• Wenchun Qu, Zhen Wang, Christine Hunt, Allison S Morrow, Meritxell Urtecho, Mustapha Amin, Sahrish Shah, Bashar Hasan, Rami Abd-Rabu, Zack Ashmore, Eva Kubrova, Larry J Prokop, and Mohammad Hassan Murad.
• Mayo Clinic Evidence-based Practice Center, Mayo Clinic, Rochester, MN; Department of Pain Medicine, Mayo Clinic, Jacksonville, FL.
• Mayo Clin. Proc. 2021 Sep 1; 96 (9): 2407-2417.

ObjectiveTo evaluate the effectiveness and adverse events of autologous platelet-rich plasma (PRP) in individuals with lower-extremity diabetic ulcers, lower-extremity venous ulcers, and pressure ulcers.Patients And MethodsWe searched multiple databases from database inception to June 11, 2020, for randomized controlled trials and observational studies that compared PRP to any other wound care without PRP in adults with lower-extremity diabetic ulcers, lower-extremity venous ulcers, and pressure ulcers.ResultsWe included 20 randomized controlled trials and five observational studies. Compared with management without PRP, PRP therapy significantly increased complete wound closure in lower-extremity diabetic ulcers (relative risk, 1.20; 95% CI, 1.09 to 1.32, moderate strength of evidence [SOE]), shortened time to complete wound closure, and reduced wound area and depth (low SOE). No significant changes were found in terms of wound infection, amputation, wound recurrence, or hospitalization. In patients with lower-extremity venous ulcers or pressure ulcers, the SOE was insufficient to estimate an effect on critical outcomes, such as complete wound closure or time to complete wound closure. There was no statistically significant difference in adverse events.ConclusionAutologous PRP may increase complete wound closure, shorten healing time, and reduce wound size in individuals with lower-extremity diabetic ulcers. The evidence is insufficient to estimate an effect on wound healing in individuals with lower-extremity venous ulcers or pressure ulcers.Trial RegistrationPROSPERO Identifier: CRD42020172817.Copyright © 2021 Mayo Foundation for Medical Education and Research. All rights reserved.

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