GLP1R and type 2 diabetes mellitus: In 2023, Juan P Frias and colleagues, in The Lancet, published the first phase two clinical trial of orforglipron, which investigated the use of a small-molecule oral GLP-1R agonist called orforglipron in type 2 diabetes, which can be taken at any time of the day without restrictions on food and water intake (Frias et al., 2023).