- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00340405
Development of a Biologic Specimen Bank for the Study of Early Markers of Lung Cancer Among Tin Miners in Yunnan, China
The overall goal of this project is to identify strategies to reduce lung cancer incidence and mortality. Using a high-risk occupational cohort, our specific objectives are 1) to establish a biologic specimen bank and data bank that can be used for the validation and refinement of potential early markers of lung cancer, and 2) to establish a cohort for the study of environmental (including dietary) and genetic risk factors for lung cancer.
Lung cancer is the leading cause of death from malignant neoplasms in the United States and in many countries around the world. Potential strategies to reduce the incidence and mortality of lung cancer include new methods of early detection and identification and alteration of etiologic factors.
The Yunnan Tin Corporation (YTC), located in Yunnan Province in southern China, is a large, nonferrous-metals industry, formed in 1883 and nationalized after the establishment of the People's Republic in 1949. It is involved principally in the production of tin from the mines around the city of Gejiu. The tin miners at YTC have extremely high rates of lung cancer. Among those at high risk, defined as miners 40+ years old with 10+ years of underground mining and/or smelting experience, more than one percent per year develop lung cancer. These extraordinary lung cancer rates result from combined exposure to radon, arsenic, and tobacco smoking in the form of cigarettes and/or bamboo water pipe.
The study population for the development of a biologic specimen bank for the study of early markers of lung cancer is all YTC miners considered to be at high risk for lung cancer based on their occupation exposure (40+ years old with 10+ years of underground or smelting experience). Currently numbering over 7,000, this high-risk group has been the target for the annual lung cancer screening program at the YTC for the past 20+ years. For each high-risk miner, sputum samples are collected annually, read for cytologic interpretation, and stored in Saccomanno's solution for future early marker research. Screening chest x-rays are also obtained. Subjects are followed annually to determine if any have developed lung cancer. Diagnostic workup of suspicious cases includes an additional sputum sample and histology specimen(s), which are used for diagnostic purposes and also retained for future research.
Additional biologic specimens have also been obtained on screenees for etiologic research, including a one-time collection of whole blood, urine, and toenail clippings. Finger stick bloods and buccal smears for DNA will also be sought....
Study Overview
Status
Conditions
Detailed Description
The overall goal of this project is to identify strategies to reduce lung cancer incidence and mortality. Using a high-risk occupational cohort, our specific objectives are 1) to establish a biologic specimen bank and data bank that can be used for the validation and refinement of potential early markers of lung cancer, and 2) to establish a cohort for the study of environmental (including dietary) and genetic risk factors for lung cancer.
Lung cancer is the leading cause of death from malignant neoplasms in the United States and in many countries around the world. Potential strategies to reduce the incidence and mortality of lung cancer include new methods of early detection and identification and alteration of etiologic factors.
The Yunnan Tin Corporation (YTC), located in Yunnan Province in southern China, is a large, nonferrous-metals industry, formed in 1883 and nationalized after the establishment of the People's Republic in 1949. It is involved principally in the production of tin from the mines around the city of Gejiu. The tin miners at YTC have extremely high rates of lung cancer. Among those at high risk, defined as miners 40+ years old with 10+ years of underground mining and/or smelting experience, more than one percent per year develop lung cancer. These extraordinary lung cancer rates result from combined exposure to radon, arsenic, and tobacco smoking in the form of cigarettes and/or bamboo water pipe.
The study population for the development of a biologic specimen bank for the study of early markers of lung cancer is all YTC miners considered to be at high risk for lung cancer based on their occupation exposure (40+ years old with 10+ years of underground or smelting experience). Currently numbering over 7,000, this high-risk group has been the target for the annual lung cancer screening program at the YTC for the past 20+ years. For each high-risk miner, sputum samples are collected annually, read for cytologic interpretation, and stored in Saccomanno's solution for future early marker research. Screening chest x-rays are also obtained. Subjects are followed annually to determine if any have developed lung cancer. Diagnostic workup of suspicious cases includes an additional sputum sample and histology specimen(s), which are used for diagnostic purposes and also retained for future research.
Additional biologic specimens have also been obtained on screenees for etiologic research, including a one-time collection of whole blood, urine, and toenail clippings. Finger stick bloods and buccal smears for DNA will also be sought.
Study Type
Enrollment (Actual)
Contacts and Locations
Study Locations
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Beijing, China, 100021
- Cancer Institute of the Chinese Academy of Medical Sciences
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Sampling Method
Study Population
Description
- INCLUSION CRITERIA:
Study participants will be taken from those participating in the annual lung cancer screening examinations conducted by the Labor Protection Institute of the YTC.
Current or retired workers between the ages of 40 and 74.
A history of 10 or more years of underground mining and/or smelting experience.
No proven, active malignancy or serious illness that would interfere with sputum specimen collection.
Study Plan
How is the study designed?
Design Details
- Observational Models: Cohort
- Time Perspectives: Prospective
Cohorts and Interventions
Group / Cohort |
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Tin Miners in China at risk of lung cancer
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
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Identification, validation and refinement of potential early markers of lung cancer
Time Frame: 12/31/2040
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Examining sputum microbiome
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12/31/2040
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Christian Abnet, Ph.D., National Cancer Institute (NCI)
Publications and helpful links
General Publications
- Qiao YL, Taylor PR, Yao SX, Erozan YS, Luo XC, Barrett MJ, Yan QY, Giffen CA, Huang SQ, Maher MM, Forman MR, Tockman MS. Risk factors and early detection of lung cancer in a cohort of Chinese tin miners. Ann Epidemiol. 1997 Nov;7(8):533-41. doi: 10.1016/s1047-2797(97)00115-4.
- Qiao YL, Tockman MS, Li L, Erozan YS, Yao SX, Barrett MJ, Zhou WH, Giffen CA, Luo XC, Taylor PR. A case-cohort study of an early biomarker of lung cancer in a screening cohort of Yunnan tin miners in China. Cancer Epidemiol Biomarkers Prev. 1997 Nov;6(11):893-900.
- Taylor PR, Qiao YL, Schatzkin A, Yao SX, Lubin J, Mao BL, Rao JY, McAdams M, Xuan XZ, Li JY. Relation of arsenic exposure to lung cancer among tin miners in Yunnan Province, China. Br J Ind Med. 1989 Dec;46(12):881-6. doi: 10.1136/oem.46.12.881.
- Fan YG, Hu P, Jiang Y, Chang RS, Yao SX, Wang W, He J, Prorok P, Qiao YL. Association between sputum atypia and lung cancer risk in an occupational cohort in Yunnan, China. Chest. 2009 Mar;135(3):778-785. doi: 10.1378/chest.08-1469.
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Estimated)
Study Completion (Estimated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimated)
Study Record Updates
Last Update Posted (Estimated)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 9999920168
- OH92-C-0168
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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