Inclusion Criteria:  Recently diagnosed type2 diabetic adult subjects who were not on an oral hypoglycemic drug (OHA) at the screening visit were eligible to participate.  Exclusion Criteria:  Type1 diabetes or ketoacidosis End-organ failure as chronic renal failure (estimated serum creatinine level ≥ 1.5mg/dl in male and ≥ 1.4mg/dl in female) Liver cell failure (elevated alanine transaminase (ALT ) and/or aspartate transaminase (AST) ≥ 2 folds) Any stage of heart failure Previous history of pancreatitis Previous history of taking medication which may alter the efficacy of either drug eg: (other OHA drug, corticosteroids, and oral contraceptives) Pregnant or lactating females