Abstract
In the incretin system, Glucagon-like peptide-1 (GLP-1) is a hormone that inhibits the release of glucagon and regulates glucose-dependent insulin secretion. In type 2 diabetes, correcting the impaired incretin system using GLP-1 agonist is a well-defined therapeutic strategy. This review article aims to discuss the mechanism of action, key regulatory events, clinical trials for glycaemic control, and comparative analysis of semaglutide with the second-line antidiabetic drugs. Semaglutide is a glucagon-like peptide 1 (GLP-1) receptor agonist with enhanced glycaemic control in diabetes patients. In 2019, USFDA approved the first oral GLP-1 receptor agonist, semaglutide, to be administered as a once-daily tablet. Further, recent studies highlight the ability of semaglutide to improve Glycemic control in obese patients with a reduction in body weight. Still, in clinical practice, in the type 2 DM treatment paradigm, the impact of oral semaglutide remains unidentified. This review article discusses the mechanism of action, pharmacodynamics, key regulatory events, and clinical trials regarding glycaemic control. The review highlights the comparative analysis of semaglutide with the existing second- line drugs for the management of type 2 diabetes mellitus by stressing its benefits and adverse events.
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