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Mapping the immune System's fight against certain cancers

NCT ID NCT04665388

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

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

About 105 people

The number the study aims to enrol. It can still change while the study runs.

Started

Nov 2020

Expected to finish

Feb 2027

An estimate. End dates often move.

Lead sponsor

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

18 years and older

Sex

Anyone

Healthy volunteers

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

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.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. 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

  • Princess Margaret Cancer Centre

    RECRUITING

    Toronto, Ontario, M5G 2M9, Canada

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