Expired Study
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Houston, Texas 77030


Older people with diabetes will be assigned to the 1-year lifestyle program or no lifestyle program while continuing usual treatment for diabetes. The lifestyle program will consist of teaching how to practice healthy diet and regular exercise at our facility and continued into the community and home. It is hoped that the results would provide convincing proof about the usefulness of lifestyle change in older patients with diabetes.

Study summary:

Background: Hypothesis: Lifestyle intervention will be highly successful in the population of older adults with diabetes, with resultant significant improvement in glycemic metabolic control mediated by improved insulin action/secretion, accompanied by significant improvements in physical function, cognitive function, and quality-of-life (QOL). Rationale: Countering the prevailing notion that it is difficult to change lifelong habits, the PI has ample preliminary data showing successful lifestyle change in older adults. A similar lifestyle intervention augmented by motivational interviewing might also be successful in older adults with diabetes with eventual translation to the community- and home-settings. Aims: In older adults with diabetes and comorbidities, the aims are to: determine the effect of lifestyle intervention on glycemic metabolic control, determine the mechanisms underlying lifestyle-induced changes in glucose homeostasis, and determine the effect of lifestyle intervention on age-relevant health outcomes: physical function, cognitive function, QOL. Design: Older adults with diabetes and comorbidities will be randomized to center-based lifestyle intervention continued into the community and home vs. healthy-lifestyle control for 1 year. Relevance to diabetes prevention and treatment: Data from a randomized-controlled trial will provide high-level evidence to convince practitioners to implement lifestyle intervention as the primary therapy for diabetes in older patients.


Inclusion Criteria: - Subjects will be older (age 65-85 years) adults with type 2 diabetes. Diabetes will be determined by self-report with verification (medical records, current treatment, confirmation from health care provider, fasting glucose ≥126 mg/dL, symptoms of hyperglycemia with plasma glucose ≥200 mg/dL or 2-hour plasma glucose ≥200 mg/dL after a 75-g glucose load on at least two occasions, or HbA1C of ≥ 6.5%. All subjects will have a BMI of ≥ 27 kg/m2 and have stable weight (±2 kg) and on stable medications during the last 6 mos. Exclusion Criteria: - Volunteers will be excluded if they fail to provide informed consent, have any major comorbid disease that is uncontrolled, or any condition that is likely to limit life span and/or affect the safety of the interventions, or interfere with the conduct of the trial. Examples include: 1) unstable cardiopulmonary disease (e.g. recent MI, unstable angina, stroke within past 3 months) or unstable disease (e.g. Class IV congestive heart failure: 2) severe orthopedic (e.g. awaiting joint replacement) and/or neuromuscular (e.g. multiple sclerosis, amyotrophic lateral sclerosis, active rheumatoid arthritis), 3) significant cognitive impairment, defined as a known diagnosis of dementia or positive screening test for dementia using the Mini-Mental State exam (i.e. MMSE score <24),43 4) cancer requiring treatment in the past 5 years, 5) documented history of pulmonary embolism in the past 6 months, 6) positive exercise stress test for cardiac ischemia, and 7) HbA1c >11%.



Primary Contact:

Principal Investigator
Dennis T Villareal, MD
Baylor College of Medicine

Backup Contact:


Location Contact:

Houston, Texas 77030
United States

There is no listed contact information for this specific location.

Site Status: N/A

Data Source: ClinicalTrials.gov

Date Processed: January 21, 2020

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