Saxagliptin, a potent, selective inhibitor of DPP-4, does not alter the pharmacokinetics of three oral antidiabetic drugs (metformin, glyburide or pioglitazone) in healthy subjects.

To evaluate the pharmacokinetic interactions of the potent, selective, dipeptidyl peptidase-4 inhibitor, saxagliptin, in combination with metformin, glyburide or pioglitazone. To assess the effect of co-administration of saxagliptin with oral antidiabetic drugs (OADs) on the pharmacokinetics and tolerability of saxagliptin, 5-hydroxy saxagliptin, metformin, glyburide, pioglitazone and hydroxy-pioglitazone, analyses of variance were performed on maximum (peak) plasma drug concentration (C(max)), area under the plasma concentration-time curve from time zero to infinity (AUC(∞)) [saxagliptin + metformin (study 1) and saxagliptin + glyburide (study 2)] and area under the concentration-time curve from time 0 to time t (AUC) [saxagliptin + pioglitazone (study 3)] for each analyte in the respective studies. Studies 1 and 2 were open-label, randomized, three-period, three-treatment, crossover studies, and study 3 was an open-label, non-randomized, sequential study in healthy subjects. Co-administration of saxagliptin with metformin, glyburide or pioglitazone did not result in clinically meaningful alterations in the pharmacokinetics of saxagliptin or its metabolite, 5-hydroxy saxagliptin. Following co-administration of saxagliptin, there were no clinically meaningful alterations in the pharmacokinetics of metformin, glyburide, pioglitazone or hydroxy-pioglitazone. Saxagliptin was generally safe and well tolerated when administered alone or in combination with metformin, glyburide or pioglitazone. Saxagliptin can be co-administered with metformin, glyburide or pioglitazone without a need for dose adjustment of either saxagliptin or these OADs. © 2011 Blackwell Publishing Ltd.

Citation

C G Patel, D Kornhauser, N Vachharajani, B Komoroski, E Brenner, M Handschuh del Corral, L Li, D W Boulton. Saxagliptin, a potent, selective inhibitor of DPP-4, does not alter the pharmacokinetics of three oral antidiabetic drugs (metformin, glyburide or pioglitazone) in healthy subjects. Diabetes, obesity & metabolism. 2011 Jul;13(7):604-14

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PMID: 21332626

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