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Genetics of Ventriculo-arterial Discordance

Genetics of Ventriculo-arterial Discordance

Not Recruiting
100 years and younger
All
Phase N/A

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Overview

Number of centres planned : 16 centres in France

Type of study / Study design : Research Involving the Human Person category 2.

Multicentric. Prospective

Planning of the study : Total duration: 22 years. Recruitment period: 24 months. Follow-up

time per patients : 20 years

Expected number of cases : 300 index cases: 150 single index cases and 150 trio families

Treatment, procedure, combination of procedures under consideration :

  • Blood samples for genetic analyses collected at the inclusion visit for patients and parents in case of trio families

Schedule of different visits and examinations :

Inclusion visit:

  • Collection of demographic, clinical data from the index case and parents
  • DNA sampling for genetic research (biocollection) of the index case or family trio
  • Completion of the quality of life questionnaire

Annual visit with a 20 year follow-up:

  • Retrieval of data from the index case
  • Completion of the quality of life questionnaire

Eligibility

Inclusion Criteria:

  • Patients with transposition of the great arteries or transposition congenitally corrected of the great arteries with healthy parents and no family history of congenital heart disease (familial trio)
  • Or patients with transposition of the great arteries or transposition congenitally corrected of the great arteries with or without a history of congenital heart disease (familial form or sporadic case)
  • Affiliated or beneficiaries of a social security scheme or similar
  • After obtaining oral consent from patients and/or parents if applicable

Parents (for family trios) :

  • Biological parents of the child included in the PRECIPED study

Exclusion Criteria:

  • Patients with transposition of the great arteries or transposition congenitally corrected of the great arteries with hypoplastic ventricle or atrioventricular and/or ventriculoarterial valve atresia
  • Patient with an identified malformation syndrome
  • Patients under guardianship/curatorship
  • Patients with State Medical Aid
  • Refusal of consent by the patient and/or one of the two parents

Study details
    Heart Defects
    Congenital

NCT05330338

Nantes University Hospital

19 December 2025

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