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Clinical Trial Summary

The study purpose is to determine the effect of eating three (3) different pasta flour formulations made from 100% black beans (Zenith) in a meal matrix (spaghetti sauce) on postprandial glycemic response in healthy adults.

Clinical Trial Description

The 5 test treatments (white bread (negative control), whole black beans (positive control), and 3 different pasta formulations) will be administered randomly over five weeks. Meals will be combined with spaghetti sauce for a total available carbohydrate amount of 50g. Venous blood samples will be collected for glucose and insulin analysis at time 0 (fasting) and at 30, 60, 90, 120, and 180 minutes post-treatment (timing of the post-treatment blood draws started at time 0 [post-treatment], which is when the participant starts consuming the treatment meal). Blood analysis was completed by a reputable biomarker diagnostics laboratory, Quest Diagnostics. Anthropometric measures such as weight, height, waist circumference, and blood pressure were collected at screening and at the start of each test day. Thirteen hours before testing, participants consumed a standardized frozen meal to reduce the potential variation in glycemic responses on test day due to varying pre-evening dietary intakes. This control meal was selected by each participant before the start of the study. Each participant was provided the same frozen meal every time, since the subjects serve as their own controls. The day before test day, participants completed a 24 hour food recall, satiety, and gastrointestinal questionnaires. The morning of each test day participants completed the International Physical Activity Questionnaire (IPAQ), satiety, and gastrointestinal questionnaires. ;

Study Design

Related Conditions & MeSH terms

NCT number NCT05182190
Study type Interventional
Source Iowa State University
Status Completed
Phase N/A
Start date July 10, 2019
Completion date March 15, 2020

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