NCT06157736

Brief Summary

The goal of this observational study is to learn more about the microbiome and metabolome of children with type 1 diabetes (T1D). The main questions it aims to answer are:

  1. 1.Do the microbiome and metabolome play a role in the onset and presentation of T1D?
  2. 2.How do the microbiome and metabolome evolve during the early stages of T1D?
  3. 3.Are there are differences in the microbiome or metabolome of children who present with diabetic ketoacidosis (DKA) versus those who present without DKA, and between those who present with mild, moderate or severe DKA?
  4. 4.Is there an association between the microbiome or metabolome and glycaemic control during the first year of diagnosis?
  5. 5.Is there an association between the microbiome or metabolome and beta cell reserve after one year of T1D disease?

Trial Health

57
Monitor

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
100

participants targeted

Target at P50-P75 for all trials

Timeline
Completed

Started Oct 2023

Geographic Reach
1 country

1 active site

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

October 6, 2023

Completed
2 months until next milestone

First Submitted

Initial submission to the registry

November 27, 2023

Completed
9 days until next milestone

First Posted

Study publicly available on registry

December 6, 2023

Completed
1.7 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

August 31, 2025

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

August 31, 2025

Completed
Last Updated

May 30, 2024

Status Verified

May 1, 2024

Enrollment Period

1.9 years

First QC Date

November 27, 2023

Last Update Submit

May 28, 2024

Conditions

Outcome Measures

Primary Outcomes (1)

  • Describe evolution of the microbiome and metabolome during the early stages of new onset T1D

    Microbiome biodiversity in cases vs controls

    52 weeks

Study Arms (2)

Cases

Children with newly diagnosed T1D

Controls

Healthy siblings of cases

Eligibility Criteria

Age6 Months - 18 Years
Sexall
Age GroupsChild (0-17), Adult (18-64)
Sampling MethodProbability Sample
Study Population

All children aged between 6 months and 18 years who are admitted to hospital with a new diagnosis of T1D will be assessed for eligibility for enrolment to this study. Healthy siblings will be assessed for eligibility to be enrolled as controls in this study

You may qualify if:

  • Males and females with newly diagnosed T1D.
  • Aged between 6 months and 18 years at their first study visit.
  • Consent provided by parent/guardian to participate in this study.
  • Age dependent assent or consent obtained for participants aged 6-18 years

You may not qualify if:

  • Individuals who have a known diagnosis of inflammatory bowel disease or another medical condition which the study team deems might interfere with the microbiome.
  • Individuals with complex medical or behavioural needs that would deem the participant unable to participate in the study.
  • Have a significant acute or chronic co-existing illness (cardiovascular, gastrointestinal, endocrinological, immunological, metabolic) or any condition which contraindicates entry to the study according to the investigator's judgement.
  • Participants who are receiving treatment involving experimental medications.
  • If the participant took part in a recent experimental trial, the trial must have been completed not less than 30 days prior to participation in this study.
  • Have a malignant disease or any concomitant end-stage organ disease

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Cork University Hospital

Cork, Ireland

RECRUITING

Related Publications (1)

  • Kennedy EC, Ross FC, O'Shea CA, Lavelle A, Ross P, Dempsey E, Stanton C, Hawkes CP. Observational study protocol: the faecal microbiome in the acute stage of new-onset paediatric type 1 diabetes in an Irish cohort. BMJ Open. 2025 Jan 30;15(1):e089206. doi: 10.1136/bmjopen-2024-089206.

Biospecimen

Retention: SAMPLES WITH DNA

Stool Urine Blood

MeSH Terms

Conditions

Diabetes Mellitus, Type 1

Condition Hierarchy (Ancestors)

Diabetes MellitusGlucose Metabolism DisordersMetabolic DiseasesNutritional and Metabolic DiseasesEndocrine System DiseasesAutoimmune DiseasesImmune System Diseases

Study Officials

  • Colin Hawkes

    University College Cork

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Elaine Kennedy

CONTACT

Study Design

Study Type
observational
Observational Model
CASE CONTROL
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Associate Professor of Pediatrics

Study Record Dates

First Submitted

November 27, 2023

First Posted

December 6, 2023

Study Start

October 6, 2023

Primary Completion

August 31, 2025

Study Completion

August 31, 2025

Last Updated

May 30, 2024

Record last verified: 2024-05

Data Sharing

IPD Sharing
Will not share

Locations