Actos Side Effects and Drug Interactions - Actos (piogl...

Actos Side Effects and Drug Interactions

Actos Clinical Pharmacology

Drug-Drug Interactions
The following drugs were studied in healthy volunteers with a co-administration of ACTOS 45 mg once daily. Listed below are the results:

Oral Contraceptives: Co-administration of ACTOS (45 mg once daily) and an oral contraceptive (1 mg norethindrone plus 0.035 mg ethinyl estradiol once daily) for 21 days, resulted in 11% and 11-14% decrease in ethinyl estradiol AUC (0-24h) and Cmax respectively. There were no significant changes in norethindrone AUC (0-24h) and Cmax. In view of the high variability of ethinyl estradiol pharmacokinetics, the clinical significance of this finding is unknown.

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