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Alberta Lung Cancer Screening Program

U

University of Calgary

Status

Unknown

Conditions

Lung Neoplasms
Respiratory Tract Neoplasms

Treatments

Behavioral: Active smokers - Control arm
Procedure: Computed Tomography
Behavioral: Active smokers - Smoking cessation arm

Study type

Interventional

Funder types

Other

Identifiers

NCT02431962
10007170

Details and patient eligibility

About

Lung cancer is the leading cause of cancer death in North America and in the world. The vast majority of lung cancers are associated with cigarette smoking. Unfortunately, the majority of lung cancers are detected at an advanced stage when they have a very poor prognosis. A substantial amount of data has been reported on low-dose computed tomography (LDCT) screening. Yet endorsement of lung cancer screening has not been universal because of outstanding concerns which need to be addressed. Our study will aim to screen at risk Albertans for lung cancer with LDCT scan at baseline, year 1 and year 2 while attempting to fill some knowledge gaps on this topic.

Full description

Lung cancer is the leading cause of cancer death in North America and in the world. The vast majority of lung cancers are associated with cigarette smoking. Lung cancer incidence and mortality rates are similar because lung cancer is a highly fatal disease. Unfortunately, the majority of lung cancers are detected at an advanced stage when they have a very poor prognosis. A substantial amount of data has been reported on low-dose computed tomography (LDCT) screening. The results of the National Lung Screening Trial (NLST) showed a 20% reduction in mortality from lung cancer with LDCT screening in addition to a 6.7% decrease in all-cause mortality, the first ever screening intervention to demonstrate an improvement in this latter outcome. Yet endorsement of lung cancer screening has not been universal. Although the NLST results are encouraging, more investigation is needed.

The objectives of this study are to prospectively compare the performance of a lung cancer risk prediction model (RPM) vs. NLST criteria to inform optimal inclusion criteria for a clinical screening program; to prospectively compare a novel screening based nodule malignancy probability calculation which has been developed in the Pan-Canadian Early Detection of Lung Cancer study vs. NLST criteria; to complete a randomized controlled trial as a substudy comparing an intensive tobacco cessation counseling program to a usual care arm for subjects with ongoing tobacco use; to perform a cost analysis evaluating the incremental costs associated with LDCT screening for lung cancer compared to no screening; to determine the average cost associated with incidental findings, false positive findings and lung cancers found during the screening period; and to compare cost implications of both screening enrollment criteria.

The backbone of this research project will be the screening of at risk individuals for lung cancer with LDCT scan. Eight hundred at risk Albertans will be screened at baseline, year 1 and year 2. Additional clinical LDCT or other investigations may result from findings on the study CT scans.

Enrollment

800 estimated patients

Sex

All

Ages

55 to 80 years old

Volunteers

Accepts Healthy Volunteers

Inclusion criteria

  • Subjects between the ages of 55 and 80 with a risk prediction model (RPM) ≥1.5% (≥ 1.5% risk of lung cancer over 6 years) OR NLST criteria (age 55-74; ≥ 30 pack-year smoking history; ongoing smoking or quit within 15 years).
  • Ability to provide informed consent and participate in study procedures.

Exclusion criteria

  • Any medical condition, such as severe heart disease (e.g. unstable angina, chronic congestive heart failure), severe lung disease or lung disease requiring supplemental oxygen that in the opinion of the physician unlikely to benefit from screening due to shortened life-expectancy from the co-morbidities or inability to tolerate diagnosis and treatment of a screen detected abnormality. European Cooperative Oncology Group performance status > 2.
  • History of lung cancer.
  • Have had other cancer or treatment for cancer within the past 5 years with the exception of the following cancers: non-melanomatous skin cancer, localized prostate cancer, carcinoma in situ (CIS) of the cervix, or superficial bladder cancer. Treatment of the exceptions must have ended > 6 months before registration into this study.
  • Pregnancy.
  • Hemoptysis in past 12 months.
  • Unexplained weight loss >15 pounds / 7kg in past 12 months.
  • Unwilling to have a LDCT of chest.
  • Unwilling to sign a consent.
  • Have had a CT scan of the chest in the last 2 years.

Trial design

Primary purpose

Screening

Allocation

Randomized

Interventional model

Single Group Assignment

Masking

None (Open label)

800 participants in 3 patient groups

Screening arm
Experimental group
Description:
Annual low dose screening chest CT scan x 3.
Treatment:
Procedure: Computed Tomography
Smoking cessation counseling
Experimental group
Description:
Active smokers randomized to this arm will be contacted by a trained smoking cessation counselor and offered cessation support and advice.
Treatment:
Behavioral: Active smokers - Smoking cessation arm
Smoking cessation control
Active Comparator group
Description:
Active smokers randomized to this arm will receive general information on available smoking cessation resources.
Treatment:
Behavioral: Active smokers - Control arm

Trial contacts and locations

2

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Data sourced from clinicaltrials.gov

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