• Evan W Piette, Kristen P Foering, Aileen Y Chang, Joyce Okawa, Thomas R Ten Have, Rui Feng, and Victoria P Werth.
• Philadelphia VA Medical Center, Philadelphia, PA, USA.
• Arch Dermatol. 2012 Mar 1; 148 (3): 317-22.

ObjectiveTo investigate cigarette smoking in cutaneous lupus erythematosus (CLE).DesignProspective longitudinal cohort study.SettingUrban cutaneous autoimmune disease clinic.ParticipantsA total of 218 individuals with CLE or systemic lupus erythematosus and lupus nonspecific skin disease seen between January 5, 2007, and July 30, 2010.Main Outcome MeasuresCutaneous Lupus Erythematosus Disease Area and Severity Index (CLASI) scores to assess disease severity and response to treatment and Skindex 29+3 scores to assess patient quality of life.ResultsCurrent smokers with lupus erythematosus had higher median CLASI scores (9.5) than did never (7.0) and past (6.0) smokers with CLE (P = .02). Current smokers had higher median scores on all the Skindex 29+3 subsets. Current smokers taking hydroxychloroquine sulfate had higher quinacrine hydrochloride use than did nonsmokers (P = .04). Two to 7 months after enrollment, current smokers (median CLASI change, -3) treated with only antimalarial agents improved more than never (1) and past (0) smokers (P = .02). Eight months or more after enrollment, current smokers (CLASI change, 3.5) treated with antimalarial drugs plus at least 1 additional immunomodulator improved less than never (-1.5) and past (0) smokers (P = .04).ConclusionsCurrent smokers with lupus erythematosus had worse disease, had worse quality of life, and were more often treated with a combination of hydroxychloroquine and quinacrine than were nonsmokers. Never and past smokers showed greater improvement when treated with antimalarial agents plus at least 1 additional immunomodulator. Current smokers had greater improvement when treated with antimalarial drugs only.

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