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One hard bike ride may boost brain flexibility in seniors

NCT ID NCT07727577

Knowledge-focused Sponsor: Colby-Sawyer College Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jul 27, 2026 · Last updated Aug 13, 2026 · Updated 3 times

Summary

This trial tests whether a single 30-minute session of high-intensity interval cycling can improve cognitive flexibility and brain activity in physically active older adults. Participants will complete a thinking test before and after the workout while their brain activity is monitored. The study also asks whether people with higher cardiorespiratory fitness get a bigger brain boost from the exercise.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
a single session of high-intensity interval training (HIIT) on a stationary bike
What this could lead to
If it works, this could point toward exercise strategies to sharpen thinking and brain health in older adults.
What could go wrong
This is a small, early-stage trial with only 50 participants. Results may not apply to less fit or older populations, and any cognitive boost may be short-lived.

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

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

About 50 people

The number the study aims to enrol. It can still change while the study runs.

Expected to start

Sep 2026

An estimate. Start dates often move.

Expected to finish

Aug 2028

An estimate. End dates often move.

Lead sponsor

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

55 to 79 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show 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: * Physical active in the last three months (\>3x/week of 30 minutes of moderate exercise) * To participate in the study, participants must answer "no" to all the Physical Activity Readiness questionnaire (PAR-Q) questions and have no signs and symptoms of cardiovascular, metabolic, and kidney diseases following the decision tree of the American College of Sports Medicine screening procedure. * Agree to have their data stored in a human performance database for future use. Agree to have their data stored in a repository per the requirement of peer-reviewed scientific journals, which may require data to be stored in a repository as a condition for publication. Such repositories are online databases, in which coded data is linked (no link to participants personally) to the journal article citation. Must read, understand, and sign the informed consent form. Exclusion Criteria: * Use of illicit drugs, excessive alcohol, and/or performance-enhancing drugs. * Have any current orthopedic injury. * Have implanted medical devices. * Serious medical conditions limiting the ability to safety participate in either the PA interventions; these include dementia, symptomatic heart or vascular disease, severe hypertension, recent myocardial infarction, stroke, severe insulin-dependent diabetes mellitus, psychiatric disease, renal disease, liver disease or active cancer * Mini-mental examination score \< 23

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As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Brain activity Cardio respiratory fitness Cognitive benefits Healthy aging

How to take part

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  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

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Contacts and locations

Locations

  • Colby-Sawyer College

    New London, New Hampshire, 03257, United States

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