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The efficacy of bleomycin for treating keloid and hypertrophic scar: A systematic review and meta‐analysis
Author(s) -
Kim Woo Il,
Kim Sooyoung,
Cho Sung Woo,
Cho Moon Kyun
Publication year - 2020
Publication title -
journal of cosmetic dermatology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.626
H-Index - 44
eISSN - 1473-2165
pISSN - 1473-2130
DOI - 10.1111/jocd.13390
Subject(s) - medicine , bleomycin , hypertrophic scar , keloid , triamcinolone acetonide , meta analysis , erythema , randomized controlled trial , dermatology , itching , surgery , chemotherapy
Abstract Background Pathologic scars can lead to itching, erythema, and psychological stress due to cosmetic problems. Bleomycin, one of anticancer agents, has been used for treating keloid or hypertrophic scar. Some studies have shown that bleomycin can induce markedly scar improvement. Aims To evaluate the efficacy of bleomycin compared to corticosteroid as well as other treatments for keloid or hypertrophic scar using meta‐analysis methods. Methods A computerized search was performed in different databases including Cochrane, Embase, and PubMed. Three randomized controlled trials (RCTs) and two controlled clinical trials (CCTs) were included. Then, statistical analyses of extracted outcome data from the studies were calculated using Rex (version 3.0.1; RexSoft Inc). Results Scar improvement was significantly increased in the bleomycin group compared to the triamcinolone acetonide (TAC) group (SMD: 0.59, 95% CI: 0.30‐0.88, P  < .0001). In addition, there was also statistically significant difference between the bleomycin group and the 5‐FU group (SMD: 1.37, 95% CI: 0.88‐1.85, P  < .0001). Bleomycin increased relatively scar improvement compared to TAC combined with 5‐FU, although there was no statistical difference (SMD: 0.63, 95% CI: −0.59‐1.84, P  = .3108). Furthermore, bleomycin demonstrated significantly increased improvement of scar compared to TAC combined with cryotherapy (SMD: 1.11, 95% CI: 0.48‐1.74, P  = .0006). Conclusions This meta‐analysis found that bleomycin was more effective for treating keloid or hypertrophic scar than other treatments including TAC, 5‐FU, TAC combined with 5‐FU, and TAC combined with cryotherapy. However, further comprehensive studies, including randomized controlled trials, are needed to perform objective analysis.

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