Should all young cancer patients get genetic testing? study investigates
NCT ID NCT04533555
First seen Jun 27, 2026 · Last updated Sep 17, 2026 · Updated 2 times
Summary
This study looked at whether offering genetic testing to all young adults with cancer (ages 18-39) is better than only testing those who meet certain guidelines. About 749 participants were randomly assigned to either universal testing with a broad gene panel or standard testing based on doctor's judgment. The goal was to see which approach finds more inherited genetic risks that could affect patients and their families.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- broad gene panel for young adult cancers
- What this could lead to
- If successful, this could lead to a simpler, more effective way to identify genetic risks in young cancer patients and their families.
- What could go wrong
- This is a completed study comparing testing strategies, not a treatment trial. Results may not change current practice if universal testing proves too costly or impractical.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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749 people
The number who actually took part.
- Started
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Dec 2020
- Finished
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Sep 2025
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 40 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Patients will be eligible if they meet the following criteria: * Diagnosed with a solid tumor between age 18-39 (patients may be 40 years of age at time of enrollment) * Within one year of diagnosis with index cancer * Have had at least two visits at Penn Medicine for the cancer diagnosis (to exclude one-time second opinions) Exclusion Criteria: Patients will be excluded if they meet any of the following criteria: * Diagnosis of in situ cancer, thyroid cancer (papillary or follicular), or leukemia Breast cancer diagnosis (aim 1 only) * Have a known genetic predisposition to cancer * Underwent genetic testing after this cancer diagnosis * Have a benign neoplasm
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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University of Pennsylvania
Philadelphia, Pennsylvania, 19104, United States
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