Risk and Benefits of Electronic Cigarettes to Older Smokers at High Risk for Lung Cancer

Condition:   Lung Carcinoma Interventions:   Procedure: Participants smoke their usual brand of cigarettes for 26 weeks.;   Procedure: Participants will vape electronic cigarettes for 26 weeks.;   Drug: Nicotine Replacement;   Other: Questionnaire Administration Sponsors:   M.D. Anderson Cancer Center;   National Cancer Institute (NCI) Not yet recruiting
Source: ClinicalTrials.gov - Category: Research Source Type: clinical trials