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Chew to steady: caffeine gum may boost firefighter balance

NCT ID NCT07570030

Symptom relief Sponsor: Chih-Hui Chiu Source: ClinicalTrials.gov ↗

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This small study tested whether chewing gum with caffeine could improve balance in firefighters who were mentally tired. Fourteen firefighters chewed either caffeinated or placebo gum, and their balance was measured. The goal was to see if caffeine could counteract brain fatigue and help them stay steady on the job.

What this could mean

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

Active substance
caffeine (300 mg) in chewing gum
What this could lead to
If it works, this could point toward a simple way to improve balance and safety for firefighters during demanding tasks.
What could go wrong
This is a very small study (14 people) and only looks at a specific group (firefighters). Results may not apply to others, and the effect may be small or not real.

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

14 people

The number who actually took part.

Started

Jul 2025

Finished

Nov 2025

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

20 to 40 years

Sex

Male participants only

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: * Active-duty members of the Special Search and Rescue Brigade * Regularly perform firefighting and disaster relief duties * Have fully recovered from sports injuries such as strains or sprains for at least 3 months Exclusion Criteria: * Members who are not part of the Special Search and Rescue Brigade. * Individuals who do not regularly perform firefighting and disaster relief duties * Participants who have not fully recovered from sports injuries for at least 3 months

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As listed by the trial registrant

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

Performance enhancement

Contacts and locations

Locations

  • National Taiwan University of Sport

    Taichung, North, 404, Taiwan

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