Injectable Antihyperglycemic Drugs Injectable antihyperglycemic drugs other than insulin are the glucagon - like peptide-1 (GLP-1) receptor agonists, dual glucose-dependent insulinotropic polypeptide (GIP) and glucagon - like peptide-1 (GLP-1) receptor agonist (dual incretin agonists), and the amylin analog, pramlintide (see table Characteristics of Injectable Non-InsulinAntihyperglycemic Drugs).