50
Participants
Start Date
March 31, 2007
Primary Completion Date
August 31, 2010
Study Completion Date
August 31, 2010
defined green tea catechin extract
Given orally
placebo
Given orally
immunohistochemistry staining method
Correlative studies
immunoenzyme technique
Correlative studies
laboratory biomarker analysis
Correlative studies
biopsy
Undergo biopsy
mass spectrometry
Correlative studies
high performance liquid chromatography
Correlative studies
Arizona Cancer Center - Tucson, Tucson
National Cancer Institute (NCI)
NIH