New blood test aims to catch cancers early in veterans
NCT ID NCT06523868
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study is testing a blood test called Galleri that looks for signs of many different cancers early. It involves 1,500 veterans who served on active duty for at least four years and are 45 or older. Researchers want to see how well the test finds cancer compared to standard screening methods.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- GRAIL Galleri multi-cancer early detection blood test
- What this could lead to
- If successful, this could show that a simple blood test helps catch multiple cancers earlier in veterans, potentially improving survival and treatment options.
- What could go wrong
- This is an early-stage study with no control group, so results may not prove the test saves lives. False positives could lead to unnecessary procedures and anxiety.
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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About 1,500 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Mar 2025
- Expected to finish
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Sep 2028
An estimate. End dates often move.
- 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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45 years and older
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Active-duty or National Guard/Reserves military service for four or more years * Age ≥ 45 * Received care at a VA facility within past 5 years * Able to sign informed consent * Willingness to travel to Dana-Farber Cancer Institute in Boston, MA, for diagnostic testing if screening test indicates possible malignancy Exclusion Criteria: * Individuals diagnosed with invasive malignancy within 3 years of enrollment (non- melanoma skin cancer is acceptable) * Individuals with evidence of symptomatic or active cancer requiring therapeutic intervention at the time of participation (hormone therapy for breast/prostate cancer is acceptable) * Individuals in the process of being evaluated for a clinical suspicion of cancer
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Dana-Farber Cancer Institute
RECRUITINGBoston, Massachusetts, 02215, United States
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