Recruiting ET140203 T Cells in Pediatric Subjects With Hepatoblastoma, HCN-NOS, or Hepatocellular Carcinoma NCT04634357 Conditions Adenocarcinoma, Carcinoma, Carcinoma, Hepatocellular, +14 more Locations Children's Hospital Los Angeles — Los Angeles, California, United States Children's Hospital Orange County — Orange, California, United States UCSF Benioff Children's Hospitals — San Francisco, California, United States Dana-Farber/Boston Children's Cancer and Blood Disorders Center — Boston, Massachusetts, United States View Trial Details