Exercise may sharpen aging minds in HIV patients
NCT ID NCT06013579
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether high-intensity interval training (HIIT) or moderate continuous exercise can improve thinking, memory, and daily function in 110 older adults with HIV who are sedentary and fatigued. Participants will exercise three times a week for four months. The goal is to see if exercise can lower dementia risk and help build long-term exercise habits.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- high-intensity interval training (HIIT) and continuous moderate exercise (CME)
- What this could lead to
- If successful, this could show that structured exercise programs help preserve brain function and build lasting exercise habits in older adults with HIV.
- What could go wrong
- This is a small, early-stage study (110 participants) without a placebo control, so results may not apply broadly. Exercise adherence and individual health differences could affect outcomes.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 110 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Aug 2023
- Expected to finish
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Mar 2028
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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50 to 80 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Confirmed HIV * Sedentary lifestyle, defined as self-reported PA that breaks a sweat \<3 days/week, with no regular resistance exercise for 3 months preceding study; * Fatigued (≥2.0 on either of the first two screening items on the HIV-Related Fatigue Scale) * On a current, contemporary ART regimen for \>=12 months; * HIV-1 RNA \<200 copies/mL in the past 12 months (assessed via medical records) * Willing to engage in a supervised exercise program 3 times/week for 4 months * Cell phone or email to accept messages * Weight \<450 lbs * Medical clearance by study healthcare professional Exclusion Criteria: * Weight over 450 pounds * Use of sex hormone therapy, if on for ≤3 months (stable doses for \>3 months will be permitted) * Use of other hormone replacement, if on for ≤ 3 months (stable doses \>3 months will be permitted) * Anemia (Hemoglobin ≤9 g/dL for women or ≤10 g/dL for men) due to contribution to fatigue, * Diagnosis of mitochondrial disease, * Active substance abuse or other factors that could prevent compliance or safety with study visits, at the discretion of the site investigator, * Reasons for medical exclusion, as determined by Nurse Practioner: 1. Uncontrolled hypertension defined as resting systolic blood pressure \>150 mmHg or diastolic blood pressure \>90 mmHg; participants who do not meet these criteria at first screening will be reevaluated, including follow-up evaluation by their primary care provider with initiation or adjustment of anti-hypertensive medications, 2. Unstable ischemic heart disease (e.g., angina, ST segment depression) or serious arrhythmias at rest or during the graded exercise test without negative follow-up evaluation will be cause for exclusion; follow-up evaluation must include diagnostic testing (e.g., thallium stress test) with interpretation by a cardiologist, 3. New York Heart Association Class III or IV congestive heart failure, clinically significant aortic stenosis, uncontrolled angina, or uncontrolled arrhythmia, 4. Pulmonary disease requiring the use of supplemental oxygen at rest or with physical exertion, 5. Malignancy requiring chemotherapy or radiation therapy within 24 weeks prior to enrollment, 6. Poorly controlled diabetes, as evidenced by hemoglobin A1c \> 8.5, documented within 6 months of study visit or current use of insulin, 7. Surgery/trauma/injury/fracture within 24 weeks prior to enrollment that, in the opinion of the study clinician, may impact a subject's baseline functional testing and ability to exercise, 8. Balance impairments that may impact functional testing and ability to safely exercise as reported by the participant or in their medical record, 9. Orthopedic problems (e.g., severe osteoarthritis, rheumatoid arthritis) that greatly limit the ability to perform moderate intensity resistance exercise (e.g., unable to be properly positioned in exercise equipment or to have severely restricted range of motion even after modifications have been made), 10. Persons who, in the judgment of the study clinician, appear to have unstable health or are incapable of safely participating in the exercise intervention.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
3 sites. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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University of Alabama at Birmingham
NOT_YET_RECRUITINGBirmingham, Alabama, 35294, United States
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University of Colorado Denver
RECRUITINGAurora, Colorado, 80045, United States
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University of Washington
RECRUITINGSeattle, Washington, 98195, United States
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