Observation

Zanubrutinib for Immunoglobulin A Vasculitis With Monoclonal Gammopathy

JAMA Dermatology 10.1001/jamadermatol.2025.4892

January 07, 2026 at 11:00 AM EST

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This case report describes a patient in his 50s with immunoglobulin A vasculitis with monoclonal B-cell lymphocytosis who was successfully treated with zanubrutinib after failure of multiple treatments.

Corresponding Author: Peyton V. Warp, BS, University of Miami Miller School of Medicine, 1600 NW 10th Ave, Miami, FL 33136 (pvw7@med.miami.edu).

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