Korean Lung Cancer Screening Project (K-LUCAS)

January 3, 2018 updated by: Yeol Kim, National Cancer Center, Korea

Korean Lung Cancer Screening Project for High-risk Smokers to Evaluate Effectiveness and Feasibility of Lung Cancer Screening With Low-dose Computed Tomography for Implementing National Cancer Screening Program

Lung cancer is by far the leading cause of cancer death and has a lower relative survival rate than other types of cancer because most lung cancers are detected at an advanced stage when they are first diagnosed.

Recently, a randomized control trial suggests that low-dose computed tomography (LDCT) enables an early stage detection and it has been increasingly accepted as an efficient screening method for high-risk individuals to reduce lung cancer mortality.

In 2011, The National Lung Screening Trial (NLST) in the U.S. has produced results that screening high-risk smoking groups (who have at least 30 pack-year smoking history and currently smoke or have quit within the past 15 years) aged 55 to 74 years with LDCT reduced lung cancer mortality by 20%.

Based on the evidence, Korean National Cancer Center has developed and published the guideline of lung cancer screening using LDCT for high-risk populations in 2015. The guideline recommends annual LDCT screening for high-risk smoking groups aged 55 to 74 years, with at least 30 pack-year smoking history and current smokers or past smokers who quit smoking within 15 years.

The Korean Lung Cancer Screening project (K-LUCAS), a nationwide, multicenter, prospective study started to evaluate the effectiveness and feasibility of lung cancer screening with LDCT for considering implementation of a national lung cancer screening program in Korea.

Study Overview

Status

Unknown

Conditions

Detailed Description

◎ Objective

This study is to evaluate the effectiveness and feasibility of lung cancer screening with LDCT for considering implementation of a national Lung Cancer Screening Program in Korea.

◎ Recruiting procedure

K-LUCAS involves 14 general hospitals located nationwide. The participants in K-LUCAS are recruited from the visitors in these hospitals for receiving national cancer screenings or smoking cessation services. The candidates are evaluated based on the questionnaire that is completed in prior to the national cancer screenings or smoking cessation services. Invitations will be sent to those candidates who meet our selection criteria to take part in LDCT lung cancer screening. Advertising to public including the information both of screening benefit and harm will be held in hospitals, newspaper, local bus stations and subways.

In addition to the criteria-based participant selection, a lung cancer risk prediction model will be adopted to improve the effectiveness of participant selection. The lung cancer risk prediction model considers various lung cancer risk factors in addition to age, smoking history and smoking quit duration which are already examined in the inclusion criteria. The model evaluates drinking amount, physical activity, family history of cancer, past history of lung disease and so on, in participant selection.

◎ Screening procedure

If the candidate meets the selection criteria or is approved by risk prediction model, investigators carefully explain the benefits or harms of the LDCT screening and offer them to participate in a LDCT lung cancer screening. If the candidate agrees on screening participation, an informed consent form is obtained and LDCT screening date is scheduled and confirmed. K-LUCAS also provides a smoking cessation counselling to current smokers on revisiting for the result counselling. A follow-up call is made after 6 months from the LDCT screening in order to assess smoking cessation status following LDCT screening.

◎Reporting LDCT results

The LDCT screening results are evaluated by radiologists in accordance with Lung imaging reporting and data system (Lung-RADS).

Network-based computer-aided detection (CAD) system will be used in K-LUCAS to assist reducing diagnostic errors and increasing lung nodule detection sensitivity.

Study Type

Observational

Enrollment (Anticipated)

8000

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

  • Korea, Republic of
    • Gyeonggi
      • Goyang, Gyeonggi, Korea, Republic of, 10408
        • Recruiting
        • National Cancer Center
        • Contact:
        • Principal Investigator:
          • Yeol Kim, MD, PhD
        • Sub-Investigator:
          • Jaeho Lee, Ph.D
        • Sub-Investigator:
          • Eunju Lee, BSc

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

55 years to 74 years (Adult, Older Adult)

Accepts Healthy Volunteers

No

Genders Eligible for Study

All

Sampling Method

Non-Probability Sample

Study Population

High-risk smoking groups of current smokers and past smokers

Description

We select participants based on the following criteria.

  • Inclusion Criteria (1)

    • Age : 55-74 years old

    • Smoking history of at least 30 pack-years

      1. current smokers
      2. past smokers who quit smoking within 15 years

  • Inclusion Criteria (2) The lung cancer risk prediction model considers various lung risk factors in addition to age, smoking history and smoking quit duration. This includes drinking amount, physical activity, family history of cancer, information on lung disease and so on, in participant selection. Following criteria is applied when the lung cancer risk prediction model is used for participant selection.

    • Age : 50-74 years old

    • Smoking history of at least 20 pack-years

      1. current smokers
      2. past smokers who quit smoking within 15 years

  • Exclusion Criteria:

    • Lung cancer diagnosed and treated
    • Inability to move without help (ECOG status 2 or higher)
    • Have been treating regularly for tuberculosis, pneumonia and interstitial lung disease
    • Treated for any cancer within the last 5 years (*Exception: Thyroid cancer, Skin cancer)
    • A chest CT examination less than 6 months

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Early stage lung cancer detection rate
Time Frame: 2 years
2 years
False positive rate
Time Frame: 2 years
2 years
Cost-effectiveness of screening
Time Frame: 2 years
Lung cancer screening cost per QALY
2 years
Complications of diagnostic procedure
Time Frame: 2 years
2 years

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
Participation rate among eligible criteria
Time Frame: 2 years
2 years
Positve rate of LDCT diagnosis reporting system in Korean population
Time Frame: 2 years
2 years
Effectiveness of quality control of screening units by network-based, computer-aided detection (CAD) system
Time Frame: 2 years
Comparing the nodule positive rate and false positive rate between convetional reading process and CAD system
2 years

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

National Cancer Center, Korea

Collaborators

Korean Association for Lung Cancer
The Korean Society of Radiology
The Korea Academy of Tuberculosis and Respiratory diseases
The Korean Academy of Family Medicine
The Korean Society for Preventive Medicine

Publications and helpful links

The person responsible for entering information about the study voluntarily provides these publications. These may be about anything related to the study.

General Publications

Helpful Links

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

April 10, 2017

Primary Completion (Actual)

December 31, 2017

Study Completion (Anticipated)

December 31, 2018

Study Registration Dates

First Submitted

December 19, 2017

First Submitted That Met QC Criteria

January 3, 2018

First Posted (Actual)

January 9, 2018

Study Record Updates

Last Update Posted (Actual)

January 9, 2018

Last Update Submitted That Met QC Criteria

January 3, 2018

Last Verified

January 1, 2018

More Information

Terms related to this study

Keywords

Additional Relevant MeSH Terms

Other Study ID Numbers

  • klucas2017

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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