UnknownNot Applicable

Acute Effects of Vigorous-intensity Aerobic Exercise on Glymphatic Flow in Healthy Adults

Finland20 participantsStarted 2021-02-08

Plain-language summary

This study investigates changes in glymphatic flow in the brain acutely after vigorous-intensity steady-state aerobic exercise. Twenty subjects (10 male and 10 female) perform 25 minute submaximal cycle ergometry exercise and the changes in the glymphatic flow and cerebral perfusion are evaluated using a variety of MRI sequences (e.g. MREG).

Who can participate

Age range

18 Years – 45 Years

Sex

ALL

See this in plain English?

AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.

Inclusion Criteria: * Age 18-45 * BMI 18-30 * Resting Blood pressure \< 140/90 mmHg Exclusion Criteria: * History of a cardiac event * Insulin or medically treated diabetes * Any chronic disease or condition that could create a hazard to the subject safety, endanger the study procedures or interfere with the interpretation of study results * Presence of ferromagnetic objects that would make MR imaging contraindicated * Claustrophobia * Abundant use of alcohol * Use of narcotics * Smoking of tobacco or consuming snuff tobacco * Diagnosed depressive or bipolar disorder * Abnormalities in resting ECG (revised by the study physician) * Pregnancy

Questions worth asking your doctor

Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.

1Based on my diagnosis and history, is this trial worth exploring for me — or is there a standard treatment we should try first?
2What does this trial's phase tell us about how much is already known about its safety and benefit?
3What would taking part actually involve for me — visits, tests, time, and travel?
4What are the known and possible risks or side effects I should weigh, and how would they be monitored?
5If this trial isn't the right fit, what other options or trials would you suggest I look into?

Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.

Questions for the trial coordinator

The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.

1What does taking part actually involve week to week — how many visits, where, and how long does each one take?
2What costs are covered by the study, and what might I have to pay for myself, including travel, parking, or time off work?
3What happens during screening, and what happens if the study team confirms I don't meet the criteria after those tests?
4Who pays for the scans, blood work, and other tests the trial requires — the study, my insurance, or me?
5How will being in the trial affect my regular care, and will my own doctor stay informed and involved?
6Can I leave the trial at any point if I change my mind, and what would happen to my care if I do?

A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.

What they're measuring

MREG cardiovascular pulse wavefront

Timeframe: 3 hours

Trial details

NCT IDNCT04255758

SponsorTurku University Hospital

Sponsor typeOTHER_GOV

Study typeINTERVENTIONAL

Primary completion2021-12-31

Contact for this trial

Ilkka Heinonen, PhD

+358 408 393 962 ilkka.heinonen@utu.fi

View on ClinicalTrials.gov More Glymphatic System trials