A simple blood draw could spot colorectal cancer early
NCT ID NCT07035691
First seen Aug 12, 2026 · Last updated Sep 09, 2026 · Updated 3 times
Summary
This study is testing whether a blood test can accurately identify colorectal cancer or polyps in adults referred for suspected lower GI cancer. Participants provide a blood sample during their routine diagnostic visit, and their results are compared to their final diagnosis. The study also explores patient preferences for blood-based tests versus more invasive procedures like colonoscopy.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- A blood test measuring progastrin (hPG80) and transposable elements (TEs)
- What this could lead to
- If accurate, this blood test could offer a less invasive way to detect colorectal cancer and polyps, potentially reducing the need for colonoscopies.
- What could go wrong
- This is an observational study, so it won't prove the test works in practice. The biomarkers may not be accurate enough, and results may not apply to all patients.
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 582 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jun 2025
- Expected to finish
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Aug 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
All adult patients who are referred by the GPs to the Barts Health NHS trust under the 2WW referral pathway and the STT pathway would be potentially eligible. We are planning to recruit patients initially only from the Royal London Hospital site and there is potential to expand recruitment to other hospital sites of Barts Health NHS Trust, if necessary.
- Ages
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18 years and older
- 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.
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: * Adult, lower GI 2WW and or Straight to Test (STT) referral patients with suspected lower GI cancer. * Male and Female patients aged \>18 years. * 2WW referral patients with no history of inflammatory bowel disease. * Performance status (ECOG 0-2; and 3 pending clinical assessment of fitness). * Patients with capacity to consent to the study. Exclusion Criteria: * Any patients referred outside of the 2WW and or STT referral pathways with suspected Lower GI cancer or those referred as an emergency with or suspected CRC. * Age \< 18 years. * Patients not fit for standard investigations (e.g. not fit for gastroscopy, colonoscopy or CT colonography) in the 2WW pathway. * Patients with no capacity to consent or who declined consent for participation. * Patients with untreated solid organ cancers. * Patients with known inflammatory bowel disease. * Patients with documented familial type CRC.
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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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Barts Health NHS Trust
RECRUITINGLondon, England, E1 2AT, United Kingdom
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