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Alternate Day Fasting Combined With a High Protein Background Diet

Obesity Clinical Trial

Official title:
Alternate Day Fasting Combined With a High Protein Background Diet for Weight Loss and Weight Maintenance in Adults With Obesity

Clinical Trial Summary

The aims of this study are as follows: AIM 1: To examine the weight loss and weight maintenance efficacy of an alternate day fasting-high protein (ADF-HP) diet; AIM 2: To examine the effects of an ADF-HP diet on metabolic disease risk factors (plasma lipids, fasting glucose, fasting insulin, insulin resistance).

Clinical Trial Description

Background: Accumulating evidence suggests that alternate day fasting (ADF) is an effective diet strategy to help individuals with obesity lose weight and lower metabolic disease risk. ADF regimens include a "feast day" where food is consumed ad-libitum over 24 h, alternated with a "fast day" where intake is limited to ~600 kcal over 24 h. What has yet to be elucidated is whether consuming a high protein diet (as meal replacements) during ADF is effective for weight loss, weight maintenance, and metabolic disease risk reduction in individuals with obesity. Objective: The aims of this study are as follows: AIM 1: To examine the weight loss and weight maintenance efficacy of an alternate day fasting-high protein (ADF-HP) diet; AIM 2: To examine the effects of an ADF-HP diet on metabolic disease risk factors (plasma lipids, fasting glucose, fasting insulin, insulin resistance). Methods: A 24-week, single-center, longitudinal pilot study will be conducted to test the study objectives. The trial will be divided into 2 consecutive intervention periods: (1) 12-week weight loss period, and (2) 12-week weight maintenance period. Subjects with obesity will participate in an ADF-HP: alternate day fasting-high protein diet: 600 kcal "fast day" alternated with ad libitum "feast day", 35% kcal as protein. ADF-HP subjects will consume the Optifast HP Shake Mix (Nestle) on each day of the trial. Body weight, insulin, glucose, and insulin resistance, will be measured at baseline, week 12, and week 24. Significance: These findings may show that alternate day fasting combined with high protein meal replacements may be implemented as an effective diet therapy to help individuals with obesity lose weight, maintain weight loss, and sustain reductions in metabolic disease risk. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT03528317
Study type Interventional
Source University of Illinois at Chicago
Contact
Status Completed
Phase N/A
Start date June 1, 2018
Completion date March 1, 2019
View Details
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