Aging Clinical Trial - Fitness, Cellular Aging, & Caregiver Stress Study

Status Completed

Clinical Trial Summary

The purpose of this study is to determine whether an aerobic training intervention will alter markers of immune cell aging, improve exercise capacity and blood pressure and decrease psychological distress over 24 weeks in 32 caregivers compared to 32 age-matched wait list control caregivers.

Clinical Trial Description

The investigators will prospectively examine whether an aerobic training intervention will alter markers of immune cell aging (i.e. increase telomerase activity in peripheral blood mononuclear cells, telomere length in peripheral blood mononuclear cells and leukocytes, mitochondrial function, epigenetic profiles, and mRNA expression), improve exercise capacity and blood pressure, and decrease psychological distress over 24 weeks in 32 caregivers compared to 32 age-matched wait list control caregivers. Our sample will be comprised of caregivers who provide unpaid care for a family member diagnosed with Alzheimer's disease or other dementia. Participants in the study will be highly stressed and inactive male and female caregivers of family members with Alzheimer's disease or other dementia. All eligible participants will complete one week of ecological momentary assessments (EMA) to examine whether (1) previously unfit, high-stressed caregivers benefit psychologically from becoming active, (2) this benefit is derived through changes in how caregivers react to and recover from stressful events, and (3) whether these salubrious psychological effects mediate changes in biological outcomes (e.g., cellular aging). Next, participants will participate in a one-week run-in period of stretching 30 minutes on 4 separate days prior to randomization to guarantee that the investigators are randomizing well-informed participants that are willing and able to complete the expected exercise. Next, participants are randomized into the aerobic exercise or wait list control arm. In the 24th week of the study, participants complete a second week of the EMAs sub-study, and return after week 24 for a final blood draw. Research study assessments consist of self-report questionnaires, body composition, physical performance and fitness tests, and a fasting blood draw. The follow-up visit, 24 weeks later, consists of a repeat of the same morning health visit. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT01993082
Study type	Interventional
Source	University of California, San Francisco
Contact
Status	Completed
Phase	N/A
Start date	January 2014
Completion date	January 2017

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Fitness, Cellular Aging, and Caregiver Stress Study — FAST

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms