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ObesityIPONCT03960333

Immunometabolism in Pediatric Obesity

An observational study of Obesity and Type 2 Diabetes Mellitus, run by Arkansas Children's Hospital Research Institute at 1 site in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

This is a study to learn about obesity and how insulin resistance and Type 2 Diabetes develops in children. Read more about this study

Who is it for?
Ages 5 to 17 years
How many people
82 participants
Where
1 siteUnited States
Study dates
25 Apr 2019to 30 Jun 2024
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 5 to 17 years
  • All sexes
  • Child

Study population: 110 children ages 5-17 years old will be recruited with the goal that approximately 80 subjects stratified across the following groups will complete the study: i) healthy lean (approximately n=20); ii) overweight/obese (approximately n=40, with the anticipation that approximately 20 of these children will be insulin resistant); iii) overweight/obese with T2D and prescribed Metformin (approximately n=20). Every attempt will be made to ensure that the desired number for each group is achieved and groups are balanced with respect to age, sex and ethnicity.

Who may be able to join

  • Age 5-17 years, inclusive
  • Either healthy lean (BMI≥ 5th percentile and <85th percentile for age/sex) or overweight (BMI ≥ 85th percentile and <95th) or obese (BMI ≥ 95th percentile for age/sex)
  • For those with BMI≥ 85th percentile for age/sex, parental verbal confirmation that the child had a history of BMI≥ 85th percentile for age/sex for at least six months prior to study enrollment OR
  • Age 5 years - 17 years 5 months, inclusive
  • Either overweight or obese (BMI≥ 85th percentile for age/sex)
  • Parental verbal confirmation that the child had a history of BMI≥ 85th percentile for age/sex for at least six months prior to study enrollment
  • Diagnosed with type 2 diabetes mellitus or insulin resistance
  • Prescribed metformin (either not yet taking or began taking within 3 weeks of enrollment)

Who cannot join

  • Having an infection (viral, respiratory, gastrointestinal) in the previous 4 weeks
  • Genetic or physical conditions impacting mobility over past year as determined by the PI
  • Having known chronic illnesses/disorders that may independently affect study outcome measures: type 1 diabetes mellitus, neurologic (e.g. epilepsy), developmental (developmental delay, autism spectrum disorder), endocrine (thyroid, Cushing's), hepatic, autoimmune, cardiac and renal disorders. Also, chronic lung disorders except well controlled asthma that does not require permanent use of inhaled/oral steroids
  • Taking any of the following medications that can affect study outcome: antipsychotics, thyroid hormone replacement therapy, inhaled/oral steroids, insulin, anabolic drugs (growth hormone replacement therapy and oxandrolone) and stimulants
  • Taking metformin prescribed as part of their clinical care for longer than 3 weeks at the time of enrollment (may begin metformin therapy prescribed as part of their clinical care while enrolled in the study)
  • BMI<5th percentile for age/sex (classified as underweight based on CDC growth charts)
  • Subjects determined ineligible by the PI or delegated staff.

Trial locations and contacts

1 site in 1 country.

United States1 site
  • Arkansas Children's Research Institute

    Little Rock, Arkansas, 72202

Other trials in United States

About this study

This is a study to learn about obesity and how insulin resistance and Type 2 Diabetes develops in children.

Read the detailed description

The main purpose of this proposed study is to determine whether the immunometabolic phenotypes of CD4+T cells from obese children is skewed towards Teff with mTOR-driven glycolysis and away from Tregs with AMPK-driven OXPHOS and whether metformin can reverse the immunometabolic phenotypes.

This study consists of:

  1. An observational cross sectional immune and metabolic analysis of several groups of children including lean, overweight/obese, and T2D.
  2. A prospective immune and metabolic analysis of newly diagnosed children with T2D or insulin resistance who will be or were recently prescribed metformin as part of their clinical care.

Children with T2D or insulin resistance who will be or were recently prescribed metformin, will be asked to complete two study visits. If completed, the second visit will occur 6 months (+/- 2 weeks) after beginning metformin as part of their clinical care. All other children, will be asked to complete only the first visit.

Keywords
Obesity, Type2 Diabetes Mellitus, Type2 Diabetes, Insulin Resistance, Metformin, Pediatric Health
Medical subject headings
Obesity, Diabetes Mellitus, Type 2, Insulin Resistance

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

Study groups in NCT03960333
Study groupRoleWhat they receive
Healthy LeanHealthy lean individuals (n=20) defined with a Body Mass Index (BMI) ≥ 5th percentile and <85th percentile for age/sex will be recruited. Participants in this cohort will be asked to complete a one-time study visit.
Overweight/ObeseOverweight/Obese individuals (n=20) defined with a Body Mass Index (BMI) ≥ 85th percentile for age/sex will be recruited. Participants in this cohort will be asked to complete a one-time study visit.
Type 2 Diabetes or Insulin ResistantObese individuals with Type 2 Diabetes or insulin resistance who have been recently prescribed Metformin and have a Body Mass Index (BMI) ≥ 85th percentile for age/sex (n=20) will be recruited. Participants in this cohort will be asked to complete a two study visits approximately 6 months apart.

What is being measured

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

  1. circulating CD4+T cells in Overweight/Obese vs Lean

    We will measure and report the percent of ATP derived from glycolysis and oxidative phosphorylation in circulating CD4+ T cells as well as the % CD4+CD25+CD127lowFoxP3+ cells (Tregs) in overweight/obese vs lean children.

    Measured: After completion of all study visits, approximately 2 years.

  2. circulating CD4+T cells in Type 2 Diabetic pre/post Metformin

    We will measure and report the percent of ATP derived from glycolysis and oxidative phosphorylation in circulating CD4+ T cells as well as the % CD4+CD25+CD127lowFoxP3+ cells (Tregs) in Type 2 Diabetic children pre and post-Metformin treatment.

    Measured: After completion of all study visits, approximately 2 years.

Timeline

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

  1. First posted23 May 2019
  2. Study start25 Apr 2019
  3. Primary completion5 Feb 2021
  4. Study completion30 Jun 2024

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
Other
Time perspective
Cross-sectional
Enrolment
82 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT03960333
Sponsor's protocol ID
228816
Other IDs
P20GM109096
Acronym
IPO
Status last verified
Feb 2025
First submitted
6 May 2019
Last updated
13 Feb 2025
Results posted
No
Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
Individual data sharing
Yes: The information collected at the study visit, urine, and stool samples, and remaining blood samples may be stored indefinitely and may be used for future research studies on pediatric nutrition or metabolism. Prior to the information collected at the study visit and samples being used for future research studies, the PI will assess the ethics and scientific merit of the proposed research with the samples, and proposed future research will be reviewed by the IRB as may be required.

Publications

  • Rose S, Landes RD, Vyas KK, Delhey L, Blossom S. Regulatory T cells and bioenergetics of peripheral blood mononuclear cells linked to pediatric obesity. Immunometabolism (Cobham). 2024 Apr 25;6(2):e00040. doi: 10.1097/IN9.0000000000000040. eCollection 2024 Apr.

    PubMed 38680993

Questions about this trial

What is this clinical trial studying?

An observational study of Obesity and Type 2 Diabetes Mellitus, run by Arkansas Children's Hospital Research Institute at 1 site in United States.

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 8 inclusion and 7 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: finished, as of the sponsor's last update on 13 Feb 2025. 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 United States. 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?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

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?

circulating CD4+T cells in Overweight/Obese vs Lean (time frame: After completion of all study visits, approximately 2 years.). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT03960333, which also lists 1 linked publication.

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 13 Feb 2025.

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