| Summary: | Objective Platelet-rich plasma (PRP) is a novel treatment option for vitiligo. PRP has been reported to be effective in combination with 308-nm excimer laser therapy, but there is no consensus on their combination use. Therefore, this meta-analysis assessed the efficacy and safety of the combination regimen in patients with vitiligo compared with laser therapy alone. Methods The meta-analysis was performed by searching PubMed, EMBASE, Web of Science, Cochrane Library, Chinese National Knowledge Infrastructure, and WanFang to identify relevant publications published through 1 February 2022. Results Six studies involving 302 patients were included. Compared with phototherapy alone, combination treatment with PRP and 308-nm excimer laser therapy significantly improved the total response rate and reduced the no response rate. Additionally, the proportions of patients with repigmentation rates of ≥75%, ≥50%, and ≥25% were significantly higher in the combination group than in the monotherapy group. In addition, the rates of adverse events for combination therapy were comparable to those for laser therapy alone, and the recurrence rates were low. Conclusions This meta-analysis provided evidence supporting the combined use of PRP and 308-nm excimer laser therapy as a valuable treatment modality for patients with vitiligo based on its superiority to monotherapy.
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