标题：Preparation of Cocoa Powder-Containing Orally Disintegrating Tablets of Rebamipide (Rebamipide Chocolet) and Evaluation of Their Clinical Palatability
摘要：Orally disintegrating tablets (ODTs), which are administered without water, are beneficial for elderly patients and patients with dysphagia. Masking the unpleasant taste of a drug is an important factor associated with adherence of patients consuming ODTs. We prepared cocoa powder-containing ODTs of bitter-tasting rebamipide (rebamipide chocolet) and evaluated their clinical palatability. We prepared rebamipide ODTs by adding a sweetener and 0, 2.5, 5, and 10% cocoa powder (Ch0-ODTs, Ch2.5-ODTs, Ch5-ODTs, and Ch10-ODTs, respectively). Rebamipide ODTs without cocoa powder and sweetener were used as controls (Cont-ODTs). We performed a gustatory sensation test in 30 healthy adult volunteers. We used the 100-mm visual analog scale (VAS) to evaluate bitterness, sweetness, scent, and overall palatability of the ODTs. The acceptability of each ODT was evaluated on a 5-point scale. Compared to Cont-ODTs, Ch0-ODTs showed no significant improvement in the VAS score for bitterness, scent, and overall palatability during disintegration. However, compared to Cont-ODTs, Ch2.5-ODTs, Ch5-ODTs, and Ch10-ODTs showed an improvement in all items evaluated using the VAS. In particular, Ch2.5-ODTs showed a significant improvement compared to the Cont-ODTs in the VAS score of all items. Evaluation on a 5-point scale indicated that Ch2.5-ODTs and Ch10-ODTs had the highest acceptability. We prepared rebamipide chocolet with excellent palatability properties, which could not be achieved using a sweetener alone, by using the combination of a sweetener and cocoa powder as a new agent for masking bitterness. Our results indicate that cocoa powder may be used as a taste-masking agent in ODTs.
关键词：orally disintegrating tablet;rebamipide;cocoa powder;chocolet;bitterness masking agent;gustatory sensation test
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