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Dipeptidyl peptidase-4 (DPP-4) inactivates glucagon-like peptide-1 (GLP-1). Whether DPP-4 inhibition affects GLP-1 metabolism in vivo and/or food intake remains unknown.
The aim of this study is to evaluate the effect of vildagliptin (DPP-4 inhibitor) on gastric accommodation and ad libitum food intake in healthy volunteers (HVs).These effects will be evaluated in two randomized, placebo-controlled, single-blinded trials. Each protocol will include ten volunteers.
Protocol 1: Sixty minutes after treatment a nutrient drink (270 kcal) will be intragastrically infused and intragastric pressure (IGP) will be measured for one hour.
Protocol 2: 60 min after treatment the participants consume one nutrient drink (300 kcal). Thirty minutes hereafter, the participant will eat ad libitum from a free-choice buffet for 30 minutes. Blood will be collected at several time points to measure active GLP-1 plasma levels.
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20 participants in 2 patient groups, including a placebo group
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Data sourced from clinicaltrials.gov
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