35,533
Participants
Start Date
July 31, 2001
Primary Completion Date
May 31, 2011
Study Completion Date
September 30, 2012
Vitamin E
400 IU daily by mouth for 7-12 years
Selenium
200 mcg daily for 7-12 years
Vitamin E placebo
daily for 7-12 years
selenium placebo
daily for 7-12 years
Geisinger Medical Group - Scenery Park, State College
Frank M. and Dorothea Henry Cancer Center at Geisinger Wyoming Valley Medical Center, Wilkes-Barre
Tod Children's Hospital, Youngstown
Good Samaritan Hospital Cancer Treatment Center, Cincinnati
Bethesda North Hospital, Cincinnati
Cardinal Bernardin Cancer Center at Loyola University Medical Center, Maywood
Midwest Center for Hematology/Oncology, Joliet
CCOP - Cancer Research for the Ozarks, Springfield
St. John's Regional Health Center, Springfield
LaFortune Cancer Center at St. John Medical Center, Tulsa
Robert H. Lurie Comprehensive Cancer Center at Northwestern University, Chicago
Geisinger Medical Center, Danville
U.T. Cancer Institute at University of Tennessee Medical Center, Knoxville
Collaborators (1)
National Cancer Institute (NCI)
NIH
Eastern Cooperative Oncology Group
NETWORK
Cancer and Leukemia Group B
NETWORK
NCIC Clinical Trials Group
NETWORK
SWOG Cancer Research Network
NETWORK