Caloric Restriction, Exercise, and Glucoregulation in Humans (CREG)
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ClinicalTrials.gov Identifier: NCT00777621 |
Recruitment Status :
Completed
First Posted : October 22, 2008
Last Update Posted : February 12, 2016
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Condition or disease | Intervention/treatment | Phase |
---|---|---|
Diabetes | Other: Calorie Restriction Other: Exercise Other: Calorie Restriction and Exercise | Not Applicable |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 69 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | None (Open Label) |
Primary Purpose: | Prevention |
Official Title: | Caloric Restriction, Exercise, and Glucoregulation in Humans |
Study Start Date : | April 2008 |
Actual Primary Completion Date : | March 2015 |
Actual Study Completion Date : | March 2015 |

Arm | Intervention/treatment |
---|---|
Active Comparator: Calorie restriction |
Other: Calorie Restriction
This group will undergo a 20% reduction in energy intake without any change in energy expenditure. |
Active Comparator: Exercise |
Other: Exercise
This group will undergo a 20% increase in energy expenditure by exercising without any change in energy intake. |
Experimental: Calorie restriction and exercise |
Other: Calorie Restriction and Exercise
This group will undergo 10% reduction in energy intake and a 10% increase in energy expenditure via exercise. |
- Glucoregulatory function [ Time Frame: 3-4 months ]

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Ages Eligible for Study: | 45 Years to 65 Years (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | Yes |
Inclusion Criteria:
- females postmenopausal
- no diabetes, cardiovascular disease, cancer
- no orthopedic problems
- not currently exercising
- BMI between 25 and 29.9
- nonsmokers
Exclusion Criteria:
- current regular exercisers
- premenopausal women
- cardiovascular disease, lung disease, cancer, diabetes

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00777621
United States, Missouri | |
Saint Louis University | |
Saint Louis, Missouri, United States, 63104 |
Principal Investigator: | Edward P Weiss, PhD | St. Louis University |
Responsible Party: | Edward Weiss, Ph.D., Associate Professor, St. Louis University |
ClinicalTrials.gov Identifier: | NCT00777621 |
Other Study ID Numbers: |
K01DK080886 ( U.S. NIH Grant/Contract ) K01DK080886 ( U.S. NIH Grant/Contract ) 1K01DK080886-01 ( U.S. NIH Grant/Contract ) |
First Posted: | October 22, 2008 Key Record Dates |
Last Update Posted: | February 12, 2016 |
Last Verified: | February 2016 |