Blood test may predict immunotherapy success in advanced cancers
NCT ID NCT06227728
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study is observing 50 adults with advanced cancers (lung, breast, colorectal, gastric, or liver) who are starting immunotherapy. Researchers want to see if changes in ctDNA (bits of tumor DNA in the blood) can predict early whether the treatment is working. They will also check if standard markers like PD-L1 and TMB help predict response. The goal is to find better ways to monitor treatment without relying only on scans.
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Study facts
What this study's own registry entry says, in plain language.
- Participants
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About 50 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Mar 2024
- Expected to finish
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Dec 2026
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
This study population will include female and male, aged 18 and older, who are diagnosed with advanced stage of Non-small cell lung cancer, breast cancer, colorectal cancer, gastric caner and liver caner and indicated for ICI or ICI combined with chemotherapy. Eligible participants will meet all of the inclusion and exclusion criteria to be recruited into this study.
- Ages
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18 to 80 years
- 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: * 18 years and older, both genders. * Patients are diagnosed with stage IV cancer (lung, colorectal, breast, liver, gastric…) and indicated for ICI (first or second line). Concurrent chemotherapy with ICI is allowed. * FFPE/FNA sample is available. * Compliant with treatment protocol. * Patients consented to participate in the study. Exclusion Criteria: * Patients already started ICI before enrollment. * Consolidation ICI (eg. Durvalumab). * Patients already started chemotherapy before enrollment. * Medical or psychiatric conditions or occupational responsibilities that may preclude compliance with the protocol. * Patients did not agree to participate in the studies.
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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
2 sites. 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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Medical Genetics Institute
NOT_YET_RECRUITINGHo Chi Minh City, Vietnam
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University of Medicine and Pharmacy at HCMC
RECRUITINGHo Chi Minh City, Hồ Chí Minh, Vietnam
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