Impact of treatments in oral glucose tolerance test (OGTT). Impact of combination of S-Amlodipine with Ragaglitazar and Pioglitazone on glucose tolerance after 14 days of treatment in fa/fa rat. A. Glucose levels at different time points. B. Area under the curve (0–120 min) of OGTT. Data are shown as means ± S.E.M. n = 7 per group. *Significantly different from the control (*p < 0.05, **p < 0.01).