Danish Lung Cancer Screening Trial (DLCST)

NCT ID: NCT00496977

Last Updated: 2007-07-06

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

UNKNOWN

Clinical Phase

NA

Total Enrollment

4104 participants

Study Classification

INTERVENTIONAL

Study Start Date

2004-10-31

Study Completion Date

2010-01-31

Brief Summary

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The trial is a randomised trial comparing annual CT screening for lung cancer with no screening in 4104 smokers and former smokers between the age of 50 and 70 years. The goals are: 1) to evaluate if annual CT screening can reduce lung cancer mortality by more than 20 % (in collaboration with the NELSON trial in the Netherlands, 2) to evaluate psychological effects of screening including the effects of false positive diagnoses, and 3) to evaluate possible effects on smoking behaviour. The trial is funded in full by the Danish Ministry of Interior and Health.

Detailed Description

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The trial is a parallel randomized controlled trial comparing either a yearly low dose CT scan or no screening. It is scheduled to enroll 4000 smokers and former smokers, and the study is scheduled to last 5 years, i.e. an initial (prevalence) screening is followed by 4 annual (incidence) screenings.

In addition the following investigations are done: A prospective, longitudinal questionnaire assessment of enrolled participants who have received a false positive diagnosis. The questionnaire will focus on the consequences of receiving a false positive diagnosis. Answers from enrolled subjects who have received a false positive diagnosis will be compared to their own "baseline" responses, and responses from subjects who have received a negative result of their own low-dose CT scans All participants will annually be questioned regarding smoking habits, their motivation for cessation of smoking and will be advised to refrain from smoking to assess the effect of participation in a screening protocol for lung cancer on cessation of smoking.

Socioeconomic consequences of screening for lung cancer will be assessed by longitudinal registration of costs and benefits (e.g. morbidity, hospitalization, GP consultations etc.

Assess the value of PET scanning when screening for lung cancer.

Conditions

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Lung Cancer

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

SCREENING

Blinding Strategy

SINGLE

Interventions

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annual CT screening

Intervention Type PROCEDURE

Eligibility Criteria

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Inclusion Criteria

* Smoking exposure \> 20 pack years
* Quit smoking \< 10 years
* Fit to undergo treatment
* Pulmonary function test \> 30 % of expected (FEV1)

Exclusion Criteria

* Bodyweight \> 130 Kg
* Formely treated for lungcancer, breastcancer, melanoma or hypernephroma.
* Serious co-morbidity with life expectancy below 10 years.
* Treated for other malignant diseases within the last 5 years.
* Treatment for pulmonary tuberculosis within the last 2 years.
Minimum Eligible Age

50 Years

Maximum Eligible Age

70 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Ministry of the Interior and Health, Denmark

OTHER_GOV

Sponsor Role collaborator

Danish Lung Cancer Group

OTHER

Sponsor Role lead

Principal Investigators

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Jesper H Pedersen, MD, Dr.Sci

Role: PRINCIPAL_INVESTIGATOR

Gentofte University Hospital, Hellerup, Denmark

Locations

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Lung Screening Clinic, Gentofte University Hospital

Hellerup, , Denmark

Site Status

Countries

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Denmark

References

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Venkadesh KV, Aleef TA, Scholten ET, Saghir Z, Silva M, Sverzellati N, Pastorino U, van Ginneken B, Prokop M, Jacobs C. Prior CT Improves Deep Learning for Malignancy Risk Estimation of Screening-detected Pulmonary Nodules. Radiology. 2023 Aug;308(2):e223308. doi: 10.1148/radiol.223308.

Reference Type DERIVED
PMID: 37526548 (View on PubMed)

Rasmussen JF, Siersma V, Malmqvist J, Brodersen J. Psychosocial consequences of false positives in the Danish Lung Cancer CT Screening Trial: a nested matched cohort study. BMJ Open. 2020 Jun 4;10(6):e034682. doi: 10.1136/bmjopen-2019-034682.

Reference Type DERIVED
PMID: 32503869 (View on PubMed)

Malmqvist J, Siersma V, Thorsen H, Heleno B, Rasmussen JF, Brodersen J. Did psychosocial status, sociodemographics and smoking status affect non-attendance in control participants in the Danish Lung Cancer Screening Trial? A nested observational study. BMJ Open. 2020 Feb 20;10(2):e030871. doi: 10.1136/bmjopen-2019-030871.

