Annals of palliative medicine · 2021
Effectiveness and safety of aspirin combined with letrozole in the treatment of polycystic ovary syndrome: a systematic review and meta-analysis.
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Yu Qinjian, Wang Zhihui, Su Fangfang, Wang Mianmian
Аннотация
BACKGROUND: Meta-analysis was used to evaluate the efficacy and safety of aspirin combined with letrozole in the treatment of polycystic ovary syndrome (PCOS).
METHODS: Through comprehensive searches of the China Knowledge Network (CNKI), the VIP database (VIP), the Wanfang database, the China Biomedical Database (CBM), PubMed, EMBASE, and the Cochrane Library, the clinical randomized controlled trials (RCTs) published on aspirin combined with letrozole in the treatment of PCOS were collected. According to the inclusion and exclusion criteria, the included studies were screened and quality evaluated, and RevMan 5.3 software was used for meta-analysis.
RESULTS: A total of 10 RCTs and 948 patients with PCOS were included. Meta-analysis results showed that compared with letrozole monotherapy, aspirin combined with letrozole could significantly increase the thickness of the endometrium [MD=1.98, 95% CI: 1.63-2.34, P<0.00001], cervical mucus scores (MD =1.65, 95% CI: 1.32-1.98, P<0.00001), the ovulation rate (OR=3.50, 95% CI: 2.08-5.91, P<0.00001), the number of mature follicles (MD=0.65, 95% CI: 0.51-0.78, P<0.00001), and the pregnancy rate (OR=3.06, 95% CI: 2.28-4.12, P<0.00001), and significantly reduced the abortion rate (OR=0.20, 95% CI: 0.11-0.38, P<0.00001). There was no statistically significant difference in the incidence of adverse reactions between the 2 groups (OR=0.76, 95% CI: 0.44-1.32, P=0.33).
CONCLUSIONS: Aspirin combined with letrozole in the treatment of PCOS is safe and effective. Due to the limitations in the number and quality of the included studies, further verification with multi-center, large-sample, high-quality RCTs is still needed.
METHODS: Through comprehensive searches of the China Knowledge Network (CNKI), the VIP database (VIP), the Wanfang database, the China Biomedical Database (CBM), PubMed, EMBASE, and the Cochrane Library, the clinical randomized controlled trials (RCTs) published on aspirin combined with letrozole in the treatment of PCOS were collected. According to the inclusion and exclusion criteria, the included studies were screened and quality evaluated, and RevMan 5.3 software was used for meta-analysis.
RESULTS: A total of 10 RCTs and 948 patients with PCOS were included. Meta-analysis results showed that compared with letrozole monotherapy, aspirin combined with letrozole could significantly increase the thickness of the endometrium [MD=1.98, 95% CI: 1.63-2.34, P<0.00001], cervical mucus scores (MD =1.65, 95% CI: 1.32-1.98, P<0.00001), the ovulation rate (OR=3.50, 95% CI: 2.08-5.91, P<0.00001), the number of mature follicles (MD=0.65, 95% CI: 0.51-0.78, P<0.00001), and the pregnancy rate (OR=3.06, 95% CI: 2.28-4.12, P<0.00001), and significantly reduced the abortion rate (OR=0.20, 95% CI: 0.11-0.38, P<0.00001). There was no statistically significant difference in the incidence of adverse reactions between the 2 groups (OR=0.76, 95% CI: 0.44-1.32, P=0.33).
CONCLUSIONS: Aspirin combined with letrozole in the treatment of PCOS is safe and effective. Due to the limitations in the number and quality of the included studies, further verification with multi-center, large-sample, high-quality RCTs is still needed.