Abstract
Aim: New approaches are required to improve compliance in older patients with problems in swallowing traditional formulations. A novel memantine orodispersible tablet (ODT) was formulated, and its bioavailability and taste acceptability were evaluated. Materials & methods: In vitro characterization of ODT comprised dispersion in simulated saliva prior to dissolution assay in a limited volume of biorelevant media. A single oral dose of 20-mg memantine ODT exhibits similar bioavailability to that of an immediate release 20-mg tablet in a healthy population under fasting conditions. Results: 90% confidence interval for Cmax was of 96.78–106.52% and 98.27–104.78% for AUC0–72. An applied palatability survey showed exceptional acceptance of the formulation. Conclusion: Memantine microspheres prepared by a solid-dispersion technique results in ODT with adequate biopharmaceutical performance.
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