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Morning coffee may give athletes an edge, small study suggests

NCT ID NCT07469852

Symptom relief Sponsor: Liverpool John Moores University 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
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 This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study looks at whether taking 300 mg of caffeine can help healthy male athletes perform better on cognitive tests and a 4-km cycling time trial in the morning. Fifteen participants will be tested under three conditions: caffeine, placebo, and no pill. The goal is to see if caffeine can offset the natural dip in morning performance.

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)
What this could lead to
If it works, this could show that caffeine helps athletes perform better in morning competitions.
What could go wrong
This is a small, early-phase study with only 15 healthy males, so results may not apply to others. Caffeine can cause side effects like jitters or sleep issues.

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

Phase 1/2

Runs two stages together: safety and dose first, then whether the treatment works.

Participants

About 15 people

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

Started

Jan 2026

Expected to finish

Mar 2026

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

18 to 35 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: * Healthy adults * 18-35 years old * Injury-free * ≥ 2 years of weight/strength training experience * Not receiving any pharmacological treatment (including non-steroidal anti-inflammatory drugs, NSAIDs) throughout the study period * Low habitual caffeine consumers (≤ 150mg per day) * No preference to training regarding time-of-day Exclusion Criteria: * Depressed mood (from the Beck depression inventory) * Poor sleep quality (a Pittsburgh sleep quality index global score \>5 * Recent shift work or travel across multiple time-zones * Extreme chronotype (assessed via the Composite Morningness Questionnaire * Risk factors and/ or symptoms of cardiovascular disease.

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As listed by the trial registrant

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

Caffeine No pill Placebo - control

Contacts and locations

Locations

  • Tom Reilly Building (LJMU)

    Liverpool, Merseyside, L3 3AF, United Kingdom

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