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PQQ supplement may boost fat burning in weekend warriors

NCT ID NCT07148726

Knowledge-focused Sponsor: University of Padova 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 26, 2026 · Last updated Jun 26, 2026

Summary

This study looked at whether taking a daily PQQ supplement for six weeks can improve how non-endurance athletes burn fat and use energy during exercise. Twenty-four basketball players were randomly assigned to receive either PQQ or a placebo. Researchers measured fat oxidation, body composition, and blood markers to see if the supplement made a difference.

What this could mean

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

Active substance
Pyrroloquinoline quinone (PQQ) dietary supplement
What this could lead to
If PQQ improves fat oxidation and metabolic markers, it could point toward a supplement to boost exercise efficiency in non-endurance athletes.
What could go wrong
This is a small, early-stage study with only 24 participants. Results may not apply to the general population, and any benefits might be minor or not reproducible.

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

24 people

The number who actually took part.

Started

Sep 2024

Finished

Aug 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 40 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: * 1\) Age: Participants aged between 18 and 40 years. * 2\) Body mass index (BMI): BMI within the range of 18-30 kg/m². * 4\) Physical activity: Regular engagement in non-endurance physical activities (3-4 times a week), with no participation in structured endurance training programs. Exclusion Criteria: * 1\) chronic disease; * 2\) acute illness; and * 3\) use of dietary supplements, pharmacological agents, or adherence to a hypocaloric diet.

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Conditions

The condition(s) this trial relates to.

Inflammation inflammatory disease

As listed by the trial registrant

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

Inflammation Mitochondrial biogenesis

Contacts and locations

Locations

  • Nutrition and Exercise Lab, DSB, University of Padova

    Padova, Italy, 35131, Italy

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Other studies related to the condition(s) this trial covers.