Can a lab test tell which chemo works for colon cancer?
NCT ID NCT07830407
First seen Sep 21, 2026 · Last updated Sep 21, 2026
Summary
Researchers are studying whether a laboratory test called ChemoINTEL can predict how a patient's colorectal cancer will respond to chemotherapy. The study enrolls 100 adults with colorectal cancer, including those receiving adjuvant chemotherapy, those with high-risk stage II disease not receiving chemotherapy, and those with locally advanced rectal cancer who responded completely to chemoradiotherapy. Tumor samples and optional blood samples go to a lab, where scientists run the assay without seeing clinical details. The goal is to see if the test's predictions match how patients actually respond, measured by ctDNA in the blood after chemotherapy.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- ChemoINTEL assay, a lab test that measures chemotherapy-induced cell death in a patient's tumor cells
- What this could lead to
- If the assay predicts chemotherapy response accurately, doctors could one day choose colorectal cancer drugs based on a patient's tumor biology rather than trial and error.
- What could go wrong
- This is an early observational study with 100 participants, and the assay results are not shared with treating doctors. The test may not predict real-world outcomes, and it is not yet a proven clinical tool.
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 100 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Apr 2026
- Expected to finish
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Apr 2030
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
Who is studied
Colorectal Cancer Diagnosis
- 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 Group 1 Participants: 1. ≥18 years of age 2. Diagnosis of CRC i. Surgical resection followed by adjuvant chemotherapy ii. Biopsy followed by neoadjuvant chemo/radiotherapy and surgical resection. 3. Patients planned to receive at least 6 cycles of standard of care chemotherapy for CRC with single agent or combination of drugs listed in Table 3 following biopsy OR surgical resection 4. One solid tumor specimen is required; a total of two specimens are preferred and requested when available. Specimens will include: i. Primary solid tumor specimen (≥400 mg) ii. Adjacent normal tissue (\>400mg) 5. Patient signed Informed Consent Form Exclusion Criteria Group 1 Participants: 1. Patient has not signed an ICF to participate in a clinical investigation 2. Patient has a cancer other than advanced stage CRC 3. Patient is NOT expected to receive SOC chemotherapy, single agents or combination treatment, as listed in Table 3 4. Patients who do not have at sufficient viable cells recovered from fresh tumor dissociation available for the ChemoINTEL assay analysis of Fluorouracil (5-FU), Oxaliplatin, Irinotecan, and Capecitabine
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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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Liverpool University Hospital NHS Foundation Trust
RECRUITINGLiverpool, Merseyside, L7 8YE, United Kingdom
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