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Diabetes Mellitus, Type 1NCT04978662

Sleep and Chronotype in Children With Type 1 Diabetes

An observational study of Diabetes Mellitus, Type 1, run by Marmara University at 1 site in Turkey (Türkiye).

Unknown status

Status not confirmed. The sponsor has not verified this record for over two years, so it may be out of date.

Official record
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Trial summary

Type 1 diabetes is the most common metabolic disorder in children and adolescents. Sleep is important for prognosis and several sleep parameters are related to metabolic control. Read more about this study

Who is it for?
Ages 6 to 18 years
Conditions the study is for
Diabetes Mellitus, Type 1
How many people
100 participants
Where
1 siteTurkey (Türkiye)
Study dates
6 Jul 2021to Dec 2021
Phase
Observational
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 6 to 18 years
  • All sexes
  • No healthy volunteers
  • Child, Adult

Study population: Children and adolescents diagnosed with Type 1 Diabetes aged between 6 to 18 years

Who may be able to join

  • aged between 6 to 18 years
  • use of continuous glucose monitoring system

Who cannot join

  • acute medical condition that can impact sleep (diabetes keto acidosis, cold, influenza)
  • diagnosed neurodevelopmental or behavioral condition like autism spectrum disorder or Attention Deficit/Hyperactivity Disorder
  • diagnosed sleep disorder (Obstructive Sleep Apnea)
  • Current use of medications that can impact sleep (diphenhydramine)

Trial locations and contacts

1 site in 1 country.

Turkey (Türkiye)1 site
  • Marmara University School of Medicine

    Istanbul

Other trials in Turkey (Türkiye)

About this study

Official title: Determination of Sleep Disorder and Chronotype in Children and Adolescents With Type 1 Diabetes; Observation of the Impact on Glycemic Control and Treatment

Type 1 diabetes is the most common metabolic disorder in children and adolescents. Sleep is important for prognosis and several sleep parameters are related to metabolic control. However, limited number of studies in children and adolescents showed mixed results and recommendations about how to address sleep in the clinical care of diabetes in children are still lacking. There is a need to examine the potential role of sleep in developing preventive interventions for diabetes management in children and adolescents.

The authors aimed to describe sleep/wake patterns ,sleep problems, and chronotype of children and adolescents with type 1 diabetes, and to assess the relation of sleep measures with metabolic control and treatment.

The study has a prospective observational cross-sectional design. An estimated sample size is calculated as 83. Children diagnosed with type 1 diabetes between 6 to 18 years of age will be recruited from two pediatric endocrinology centers specialized in diabetes. Sleep/wake pattern will be assessed by actigraphy, and sleep diaries. Sleep disorder will be assessed by the Diagnostic and Statistical Manual for Mental Disorders (DSM-5) Sleep Disorder Scale, and Chronotype Questionnaire will be used to determine the chronotype.

Read the detailed description

Type 1 diabetes is the most common metabolic disorder in children and adolescents. Sleep is important for prognosis and several sleep parameters are related to metabolic control. However, limited number of studies in children and adolescents showed mixed results and recommendations about how to address sleep in the clinical care of diabetes in children are still lacking. There is a need to examine the potential role of sleep in preventive interventions.

The authors aimed to describe sleep/wake patterns ,sleep problems, and chronotype of children and adolescents with type 1 diabetes, and to assess the relation of sleep measures with metabolic control and treatment.

The study has a prospective observational cross-sectional design. An estimated sample size is calculated as 83. Children diagnosed with type 1 diabetes between 6 to 18 years of age will be recruited from two pediatric endocrinology centers specialized in diabetes. Sleep/wake pattern will be assessed by actigraphy, and sleep diaries. Sleep wake patterns will be assessed by Philips Respironics Mini-Mitter Actiwatch-2 for at least 3 days at home environment and sleep diaries within 5-minute intervals will be filled out by parents. Actigraphy is a validated wristwatch-like device that distinguishes sleep from wakefulness based on accelerometer measured movement.

Sleep disorder will be assessed by the Diagnostic and Statistical Manual for Mental Disorders (DSM-5) Sleep Disorder Scale, and Chronotype Questionnaire will be used to determine the chronotype.

For metabolic control, targeted standard values will be used for continuous glucose measurement. (Target daily blood glucose ranges 70-180 mg/dl, <4% <70 mg/dl, <1% <54 mg/dl, <25% >180 mg/dl, <5% rate >250 mg/dl). The latest Hemoglobin A1c level will also be evaluated.

A questionnaire developed by the investigators including sociodemographic characteristics, and diabetes related information will be gathered from the patient records.

Keywords
Diabetes Mellitus, Type 1, sleep, adolescent, actigraphy, blood glucose
Medical subject headings
Diabetes Mellitus, Type 1

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. sleep wake patterns measured by actigraphy

    sleep wake patterns

    Measured: baseline

  2. sleep disorder

    sleep disorder measured with the Diagnostic and Statistical Manual for Mental Disorders (DSM-5) Sleep Disorder Scale. The scale has an 8-item parent form, that could be filled up by parents or legal guardians of children aged between 6-17 years, and a 9-item self report form to be filled up by adolescents aged between 11-17 years. For each item, the caregiver is asked to rate the severity of symptoms related to sleep disorders that occurred within the past 7 days, she/he had observed in his/her child. The scale has a 5-point Likert type rating (1=never, 2=very little/rarely, 3=sometimes, 4=most of the time, 5=almost all the time). Total scores range between 8-40 and higher scores indicate presence of much more severe sleep-related problems.

    Measured: Baseline

  3. chronotype

    chronotype measured with Chronotype Questionnaire.Children's Chronotype Questionnaire (CCTQ) is a parent report, 27-item mixed format questionnaire measuring chronotype of children in multiple domains : the midsleep point on free days (MSF), a morningness/eveningness scale(M/E) score, and a five-point chronotype (CT) score.

    Measured: baseline

Secondary outcomes (3)
  1. metabolic control

    metabolic control measured by number of hypo and hyperglycemic episodes over the past month

    Measured: baseline

  2. metabolic control

    metabolic control measured by the most recent hemoglobin A1c

    Measured: baseline

  3. treatment

    treatment measured by insulin dose per kilogram

    Measured: baseline

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted27 Jul 2021
  2. Study start6 Jul 2021
  3. Primary completionOct 2021 (estimated)
  4. Study completionDec 2021 (estimated)

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Observational
Observational model
Case only
Time perspective
Prospective
Enrolment
100 participants (estimated)
IDs, dates and publications
ClinicalTrials.gov ID
NCT04978662
Sponsor's protocol ID
120S789
Status last verified
Jul 2021
First submitted
6 Jul 2021
Last updated
27 Jul 2021
Results posted
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
No

Questions about this trial

What is this clinical trial studying?

An observational study of Diabetes Mellitus, Type 1, run by Marmara University at 1 site in Turkey (Türkiye).

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 2 inclusion and 4 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: status not confirmed, as of the sponsor's last update on 27 Jul 2021. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in Turkey (Türkiye). Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

Are results available for this study?

Results are not available in the source record.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

sleep wake patterns measured by actigraphy (time frame: baseline). The study lists 3 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 27 Jul 2021; AzTrials last refreshed its copy on 6 Nov 2026.

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