RecruitingNCT05139784

BeAT1D: Benign Autoimmunity and Type 1 Diabetes


Sponsor

Institut National de la Santé Et de la Recherche Médicale, France

Enrollment

740 participants

Start Date

Oct 24, 2022

Study Type

OBSERVATIONAL

Conditions

Summary

National multi-center non-interventional case-control cohort study with collection of biological samples to characterize the autoimmune T and B lymphocytes involved in the development of type 1 diabetes.


Eligibility

Min Age: 1 Year

Inclusion Criteria4

  • Type 1 diabetes: type 1 diabetes, as defined by hyperglycemia and long-term insulin therapy started within 6 months from clinical onset; and/or the presence of at least one anti-islet auto-antibody.
  • Other forms of diabetes or autoimmune endocrinopathy: other forms of diabetes (e.g. type 2, ketosis-prone, familial, secondary, immunotherapy-induced diabetes); and/or other autoimmune endocrinopathies, isolated or multiple.
  • No diabetes: absence of diabetes or impaired glucose tolerance; absence of tumor, infectious or immune pathologies, or other conditions related to autoimmune or metabolic alterations that may bias the variables under study.
  • Lymphadenectomy planned in the frame of an abdominal surgery: pancreatic lymphadenectomy planned at the occasion of an abdominal surgery for the treatment of an underlying condition.

Exclusion Criteria1

  • For all participants: ongoing pregnancy; known HIV/HCV infection; absence of social security coverage; placement under judicial protection; absence of signature of the informed study consent.

Interventions

OTHERBiosampling

Collection of blood and stool specimens; and collection of lymph node specimens for the group undergoing surgical lymphadenectomy.


Locations(17)

APHP Hôpital Avicenne

Bobigny, Île-de-France Region, France

APHP Hôpital J. Verdier

Bondy, Île-de-France Region, France

APHP Hôpital L. Mourier

Colombes, Île-de-France Region, France

Hôpital Sud Francilien

Corbeil-Essonnes, Île-de-France Region, France

Hôpital Mignot - Service de Pédiatrie

Le Chesnay, Île-de-France Region, France

Hôpital Mignot - Services de Diabétologie/Endocrinologie Adultes

Le Chesnay, Île-de-France Region, France

APHP Hôpital Kremlin-Bicêtre

Le Kremlin-Bicêtre, Île-de-France Region, France

APHP Hôpital Lariboisière

Paris, Île-de-France Region, France

APHP Hôpital Saint Antoine

Paris, Île-de-France Region, France

APHP Hôpital Pitié-Salpêtrière - Service de Chirurgie

Paris, Île-de-France Region, France

Hôpital Pitié-Salpêtrière - Service de Diabétologie

Paris, Île-de-France Region, France

APHP Hôpital Cochin - Service de Chirurgie

Paris, Île-de-France Region, France

APHP Hôpital Cochin - Service de Diabétologie et Immunologie Clinique

Paris, Île-de-France Region, France

APHP Hôpital Européen G. Pompidou

Paris, Île-de-France Region, France

APHP Hôpital Bichat

Paris, Île-de-France Region, France

APHP Hôpital R. Debré

Paris, Île-de-France Region, France

Hôpital René Dubos

Pontoise, Île-de-France Region, France

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NCT05139784


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