Abstract
The aim of this study was to examine the effect of food thickener on the pharmacodynamics of mitiglinide (MGN), a drug belonging to a class of rapid-acting insulin secretagogues. First, MGN tablets were coated by immersion in a xanthan gum-based food-thickening agent. This treatment was shown to delay disintegration rates of MGN tablets in vitro. The pharmacodynamics of MGN after ingestion of a single oral dose of an MGN tablet, with or without food thickener immersion, were then examined in an open-label crossover study comprising 5 healthy participants. It was observed that after administration of 75 g of oral glucose, the area under the blood glucose concentration–time curve was larger for treatment with MGN tablets that had been immersed in the food thickener than for nonimmersed tablets. The maximum blood glucose level was also higher in treatments with MGN tablets that had been immersed in food thickener. The extended time of higher glucose levels associated with thickener-immersed MGN tablets given to human volunteers may be associated with the reduced disintegration rates of immersed MGN tablets as observed in the in vitro experiment. Overall, our study suggests that commercially available food thickeners influence the pharmacodynamics of MGN and that their use should therefore be carefully assessed and monitored in certain clinical situations.
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Tomita, T., Goto, H., Sumiya, K. et al. Effect of Food Thickener on the Inhibitory Effect of Mitiglinide Tablets on Post-prandial Elevation of Blood Glucose Levels. Dysphagia 32, 449–453 (2017). https://doi.org/10.1007/s00455-017-9787-1
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DOI: https://doi.org/10.1007/s00455-017-9787-1