New uses for phenylketone carboxylate compounds and substituted aromatic compounds of Formula I, Formula I, IA, IB and IC, and their pharmaceutical acceptable salts are described for prevention or treatment of diabetes or a diabetes-related disorder in a subject in need thereof. Diabetes and diabetes-related disorder include Type I diabetes, Type II diabetes, maturity-onset diabetes of the young, latent autoimmune diabetes of adults (LADA), gestational diabetes, diabetic nephropathy, proteinuria, ketonuria, obesity, hyperglycemia, glucose intolerance, insulin resistance, hyperinsulinemia, hypercholesterolemia, hypertension, hyperlipoproteinemia, hyperlipidemia, hypertriglyceridemia, dyslipidemia, metabolic syndrome, syndrome X, diabetic neuropathy, diabetic retinopathy, hypoglycemia, cardiovascular disease, atherosclerosis, diabetic kidney disease, ketoacidosis, thrombotic disorders, sexual dysfunction, dermatopathy, edema, metabolic syndrome and renal disorders. The related pharmaceutical compositions and methods are also described. These compounds can be used in combination with comprising a therapeutic agent for lowering or controlling blood glucose level such as metformin or a thiazolidinedione.
