Proton Pump Inhibitor Induced Subacute Cutaneous Lupus Erythematosus: A Case Series of 7 Patients and Brief Review of Literature
Abstract
Background: Subacute cutaneous lupus erythematosus (SCLE) manifests with erythematous, nonscarring, annular, or papulosquamous plaques. Proton pump inhibitors (PPIs) are increasingly being incriminated in its causation, but reports of similar nature from India are lacking.
Aims: To describe the characteristics of seven patients with SCLE induced by PPIs and to review the published cases in order to provide a better perspective of the association.
Materials and methods: We describe seven patients of PPI-induced SCLE, seen over a period of 6 years. We also review the literature for additional data on PPI-induced SCLE. The selected publications were reviewed, and relevant clinical and laboratory data were extracted.
Results: Of the total seven cases, there were four males and three females with a mean age of 60.2 ± 5.5 years (range 53-70 years). Nine episodes of PPI-induced SCLE were recorded in the seven patients. Of the initial episodes, esomeprazole was implicated in four, pantoprazole in two, and rabeprazole in one patient. Latency period ranged from 2 weeks to 1 year (mean 11.4 ± 16.2 weeks). Morphology was described as annular scaly plaques in six and papulosquamous in one. Antinuclear antibodies and anti-Ro antibodies were positive in all patients. Naranjo probability scale was used in all patients; two were categorized as definite and five as probable. Treatments included drug withdrawal in six patients, topical steroids in one, systemic corticosteroids in all seven,…
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Evidence Hub reads this as a case series, done in people. Its evidence level is 5 of 5 (Very low · case / narrative / animal / in vitro / in silico). Case reports, narrative reviews, and animal, cell or computer-model studies give the weakest evidence for human health.
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