IgA Vasculitis Clinical Trial
Official title:
A Randomized Multicenter Study for Isolated Skin Vasculitis
Multi-center sequential multiple assignment randomized trial comparing the effectiveness of three different standard of care treatment options for patients with isolated skin vasculitis.
Eligible patients will be initially randomized (1:1:1) to receive one of the 3 medications under investigation (colchicine 0.6 mg x 2/day; dapsone 150 mg/day; azathioprine 2 mg/kg/day) for 6 months. Endpoint is response to treatment at month 6 (stage 1). If the patient has to discontinue the study drug within the 6 month study period or during the subsequent follow-up period (up to month 12) because of a lack of response (or failure), flare or side effect, he/she will be randomized again to receive one of the remaining two study drugs (stage 2, with a 1:1 randomization ratio) for 6 months. Endpoint in this second stage will again be the response to treatment at 6 months. ;
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