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Coffee vs. sprints: can a cup boost your next workout?

NCT ID NCT07596511

Knowledge-focused Sponsor: Trabzon 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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study looked at whether drinking a small amount of caffeinated coffee (1.5 or 3 mg per kg of body weight) helps combat sports athletes perform better during repeated 10-second sprints. Fifteen healthy male athletes completed sprint tests after drinking either caffeinated or decaffeinated coffee. Researchers measured power output, fatigue, and how the body used energy to see if the caffeine made a difference.

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

15 people

The number who actually took part.

Started

Apr 2025

Finished

May 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

18 to 25 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: * Male combat sports athletes aged 18 to 25 years * Minimum of five years of continuous structured training * Competitive experience at both regional (state) and national levels * Willingness to abstain from all caffeinated products for two weeks prior to and throughout the study period * Ability to follow a standardized dietary protocol prescribed by an Olympic Preparation Center dietitian * Provision of written informed consent Exclusion Criteria: * Age below 18 years * Self-reported use of anabolic agents, hormonal modulators, or performance-influencing dietary supplements within the three months preceding enrollment * Current use of narcotic, psychotropic, stimulant medications, or tobacco products during the assessment period * Presence of any diagnosed medical condition (including cardiovascular, metabolic, neurological, respiratory, or musculoskeletal disorders) that may compromise safe participation * Withdrawal from the study at the participant's own request

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As listed by the trial registrant

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

Healthy adult male

Contacts and locations

Locations

  • Trabzon University Faculty of Sport Sciences

    Trabzon, Akçaabat, 61300, Turkey (Türkiye)

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