Collection of bio-specimens from patients with RASopathies

Investigation Into the Natural History and Metabolic and Molecular Basis of RASopathies.

Observational Children's Hospital Medical Center, Cincinnati · NCT04395495

This study is collecting samples from people with RASopathies to help researchers learn more about these rare genetic disorders and how they affect the body.

Quick facts

Study typeObservational
Enrollment1000 (estimated)
SexAll
SponsorChildren's Hospital Medical Center, Cincinnati Academic / other
Locations1 site (Cincinnati, Ohio)
Trial IDNCT04395495 on ClinicalTrials.gov

What this trial studies

This observational study aims to collect and store bio-specimens from patients diagnosed with or suspected to have RASopathies, a group of genetic disorders affecting the Ras/MAPK pathway. The study will gather various biological samples, including blood, tissue, and other bodily fluids, to investigate the metabolic and molecular basis of these conditions. Additionally, demographic and medical history data will be collected to create a comprehensive longitudinal database for future research. The goal is to better understand the commonalities and differences among these rare disorders.

Who should consider this trial

Good fit: Ideal candidates include patients with a suspected or confirmed diagnosis of any RASopathy, as well as their unaffected relatives.

Not a fit: Patients without a suspected or confirmed diagnosis of a RASopathy or those without affected relatives may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could enhance the understanding of RASopathies and lead to improved diagnostic and therapeutic strategies for affected patients.

How similar studies have performed: While this approach is focused on a specific group of rare disorders, similar studies have shown promise in understanding genetic conditions through biorepositories.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Patients with a suspected or known diagnosis of any of the group of disorders known as RASopathies (e.g., Neurofibromatosis, Costello Syndrome, Noonan Syndrome). Diagnosis may be made clinically and/or confirmed through genetic testing.
* Unaffected relatives of patients with a suspected or known diagnosis of any of the group of disorders known as RASopathies.

Exclusion Criteria:

* Individuals who do not have a suspected or definite diagnosis of a RASopathy.
* Individuals who do not have a relative with a suspected or definite diagnosis of a RASopathy.
* Patients who do not have the ability/capacity to undergo the informed consent process OR whose parent/legal guardian is unable to undergo the informed consent process.

Where this trial is running

Cincinnati, Ohio

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions RAS MutationNeurofibromatosis 1Noonan SyndromeNoonan Syndrome With Multiple LentiginesNoonan Neurofibromatosis SyndromeCardiofaciocutaneous SyndromeCostello SyndromeLegius Syndrome
Last reviewed 2026-06-13 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.