NCT00896818 2013-08-26Genes and Other Risk Factors for Second Primary Breast Cancer in Women With Breast Cancer and Their Female Family Members and FriendsNational Cancer Institute (NCI)Unknown
NCT00516347 2013-08-12Studying Genes for Barrett's Esophagus in Brothers and SistersNational Cancer Institute (NCI)Unknown400 enrolled
NCT00693836 2013-08-12Studying Patterns, Causes, and Control of Disease in Patients With Lung Cancer in the North Trent (England) RegionNational Cancer Institute (NCI)Unknown2,000 enrolled