Research Letter

Risk of Acne in Patients With Atopic Dermatitis Starting a JAK Inhibitor vs Th2 Cytokine Inhibitor

JAMA Dermatology 10.1001/jamadermatol.2025.5443

January 21, 2026 at 11:00 AM EST

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This cohort study evaluates the risk of acne in adult patients with atopic dermatitis who started treatment with Janus kinase inhibitors compared with Th2 cytokine inhibitors.

Corresponding Author: Maria C. Schneeweiss, MD, Division of Pharmacoepidemiology, Department of Medicine and Department of Dermatology, Brigham and Women’s Hospital and Harvard Medical School, 1 Brigham Cir, Boston, MA 02120 (mschneeweiss@bwh.harvard.edu).

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