Expired Study
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Beltsville, Maryland 20705


The objectives of this study are to demonstrate that real time physiological status monitoring and the use of optimization techniques during exercise can have a positive impact on physiological status, and to collect metabolic flexibility profiles of young fit adults during rest and exercise.

Study summary:

This experiment aims to accomplish two goals: collect additional metabolic flexibility data with young fit adults in response to exercise; and demonstrate that automated pace guidance generated from real-time thermal-work strain monitoring and an optimized pacing policy will allow less stressful completion of a timed (60 minute) treadmill exercise of 5 miles. Each participant will undergo two treatments of first UNGUIDED followed by GUIDED exercise. The two exercise sessions will be conducted as part of a ~24 hour stay in an indirect calorimetry chamber.


Inclusion Criteria: - Male and Female - Ages 18 to 29 at the beginning of the study - Relatively fit can run 2 miles in under 16 minutes Exclusion Criteria: - History of Skin Sensitivity to Nickel - Hypertension - Alcoholism - Diabetes - Pregnant - Age >29 - Cannot run 2 miles in less than 16 minutes - No regular weekly exercise - Difficulty Swallowing Food or Large Pills - Diverticulitis - Inflammatory Bowel Disease - Peptic Ulcer Disease - Crohn's Disease - Ulcerative Colitis - Previous Gastrointestinal Surgery - Possible Nuclear Magnetic Resonance Scan - Women who have given birth during the previous 12 months - Pregnant women or women who plan to become pregnant or become pregnant during the study - Lactating women - History or presence of kidney disease, liver disease, certain cancers, gastrointestinal, pancreatic, other metabolic diseases, or malabsorption syndromes - History of bariatric or certain other surgeries related to weight control - Smokers or other tobacco users (for at least 6 months prior to the start of the study) - History of eating disorders or other dietary patterns which are not consistent with the dietary intervention (e.g., vegetarians, very low fat diets, high protein diets) - Volunteers who have lost 10% of body weight within the last 12 months or who plan to initiate a weight loss program during the next 10 months - Unable or unwilling to give informed consent or communicate with study staff. - Self-report of alcohol or substance abuse within the past 12 months and/or current acute treatment or rehabilitation program for these problems (long-term participation in Alcoholics Anonymous is not an exclusion) - Other medical, psychiatric, or behavioral factors that in the judgment of the Principal Investigator may interfere with study participation or the ability to follow the intervention protocol - Blood donation within the previous month



Primary Contact:

Principal Investigator
William V Rumpler, PhD
USDA Beltsville Human Nutrition Research Center

Backup Contact:


Location Contact:

Beltsville, Maryland 20705
United States

There is no listed contact information for this specific location.

Site Status: N/A

Data Source: ClinicalTrials.gov

Date Processed: November 18, 2019

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