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A phase 2 randomized, placebo-controlled crossover trial to evaluate safety and efficacy of platelet-rich plasma injections for Peyronie’s disease: clinical trial update
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A phase 2 randomized, placebo-controlled crossover trial to evaluate safety and efficacy of platelet-rich plasma injections for Peyronie’s disease: clinical trial update
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Journal Article
A phase 2 randomized, placebo-controlled crossover trial to evaluate safety and efficacy of platelet-rich plasma injections for Peyronie’s disease: clinical trial update
2024
Overview
Peyronie’s Disease (PD) is characterized by fibrotic plaques in the penile tunica albuginea, causing curvature and painful erections. Current treatments have limited established efficacy. Platelet-Rich Plasma (PRP), known for modulating inflammation, offers a potential alternative. This randomized, placebo-controlled, crossover study at the University of Miami assesses PRP’s safety and efficacy for PD. Forty-one PD patients were randomized into PRP-placebo (Group A) and placebo-PRP (Group B) sequences, receiving two injections of each treatment over three months, with a crossover to receive two injections of alternate treatment over the next three months. Assessments include pain scale, goniometry, questionnaires, and curvature evaluations. Preliminary analysis of 28 patients shows that PRP is safe. There were no adverse events, including penile complications, during follow-up. Pain scores during treatments showed no significant difference between PRP and placebo (
p
= 0.52). Over six months, the PRP-Placebo group’s median PDQ score decreased from 1.9 (IQR: 1.7–2.9) to 1.4 (IQR: 0.7–2.1). This change was not statistically significant (
p
= 0.098). In contrast, the Placebo-PRP group showed a significant reduction from 1.8 (IQR: 1.4–2.6) to 1.2 (IQR: 1.0–2.0) (
p
= 0.020). No significant changes in IIEF scores were observed. Both groups initially had a median penile curvature of 40 degrees. At 3 months, the PRP-Placebo group’s curvature decreased to 38 degrees (IQR: 35–47.5), while the Placebo-PRP group decreased to 35 degrees (IQR: 30–60). At 6 months, the PRP-Placebo group showed a significant reduction to 25 degrees (IQR: 20–40,
p
= 0.047), while the Placebo-PRP group’s reduction to 32.5 degrees (IQR: 20–50) was not significant (
p
= 0.490). These early results indicate a delayed PRP effect, prompting further investigation into its long-term impacts. Although limited by sample size, this study suggests PRP injections as a safe treatment for PD, with ongoing research aiming to clarify its therapeutic value.
Publisher
Nature Publishing Group UK,Nature Publishing Group
Subject
/ Adult
/ Aged
/ Humans
/ Male
/ Medicine
/ Penile Erection - drug effects
/ Penile Induration - drug therapy
/ Penis
/ rology
/ Urology
