Image Discovering Early Lung Cancer Project (IDEALCAP)

Low-Dose Computed Tomography for Lung Cancer Screening in High Risk Asymptomatic Patients: the Taiwan Study

Lung cancer is the leading cause of cancer related death in Taiwan and world wide. The application of low dose helical computed tomography (CT) has been the milestone of lung cancer screening. Recently, The National Lung Screening Trial (NLST) shows screening with low-dose CT could reduce mortality from lung cancer. We conducted this clinical trial to determine the efficacy of low dose CT in early lung cancer screening in Taiwan.

Study Overview

• Status: Unknown
• Conditions: Lung Cancer
• Intervention / Treatment: Procedure: Low-dose computed tomography (LDCT)

Detailed Description

This is a single center, single arm, non-randomized prospective study. We plan to enroll persons between 50 and 74 years in age, who had cigarette smoking of at least 30 pack-years, and, if former smokers, had quit within the previous 15 years. Persons who had previously received a diagnosis of lung cancer, had undergone chest CT within 18 months before enrollment, had hemoptysis, or had an unexplained weight loss of more than 6.8 kg in the preceding year were excluded.

All the participants should complete a questionnaire that covers many topics, including demographic characteristics and smoking behavior. We also plan to collect additional data for planned analyses of cost-effectiveness, and smoking cessation. Lung-cancer got by biopsy and other biospecimens are available to researchers through a peer-review process All screening examinations are planed to perform in accordance with a standard protocol, developed by medical physicists associated with the trial, that specified acceptable characteristics of the machine and acquisition variables. All low-dose CT scans are acquired with the use of multidetector scanners with a minimum of 16 channels.

IDEALCAP radiologists are certified by appropriate agencies or boards and has completed training in image acquisition; radiologists also has completed training in image quality and standardized image interpretation. Images are interpreted first in isolation and then in comparison with available historical images and images from prior IDEALCAP screening examinations.

IDEALCAP primary analysis is the detection rate of lung cancer. Secondary analysis include the detection rate of lung nodule, 5-year survival rate of persons with lung cancer who receive standard surgical treatment, 5-year survival rate of persons with lung cancer who receive alternative treatment other than standard surgical treatment (ex. Radiotherapy, chemotherapy or target therapy), the correlation of CT images and cigarette smoking history, the correlation of CT images and pulmonary function.

Key Word： low dose computed-tomography (LDCT), lung cancer screening

• Study Type: Interventional
• Enrollment (Anticipated): 600
• Phase: Phase 2

Contacts and Locations

• Study Contact: Name: Chung-Huang Chan, Doctor; Phone Number: 3030 886-3-9543131; Email: chchantaipei@gmail.com
• Study Contact Backup: Name: Wei-Chun Lin, Doctor; Phone Number: 2430 886-3-9543131; Email: bizzarefish@yahoo.com.tw

Study Locations

• Taiwan
  • Lotung, Taiwan
    • Recruiting
    • Lotung Pohai General hospital
    • Principal Investigator: Chung-Huang Hubert Chan, Doctor

Participation Criteria

Eligibility Criteria

• Ages Eligible for Study: 48 years to 72 years (Adult, Older Adult)
• Accepts Healthy Volunteers: No
• Genders Eligible for Study: All

Description

Inclusion Criteria:

• Age 50-74 years
• 30 or more pack-years of cigarette smoking history
• Former smokers: quit smoking within the previous 15 years
• Ability to tolerate CT procedure
• Signed informed consent

Exclusion Criteria:

• Severe uncontrolled heart, vascular, respiratory or endocrine pathology.
• Life-expectancy less than 1 year
• History of lung cancer
• Acute respiratory disease
• Hemoptysis.
• Weight loss more than 6.8 kg in the 12 months prior to eligibility assessment
• Participation in other cancer clinical trial
• Chest CT examination in the 12 months prior to eligibility assessment.

Study Plan

How is the study designed?

Design Details

• Primary Purpose: Diagnostic
• Allocation: N/A
• Interventional Model: Single Group Assignment
• Masking: None (Open Label)

Number of Arms

1

Arms and Interventions

Participant Group / Arm	Intervention / Treatment
Experimental: Low-dose computed tomography (LDCT); Patients will have one baseline LDCT scan.	Procedure: Low-dose computed tomography (LDCT); Low-dose computed tomography scan; Other Names: LDCT scan

What is the study measuring?

Primary Outcome Measures

Outcome Measure	Measure Description	Time Frame
Lung cancer detection rate	Assess number of lung cancer diagnoses after radiological and morphological verification of positive lung nodules.	2 years

Secondary Outcome Measures

Outcome Measure	Measure Description	Time Frame
Lung cancer mortality	Assess lung cancer mortality in the screened group within next 5 years.	5 years
All-cause mortality	Assess all-cause mortality mortality within next 5 years.	5 years
Nodule detection rate	Estimate nodule detection rate, types (solid, part-solid, or ground glass opacity) and sizes of lung nodules found.	3 months
Smoking cessation rate	Assess smoking cessation rate in the screened group within next one year.	one year

Other Outcome Measures

Outcome Measure	Measure Description	Time Frame
Coronary artery calcification	Estimate coronary artery calcification score (Agatston Score)in the screened group.	3 months
Incidence rate of cardiovascular accident	Incidence rate of cardiovascular accident stratified by coronary artery calcification score in the screened group within next 5 years.	5 years
Diagnosis accuracy of COPD diagnosis by low-dose computed tomography(CT)	Assess diagnosis accuracy of COPD diagnosis by low-dose computed tomography(CT) (CT emphysema, CT air trapping) according to the reference standard of pulmonary function tests.	2 years
Lung nodules management	Assess algorithms for lung nodules management in a regional general hospital in Taiwan.	12 months
Frequency of diagnostic procedures	Estimate the frequency of diagnostic procedures, types of invasive and non-invasive procedures performed in a regional hospital in Taiwan.	12 months
Complication of diagnostic procedures	Assess the complication rate after diagnostic procedures performed after screening in a regional hospital in Taiwan. Procedures include baseline LDCT.	12 months

Collaborators and Investigators

• Sponsor: Cathay General Hospital
• Investigators: Principal Investigator: Chung-Huang Hubert Chan, Doctor, CH Chan

Study record dates

Study Major Dates

• Study Start: February 1, 2013
• Primary Completion (Anticipated): January 1, 2018

Study Registration Dates

• First Submitted: July 28, 2013
• First Submitted That Met QC Criteria: July 31, 2013
• First Posted (Estimate): August 2, 2013

Study Record Updates

• Last Update Posted (Estimate): August 2, 2013
• Last Update Submitted That Met QC Criteria: July 31, 2013
• Last Verified: July 1, 2013

More Information

Terms related to this study

• Keywords: Lung cancer; Low-dose computed tomography scan
• Additional Relevant MeSH Terms: Respiratory Tract Diseases; Neoplasms; Lung Diseases; Neoplasms by Site; Respiratory Tract Neoplasms; Thoracic Neoplasms; Lung Neoplasms
• Other Study ID Numbers: CGH-LP101004