Engineered immune cells take aim at childhood cancers
NCT ID NCT07148050
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This early-stage trial tests a new type of immunotherapy for children and young adults with solid tumors that have not responded to standard treatments. The therapy uses the patient's own immune cells, which are genetically modified in the lab to recognize and attack cancer cells that carry a protein called GPC3. The main goals are to see if the treatment is safe and can be made successfully for each patient.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- genetically modified immune cells (CAR T cells) that target a protein called GPC3 on tumor cells
- What this could lead to
- If successful, this could point toward a new treatment option for children with hard-to-treat solid tumors that have come back after standard therapy.
- What could go wrong
- This is a very early Phase 1 trial with only 21 participants, so it is primarily testing safety. The treatment may not shrink tumors, and there are risks of serious side effects like cytokine release syndrome.
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
-
Phase 1
The first testing in people. Mainly checks safety and dose, usually in a small group.
- Participants
-
About 21 people
The number the study aims to enrol. It can still change while the study runs.
- Started
-
Dec 2025
- Expected to finish
-
Apr 2044
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.
- Ages
-
1 year to 26 years
- 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 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.
1. Procurement Eligibility Inclusion Criteria: * Diagnosis of a solid tumor expressing GPC3 * Lansky or Karnofsky score of \>=60% * Life expectancy of \>16 weeks * Informed consent explained to, understood by and signed by patient/guardian. For patients with hepatocellular carcinoma only: * Barcelona Liver Cancer Stage A, B or C * Child-Pugh Turcotte Score \<7 Exclusion Criteria: * History of hypersensitivity reactions to murine protein-containing products OR presence of human anti-mouse antibody (HAMA) prior to enrollment for patients who have received prior therapy with murine antibodies. * History of organ transplantation * Known HIV positivity * Active bacterial, fungal, or viral infection (except Hepatitis B or Hepatitis C virus infections) 2. Treatment eligibility Inclusion Criteria: * Lansky or Karnofsky score of \>=60% * Life expectancy of \>16 weeks * Informed consent explained to, understood by and signed by patient/guardian. * Adequate organ function * Adequate laboratory values * Refractory or relapsed disease after treatment with up- front therapy and at least one salvage treatment cycle * Recovered from acute toxic effects of all prior chemotherapy and investigational agents before entering this study * Sexually active patients must be willing to utilize one of the more effective birth control methods for 12 months after the T-cell infusion. * Informed consent explained to, understood by and signed by patient/guardian. For patients with hepatocellular carcinoma only: * Barcelona Liver Cancer Stage A, B or C * Child-Pugh Turcotte Score \<7 Exclusion Criteria: * History of hypersensitivity reactions to murine protein-containing products OR presence of human anti-mouse antibody (HAMA) prior to enrollment for patients who have received prior therapy with murine antibodies. * History of organ transplantation * Known HIV positivity * Active autoimmune or inflammatory disorder * Live vaccines within 30 days prior to enrollment • Active bacterial, fungal, or viral infection (except Hepatitis B or Hepatitis C virus infections) * Pregnancy or lactation * Uncontrolled infection * Systemic steroid treatment (≥ 0.5 mg prednisone equivalent/kg/day, dose adjustment or discontinuation of medication must occur at least 24hrs prior to CAR T cell infusion) * Congestive heart failure (as defined by New York Heart Association Functional Classification III or IV), unstable angina, serious uncontrolled cardiac arrhythmia, a myocardial infarction within 6 months prior to study entry or a history of myocarditis.
Get updates
Get notified about this study
Sign up to get updates when this study changes or when new studies for Embryonal sarcoma of liver are added.
Genom att skicka in godkänner du våra Användarvillkor
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.
-
The places running it
1 site. The list below names each one and where it is.
-
The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
-
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
-
Seattle Children's Hospital
RECRUITINGSeattle, Washington, 98105, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Sparing the liver: targeted chemoembolization meets lenvatinib in liver cancer
- AI-Enhanced ultrasound aims to catch liver cancer earlier
- Can turbocharged immune cells stop liver cancer from coming back?
- Two blood markers put to the test for early liver cancer detection
- New antibody pair takes aim at advanced liver cancer in major trial
- A pill that blocks RAS: can it help children whose tumors came back?