Condition: Obesity and Type 2 Diabetes · Sponsor: Washington University School of Medicine
Insulin is a hormone that is made by β-cells in the pancreas and when released into the bloodstream helps control blood sugar levels. Insulin release is regulated by electrical activity in the β-cell which is generated by the ATP-sensitive potassium (KATP) channel. While reduced KATP activity is associated with increased insulin secretion, animals lacking KATP exhibit reduced secretion. This crossover from hypersecretion to undersecretion with KATP loss mirrors insulin secretion during type 2 diabetes. Intriguingly, evidence from cell and animal models suggest that chronically stimulated β-cells can lose KATP revealing a possible role for KATP loss in the failure of insulin secretion and poor control of blood sugar observed in type 2 diabetes. This study will therefore examine insulin responses following ingestion of a single dose of a sulfonylurea called glipizide that inhibits KATP channels in people with and without type 2 diabetes. The goal is to determine whether KATP channel activity is reduced during type 2 diabetes progression.
This description comes directly from the study's public registry record.
Kyle Timmons · 314-273-1879 · nutritionresearch@wustl.edu
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| Washington University in St. Louis | St Louis, Missouri, United States | Recruiting |
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Source record: clinicaltrials.gov/study/NCT06830096