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Mapping the immune System's fight against certain cancers
NCT ID NCT04665388
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looks at how T cells (a type of immune cell) respond to liver cancer and cancers linked to Epstein-Barr virus (EBV) and human papillomavirus (HPV). About 105 participants will give blood and tissue samples once. Researchers will analyze these samples to identify cancer-specific T cells and their receptors. The goal is to better understand the immune response, not to test a new treatment.
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 research could help design better immunotherapies for these cancers by identifying key immune targets.
- What could go wrong
- This is an observational study, not a treatment trial. It is small (105 participants) and early-stage, so findings may not lead to direct patient benefits.
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 105 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Nov 2020
- Expected to finish
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Feb 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
Solid tumor patients, including patients with hepatocellular carcinoma (HCC) patients and Epstein-Barr virus (EBV)- human papillomaviruses (HPV)-related cancers.
- 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: 1. Patients with a histological or cytological diagnosis of: 1. EBV-related malignancies (e.g. nasopharyngeal cancer) 2. HPV-related malignancies, including squamous cell carcinoma of the head and neck, cervix, vulva or anal canal. HPV positivity is required for squamous cell cancers of the head and neck.; p16 positivity as a surrogate for HPV testing is acceptable. HPV positivity is not required for cervix, vulva or anal canal cancer. * For cancers of the anal canal, late stage distant metastatic tumor tissue is preferred. However, early stage primary site tissue is acceptable, if the tissue can be procured without contamination by intestinal microbiota. 3. For HCC, only patients who have above UHN institutional upper limit of normal levels of alpha-fetoprotein (AFP) in serum will be eligible. The diagnosis of HCC should be made based on standard of care with or without tumor tissue confirmation. 2. Patients must be ≥ 18 years old. 3. Patients must have provided voluntary written informed consent. Exclusion Criteria: 1\. Any condition that, in the opinion of the Investigator, would interfere with patient safety, or evaluation of the collected specimens and interpretation of study results.
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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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Princess Margaret Cancer Centre
RECRUITINGToronto, Ontario, M5G 2M9, Canada
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Other studies related to the condition(s) this trial covers.
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- AI-Enhanced ultrasound aims to catch liver cancer earlier
- Can turbocharged immune cells stop liver cancer from coming back?
- Can a new drug shield kidneys from chemotherapy damage?
- Two blood markers put to the test for early liver cancer detection