Efficacy and Safety of Oral Semaglutide in Type 2 Diabetes Mellitus: a systematic review and meta-analysis

Link to article at PubMed

Diabetes Res Clin Pract. 2023 Mar 3:110605. doi: 10.1016/j.diabres.2023.110605. Online ahead of print.

ABSTRACT

OBJECTIVES: To investigate the efficacy and safety of oral semaglutide 7 and 14 mg, the only orally delivered glucagon-like peptide-1 (GLP-1) receptor agonist tablet approved for type 2 diabetes mellitus (T2DM) patients METHODS: Search several databases for randomized controlled trials (RCTs) of oral semaglutide in patients with T2DM from inception through May 31, 2021. The primary outcomes included change from baseline in hemoglobin A1c (HbA1c) and body weight. Risk ratios (RR), mean differences (MD), and 95% confidence intervals (CI) were calculated to evaluate the outcomes.

RESULTS: This meta-analysis included 11 RCTs with a total of 9821 patients. Compared with placebo, semaglutide 7 and 14 mg reduced HbA1c by 1.06% (95% CI, 0.81-1.30) and 1.10% (95% CI, 0.88-1.31), respectively. While in comparison with other antidiabetic agents, semaglutide 7 and 14 mg reduced HbA1c by 0.26% (95% CI, 0.15-0.38) and 0.38% (95%CI, 0.31-0.45). Both doses of semaglutide could significantly reduce body weight. Semaglutide 14 mg did increase the incidence of medication discontinuation and gastrointestinal events (nausea, vomiting and diarrhea).

CONCLUSION: Once-daily semaglutide 7 and 14 mg can significantly lowered HbA1c and body weight in patients with T2DM, and this effect increases with dose. Significantly, more gastrointestinal events occurred with semaglutide 14 mg.

PMID:36871874 | DOI:10.1016/j.diabres.2023.110605

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