Intra-articular Injection of Platelet-Rich Plasma Versus Placebo in Patients with Knee Osteoarthritis: A Systematic Review and Meta-Analysis of Randomized Controlled Trials
We conducted a systematic review and meta-analysis to examine up-to-date evidence to determine the efficacy and safety of intra-articular injection of platelet-rich plasma, relative to placebo, in patients with knee osteoarthritis.