The Effect of D-Tagatose on Fructose Absorption in a Rat Model.

J Williams, M Spitnale, R Lodder

Research output: Contribution to journalArticlepeer-review

Abstract

D-tagatose is in development as a medication for the treatment of type 2 diabetes. The effect of oral D-tagatose on the absorption of D-fructose was assessed when co-administered in this study. In the pilot study, male Sprague-Dawley rats were fed C14 labeled fructose and glucose concomitantly to establish dose levels for the treatment group of rats fed C14 labeled fructose together with D-tagatose. Rats were administered 0, 600, 2000, 6000, or 12000 mg/kg of D-tagatose along with 2000 mg/kg of fructose. Blood samples were taken over 60 minutes and were assessed using scintillation counting. 600, 2000, and 6000 mg/kg of D-tagatose decreased fructose absorption by 1%, 26%, and 30% respectively (12000 mg/kg group was stopped short of completion due to intolerance) as measured by AUC of scintillation counts. The 600 and 2000 mg/kg of D-tagatose groups showed no difference in plasma glucose concentrations compared to placebo while a rise in glucose was seen in the 6000 mg/kg of D-tagatose groups. The results indicate that D-tagatose may be useful in reducing fructose absorption, which could lead to a beneficial outcome.
Original languageEnglish
JournalJournal of developing drugs
Volume2
DOIs
StatePublished - Jan 1 2013

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