Journal
JOURNAL OF PAIN RESEARCH
Volume 13, Issue -, Pages 1699-1711Publisher
DOVE MEDICAL PRESS LTD
DOI: 10.2147/JPR.S210715
Keywords
knee; osteoarthritis; PRP; PRP-derived growth factor; hyaluronic acid; intra-articular injections
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Objective: In this study, we aimed at performing a comparison between intra-articular injections of PRP-derived growth factor (PGRF) and hyaluronic acid regarding their effect on pain and patient's function in knee osteoarthritis, as well as their safety profiles. Methods: During our single-masked randomized clinical trial, the candidates with symptomatic knee osteoarthritis received two intra-articular injections of PRGF with 3 weeks apart or received three weekly injections of HA. The mean improvements from before treatment until the second, sixth, and twelfth months post-intervention in scores obtained by visual analog scale (VAS), Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC), and Lequesne index were our primary outcomes. Results: A total of 102 candidates were finally included in the study. Patients' mean age was 57.08 +/- 7.3 years old in the PRGF group compared to the mean age of 58.63 +/- 7.09 years old in HA patients. In the PRGF group, total WOMAC index decreased from 41.96 +/- 11.71 to 27.10 +/- 12.3 (P = 0.02), and from 39.71 +/- 10.4 to 32.41 +/- 11.8 in the HA group after 12 months (P > 0.05). Regarding the Lequesne index, pain, ADL, and global scores significantly decreased after 12 months in the PRGF group compared to the HA group (P<0.001). There was also a meaningful higher rate of satisfaction in the PRGF group compared to the HA group after 12 months of treatment (P<0.001). Conclusion: Besides significantly higher satisfaction belonging to the PRGF group, there was a statistically significant improvement in VAS score and global, pain, and ADL score of Lequesne by passing 12 months from injection in PRGF compared to HA.
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