Bioequivalence and Safety of Bilastine 20 mg Orodispersible Tablets and Conventional Tablets: A Randomized, Single-Dose, Two-Period Crossover Study in Healthy Volunteers Under Fasting Conditions
Abstract
Background and objective: Orodispersible tablets (ODT) rapidly dissolve in the oral cavity and can improve patient's convenience. This pharmacokinetic study assessed the bioequivalence of a novel 20 mg ODT formulation of bilastine compared with bilastine 20 mg tablets in healthy volunteers under fasting conditions.
Methods: A phase I, single-center, open-label, two-period, two-sequence crossover randomized clinical trial was conducted. The study comprised two periods, in which participants were administered a single oral dose of bilastine 20 mg in the form of ODT as the test product, or conventional tablets as the reference product, and a washout of 7 days between each period. Blood samples were collected for up to 72 h. Bioequivalence was established if the 90% confidence intervals of the Cmax and AUC0-t were within the acceptance range (80-125%). Safety was evaluated at the follow-up visit (days 4-7 after the second dose) and throughout the study.
Results: A total of 42 healthy volunteers were randomized, and 41 completed the study. Pharmacokinetic parameters were comparable for both formulations after a single dose of 20 mg. Bilastine ODT and conventional tablets were bioequivalent as the 90% confidence intervals of the test over reference ratios were within the predefined range (80-125%). Both formulations were well tolerated and showed a similar safety profile.
Conclusions: Bilastine ODT was bioequivalent to the reference treatment formulated as conventional tablets…
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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