1.	Phase III Randomized Study of Prophylactic Cranial Radiotherapy in Patients With Advanced Non-Small Cell Lung Cancer That is Responsive to Gefitinib or Erlotinib Hydrochloride Phase: Phase III Type: Prevention, Treatment Status: Approved-not yet active Age: 18 and over Sponsor: Other Protocol IDs: KROG-4-2008-0276, 4-2008-0276, NCT00955695
2.	Phenethyl Isothiocyanate in Preventing Lung Cancer in Smokers Phase: Phase II Type: Biomarker/Laboratory analysis, Prevention Status: Active Age: 21 to 70 Sponsor: NCI, Other Protocol IDs: 2007NT127, R01CA122244, 0712M22651, UMN-2007NT127, PEITC, NCT00691132
3.	Phase II Randomized Study of Inositol for the Prevention of Lung Cancer in Current or Former Smokers With Bronchial Dysplasia Phase: Phase II Type: Biomarker/Laboratory analysis, Prevention Status: Active Age: 45 to 79 Sponsor: NCI Protocol IDs: MAYO-MAY06-8-01, MAY06-8-01, NCT00783705
4.	Novel Treatments to Enhance Smoking Cessation Before Cancer Surgery: Effects on Smoking and Surgical Outcomes Phase: Phase I Type: Behavioral study, Prevention Status: Active Age: 18 to 85 Sponsor: Other Protocol IDs: 1104008332, NCT01479998
5.	Prevent Exposure to Tobacco Smoke at Home [Gesunde Atemluft zu Hause] Phase: No phase specified Type: Behavioral study, Prevention Status: Approved-not yet active Age: 3 and under Sponsor: Other Protocol IDs: Krebshilfe-107539, DM8-IESO02, NCT00647413
6.	Impact of a Gene Test for Susceptibility to Lung Cancer in Smokers Phase: No phase specified Type: Behavioral study, Prevention Status: Active Age: 20 to 60 Sponsor: Other Protocol IDs: SPCRU1, NCT01176383
7.	Studies Examining the Importance of Smoking After Being Diagnosed With Lung Cancer Phase: No phase specified Type: Behavioral study, Educational/Counseling/Training, Prevention Status: Active Age: 18 to 90 Sponsor: Other Protocol IDs: 09/WMW01/28, WS763986, NCT01192256