Lifestyle Intervention Trial in Obese Elderly

Completed · Not applicable

Conditions studied: Obesity

In brief

Obesity causes frailty in obese older adults by exacerbating the age-related decline in physical function. However, appropriate management of obesity in older adults is controversial. Weight loss without exercise could worsen frailty by accelerating the usual age-related decline in muscle and bone mass that leads to sarcopenia and osteopenia, respectively. Because of the important problem of frailty in obese older adults, it is important to determine the most efficacious approach in reducing, or even reversing frailty in this population. The primary objective of this proposal is to evaluate which distinct type of physical exercise (resistance, aerobic, or combined resistance + aerobic) is most efficacious in preventing the weight-loss-induced reduction in muscle and bone mass and reversing frailty in obese older adults.

Key facts

Study ID

NCT01065636

Run by

Biomedical Research Institute of New Mexico

People needed

160

Starts

2010-02-01

Expected to finish

2018-12-31

Last updated by the study team

2020-01-22

Who can join

Age: 65 and older, up to 85. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• 65-85 years old
• Obese men and women (BMI > or equal to 30 kg/m2)
• Stable weight (±2 kg) during the last 6 mos.
• Must be sedentary (regular exercise <1 h/wk or <2 x/wk for the last 6 mos.)
• Be judged, during the initial screening, to be well motivated and reliable

You may not qualify if…

• Any major chronic diseases
• Any condition or unstable diseases that would interfere with exercise or dietary restriction, in which exercise or dietary restriction are contraindicated, or that would interfere with interpretation of results that include but are not limited to:
• Cardiopulmonary disease (e.g., recent MI, unstable angina, stroke etc.)
• Severe orthopedic/musculoskeletal or neuromuscular impairments that would contraindicate participation in exercise
• Visual or hearing impairments that interfere with following directions
• Diagnosis of dementia
• History of malignancy during the past 5 yr
• Recent use of bone acting drugs (e.g. use of estrogen, or androgen containing compound, raloxifene, calcitonin, parathyroid hormone during the past year or biphosphonates during the last two years)
• Individuals on insulin or with a fasting blood glucose of > 140mg/dl, and/or a 2 hour post-glucose of >250 mg/dl
• BMD t-scores of <-2.3 of the lumbar spine and proximal femur
• serum creatinine >2.0 mg/dl
• No commitments, life situations or conditions that would interfere with their participation in the study

Where it is running

• New Mexico VA Medical Center and University of New Mexico School of Medicine — Albuquerque, New Mexico, United States
• Baylor College of Medicine — Houston, Texas, United States

Full record on ClinicalTrials.gov

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