RETRACTED: Effect of Curcumin on Dysmenorrhea and Symptoms of Premenstrual Syndrome: A Systematic Review and Meta-Analysis (Retracted article. See vol. 46, pg. 124, 2025)

Background: Dysmenorrhea and premenstrual syndrome (PMS) are common periodic and frequent complications in women of reproductive age that can negatively affect health and quality of life. The present study examined the effects of curcumin on the severity of dysmenorrhea and PMS symptoms. Methods: A systematic review and meta -analysis of randomized controlled trials was conducted by searching databases such as the Cochrane Library, EMBASE, Scopus, PubMed, and Web of Science from inception to January 2023. Article screening was performed using Endnote ver. X8 (Clarivate). Review Manager (RevMan ver. 5.3; Cochrane) was used for the quality assessment and meta -analysis. A total of 147 studies were screened, of which five were finally selected for quantitative and qualitative analyses. The studies were conducted between 2015 and 2021, and a total of 379 participants with a mean age of 23.33 +/- 5.54 years had been recruited in these studies. Results: The meta -analysis showed that curcumin consumption could significantly reduce the severity of dysmenorrhea (mean difference, -1.25; 95% confidence interval [CI], -1.52 to -0.98; three studies; I 2 =31%) and the overall score of PMS (standardized mean difference, -1.41; 95% CI, -1.81 to -1.02; two studies; I 2 =0%). Conclusion: The reduction in the severity of PMS and dysmenorrhea has been attributed to curcumin's anti-inflammatory and antidepressant activities. Although the findings suggest that curcumin may be an effective treatment for reducing the severity of PMS and dysmenorrhea, further research with a larger number of participants from various socioeconomic levels and a longer duration of treatment is needed to evaluate the effective dose of curcumin.