Nateglinide Gemfibrozil

Niemi M, Backman JT, Juntti-Patinen L, Neuvonen M, Neuvonen PJ. Coadministration of gemfibrozil and itraconazole has only a minor effect on the pharmacokinetics of the CYP2C9 and CYP3A4 substrate nateglinide. Br J Clin Pharmacol 2005 60 208 117. 

In contrast, in a very similar study by the same research group, the combination of gemfibrozil and itraconazole caused only a modest 47% increase in the AUC of a single dose of nateglinide 30 mg, and did not significantly alter the blood glucose response to nateglinide in healthy subjects. ... 

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