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Investigator initiated, randomised, placebo-controlled, double-blind, multi-centre primary intervention study to assess whether daily administration of B. infantis EVC001 from age 7 days to 6 weeks (+14 days) until age 12 months (+ 14 days) to children with elevated genetic risk for type 1 diabetes reduces the cumulative incidence of beta-cell autoantibodies in childhood.
Full description
The GPPAD-04 SINT1A study will evaluate whether early, regular supplementation with a daily dose of a probiotic can reduce the risk of developing beta-cell autoimmunity in children identified by GPPAD-02 as being genetically predisposed to developing type 1 diabetes. Children will be enrolled at age 7 days to 6 weeks (+14 days) and the study product (B. infantis EVC001 or Placebo) will be administered orally once per day from enrollment until age 12 months (+14 days).
The hypotheses is that administration of B. infantis may have a positive influence on the intestinal flora and thus have a regulating effect on the immune system. The study is designed to investigate whether pathogenic immune reactions as in type 1 diabetes but also in other diseases, such as celiac disease, can be reduced and if the disease can be prevented.
Children will be followed until age 3.5 - 6.5 years (2.5 - 5.5 years after end of treatment).
Throughout the study data will be collected by regular study visits, phone calls with the families and electronic questionaires.
Blood samples will be collected to investigate glucose, HbA1c, beta-cell autoantibodies, transglutaminase antibodies, vaccine responses, genetic susceptibility and mechanistic markers. Stool samples will be collected for further assessments such as colonization,microbiome, pH and calprotectin.
Exploratory outcomes (allergy, vaccine responses, stool microbiome, blood metabolomics, stool pH and calprotectin or site specific ancillary measurements) may be assessed or in part assessed on a portion of the participants after unblinding the study. They may not necessarily be included in the primary outcome analysis and publication.
GPPAD is committed to sharing of data in compliance with all applicable European and GPPAD Consortium Member State, Data Protection and Privacy Protection laws, rules and regulations.
Pseudonymized data of the GPPAD-04 SINT1A study will be available to the scientific community after the publication of the trial analysis, which is anticipated in 2028. The SINT1A data will be available upon request.
Enrollment
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Inclusion criteria
Infants between the ages of 7 days and 6 weeks (+14 days in case of illness or COVID-19 related issues or unexpected delay in result reporting) at the time of randomisation.
A 10% or higher genetic risk to develop multiple beta-cell autoantibodies by age 6 years:
Written informed consent signed by the custodial parent(s).-
Exclusion criteria
Primary purpose
Allocation
Interventional model
Masking
1,149 participants in 2 patient groups, including a placebo group
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Central trial contact
Peter Achenbach, Prof. Dr.; Anette-G. Ziegler, Prof. Dr.
Data sourced from clinicaltrials.gov
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