Firefighter blood study seeks to uncover cancer clues
NCT ID NCT06870760
First seen Jun 25, 2026 · Last updated Jul 14, 2026 · Updated 3 times
Summary
This study looks at whether firefighters' exposure to hazardous chemicals leads to pre-cancerous changes in their blood. Researchers will collect blood samples from 300 firefighters aged 40-49 with at least 5 years on the job. The goal is to find early markers that might predict future blood cancers like leukemia or lymphoma.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- What this could lead to
- If successful, this study could reveal how firefighting exposures raise the risk of blood cancers, pointing toward better prevention or screening.
- What could go wrong
- This is an observational study, not a treatment trial. It may not prove cause and effect, and results might not apply to all firefighters or other groups.
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.
- Participants
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About 300 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jun 2026
- Expected to finish
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Apr 2027
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.
Who is studied
Firefighters ages 40-49 years old, currently employed by Charlotte Fire Department (CFD) with at least 5 years on the job experience (self-reported)
- Ages
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40 to 49 years
- 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: 1. Written informed consent and HIPAA authorization for release of personal health information. 2. Age ≥ 40-49 years at the time of consent (self-reported) 3. Ability of the participant to understand and comply with study procedures for the entire length of the study 4. Currently employed by Charlotte Fire Department (CFD) with at least 5 years on-the -job experience (self-reported) Exclusion Criteria: Anyone with a current diagnosis of a hematologic malignancy will be excluded.
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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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Levine Cancer Institute
RECRUITINGCharlotte, North Carolina, 28204, United States
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