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DPP-4 inhibitors and GLP-1. Inhibitors of dipeptidyl peptidase 4 (DPP-4 inhibitors or gliptins) are a class of oral hypoglycemics that block the enzyme dipeptidyl peptidase-4 (DPP-4). They can be used to treat diabetes mellitus type 2. The first agent of the class – sitagliptin – was approved by the FDA in 2006. [1]
One of the first reported DPP-4 inhibitor was P32/98 from Merck. It used thiazolidide as the P1-substitute and was the first DPP-4 inhibitor that showed effects in both animals and humans but it was not developed to a market drug due to side effects. Another old inhibitor is DPP-728 from Novartis, where 2-cyanopyrrolidine is used as the P1 ...
Another class of anti-diabetes drugs, DPP-4 inhibitors, work by reducing the breakdown of endogenous GLP-1, and are generally considered less potent than GLP-1 agonists. [3] Some of the metabolic effects of GLP-1 agonists in rodents are mediated via increased synthesis of fibroblast growth factor 21 ( FGF21 ).
The first medication in this class, sitagliptin, received FDA approval in 2006 for the treatment of type 2 diabetes mellitus. The GLP-1 analogs principally act as agonists of the GLP-1 receptor and are thus insulinotropic. Exenatide was the first drug in this class to be used in the treatment of type 2 diabetes; it first received FDA approval ...
According to research by the Kaiser Family Foundation, about 1 in 8 adults in the U.S. has taken a GLP-1 drug to treat diabetes, promote weight loss or prevent heart attacks or strokes (in those ...
To overcome this, GLP-1 receptor agonists and DPP-4 inhibitors have been developed to increase GLP-1 activity. As opposed to common treatment agents such as insulin and sulphonylureas, GLP-1-based treatment has been associated with weight loss and a lower risk of hypoglycemia, two important considerations for patients with type 2 diabetes.
They can be prescribed alongside other oral antidiabetic medications, such as metformin or sulfonylureas, to provide additional glycemic control and improve overall treatment outcomes. Different GLP-1 receptor agonists go through inactivation by dipeptidyl peptidase-4 (DPP-4) enzymes (The clinical use of GLP-1 is hampered by its short-half life ...
GLP-1 analogs resulted in weight loss and had more gastrointestinal side-effects, while in general dipeptidyl peptidase-4 (DPP-4) inhibitors were weight-neutral and are associated with increased risk for infection and headache. Both classes appear to present an alternative to other antidiabetic drugs.