• Sharon E Jacob, Robyn S Weisman, and Francisco A Kerdel.
• Department of Dermatology and Cutaneous Surgery, University of Miami School of Medicine, and Florida Academic Dermatology Center, Miami, Florida, USA.
• Int. J. Dermatol. 2008 Feb 1; 47 (2): 192-4.

BackgroundPyoderma gangrenosum (PG) is a rare neutrophilic, ulcerating dermatosis that is frequently difficult to diagnose and often a diagnosis of exclusion. It is hypothesized that PG may be caused by an abnormal T-cell and neutrophil response, which correlates with its common link to other disorders, such as inflammatory bowel disease, rheumatoid arthritis, and malignancies. Several treatments have been used successfully for PG, but none has proven to be universally effective.MethodsWe present three cases of PG treated with adalimumab after failed courses of steroids (orally and parenterally), thalidomide, cyclosporine, and mycophenolate mofetil.ResultsPatients 2 and 3, who had previously responded to infliximab, albeit with recurrence, were successfully treated with adalimumab at a dose of 40 mg once a week. Patient 1 initially responded to adalimumab, but after 7.5 months failed to show wound bed improvement at a dose of 80 mg/week subcutaneously. This patient had not previously been treated with infliximab.ConclusionWe believe adalimumab to be a valuable alternative for the treatment of PG, with comparable efficacy to infliximab.

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