What this phase means
This is an observational study. You are not assigned a new experimental drug. Researchers measure what already happens in your care or in daily life.
Phase labels are FDA/ICH categories applied to the registry Phase field. They are not a finding that this study succeeded.
What the registry says happens
This listing is observational (StudyType). The registry does not assign a new experimental drug as the study intervention.
They plan to enroll about 6,000 people at Pittsburgh. Taking part typically means a procedure as part of the study plus check-ins.
Official title (unrewritten)
Detection of Genetic Markers of Lung Cancer Initiation and Progression
Interventions: Biopsy of the major carinal area, Biopsy of abnormal & suspicious areas of the bronchial tree, Evaluation of the tumor for DNA mutations, Bronchoalveolar Lavage (BAL) for cytokine analysis, Correlation of flow cytometric & RT PCR for TNM stage, Analysis of lymph nodes
Primary outcome (registry wording): The odds ratio for the risk of lung cancer associated with molecular markers