70
Participants
Start Date
September 4, 2007
Primary Completion Date
September 17, 2014
Study Completion Date
September 17, 2014
placebo
Receive lozenge placebo PO
laboratory biomarker analysis
Correlative studies
questionnaire administration
Ancillary studies
chemoprevention
Receive LBR lozenge PO
chemoprevention
Receive LBR Saliva Substitute PO
placebo
Receive Saliva Substitute placebo PO
Ohio State University Medical Center, Columbus
Ohio State University Comprehensive Cancer Center
OTHER