Evaluation of Quercetin in Type 2 Diabetes: Impact on Glucose Tolerance and Postprandial Endothelial Function
Abstract
The purpose of this study is to measure the effect of quercetin on glucose tolerance and postprandial endothelial function in comparison to placebo and Acarbose in participants with Type 2 Diabetes.
Primary Hypothesis: We hypothesize that administration of quercetin (2g oral) prior to a 100g maltose tolerance test (MTT) will result in a decrease in postprandial blood glucose at 60 minutes compared to placebo. Acarbose (100mg oral), a pharmaceutical alpha-glucosidase inhibitor, will serve as a positive control.
Secondary Hypothesis: We hypothesize that administration of quercetin (2g oral) will reduce the Area Under the Glucose Curve (AUC) for the 2 hours following a 100g MTT compared to placebo. AUC is hypothesized to be comparable between quercetin and Acarbose.
Tertiary hypothesis: We hypothesize that administration of quercetin (2g oral) prior to a 100g MTT will result in a smaller reduction in flow mediated dilation (FMD) measured as an increase in Reactive Hyperemia Index (RHI) at 90 minutes compared to placebo.
Conditions: Diabetes Mellitus, Type 2.
Primary outcome: Glucose tolerance following a maltose tolerance test.
Enrollment: 19 participants.
How strong is the evidence?
Evidence Hub reads this as a clinical trial, done in people. Its evidence level is 3 of 5 (Moderate · trial / cohort / secondary analysis). Trials without a large randomized design, cohorts and secondary analyses give moderate evidence. Reported size: 19 participants or records.
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