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DA5221-B2 is an investigational drug developed by Dong-A ST, currently in clinical development as part of combination therapy for type 2 diabetes. It is described as a DPP-4 inhibitor, intended to improve glycemic control in patients with type 2 diabetes who have inadequate blood glucose control on other therapies. DA5221-B2 is being studied in combination with other agents such as the SGLT-2 inhibitor DA5221-T and another component, DA5221-B1. The mechanism of action involves inhibition of dipeptidyl peptidase-4 (DPP-4), which increases incretin levels and thereby enhances insulin secretion and suppresses glucagon release.
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