A National Screening Program for Islet Autoantibodies Among First-degree Relatives of T1D Patients

NCT ID: NCT06665815

Last Updated: 2025-05-20

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Total Enrollment

20000 participants

Study Classification

OBSERVATIONAL

Study Start Date

2024-12-15

Study Completion Date

2028-02-15

Brief Summary

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A national Screening program for the presence of Islet Autoantibodies (IA) in relatives of people with type 1 diabetes (PWT1D) aiming at identifying people with pre-clinical (stage 1 \& 2) T1D and DKA prevention on the clinical presentation of T1D. All participants will be screened at study entry for the presence of 4 islet autoantibodies: glutamic acid decarboxylase antibody (GADA), insulinoma-associated-2 antibody (IA-2A), insulin antibodies (IAA) and Zinc transporter-8 antibodies (ZnT8A). The ADAP assay will be used to detect IA.

A confirmation blood sample for positive participants with two or more IA will be taken. The confirmation analysis will be done by the ADAP assay, conventional ELISA, and RIA.

Participants identified as part of the study with pre-symptomatic type 1 diabetes (T1D) (stages 1 and 2) will be referred to complete an educational program emphasizing DKA prevention as part of routine medical care .During the study, cases of stage 2 and stage 3 diabetes and DKA events in participants who are positive for IA will be documented.

Detailed Description

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Conditions

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Type 1 Diabetes Autoantibodies Screening

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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Negative result at the autoantibodies screening test

1. Participants without positive autoantibodies will not be confirmed or referred to follow up
2. Participants with only one positive autoantibody, will be referred to perform regular follow up as part of routine medical care according to the international consensus guidelines published in July 2024

No interventions assigned to this group

Positive result at the autoantibodies screening test

Participants with two or more positive autoantibodies:

1. will be invited to perform a confirmation test as part of the study
2. If confirmed as having pre-symptomatic type 1 diabetes (T1D) (stages 1 / 2), participants will be referred to complete an educational program emphasizing on DKA prevention and to perform regular follow-up according to the international consensus guidelines published in July 2024, as part of routine medical care

No interventions assigned to this group

Eligibility Criteria

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Inclusion Criteria

* Age 2-45 years
* First-degree relatives of Type 1 Diabetes probands
* Signing an informed consent

Exclusion Criteria

* Known diabetes of any kind (type 1, type 2, MODY)
* Have a previous history of being treated with insulin or oral diabetes medications.
* Currently, using systemic immunosuppressive agents (topical and inhaled agents are acceptable)
Minimum Eligible Age

2 Years

Maximum Eligible Age

45 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

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Rabin Medical Center

OTHER

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Principal Investigators

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Moshe Phillip, Prof.

Role: PRINCIPAL_INVESTIGATOR

Schneider Children's Medical Center

Locations

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Schneider Children Medical Center of Israel

Petah Tikva, , Israel

Site Status RECRUITING

Countries

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Israel

Central Contacts

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Moshe Phillip, Prof.

Role: CONTACT

972-544-795995

Alona Hamou, Msc

Role: CONTACT

972-545-950277

Facility Contacts

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Alona Hamou, MSc

Role: primary

972-545-950-277

Other Identifiers

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0483-24RMC

Identifier Type: -

Identifier Source: org_study_id

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