Clinical trial Recruiting at 3 sites Observational Ages 4 Weeks and up

Understanding rare solid tumors and their genetic factors

Official title: Natural History and Biospecimen Acquisition Study for Children and Adults With Rare Solid Tumors

Run by National Institutes of Health Clinical Center (CC) · NCT03739827 · Data updated 2026-11-12

This study is looking to learn more about rare solid tumors and their genetic factors by collecting samples and medical histories from people who have these tumors to help improve future treatments and prevention.

Quick facts

Study typeObservational
Ages4 Weeks and up
SexAll
Enrollment10000 (estimated)
SponsorNational Institutes of Health Clinical Center (CC)
NIH
Drugs / interventionsradiation
Locations3 sites (Bethesda, Maryland and 2 other locations)
StatusRecruiting
StartedJanuary 28, 2019
Main results expectedMay 31, 2028
Study endsMarch 31, 2032
Registry record updatedNovember 9, 2026
Trial IDNCT03739827 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates include individuals diagnosed with rare solid tumors, those with a family history of such tumors, or individuals with genetic variants predisposing them to rare tumors.

Probably not a fit

Patients with common solid tumors or those without any genetic predisposition to rare tumors may 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 aims to investigate the natural history and genetic characteristics of rare solid tumors by collecting biological samples and medical histories from affected individuals. Participants will be screened based on their medical and family histories, and those with rare tumors will have their medical records reviewed. The study seeks to gather valuable data that could lead to improved screening, prevention, and treatment strategies for rare cancers.

Why it matters

Potential benefit: If successful, this study could enhance understanding of rare solid tumors, leading to better screening and treatment options for patients.

How similar studies have gone: Previous studies on rare tumors have shown that even non-interventional research can lead to significant advancements in understanding and treating these conditions.

Who can join: the full rules

Show full inclusion / exclusion criteria
* INCLUSION CRITERIA:
* Cohort 1: Participants with a diagnosis of a rare solid tumor (fewer than 15 cases in 100,000 people per year). There are no age restrictions beyond the neonatal period (4 weeks).

OR

-Cohort 2: Participants without a rare tumor who have a germline genetic variant that predisposes to a rare solid tumor

OR

-Cohort 3: Relatives of participants with diagnosis of rare solid tumors who do NOT have a known germline variant that predisposes to a rare solid tumor

OR

* Cohort 4: Parent/guardian of child participating in a focus group if not already enrolled on the study.
* Ability of subject or Legally Authorized Representative (LAR) to understand and the willingness to sign a written informed consent document.

EXCLUSION CRITERIA:

None

Where it's running

  • National Institutes of Health Clinical Center
    Bethesda, Maryland, United States
    Recruiting
  • Oregon Health and Science University
    Portland, Oregon, United States
    Recruiting
  • Texas Children's Hospital
    Houston, Texas, United States
    Recruiting

Study contacts

  • Principal investigator: Mary F Wedekind Malone, D.O. — National Cancer Institute (NCI)
  • Study coordinator: Barbara J Thomas, R.N.
  • Email: barbara.thomas2@nih.gov
  • Phone: (240) 858-3633

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.