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A SMART Trial of Adaptive Exercises to Optimize Aerobic-Fitness Responses
Sponsor: Arizona State University
Summary
The goal of this clinical trial is to test 6 months of aerobic exercise in older adults who are 65 years or older and have mild cognitive impairment (MCI) or probable/possible mild Alzheimer's Disease. The main questions it aims to answer are: * test the effects of aerobic exercise on aerobic fitness, white matter hyperintensity (WMH) volume, and patient-centered outcomes; * identify the best exercise to improve aerobic fitness and reduce non-responses over 6 months; and * examines the mechanisms of aerobic exercise's action on memory in older adults with early AD. Participants will receive 6 months of supervised exercise, undergo cognitive data collection and exercise testing 5 times over a year span, have an MRI brain scan 3 times over a one-year span, and have monthly follow-up discussions on health and wellness.
Official title: Precision Medicine in Alzheimer's Disease: A SMART Trial of Adaptive Exercises and Their Mechanisms of Action Using AT(N) Biomarkers to Optimize Aerobic-Fitness Responses (The FIT-AD SMART Trial)
Key Details
Gender
All
Age Range
65 Years - Any
Study Type
INTERVENTIONAL
Enrollment
216
Start Date
2023-06-22
Completion Date
2028-06-30
Last Updated
2025-04-22
Healthy Volunteers
Yes
Conditions
Interventions
Moderate Intensity Continuous Training (MICT)
Aerobic cycling at a moderate intensity (50-75% of heart rate reserve) for 30-50 minutes, 3 times per week for 3-6 months.
Chair-based Stretch
Stretching while seated for 30-50 minutes, 3 times per week for 6 months.
High-Intensity Interval Training (HIIT)
Aerobic cycling at a vigorous intensity (80-90% of heart rate reserve 4-minute bouts with 4-minute recovery intervals) for 40 minutes, 3 times per week for 3 months.
Combined Aerobic Resistance Exercise (CARE)
6 full-body strength-building exercises followed by 30 minutes of MICT cycling (described above). Total duration is 60 minutes, 3 times per week for 3 months.
Locations (1)
Arizona State University
Phoenix, Arizona, United States