Status:

RECRUITING

Study of Families With an Hemopathies Predisposition Related to the DDX41 Gene.

Lead Sponsor:

Institut Claudius Regaud

Conditions:

DDX41 Gene Mutation

Eligibility:

All Genders

18+ years

Phase:

NA

Brief Summary

This is a multicenter, interventional, historico-prospective cohort pilot study aimed at specifying the phenotype of subjects carrying a constitutional familial DDX41 mutation, with a view to eventual...

Eligibility Criteria

Inclusion

  • Index cases:
  • Women or man aged ≥ 18 years old.
  • Personal history(s) of hemopathy or patient with hemopathy at the time of inclusion.
  • Patient with a tumor mutation of DDX41 with an allelic frequency (AF) ≥ 30% (with total depth of nucleotide position \>300x: provide tumor molecular analysis report).
  • Special case of inclusion of deceased index cases: the DDX41 tumor mutation of interest must be accompanied by another somatic DDX41 mutation (the most frequent being p.R525H).
  • Or patient known to be a constitutional carrier of a DDX41 mutation confirmed after oncogenetic consultation (in this case, provide constitutional analysis report).
  • Patient (or beneficiary) agreeing to release results of oncogenetic report.
  • Patient (or beneficiary) agrees to communicate the contact details of his relatives and that they may be contacted by mail to participate in the LUCID study.
  • Patient affiliated to a Social Health Insurance in France.
  • Patient able to participate and willing to give informed consent prior performance of any study-related procedures.

Exclusion

  • No history of hemopathy or no current hemopathy.
  • Patient (or beneficiary) unable to complete questionnaire for social or psychological reasons.
  • Patient who has forfeited his/her freedom by administrative or legal award or who is under legal protection (curatorship and guardianship, protection of justice).
  • Related cases (Family member):
  • Inclusion Criteria:
  • Women or man aged ≥ 18 years old.
  • Related to an index case included in the LUCID study.
  • Agreeing to carry out a scientific salivary test for the constitutional research of the DDX41 mutation.
  • Patient affiliated to a Social Health Insurance in France.
  • Patient able to participate and willing to give informed consent prior performance of any study-related procedures.

Key Trial Info

Start Date :

November 17 2023

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

January 1 2030

Estimated Enrollment :

910 Patients enrolled

Trial Details

Trial ID

NCT06022016

Start Date

November 17 2023

End Date

January 1 2030

Last Update

December 8 2025

Active Locations (5)

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Page 1 of 2 (5 locations)

1

Chu de Bordeaux

Bordeaux, France

2

Chu de Limoges

Limoges, France

3

Institut Paoli-Calmettes

Marseille, France

4

Chu de Montpellier

Montpellier, France