Indian Journal of Dermatology
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Year : 2020  |  Volume : 65  |  Issue : 1  |  Page : 38-41

Therapeutic efficacy of the combination therapy of corticosteroids and 5-aminosalicylic acid for treatment of pyoderma gangrenosum with ulcerative colitis

1 Department of Dermatovenereology, West China Hospital, Sichuan University, Chengdu, China
2 Wound Therapy Center, West China Hospital, Sichuan University, Chengdu, China

Correspondence Address:
Li Li
Department of Dermatovenereology, West China Hospital, Sichuan University, Chengdu, 610041
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/ijd.IJD_505_18

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Background: Pyoderma gangrenosum (PG) in inflammatory bowel disease (IBD) is a rare cutaneous condition and its treatment remains controversial due to limited data. Aims and Objectives: The purpose of this study was to investigate the characteristics and treatment response to specific therapies of IBD-associated PG. Methods: In this retrospective study, we reviewed a series of cases of IBD-associated PG patients who presented at our institution, and collected clinical data, such as demographics, characteristics, subtype, and disease activity of IBD and specific therapies used and their treatment response. Results: In total, 42 cases were identified: 69% female and 92.9% with ulcerative colitis (UC). At PG diagnosis, 93% had active and 7% inactive IBD. PG ulcers occurred predominantly on the legs (33.3%); 14.3% had multiple lesions. In total, 20/39 UC patients received the combination therapy of systemic corticosteroids and 5-aminosalicylic acid (5-ASA) with a good response in 19 patients (95%). Seven patients received the monotherapy of 5-ASA with a response rate of 43%. Five patients were successfully treated with systemic corticosteroids alone. Other patients were treated with intravenous immunoglobulin, infliximab, or cyclophosphamide alone or in combination with corticosteroids and all showed a good response. Conclusion: Our study indicates the therapeutic efficacy of corticosteroids in combination with 5-ASA, which may be considered as the first-line therapy for UC-associated PG.

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