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Study: when you exercise matters for blood sugar control in type 1 diabetes

NCT ID NCT07365176

Knowledge-focused Sponsor: Universite du Littoral Cote d'Opale Source: ClinicalTrials.gov ↗

What the study statuses mean

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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

Summary

This study looked at how different types of exercise—short bursts of intense cycling versus steady moderate cycling—affect blood sugar levels in adults with type 1 diabetes. It also compared exercising after a meal versus on an empty stomach. Twenty-one physically active adults completed four cycling sessions, and their blood sugar was tracked during and for 24 hours after exercise. The goal was to find the safest and most effective way to exercise without causing dangerous drops in blood sugar.

What this could mean

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

Active substance
exercise (high-intensity interval and moderate-intensity continuous cycling)
What this could lead to
If successful, this could help people with type 1 diabetes better manage their blood sugar during and after exercise by choosing the right type and timing.
What could go wrong
This is a small, early-stage study with only 21 participants, so results may not apply to everyone. Exercise always carries some risk of blood sugar drops in type 1 diabetes.

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

21 people

The number who actually took part.

Started

Feb 2023

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 60 years

Sex

Anyone

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: * Between 18 and 60 years of age * Regular practice of physical activity (at least 2 training sessions/week for at least 3 months) * Diagnosis of type 1 diabetes for \>1 year * No change in insulin delivery method (i.e., multiple daily injections \[MDI\], continuous subcutaneous insulin infusion \[CSII\] in open or closed loop) over the previous 3 months * Use of a continuous glucose monitoring (CGM) device in daily life Exclusion Criteria: * Diabetes-related complications except for background retinopathy

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Conditions

The condition(s) this trial relates to.

hypoglycemia Motor Activity type 1 diabetes mellitus type 1 diabetes mellitus 1

As listed by the trial registrant

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

Diabetes mellitus, type 1

Contacts and locations

Locations

  • Unité de Recherche Pluridisciplinaire Sport, Santé, Société (URePSSS - ULR 7369)

    Loos, 59120, France

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