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Horm Metab Res 2025; 57(03): 189-198
DOI: 10.1055/a-2531-9363
Original Article: Endocrine Care

The Effect of 17β-Estradiol Plus Norethisterone Acetate on Estradiol, Testosterone, IGF-1 and SHBG in Postmenopausal Women: A Meta-Analysis of Randomized Controlled Trials

Zhao Qian
1   Department of Stomatology, ChongQing Hospital of PAP, Chongqing, China
,
Periyannan Velu
2   Galileovasan Offshore and Research and Development Pvt. Ltd., Nagapattinam, India (Ringgold ID: RIN29884)
,
Kousalya Prabahar
3   Faculty of Pharmacy, University of Tabouk, Tabuk, Saudi Arabia (Ringgold ID: RIN125900)
,
Benjamin Hernández-Wolters
4   Medicine, University of Guadalajara, Guadalajara, Mexico (Ringgold ID: RIN27802)
,
Qin Ding Zhi
1   Department of Stomatology, ChongQing Hospital of PAP, Chongqing, China
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Abstract

We conducted this meta-analysis of randomized controlled trials (RCTs) with the aim of assessing the effect of 17β-estradiol plus norethisterone acetate on estradiol, testosterone, IGF-1, and SHBG in postmenopausal women. To our knowledge, this is the first meta-analysis of RCTs to assess these effects. Databases including the Web of Science, PubMed/Medline, Scopus, and EMBASE were searched to identify publications up to July 2024. The results were reported as weighted mean difference (WMD) and 95% confidence intervals (CI) generated by using a random-effects model according to the Der-Simonian–Laird model. Fifteen publications were included in current meta-analysis. Overall results from the random-effects model manifested a significant increase in estradiol (WMD: 55.30 pg/ml, 95% CI: 39.32, 7128, p<0.001) and SHBG (WMD: 18.48 nmol/l, 95% CI: 3.64, 33.33, p=0.015) levels, a significant decrease in FSH (WMD: –41.55 IU/l, 95% CI: –53.17, –29.92, p<0.001) and testosterone (WMD: –4.29 ng/dl, 95% CI: –5.38, –3.21, p=0.000) levels, and a non-significant decrease in IGF-1 levels (WMD: –9.70 μg/l, 95% CI: –34.21, 14.80, p=0.438) after treatment with 17β-estradiol plus norethisterone acetate on postmenopausal women. In conclusion, 17β-estradiol plus norethisterone acetate in postmenopausal women increases estradiol and SHBG concentrations and decreases FSH and testosterone concentrations, with no statistically significant effect on IGF-1.

Keywords

estradiol - pituitary - FSH - testosterone - cancer - IGF-1 - 17β-estradiol plus norethisterone acetate - SHBG

Supplementary Material



Publikationsverlauf

Eingereicht: 26. Oktober 2024

Angenommen nach Revision: 23. Januar 2025

Artikel online veröffentlicht:
06. März 2025

© 2025. Thieme. All rights reserved.

Georg Thieme Verlag KG
Oswald-Hesse-Straße 50, 70469 Stuttgart, Germany

 

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