Baseline findings of a randomized feasibility trial of lung cancer screening with spiral CT scan vs chest radiograph: the Lung Screening Study of the National Cancer Institute

Chest
John K GohaganWriting Committee, Lung Screening Study Research Group

Abstract

Low-radiation-dose spiral CT (LDCT) scanning is capable of detecting lung neoplasms in asymptomatic individuals. To determine whether such detection can reduce lung cancer mortality, a randomized controlled trial (RCT) of LDCT scanning is necessary. The feasibility of conducting an RCT in asymptomatic individuals who are at high risk for lung cancer was explored in the Lung Screening Study (LSS), a 12-month special project of the ongoing Prostate, Lung, Colorectal, and Ovarian (PLCO) cancer screening trial. During the fall of 2000, six PLCO screening centers recruited a total of 3,318 heavy or long-term smokers who were not participants in the PLCO trial and randomized them to receive either a screening LDCT scan (1,660 participants) or screening posteroanterior view chest radiograph (CXR) [1,658 participants]. The screens were completed on 96% of subjects in the LDCT scan arm and 93% of subjects in the CXR arm. A total of 20.5% of screened subjects in the LDCT scan arm and 9.8% of those in the CXR arm had findings that were suspicious for lung cancer. Thirty lung cancers in subjects in the LDCT arm and 7 lung cancers in patients in the CXR arm were diagnosed following a positive screening result. Additional data from the LSS i...Continue Reading

Associated Clinical Trials

Nov 23, 2015·Pan-Chyr Yang, MD, PhD

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