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Erschienen in:
12.06.2023 | Maternal-Fetal Medicine
Inositol supplementation for the prevention and treatment of gestational diabetes mellitus: a meta-analysis of randomized controlled trials
Erschienen in: Archives of Gynecology and Obstetrics | Ausgabe 5/2024
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Background
Inositol is a potential new therapeutic agent for gestational diabetes mellitus (GDM), but its effectiveness is still controversial. The aim of the report was to evaluate the effectiveness of inositol to preventing or reducing the severity of GDM.
Methods
We searched PubMed, EmBase, Web of science, Cochrane library databases, Clinicaltrials.gov, and International Clinical Trials Registry Platform for randomized controlled trials (RCTs) assessing the effectiveness of inositol supplementation to prevent and treat GDM. This meta-analysis was performed using the random-effects model.
Results
A total of 7 RCTs (1319 pregnant women at high risk of GDM) were included in the meta-analysis. The meta-analysis found that inositol supplementation resulted in a significantly lower incidence of GDM in the inositol versus the control group (odds ratio [OR] 0.40; 95% confidence interval [CI] 0.24–0.67; P = 0.0005). The inositol group had improved fasting glucose oral glucose tolerance test (FG OGTT; mean difference [MD] = − 3.20; 95% CI − 4.45 to − 1.95; P < 0.00001), 1-h OGTT (MD = − 7.24; 95% CI − 12.23 to − 2.25; P = 0.004), and 2-h OGTT (MD = − 7.15; 95% CI − 12.86 to − 1.44; P = 0.01) results. Inositol also reduced the risk of pregnancy-induced hypertension (OR 0.37; 95% CI 0.18–0.75; P = 0.006) and preterm birth (OR 0.35; 95% CI 0.18–0.69; P = 0.003). A meta-analysis of 4 RCTs including 320 GDM patients showed that the patients' insulin resistance (P < 0.05) and neonatal hypoglycemia risk (OR 0.10, 95% CI 0.01–0.88; P = 0.04) were lower in the inositol than in the control group.
Conclusions
Inositol supplementation during pregnancy has the potential to prevent GDM, improve glycemic control, and reduce preterm birth rates.