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Homogeneous Time-resolved Förster Resonance Energy Transfer-based Assay for Detection of Insulin Secretion
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Discovery and Evaluation of DA-302168S as an Efficacious Oral Small-Molecule Glucagon-Like Peptide-1 Receptor Agonist
Guangxin Dong1, Qijun Ye1, Wenwen Li1
1Chengdu DIAO Pharmaceutical Group Co., Ltd., Chengdu 610041, China.
Abstract:
Glucagon-like peptide-1 receptor (GLP-1R) holds pivotal importance as a therapeutic target for type 2 diabetes (T2D) and obesity. Several oral small-molecule agonists targeting GLP-1R have been developed to date. Nevertheless, these agonists suffer from several limitations, including low potency, poor pharmacokinetics, and unfavorable safety profiles. Here, we report the discovery of compound 29 (DA-302168S), which exhibits higher potency both in vitro/in vivo while mitigating the risk of drug-drug interaction compared to other reported candidate compounds. Preclinical studies show full efficacy in cAMP activation, glucose reduction, and appetite suppression. Safety assessments reveal minimal risks with hERG IC50 > 30 μM and no significant off-target toxicity. Its favorable pharmacokinetics support once-daily oral dosing, improving patient compliance. These findings suggest that compound 29 offers a promising therapeutic option for the management of T2D and obesity. Notably, it has successfully completed phase I clinical trials and is currently undergoing phase II clinical trials.
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