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RATIONALE: Imaging procedures such as computed tomography may improve the ability to detect lung cancer earlier.
- Determine the ability of computed tomography (CT) to detect early lung parenchymal abnormalities in women at high risk for lung cancer.
- Determine the number of abnormal findings detected by CT that develop into lung cancer in these patients.
- Correlate these abnormalities with the presence of K-ras and p53 mutations in the sputum and bronchoalveolar lavage in these patients.
- Develop and implement appropriate educational materials regarding lung cancer in women and provide referrals to other programs, such as smoking cessation programs.
OUTLINE: Patients complete a questionnaire at baseline to assess demographics, medical history, smoking history, menopausal status, estrogen therapy, and diet.
Patients then undergo a low-dose computed tomography (CT) scan without contrast. Patients with normal CT results undergo additional CT scans every 12 months.
Patients with abnormal CT results undergo a diagnostic CT scan (in the absence of prior studies). Patients with indeterminate nodules (less than 5 mm in size) undergo surveillance CT studies within 3-4 months. If nodules remain unchanged in size, patients undergo additional surveillance CT studies at 6 months and 1 year. Patients with lung parenchymal abnormalities on CT suspicious for malignancy undergo a bronchoscopy with biopsy and bronchoalveolar lavage (BAL). Patients with abnormal CT scan(s) and negative BAL for p53 and/or K-ras mutations or normal histology and positive BAL for K-ras and/or p53 mutations undergo additional CT scans at 6 months and 1 year. Patients with biopsy-proven malignancy after bronchoscopy are referred for definitive treatment.
PROJECTED ACCRUAL: A total of 500 patients will be accrued for this study.
Primary Purpose: Screening
bronchoalveolar lavage, screening questionnaire administration, sputum cytology, bronchoscopic and lung imaging studies, bronchoscopy, computed tomography, study of high risk factors
NYU School of Medicine's Kaplan Comprehensive Cancer Center
Active, not recruiting
National Cancer Institute (NCI)
Published on BioPortfolio: 2014-08-27T03:57:04-0400
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