New smart drug targets cancer cells while sparing healthy ones
NCT ID NCT07277270
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests a new medicine, GSK5764227, that delivers a toxin directly to cancer cells to destroy them while leaving healthy cells alone. It is given together with standard treatments to people with advanced solid tumors like colorectal or prostate cancer. The main goals are to check safety, how the body handles the drug, and whether it can shrink or control the cancer.
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.
- Phase
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Phase 1
The first testing in people. Mainly checks safety and dose, usually in a small group.
- Participants
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About 84 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Dec 2025
- Expected to finish
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Sep 2028
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.
- 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: * Has an ECOG performance status of 0 or 1, with no deterioration in the 2 weeks before first dose. * Has adequate organ function. * Has histologically confirmed unresectable adenocarcinoma or unresectable metastatic adenocarcinoma of the colon or rectum. (Cohort A) * Histologically or cytologically confirmed adenocarcinoma of the prostate (Cohort B) Exclusion Criteria: * Has a malignancy (except disease under study) that has progressed or required active treatment within the past 24 months except for basal cell or squamous cell carcinomas of the skin or in-situ carcinomas \[e.g., breast, cervix, bladder\] that have been resected with no evidence of disease. * Has had any major surgery within 28 days prior to first dose. * Has clinically significant bleeding symptoms or significant bleeding tendency within 1 month prior to the first dose. * Has serious infection within 4 weeks prior to the first dose, * Has untreated brain or central nervous system (CNS) metastases or brain/CNS metastases that have progressed * Any evidence of current interstitial lung disease (ILD) or pneumonitis OR a prior history of ILD requiring high-dose glucocorticoids or non-infectious pneumonitis requiring high-dose glucocorticoids. * Has a history of autoimmune disease that has required systemic treatments in the 2 years prior to screening. * Has received immunosuppressive agents within 30 days prior to first dose of study intervention (or requires long-term \[30 days or longer\]). Low-dose corticosteroids (prednisone ≤10 milligrams (mg)/day or equivalent) may be administered.
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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
6 sites in 3 countries. 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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GSK Investigational Site
RECRUITINGLake Success, New York, 11042, United States
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GSK Investigational Site
RECRUITINGTugun, Queensland, 4224, Australia
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GSK Investigational Site
RECRUITINGBarcelona, 08035, Spain
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GSK Investigational Site
RECRUITINGMadrid, 28034, Spain
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GSK Investigational Site
RECRUITINGMadrid, 28050, Spain
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GSK Investigational Site
RECRUITINGMálaga, 29010, Spain
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