Summary
Background
Pyoderma gangrenosum (PG) is a neutrophilic dermatosis with substantial morbidity. Currently, there is no consensus on gold-standard treatments.
Objectives
Our primary objective was to review the effectiveness of systemic therapy for PG.
Methods
We searched Cochrane Central, Cochrane DSR, EMBASE, MEDLINE, PubMed, and Web of Science for 24 systemic therapies for PG. Primary outcomes were complete healing and clinical improvement; secondary outcomes were time-to-healing and adverse effects.
Results
We found 3,326 citations, of which 375 articles underwent full-text review, and 41 studies met inclusion criteria. There were 704 participants amongst 26 retrospective cohort studies, 3 prospective cohort studies, 7 case series, 1 case-control study, 2 open-label trials, and 2 randomized controlled trials (RCT). Systemic corticosteroids were the most studied (n=32 studies), followed by cyclosporine (n=21), biologics (n=16), and oral dapsone (n=11). One RCT (STOP-GAP, n=121) showed that prednisolone and cyclosporine were similar, with 15-20% complete healing at 6-weeks and 47% at 6-months. Another RCT (n=30) found that infliximab was superior to placebo at 2-weeks (46% vs. 6% response), with 21% complete healing rate at 6-weeks. Two uncontrolled trials showed 60% and 37.5% healing in four months with canakinumab and infliximab, respectively; other data suggest that patients with concurrent IBD may benefit from biologics. The remaining studies were of poor quality and small sample sizes, though supported the use of corticosteroids, cyclosporine, and biologics.
Conclusions
Systemic corticosteroids, cyclosporine, infliximab, and canakinumab had the most evidence in treating PG. However, current literature is limited to small and lower-quality studies with substantial heterogeneity.
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from #ORL-AlexandrosSfakianakis via ola Kala on Inoreader http://ift.tt/2CnhSk2
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