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  • Title: Effect of food on the pharmacokinetics of canagliflozin/metformin (150/1,000 mg) immediate-release fixed-dose combination tablet in healthy participants.
    Author: Murphy J, Wang SS, Stieltjes H, Wajs E, Devineni D.
    Journal: Int J Clin Pharmacol Ther; 2015 Mar; 53(3):256-64. PubMed ID: 25546166.
    Abstract:
    OBJECTIVE: To assess the effect of food on the pharmacokinetics (PK) of canagliflozin and metformin following administration of a canagliflozin/metformin (150/1,000 mg) immediate-release (IR) fixed-dose combination (FDC) tablet. METHODS: A randomized, open-label, singlecenter, single-dose, 2-period, 2-sequence crossover study was conducted in healthy participants. Participants were randomized to 2 sequences of fasted and fed (or vice versa) administration of one 150/1,000 mg canagliflozin/metformin IR FDC, with 10-14 day washout between treatments PK parameters (AUC, Cmax, tmax, t1/2) were assessed for canagliflozin and metformin. Safety was evaluated. RESULTS: When comparing the IR FDC tablet administered with and without food, PK parameters of canagliflozin were bioequivalent as the 90% confidence intervals (CIs) for log-transformed AUClast, AUC∞, and Cmax were within the bioequivalence limits of 80-125%. For metformin, overall exposure was similar under fed and fasted conditions as geometric mean ratios for AUC and associated 90% CI were contained within the bioequivalence limits, but geometric mean Cmax decreased by 16% in the fed compared to fasted state. Both treatments were well tolerated with similar adverse events and most common were gastrointestinal events, generally attributed to metformin. CONCLUSIONS: Food did not affect canagliflozin bioavailability parameters (Cmax and AUCs) or AUCs of metformin. The Cmax of metformin was decreased by 16%, which is not considered clinically meaningful. The canagliflozin/metformin FDC tablet is recommended to be taken with meals to reduce the symptoms of gastrointestinal intolerability associated with metformin.
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