Enhancing Function in Later Life: Exercise and Functional Network Connectivity

NCT ID: NCT02068612

Last Updated: 2020-03-27

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

317 participants

Study Classification

INTERVENTIONAL

Study Start Date

2014-04-30

Study Completion Date

2018-12-03

Brief Summary

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Physiological and neurocognitive changes experienced as a result of increasing age may influence socioemotional functioning and economic behaviors, yet, the mechanisms through which these changes occur are not well understood. Studies have also shown that aerobic exercise may protect against age-related cognitive decline in other domains. This research is designed to test the hypothesis that aerobic exercise will enhance social, emotional and economic functioning in older adults, and that these effects will occur via the effect of exercise on neurocognitive structure and function assessed via magnetic resonance imaging (MRI). Advancing our knowledge of the mechanisms that influence emotional, social and economic functioning could inform the development of targeted treatments and prevention programs for older adults.

Detailed Description

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Conditions

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Aging

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

PREVENTION

Blinding Strategy

NONE

Study Groups

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MICT + IT

Moderate Intensity Continuous Training+Interval Training

Group Type EXPERIMENTAL

Moderate Intensity Continuous Training+Interval Training

Intervention Type BEHAVIORAL

LICT

Low Intensity Continuous Training

Group Type ACTIVE_COMPARATOR

Low Intensity Continuous Training

Intervention Type BEHAVIORAL

Interventions

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Moderate Intensity Continuous Training+Interval Training

Intervention Type BEHAVIORAL

Low Intensity Continuous Training

Intervention Type BEHAVIORAL

Other Intervention Names

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MICT+IT LICT

Eligibility Criteria

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Inclusion Criteria

* Age 25-35 for younger adults, and age 60 or over for older adults
* Sedentary (i.e., \< 60 minutes per week of moderate physical activity in the past 6-months)
* Able to make fewer than 3 errors on the Pfeiffer Mental Status192
* Willing to accept random assignment to condition (older adults)
* Physically capable of safely engaging in moderate exercise activity (i.e., no injuries, physical impairments, or pre-existing contraindications) as assessed by a study physician
* Able to successfully complete a maximal exercise test without evidence of cardiac or other abnormalities
* Planning to remain in the Boulder-Denver metro area for the next 4 months (older adults)

Exclusion Criteria

* Are a heavy smoker (\>20 pack years)
* Are diabetic
* Have a body size exceeding the capacity of the magnetic resonance imaging machine (approximately 23" in diameter)
* Are on antipsychotic medications
* Are currently under treatment for any psychiatric disorder, including clinical depression, Alzheimer's, or dementia
* Are currently pregnant
* Have magnetic resonance imaging contraindications (i.e., non-removable metallic implants, claustrophobia, traumatic brain injury, current pregnancy, etc.)
Minimum Eligible Age

25 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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University of Colorado, Boulder

OTHER

Sponsor Role lead

Responsible Party

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Angela Bryan

Professor

Responsibility Role PRINCIPAL_INVESTIGATOR

Locations

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University of Colorado Boulder

Boulder, Colorado, United States

Site Status

Countries

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United States

References

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Gust CJ, Martin-Willett R, Gibson LP, Giordano G, Seals DR, Bryan AD. Effects of aerobic exercise of different intensities on the social, emotional, and financial functioning of healthy older adults: results from a 16-week exercise randomized control trial. Geroscience. 2025 Apr 21. doi: 10.1007/s11357-025-01655-0. Online ahead of print.

Reference Type DERIVED
PMID: 40259150 (View on PubMed)

Martin-Willett R, Morris B, Wilcox R, Giordano G, Andrews-Hanna J, Banich M, Bryan AB. The influence of a 16-week exercise program, APOE status, and age on executive function task performance: A randomized trial. Exp Gerontol. 2021 Sep;152:111431. doi: 10.1016/j.exger.2021.111431. Epub 2021 May 29.

Reference Type DERIVED
PMID: 34062261 (View on PubMed)

Martin-Willett R, Ellingson JE, Fries J, Helmuth T, Karoly H, Giordano G, Calhoun VD, Bryan AD. Few Structural Brain Changes Associated With Moderate-Intensity Interval Training and Low-Intensity Continuous Training in a Randomized Trial of Fitness and Older Adults. J Aging Phys Act. 2021 Jun 1;29(3):505-515. doi: 10.1123/japa.2019-0352. Epub 2020 Dec 2.

Reference Type DERIVED
PMID: 33271506 (View on PubMed)

YorkWilliams SL, Gibson LP, Gust CJ, Giordano G, Hutchison KE, Bryan AD. Exercise Intervention Outcomes with Cannabis Users and Nonusers Aged 60 and Older. Am J Health Behav. 2020 Jul 1;44(4):420-431. doi: 10.5993/AJHB.44.4.5.

Reference Type DERIVED
PMID: 32553024 (View on PubMed)

Provided Documents

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Document Type: Informed Consent Form: Older Adult Consent Form

View Document

Document Type: Informed Consent Form: Young Adult Consent Form

View Document

Other Identifiers

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1R01AG043452-01A1

Identifier Type: NIH

Identifier Source: org_study_id

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