Maintaining Resistance Training in Older Prediabetic Adults
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ClinicalTrials.gov Identifier: NCT01112709 |
Recruitment Status
:
Completed
First Posted
: April 28, 2010
Last Update Posted
: March 20, 2014
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Condition or disease | Intervention/treatment | Phase |
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Diabetes Prediabetes | Behavioral: SCT-based Resistance Training exercise program Other: Standard Intervention with minimal contact | Phase 2 |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 170 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | Single (Participant) |
Primary Purpose: | Prevention |
Official Title: | Maintaining Resistance Training in Older Prediabetic Adults: Theoretical Approach |
Study Start Date : | January 2011 |
Actual Primary Completion Date : | March 2014 |
Actual Study Completion Date : | March 2014 |

Arm | Intervention/treatment |
---|---|
Experimental: SCT
This arm is a long-term, Social Cognitive Theory (SCT)-based intervention, emphasizing self-regulation and other SCT strategies to optimize training, with faded contact.
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Behavioral: SCT-based Resistance Training exercise program
Two supervised RT sessions per week for the first 3 months, then a self-monitored RT phase for the remainder of the study, with primarily Internet-based contact.
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Active Comparator: Control
This arm will be the "control" condition; a Standard intervention with minimal contact.
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Other: Standard Intervention with minimal contact
This is the control condition for comparison; the approach will be identical to the experimental condition, but without the theoretical components (skills to increase self efficacy for RT, self regulation for RT). Contact with the study staff will be reduced from that received by the experimental group.
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- Markers of prediabetes [ Time Frame: 15 months ]glucose tolerance and fasting glucose concentration
- Muscular Strength [ Time Frame: 15 months ]3 RM (repetition maximum - the maximum amount of weight that can be lifted three times)
- Insulin secretion and action [ Time Frame: 15 Months ]
- Adherence to the resistance training program session schedule (twice/week sessions) [ Time Frame: 15 Months ]
- Social Cognitive Theory Measures (includes self-efficacy, self-regulation, outcome expectancies, and affect; related to resistance training) [ Time Frame: 15 Months ]
- Body Composition [ Time Frame: 15 Months ]

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Ages Eligible for Study: | 50 Years to 69 Years (Adult, Senior) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- prediabetes,
- overweight or obese,
- aged 50-69 years,
- otherwise good health,
- physician clearance for exercising,
- sedentary (< 150 min/wk of moderate intensity physical activity).
Exclusion Criteria:
- diagnosed with diabetes or other conditions that would preclude an individual from safely resistance training (eg, heart disease),
- currently engaging in RT (for > 1 year),
- smokers,
- uncontrolled hypertension,
- retinopathy,
- recent cataract surgery,
- recent head trauma.

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): NCT01112709
United States, Virginia | |
Virginia Tech | |
Blacksburg, Virginia, United States, 24061 | |
VT Riverside | |
Roanoke, Virginia, United States, 24016 |
Principal Investigator: | Brenda M Davy, PhD, RD | Virginia Polytechnic Institute and State University | |
Principal Investigator: | Richard A Winett, PhD | Virginia Polytechnic Institute and State University |
Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
Responsible Party: | Brenda Davy, Associate Professor, Virginia Polytechnic Institute and State University |
ClinicalTrials.gov Identifier: | NCT01112709 History of Changes |
Other Study ID Numbers: |
1R01DK082383-01A1 ( U.S. NIH Grant/Contract ) R01DK082383 ( U.S. NIH Grant/Contract ) |
First Posted: | April 28, 2010 Key Record Dates |
Last Update Posted: | March 20, 2014 |
Last Verified: | March 2014 |
Keywords provided by Brenda Davy, Virginia Polytechnic Institute and State University:
Diabetes Prediabetes Resistance training behavior behavioral change theory |
Additional relevant MeSH terms:
Prediabetic State Glucose Intolerance Diabetes Mellitus Glucose Metabolism Disorders |
Metabolic Diseases Endocrine System Diseases Hyperglycemia |