Relative bioavailability of an empagliflozin 25-mg/linagliptin 5-mg fixed-dose combination tablet .
Abstract
OBJECTIVE: This relative bioavailability study compared a fixed-dose combination (FDC) tablet of empagliflozin 25 mg/linagliptin 5 mg with the corresponding individual components. In addition, the effect of food on the bioavailability of the FDC was studied, and the standard-dissolving formulation FDC was compared with a slow-dissolving side batch.
METHODS: An open-label, randomized, crossover study design was used (ClinicalTrials.gov Identifier NCT01189201). Healthy volunteers (n = 42) each received three single-dose treatments: FDC standard dissolution, individual tablets, and either FDC standard dissolution with food or FDC slow dissolution. Primary endpoints for relative bioavailability comparisons were area under the plasma concentration-time curve (AUC) over time 0 to the last time point with the plasma concentration above the quantification limit (AUC0-tz) for empagliflozin, AUC from 0 to 72 hours (AUC0-72) for linagliptin, and maximum plasma concentration (Cmax) for both drugs.
RESULTS: In all three comparisons, the 90% confidence intervals for the ratios of AUCs were within the standard acceptance range (80 - 125%) for bioequivalence. Empagliflozin and linagliptin both showed reductions in Cmax after food compared with the fasted state, although overall exposure remained similar. The empagliflozin/linagliptin combinations were well tolerated.
CONCLUSIONS: This study shows that the FDC of empagliflozin 25 mg/linagliptin 5 mg can be regarded as bioequivalent to the…
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 2 of 5 (High · randomized trial). Randomized trials of a reasonable size are the strongest single-study design. Reported size: 42 participants or records.
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