期刊
LANCET REGIONAL HEALTH-EUROPE
卷 10, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.lanepe.2021.100179
关键词
Lung Cancer; CT Screening; Lung Cancer Mortality; Meta-analysis
资金
- Health Technology Assessment programme of the National Institute for Health Research (NIHR)
- NIHR Policy Research Programme [PR-PRU-1217-21601]
- NIHR Cambridge Biomedical Research Centre
- Cancer Research UK Cambridge Centre
The UKLS trial showed that a single LDCT screening can significantly reduce lung cancer mortality, with results similar to the NELSON and NLST trials. The meta-analysis of nine randomized trials provided unequivocal support for lung cancer screening in identified risk groups.
Background: The NLST reported a significant 20% reduction in lung cancer mortality with three annual low-dose CT (LDCT) screens and the Dutch-Belgian NELSON trial indicates a similar reduction. We present the results of the UKLS trial. Methods: From October 2011 to February 2013, we randomly allocated 4 055 participants to either a single invitation to screening with LDCT or to no screening (usual care). Eligible participants (aged 50-75) had a risk score (LLPv2) >= 4.5% of developing lung cancer over five years. Data were collected on lung cancer cases to 31 December 2019 and deaths to 29 February 2020 through linkage to national registries. The primary outcome was mortality due to lung cancer. We included our results in a random-effects meta-analysis to provide a synthesis of the latest randomised trial evidence. Findings: 1 987 participants in the intervention and 1 981 in the usual care arms were followed for a median of 7.3 years (IQR 7.1-7.6), 86 cancers were diagnosed in the LDCT arm and 75 in the control arm. 30 lung cancer deaths were reported in the screening arm, 46 in the control arm, (relative rate 0.65 [95% CI 0.41-1.02]; p=0.062). The meta-analysis indicated a significant reduction in lung cancer mortality with a pooled overall relative rate of 0.84 (95% CI 0.76-0.92) from nine eligible trials. Interpretation: The UKLS trial of single LDCT indicates a reduction of lung cancer death of similar magnitude to the NELSON and NLST trials and was included in a meta-analysis of nine randomised trials which provides unequivocal support for lung cancer screening in identified risk groups. (C) 2021 The Authors. Published by Elsevier Ltd.
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