The Duration of Remission (BVAS=0), the Time to Limited and/or Severe Flare After Remission in the Two Treatment Groups   [ Time Frame: 18 months post-randomization ]

6.  Secondary:   Time to Remission (BVAS=0) From the Visit 1 Baseline Visit in the Two Treatment Groups   [ Time Frame: 18 months post-randomization ]

7.  Secondary:   Time to Complete Remission (BVAS=0, Off Glucocorticoids) From the Visit 1 Baseline Visit in the Two Treatment Groups   [ Time Frame: 18 months post-randomization ]

8.  Post-Hoc:   Number of Subjects Experiencing Serious Adverse Events   [ Time Frame: Randomization to censor at Crossover, Open-label or Best Medical Judgment (up to 18 months post-randomization) ]


  Serious Adverse Events


  Other Adverse Events


  Limitations and Caveats

Limitations of the study, such as early termination leading to small numbers of participants analyzed and technical problems with measurement leading to unreliable or uninterpretable data
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  More Information