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Host-microbiota-environment Interactions — MIP-1  

Inflammatory Bowel Diseases Clinical Trial

Official title:
Study of the Determinants of Pediatric Onset Inflammatory Diseases: Host-microbiota-environment Interactions

Clinical Trial Summary

Two types of inflammatory and autoimmune diseases (excluding monogenic diseases) can be distinguished in children: those similar to adult diseases but with an early onset (type 1 diabetes, inflammatory diseases of the gastrointestinal tract, rheumatoid arthritis with anti-CCP antibodies) and those specific to children that are not described in adults (early-onset juvenile idiopathic arthritis with anti-nuclear and anterior uveitis). The familial and nosological aggregations suggest that these diseases are probably polygenically determined, and result from interactions with the environment. In a singular way, the incidence of "adult" diseases is increasing while the age of onset is getting earlier; conversely, there is no increase in early-onset juvenile idiopathic arthritis. On the other hand, the influence of early events that may alter the microbiotic environment is different for different diseases: whereas cesarean section (or early antibiotic therapy) has been shown to increase the risk of JIA and T1DM, it does not seem to change the risk of IBD. We hypothesize that environmental factors, particularly those related to diet and bacterial and fungal digestive microbiota - are different between these disease categories.

Clinical Trial Description

Exploratory pathophysiology monocentric study including an initial case-control study, followed by a cohort for cases. Controls will be siblings of cases with longitudinal follow-up. Stool samples will be collected simultaneously from the child with JIA, T1DM or IBD (case) and his/her sibling(s) (control): - at the time of diagnosis - two months after diagnosis (for children with inflammatory disease only) - one year after diagnosis (cases and controls) Tryptase level in plasma will be recorded for the child with JIA, T1DM or IBD (at the time of diagnosis, 2 months and 1 year after diagnosis) ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT05176795
Study type Observational
Source University Hospital, Clermont-Ferrand
Contact Lise LACLAUTRE
Phone +33473754963
Email promo_interne_drci@chu-clermontferrand.fr
Status Recruiting
Phase
Start date March 16, 2022
Completion date September 2026
View Details
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