Status:

RECRUITING

Immunotherapy for Solid Tumor Malignancies in Pediatrics Using Interleukin-15 and -21 Armored Glypican-3-specific Chimeric Antigen Receptor T Cells

Lead Sponsor:

Seattle Children's Hospital

Conditions:

Solid Tumor (Excluding CNS)

Liver Cell Carcinoma

Eligibility:

All Genders

1-26 years

Phase:

PHASE1

Brief Summary

This Phase 1, open-label, non-randomized study will enroll pediatric and young adult subjects with relapsed or refractory non-central nervous system (CNS) malignant solid tumors expressing glypican-3 ...

Detailed Description

Study Overview This study is testing a different treatment which uses the body's own immune system to recognize and kill the cancer cells, called chimeric antigen receptor (CAR) T cells. Some solid t...

Eligibility Criteria

Inclusion

  • Procurement Eligibility
  • 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

  • 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)
  • 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

Key Trial Info

Start Date :

December 22 2025

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

April 22 2044

Estimated Enrollment :

21 Patients enrolled

Trial Details

Trial ID

NCT07148050

Start Date

December 22 2025

End Date

April 22 2044

Last Update

December 30 2025

Active Locations (1)

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1

Seattle Children's Hospital

Seattle, Washington, United States, 98105