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NCT Number: NCT06803446

Effects of Circadian Rhythm on Glycemic Regulation During Continuous Moderate Exercise and Intense Intermittent Disease in Adolescents Living With Type 1 Diabetes

Interventional research with minimal risks and constraints on the effects of circadian rhythm on glycemic regulation during intense moderate, continuous and intermittent exercise in adolescents living with type 1 diabetes

Recruiting

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Key information

Age range

10 year–16 year

Sex eligibility

All sexes

Study type

Interventional

Phase

Not applicable

Primary location

About this study

Single-center, randomized, controlled study in adolescents living with type 1 diabetes. This study aims to evaluate the effect of exercise timing (morning vs. afternoon) and exercise type (continuous vs. intermittent) on blood glucose levels during and after exercise, as well as to assess the effect of exercise timing (morning vs. afternoon) and type of exercise (continuous vs. intermittent) on blood glucose during and after exercise

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Children and adolescents aged 10 to 16;
  • Living with type 1 diabetes for at least 1 year with HbA1c less than or equal to 12%;
  • Socially insured ;
  • Having given their written consent to participate in the research, as well as that of their legal guardians;
  • Willing to comply with all research procedures and duration.

Exclusion criteria

  • Clinically significant microvascular complications: nephropathy (estimated glomerular filtration rate less than 40 ml/min), neuropathy or severe proliferative retinopathy as assessed by the investigator;
  • Recent acute macrovascular event (< 3 months), e.g. acute coronary syndrome or cardiac surgery;
  • Abnormal blood picture and/or anemia;
  • Current pregnancy;
  • Other serious medical condition likely to interfere with study participation or ability to complete exercise periods in the judgment of the investigator (e.g., orthopedic limitation);
  • Inability to receive informed information;
  • Inability to participate in the entire study;
  • Lack of social security coverage;
  • Refusal to sign the consent form.

Treatment and study plan

physical test

Other

continuous and intermittent exercise on cycloergometer

Primary outcomes

  1. Comparison of glycemic variation between the 4 conditions

    Time frame: 1 year 10 months september 2026

    Observation of time in target, time in hypoglycemia and time in hyperglycemia

Sponsors and collaborators

Lead sponsor

Lille University

Other

Registry information

Official study title

Effets du Rythme Circadien Sur la régulation glycémique Lors d'Exercices modérés Continus et Intermittents Intenses Chez Des Adolescents Vivant Avec le diabète de Type 1

Acronym: CHRONODIAB1

Important dates

Study start
2024
Primary completion
2026
Study completion
2026
First posted
Jan 31, 2025
Registry last updated
Sep 4, 2025

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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