Sequential screening for lung cancer in a high-risk group: randomised controlled trial: LungSEARCH: a randomised controlled trial of Surveillance using sputum and imaging for the EARly detection of lung Cancer in a High-risk group.
Adenocarcinoma of Lung
/ complications
Bronchoscopy
Carcinoma, Large Cell
/ complications
Carcinoma, Non-Small-Cell Lung
/ complications
Carcinoma, Small Cell
/ complications
Carcinoma, Squamous Cell
/ complications
Cytological Techniques
Early Detection of Cancer
/ methods
Female
Humans
Lung Neoplasms
/ complications
Male
Middle Aged
Neoplasm Staging
Optical Imaging
Pulmonary Disease, Chronic Obstructive
/ complications
Risk Assessment
Sensitivity and Specificity
Sputum
/ cytology
Tomography, X-Ray Computed
United Kingdom
Journal
The European respiratory journal
ISSN: 1399-3003
Titre abrégé: Eur Respir J
Pays: England
ID NLM: 8803460
Informations de publication
Date de publication:
10 2019
10 2019
Historique:
received:
22
03
2019
accepted:
11
07
2019
pubmed:
21
9
2019
medline:
8
10
2020
entrez:
21
9
2019
Statut:
epublish
Résumé
Low-dose computed tomography (LDCT) screening detects early-stage lung cancer and reduces mortality. We proposed a sequential approach targeted to a high-risk group as a potentially efficient screening strategy. LungSEARCH was a national multicentre randomised trial. Current/ex-smokers with mild/moderate chronic obstructive pulmonary disease (COPD) were allocated (1:1) to have 5 years surveillance or not. Screened participants provided annual sputum samples for cytology and cytometry, and if abnormal were offered annual LDCT and autofluorescence bronchoscopy (AFB). Those with normal sputum provided annual samples. The primary end-point was the percentage of lung cancers diagnosed at stage I/II (nonsmall cell) or limited disease (small cell). 1568 participants were randomised during 2007-2011 from 10 UK centres. 85.2% of those screened provided an adequate baseline sputum sample. There were 42 lung cancers among 785 screened individuals and 36 lung cancers among 783 controls. 54.8% (23 out of 42) of screened individuals Our sequential strategy, using sputum cytology/cytometry to select high-risk individuals for AFB and LDCT, did not lead to a clear stage shift and did not improve the efficiency of lung cancer screening.
Sections du résumé
BACKGROUND
Low-dose computed tomography (LDCT) screening detects early-stage lung cancer and reduces mortality. We proposed a sequential approach targeted to a high-risk group as a potentially efficient screening strategy.
METHODS
LungSEARCH was a national multicentre randomised trial. Current/ex-smokers with mild/moderate chronic obstructive pulmonary disease (COPD) were allocated (1:1) to have 5 years surveillance or not. Screened participants provided annual sputum samples for cytology and cytometry, and if abnormal were offered annual LDCT and autofluorescence bronchoscopy (AFB). Those with normal sputum provided annual samples. The primary end-point was the percentage of lung cancers diagnosed at stage I/II (nonsmall cell) or limited disease (small cell).
RESULTS
1568 participants were randomised during 2007-2011 from 10 UK centres. 85.2% of those screened provided an adequate baseline sputum sample. There were 42 lung cancers among 785 screened individuals and 36 lung cancers among 783 controls. 54.8% (23 out of 42) of screened individuals
CONCLUSIONS
Our sequential strategy, using sputum cytology/cytometry to select high-risk individuals for AFB and LDCT, did not lead to a clear stage shift and did not improve the efficiency of lung cancer screening.
Identifiants
pubmed: 31537697
pii: 13993003.00581-2019
doi: 10.1183/13993003.00581-2019
pmc: PMC6796151
pii:
doi:
Types de publication
Journal Article
Randomized Controlled Trial
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
Subventions
Organisme : Cancer Research UK
ID : C5784/A17168
Pays : United Kingdom
Informations de copyright
Copyright ©ERS 2019.
Déclaration de conflit d'intérêts
Conflict of interest: S.G. Spiro has nothing to disclose. Conflict of interest: P.L. Shah has nothing to disclose. Conflict of interest: R.C. Rintoul has nothing to disclose. Conflict of interest: J. George has nothing to disclose. Conflict of interest: S. Janes reports personal fees for advisory board work from BARD1, Achilles Therapeutics and AstraZeneca, personal fees for conference travel from AstraZeneca, outside the submitted work. Conflict of interest: M. Callister has nothing to disclose. Conflict of interest: M. Novelli has nothing to disclose. Conflict of interest: P. Shaw has nothing to disclose. Conflict of interest: G. Kocjan has nothing to disclose. Conflict of interest: C. Griffiths has nothing to disclose. Conflict of interest: M. Falzon has nothing to disclose. Conflict of interest: R. Booton has nothing to disclose. Conflict of interest: N. Magee has nothing to disclose. Conflict of interest: M. Peake reports personal fees for lectures from Roche Products Ltd, grants and personal fees for lectures from MSD Ltd, personal fees for advisory board work from BMS and Pfizer Ltd, outside the submitted work. Conflict of interest: P. Dhillon has nothing to disclose. Conflict of interest: K. Sridharan has nothing to disclose. Conflict of interest: A.G. Nicholson has nothing to disclose. Conflict of interest: S. Padley has nothing to disclose. Conflict of interest: M.N. Taylor has nothing to disclose. Conflict of interest: A. Ahmed has nothing to disclose. Conflict of interest: J. Allen has nothing to disclose. Conflict of interest: Y. Ngai has nothing to disclose. Conflict of interest: N. Chinyanganya has nothing to disclose. Conflict of interest: V. Ashford-Turner has nothing to disclose. Conflict of interest: S. Lewis has nothing to disclose. Conflict of interest: D. Oukrif has nothing to disclose. Conflict of interest: P. Rabbits has nothing to disclose. Conflict of interest: N. Counsell has nothing to disclose. Conflict of interest: A. Hackshaw has nothing to disclose.
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