Table 1.

Characteristics for eligible patients (n = 20)

CharacteristicNumber (%)
Age, y
 Median14.9
 Range3.4–21.9
Sex
 Male13 (65)
 Female7 (35)
Race
 White14 (70)
 Asian1 (5)
 American Indian or Alaska Native0 (0)
 Black or African American1 (5)
 Unknown4 (20)
Ethnicity
 Non-Hispanic15 (75)
 Hispanic4 (20)
 Unknown1 (5)
Diagnoses
 Ewing sarcoma6 (30)
 Neuroblastoma6 (30)
 Hepatocellular carcinoma, fibrolamellar2 (10)
 Othera6 (30)
Prior therapy
 Chemotherapy regimens
  Median3
  Range0–8
 Number of patients with prior radiotherapy11
  • aIncludes one patient each with: Wilm tumor, adrenal cortical carcinoma, embryonal rhabdomyosarcoma, osteosarcoma, alveolar soft part sarcoma, and Hodgkin lymphoma.