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Published in: Advances in Therapy 11/2022

Open Access 01-09-2022 | Ethinylestradiol | Review

Efficacy of Low-Dose Estrogen–Progestins and Progestins in Japanese Women with Dysmenorrhea: A Systematic Review and Network Meta-analysis

Authors: Masaru Iwata, Yoshihiro Oikawa, Yutaka Shimizu, Naotaka Sakashita, Ayako Shoji, Ataru Igarashi, Yutaka Osuga

Published in: Advances in Therapy | Issue 11/2022

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Abstract

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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Metadata
Title
Efficacy of Low-Dose Estrogen–Progestins and Progestins in Japanese Women with Dysmenorrhea: A Systematic Review and Network Meta-analysis
Authors
Masaru Iwata
Yoshihiro Oikawa
Yutaka Shimizu
Naotaka Sakashita
Ayako Shoji
Ataru Igarashi
Yutaka Osuga
Publication date
01-09-2022
Publisher
Springer Healthcare
Published in
Advances in Therapy / Issue 11/2022
Print ISSN: 0741-238X
Electronic ISSN: 1865-8652
DOI
https://doi.org/10.1007/s12325-022-02298-9

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