Bioequivalence assessment of a pregabalin capsule and oral solution in fasted healthy volunteers: a randomized, crossover study.
2013
OBJECTIVE: To determine the oral bioavailability of a pregabalin capsule relative to a pregabalin solution. METHODS: This was an open-label, randomized, crossover study in 12 healthy volunteers. Pharmacokinetics were compared for a 100-mg capsule and a 100-mg capsule dissolved in water, administered fasted. RESULTS: Mean Cmax and AUC0-∞ for the capsule were within 2% of those for the solution (3.8 vs. 3.7 μg/ml and 26.7 vs. 27.0 μg×h/ml, respectively). The 90% confidence intervals for the ratios of Cmax and AUC0-∞ fell fully within 80 - 125%. CONCLUSIONS: A 100-mg pregabalin capsule is bioequivalent to a pregabalin solution (100-mg capsule dissolved in water).
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