TABLE 1.

Characteristics of eligible patients (N=30)

Characteristic	Number (%)
Median age (range), years	9.5 (2 – 20)
Sex
Male	21 (70)
Female	9 (30)
Race
White	20 (67)
Black or African American	3 (10)
Asian	1 (3)
Multiple	1 (3)
Unknown	5 (17)
Ethnicity
Non-Hispanic	23 (77)
Hispanic	5 (17)
Unknown	2 (7)
Diagnosis (N=30)
Brain Tumor (N=18)
Choroid plexus carcinoma	1 (3)
Ependymoma	4 (13)
High-grade glioma	8 (27)
Medulloblastoma	1 (3)
Oligodendroglioma	1 (3)
Pineoblastoma	1 (3)
Primitive neuroectodermal tumor (PNET)	2 (7)
Solid Tumor (N=12)
Adenocarcinoma	1 (3)
Ewing sarcoma	1 (3)
Hepatocellular carcinoma	1 (3)
Neuroendocrine carcinoma	1 (3)
Osteosarcoma	2 (7)
Rhabdomyosarcoma	4 (13)
Undifferentiated sarcoma	1 (3)
Wilms Tumor	1 (3)
Prior Therapy
Median prior chemotherapy regimens (range) (N=29)	2 (1 – 8)
Median prior radiation courses (range) (N=24)	1 (1 – 3)