Table 1.

Characteristics of Enrolled Patients

Characteristic
Age in Years at Study Enrollment	Mean	16.8 Years
	Median	16 Years
	Range	12 Years – 25 Years
	21 Years or Older	2
Patient Sex	Male	12
	Female	7
Race	White	14
	African-American	3
	American Indian, Aleutian or Eskimo	1
	Other Race	1
Ethnicity	Hispanic	3
	Not Hispanic	16
Number of Lesions Measured for RECIST Evaluation	Mean	1.9
	Median	2
	Range	1 – 4
Tumor Burden in millimeters1	Mean	78.6
	Median	72
	Range	10 – 150.6
Sites of Measurable Disease
	Lung	11
	Bone	1
	Other	3
	Lung + Bone	2
	Lung + Other	2

¹The sum of the longest dimension of all lesions identified by the patient’s physician for assessment of RECIST response.