Clinical trial Recruiting at 14 sites Observational Ages Any age to 15

Analyzing blood abnormalities in children with RAS mutations

Official title: Hematological Anomalies in Children With Rasopathy

Run by Assistance Publique - Hôpitaux de Paris · NCT04286360 · Data updated 2026-11-12

This study looks at blood issues in children with RAS mutations to see how these problems develop over time and to help improve their care.

Quick facts

Study typeObservational
AgesAny age to 15 Years
SexAll
Enrollment300 (estimated)
SponsorAssistance Publique - Hôpitaux de Paris
Academic / other
Locations14 sites (Angers and 13 other locations)
StatusRecruiting
StartedNovember 11, 2020
Main results expectedMay 2025
Study endsNovember 2029
Registry record updatedJune 4, 2024
Trial IDNCT04286360 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are children under 16 years old with a newly diagnosed genetically confirmed RASopathy.

Probably not a fit

Patients with a history of hematological malignancy will not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This observational study focuses on children diagnosed with RASopathies, such as Noonan syndrome, to investigate various hematological anomalies that may arise. It aims to analyze peripheral blood cell counts and smears at diagnosis and one year later, tracking the incidence, age of occurrence, and evolution of these abnormalities. The study includes biobanking for patients under three years of age to facilitate further research. The findings will help establish guidelines for screening and follow-up care in affected children.

Why it matters

Potential benefit: If successful, this study could improve the understanding and management of hematological issues in children with RASopathies, potentially preventing severe complications.

How similar studies have gone: While similar studies have explored hematological anomalies in related conditions, this specific longitudinal approach to RASopathies is relatively novel.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Age \< 16 years
* Patient newly diagnosed with genetically confirmed rasopathy : Noonan syndrome, type 1 neurofibromatosis, Noonan syndrome with multiple lentigines, CBL syndrome, Costello syndrome, cardiofaciocutaneous syndrome or Legius syndrome i.e. with a germline mutation of one of these genes: PTPN11, SOS1, NRAS, RAF1, BRAF, SHOC2, MEK1, MEK2, CBL, NF1, SPRED1, KRAS, HRAS, NF1, SHOC2, LZTR1, SOS2, RIT1, RASA2, RRAS, PPP1CB, or a new gene of interest published during the recruitment period
* No history of hematological malignancy
* Written informed consent obtained from the parents
* Health insurance

Exclusion Criteria:

* History of malignant hematological pathology

Where it's running

  • CHU Angers
    Angers, France
    Recruiting
  • CHU Caen
    Caen, France
    Recruiting
  • CHU Lille
    Lille, France
    Recruiting
  • CHU Lyon
    Lyon, France
    Recruiting
  • CHU Marseille - Hôpital de la Timone
    Marseille, France
    Recruiting
  • CHU Montpellier
    Montpellier, France
    Recruiting
Show 8 more locations
  • CHU Nantes
    Nantes, France
    Recruiting
  • Hôpital Necker APHP
    Paris, France
    Recruiting
  • Hôpital Robert Debré APHP
    Paris, France
    Recruiting
  • Hôpital Robert Debré APHP
    Paris, France
    Recruiting
  • Hôpital Trousseau APHP
    Paris, France
    Recruiting
  • CHU Rennes
    Rennes, France
    Recruiting
  • CHU Strasbourg
    Strasbourg, France
    Recruiting
  • CHU Toulouse
    Toulouse, France
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.