15
Participants
Start Date
July 31, 2014
Primary Completion Date
May 31, 2018
Study Completion Date
May 31, 2018
sodium selenite
Given PO
radiation therapy
Undergo radiation therapy
laboratory biomarker analysis
Correlative studies
pharmacological study
Correlative studies
questionnaire administration
Ancillary studies
Stanford University, School of Medicine, Stanford
National Cancer Institute (NCI)
NIH
Stanford University
OTHER