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Pharmacokinetic/Pharmacodynamic Interaction Between Evogliptin and Pioglitazone in Healthy Male Subjects
Inyoung Hwang1, Yun Kim1, Hyounggyoon Yoo1
1Department of Clinical Pharmacology and Therapeutics, Seoul National University College of Medicine and Hospital, Seoul, Republic of Korea.
Aim:
Evogliptin is a newly developed oral glucose-lowering medication of the dipeptidyl peptidase 4 (DPP-4) inhibitor class for type 2 diabetes mellitus. The combination of a DPP-4 inhibitor with pioglitazone is a promising therapeutic option. The aim of the present study was to evaluate the pharmacokinetic and pharmacodynamic interaction between evogliptin and pioglitazone.
Materials And Methods:
A randomized, open-label, multiple-dose, three-treatment, three-period, six-sequence crossover study was conducted in healthy Korean male subjects. All subjects received evogliptin 5 mg once daily for 7 days (EVO), pioglitazone 30 mg once daily for 7 days (PIO) and co-administration of evogliptin 5 mg and pioglitazone 30 mg once daily for 7 days (EVO+PIO) according to the assigned sequence and period. Serial blood samples were collected for 24 hours for pharmacokinetic analysis and 3 hours after the oral glucose tolerance test for the pharmacodynamic analysis.
Results:
Thirty-four subjects completed the study. EVO+PIO and EVO showed a similar maximum plasma concentration at steady state (Cmax,ss) and area under the concentration-time curve during the dosing interval at the steady state (AUCτ,ss) of evogliptin, with geometric mean ratios (GMRs) (90% confidence interval (CI)) of 1.01 (0.97-1.05) and 1.01 (0.98-1.04), respectively. EVO+PIO and PIO showed a similar Cmax,ss and AUCτ,ss of pioglitazone, with GMRs (90% CI) of 1.07 (0.99-1.17) and 1.08 (0.99-1.17), respectively. Reduction of the glucose level after EVO+PIO was larger compared to PIO and similar with EVO.
Conclusion:
Concomitant administration of evogliptin and pioglitazone showed similar glucose-lowering effects with those of evogliptin alone without pharmacokinetic interactions when compared to the intake of each drug alone.
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