Expired Study
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Saratoga Springs, New York 12866


Purpose:

This study systematically quantified the effects of intermittent fasting and caloric restriction (IFCR) on total and regional (abdominal) body composition (lean mass and fat mass), blood lipids, toxins, oxidative stress biomarkers, energy expenditure, and substrate utilization in 43 overweight/obese middle-aged men (n=22) and women (n=21). Participants were enrolled in the study as a single cohort and participated in an 12-week trial consisting of two consecutive phases: 1) 1-week baseline, weight maintenance control phase (C), and 2) 11-week weight loss IFCR phase. During the 1 week C phase, volunteers were required to maintain their body weight by consuming their normal food intake; however, during the 11 week IFCR, subjects were instructed to consume 75% of their normal intake to result in a 1-2 lb of body weight loss per week. At the conclusion of the 12 week weight loss study, all 40 participants (3 drop-outs) were invited to enroll in a 12 month follow up study. If they agreed to participate, groups were balanced so there were similar numbers of men and women and were weight-matched. The two groups (n=37, 3 dropped prior to allocation) included: 1) a modified version of the 12 week weight loss intervention that consumes whole foods along with 2 meal replacements (rather than 3) (MR; n=19) or 2) a whole foods diet similar to the Therapeutic Lifestyle Changes diet recommended by the National Institute of Health (TLC, n= 18) and asked to follow these nutritional guidelines ad libitum for the duration of 12 months.


Study summary:

Participants were non-smoking, healthy, but overweight/obese men and women with no known cardiovascular or metabolic diseases as assessed by a medical history and a comprehensive medical examination by their physicians. All participants were sedentary or lightly active (<30 min, 2d/wk of structured physical activity) as assessed by a Physical Activity questionnaire, overweight or obese (BMI>27.5 kg/m2; % body fat>30%), middle aged (30-65 years), and weight stable (+/-2kg) for at least 6 months prior to beginning the study. Individuals with a history of cardiometabolic disease (e.g. diabetes, heart disease, etc) and/or cancer and presently taking medications for these conditions, who are pregnant or may be pregnant, are allergic to milk products or are anorexic or bulimic were excluded from participation. Each participant provided informed written consent in adherence with the Skidmore College Human Subjects review board prior to participation and the study was approved by the Human Subjects Institutional Review Board of Skidmore College. All experimental procedures were performed in accordance with the Federal Wide Assurance and related New York State regulations, which are consistent with the National Commission for the Protection of Human Subjects of Biomedical and Behavioral Research and in agreement with the Helsinki Declaration as revised in 1983.


Criteria:

Inclusion Criteria: - Non-smoking, healthy, but overweight/obese men and women with no known cardiovascular or metabolic diseases as assessed by a medical history and a comprehensive medical examination by their physicians - Sedentary or lightly active (<30 min, 2d/wk of structured physical activity) as assessed by a Physical Activity questionnaire - Overweight or obese (BMI>27.5 kg/m2; % body fat>30%) - Weight stable (+/-2kg) for at least 6 months prior to beginning the study Exclusion Criteria: - History of cardiometabolic disease (e.g. diabetes, heart disease, etc) and/or cancer and presently taking medications for these conditions - Pregnant or may be pregnant, are allergic to milk products or are anorexic or bulimic


NCT ID:

NCT02525419


Primary Contact:

Principal Investigator
Paul Arciero, Doctorate
Faculty


Backup Contact:

N/A


Location Contact:

Saratoga Springs, New York 12866
United States



There is no listed contact information for this specific location.

Site Status: N/A


Data Source: ClinicalTrials.gov

Date Processed: November 18, 2017

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