Journal
ADVANCES IN THERAPY
Volume 39, Issue 11, Pages 4892-4909Publisher
SPRINGER
DOI: 10.1007/s12325-022-02298-9
Keywords
Dysmenorrhea; Low-dose estrogen-progestins; Meta-analysis; Progestins; Systematic review
Funding
- Mochida Pharmaceutical Co., Ltd.
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This study confirmed the effectiveness of low-dose estrogen-progestins and dienogest for primary and secondary dysmenorrhea. Continuous progestin regimens may be more effective than cyclic regimens in improving outcomes according to the results of meta-analysis and network meta-analysis.
Introduction Although several studies suggest beneficial effects of low-dose estrogen-progestins (LEPs) and progestins on dysmenorrhea in Japanese women, the difference in efficacy between drugs remains unknown. Methods We identified studies by searching the MEDLINE, Cochrane Library, and ICHUSHI databases and included randomized controlled trials (RCTs) that used total dysmenorrhea score and visual analogue scale (VAS) as outcome measures to evaluate LEPs and progestins for primary and secondary dysmenorrhea. We analyzed results by meta-analysis and network meta-analysis (NMA). Results We identified 10 articles on eight RCTs and included seven drugs (six LEPs and one progestin, i.e., dienogest) and placebo in the analysis. Meta-analysis showed improvements in total dysmenorrhea score and VAS for almost all drugs compared with placebo. In NMA, VAS in secondary dysmenorrhea improved more with dienogest than with norethisterone/ethinylestradiol (mean difference - 25.84 [95% CrI - 44.46 to - 7.15]). In the comparison of administration regimens, VAS improved more with progestin-continuous than LEP-cyclic and the surface under the cumulative ranking (SUCRA) of LEP-extended and progestin-continuous appeared to be higher than that of LEP-cyclic. Conclusions We confirmed that LEPs and dienogest are effective for primary and secondary dysmenorrhea and suggest that continuous regimens may be more effective than cyclic regimens in improving outcomes.
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