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What to eat before exercise? study tests best meal for blood sugar control

NCT ID NCT07175740

Knowledge-focused Sponsor: Paul Poirier 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 24, 2026 · Last updated Jun 26, 2026 · Updated 2 times

Summary

This completed study looked at how different pre-exercise meals affect blood sugar after exercise in 15 men with type 2 diabetes. Participants tried five conditions: fasting, or meals with added sucrose, fructose, fat, or aspartame, each followed by one hour of cycling. The goal was to see which meal led to the biggest drop in blood sugar. Results could help guide better meal timing advice for people managing diabetes.

What this could mean

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

Active substance
standardized meals (sucrose, fructose, fat, aspartame, or fasting)
What this could lead to
If it shows clear patterns, this could help refine dietary advice for people with type 2 diabetes who exercise.
What could go wrong
This is a small, early-stage study (15 participants) that only looked at short-term blood sugar changes. Results may not apply to women, insulin users, or real-world settings.

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

May 2002

Finished

May 2004

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 years and older

Sex

Male participants only

Healthy volunteers

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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: * Type 2 Diabetes * Oral hypoglycemic agents Exclusion Criteria: * Insulin * Other diabetes related medical complications or conditions

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Conditions

The condition(s) this trial relates to.

Motor Activity type 2 diabetes mellitus

As listed by the trial registrant

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

Glycemic response Type 2 diabetes

Contacts and locations

Locations

  • Institut universitaire de cardiologie et de pneumologie de Québec - Université Laval

    Québec, Quebec, G1V4G5, Canada

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