CompletedNot Applicable

Carbohydrate Mouth Rinsing and Cognitive Response During Exercise

South Korea11 participantsStarted 2025-02-28

Plain-language summary

This study investigates whether rinsing the mouth with a carbohydrate solution can improve brain oxygenation and cognitive function during high-intensity exercise. Eleven trained cyclists participated in multiple exercise sessions under different mouth rinse conditions. Brain oxygenation, perceived exertion, and cognitive performance were measured. The goal is to understand if this simple technique can support both physical and mental performance during demanding exercise.

Who can participate

Age range

20 Years – 30 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: * Aged between 20 and 30 years * Engaged in regular cycling training (≥5 sessions per week, \~4 hours per day) * No known cardiovascular, neurological, or metabolic diseases * Provided written informed consent Exclusion Criteria: * Current use of medication affecting cardiovascular or cognitive function * Recent musculoskeletal injuries that affect cycling ability * Smoking or excessive alcohol consumption * Refusal or inability to comply with study procedures

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

Changes in prefrontal cortex oxygenation (ΔO2Hb)

Timeframe: Immediately post-intervention and post-time trial (within same day)

Trial details

NCT IDNCT07099807

SponsorCHA University

Sponsor typeOTHER

Study typeINTERVENTIONAL

Primary completion2025-05-15

View on ClinicalTrials.gov More Exercise Performance of Fit Athletes trials