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.
Study Type
OBSERVATIONAL
Enrollment
20,000
Schneider Children Medical Center of Israel
Petah Tikva, Israel
RECRUITINGThe prevalence of multiple antibodies among first-degree relatives of Type I Diabetes probands in Israel
Time frame: End of screening, 3 years after obtaining the first screening test
The prevalence of Diabetic Ketoacidosis at Type 1 Diabetes presentation among the screened cohort
Time frame: End of screening, 3 years after obtaining the first screening test
Proportion and rate of progression from stage 1 to stage 2 and stage 3 Type 1 Diabetes
Time frame: End of screening, 3 years after obtaining the first screening test
>500 individuals with pre-clinical Type 1 Diabetes identified in the cohort
Time frame: End of screening, 3 years after obtaining the first screening test
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