Abbreviations:
Area under the curve, AUC; Cytochrome P450, CYP450;
Dipeptidylpeptidase-4, DPP-4; European Medicines Agency, EMA; GLP-1,
glucagon-like peptide-1; GLP-1 receptor agonists, GLP-1 RAs; GIP,
glucose-dependent insulinotropic polypeptide; Korea Food and Drug
Administration, KFDA; Maximum concentration, Cmax; New
Drug Application, NDA; Pharmaceuticals and Medical Devices Agency, PMDA;
Structure–activity relationship, SAR; Trough plasma concentrations,
Ctrough; Time to peak, tmax; Type 1
diabetes mellitus, T1DM; Type 2 diabetes mellitus, T2DM; U.S. Food and
Drug Administration, FDA.