Reference Type DERIVED
PMID: 32086352 (View on PubMed)

Jensen MD, Siersma V, Rasmussen JF, Brodersen J. Direct and indirect healthcare costs of lung cancer CT screening in Denmark: a registry study. BMJ Open. 2020 Jan 21;10(1):e031768. doi: 10.1136/bmjopen-2019-031768.

Reference Type DERIVED
PMID: 31969362 (View on PubMed)

Wille MM, Dirksen A, Ashraf H, Saghir Z, Bach KS, Brodersen J, Clementsen PF, Hansen H, Larsen KR, Mortensen J, Rasmussen JF, Seersholm N, Skov BG, Thomsen LH, Tonnesen P, Pedersen JH. Results of the Randomized Danish Lung Cancer Screening Trial with Focus on High-Risk Profiling. Am J Respir Crit Care Med. 2016 Mar 1;193(5):542-51. doi: 10.1164/rccm.201505-1040OC.

Reference Type DERIVED
PMID: 26485620 (View on PubMed)

Winkler Wille MM, van Riel SJ, Saghir Z, Dirksen A, Pedersen JH, Jacobs C, Thomsen LH, Scholten ET, Skovgaard LT, van Ginneken B. Predictive Accuracy of the PanCan Lung Cancer Risk Prediction Model -External Validation based on CT from the Danish Lung Cancer Screening Trial. Eur Radiol. 2015 Oct;25(10):3093-9. doi: 10.1007/s00330-015-3689-0. Epub 2015 Mar 13.

Reference Type DERIVED
PMID: 25764091 (View on PubMed)

Rasmussen JF, Siersma V, Pedersen JH, Brodersen J. Psychosocial consequences in the Danish randomised controlled lung cancer screening trial (DLCST). Lung Cancer. 2015 Jan;87(1):65-72. doi: 10.1016/j.lungcan.2014.11.003. Epub 2014 Nov 20.

Reference Type DERIVED
PMID: 25433982 (View on PubMed)

Ashraf H, Saghir Z, Dirksen A, Pedersen JH, Thomsen LH, Dossing M, Tonnesen P. Smoking habits in the randomised Danish Lung Cancer Screening Trial with low-dose CT: final results after a 5-year screening programme. Thorax. 2014 Jun;69(6):574-9. doi: 10.1136/thoraxjnl-2013-203849. Epub 2014 Jan 17.

Reference Type DERIVED
PMID: 24443174 (View on PubMed)

Thomsen LH, Dirksen A, Shaker SB, Skovgaard LT, Dahlback M, Pedersen JH. Analysis of FEV1 decline in relatively healthy heavy smokers: implications of expressing changes in FEV1 in relative terms. COPD. 2014 Feb;11(1):96-104. doi: 10.3109/15412555.2013.830096. Epub 2013 Oct 10.

Reference Type DERIVED
PMID: 24111638 (View on PubMed)

Rasmussen T, Frestad D, Kober L, Pedersen JH, Thomsen LH, Dirksen A, Kofoed KF. Development and progression of coronary artery calcification in long-term smokers: adverse effects of continued smoking. J Am Coll Cardiol. 2013 Jul 16;62(3):255-257. doi: 10.1016/j.jacc.2013.04.013. Epub 2013 Apr 30. No abstract available.

Reference Type DERIVED
PMID: 23643591 (View on PubMed)

Kaerlev L, Iachina M, Pedersen JH, Green A, Norgard BM. CT-Screening for lung cancer does not increase the use of anxiolytic or antidepressant medication. BMC Cancer. 2012 May 23;12:188. doi: 10.1186/1471-2407-12-188.

Reference Type DERIVED
PMID: 22621716 (View on PubMed)

Saghir Z, Ashraf H, Dirksen A, Brodersen J, Pedersen JH. Contamination during 4 years of annual CT screening in the Danish Lung Cancer Screening Trial (DLCST). Lung Cancer. 2011 Mar;71(3):323-7. doi: 10.1016/j.lungcan.2010.06.006.

Reference Type DERIVED
PMID: 20619924 (View on PubMed)

Other Identifiers

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KA-02045

Identifier Type: -

Identifier Source: org_study_id