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Active Screening of Latent Tuberculosis Infection in School Contacts of Active Tuberculosis Patients
Sponsor: Huashan Hospital
Summary
The goal of this observational study is to investigate the proportion of Mycobacterium tuberculosis (MTB) infection in school contacts of active tuberculosis (ATB) patients. The main questions it aims to answer are: * the proportion of MTB infection among school contacts of ATB patients * risk factors related to tuberculosis (TB) infection * health economic evaluation of screening strategy
Key Details
Gender
All
Age Range
13 Years - Any
Study Type
OBSERVATIONAL
Enrollment
31440
Start Date
2023-09-01
Completion Date
2025-12-31
Last Updated
2025-04-01
Healthy Volunteers
No
Interventions
QuantiFERON-TB Gold (QFT) test
Participants will be tested by QuantiFERON-TB Gold (QFT) test to see if they have ever infected by MTB. Those with positive results will proceed to sputum Xpert MTB/RIF, physical examination and chest CT scan, as well as sputum culture if necessary to distinguish latent TB infection (LTBI) from ATB. X-ray scan is conditional on age above 15 years with a positive QuantiFERON-TB Gold (QFT) test result.
Locations (44)
Xinpu New Area Center of Disease Control
Zunyi, Guiyang, China
Dafang Center for Disease Control and Prevention
Bijie, Guizhou, China
Qixingguan Center for Disease Control and Prevention
Bijie, Guizhou, China
Nayong Center for Disease Control and Prevention
Bijie, Guizhou, China
Hezhang Center for Disease Control
Bijie, Guizhou, China
Jinsha Center for Disease Control
Bijie, Guizhou, China
Qianxi Center of Disease Control
Bijie, Guizhou, China
Weining Center of Disease Control
Bijie, Guizhou, China
Zhijin Center of Disease Control
Bijie, Guizhou, China
Liping Center for Disease Control and Prevention
Linping, Guizhou, China
Liuzhi Special District Center of Disease Control
Liupanshui, Guizhou, China
Panzhou Center of Disease Control
Liupanshui, Guizhou, China
Shuicheng District Center of Disease Control
Liupanshui, Guizhou, China
Cengong Center of Disease Control
Qiandongnan Miao and Dong Autonomous Prefecture, Guizhou, China
Congjiang Ceter of Disease Control
Qiandongnan Miao and Dong Autonomous Prefecture, Guizhou, China
Danzhai Center of Disease Control
Qiandongnan Miao and Dong Autonomous Prefecture, Guizhou, China
Huangping Center of Disease Control
Qiandongnan Miao and Dong Autonomous Prefecture, Guizhou, China
Jianhe Center of Disease Control
Qiandongnan Miao and Dong Autonomous Prefecture, Guizhou, China
Jinping Center of Disease Control
Qiandongnan Miao and Dong Autonomous Prefecture, Guizhou, China
Kaili Center of Disease Control
Qiandongnan Miao and Dong Autonomous Prefecture, Guizhou, China
Leishan Center of Disease Control
Qiandongnan Miao and Dong Autonomous Prefecture, Guizhou, China
Majiang Center of Disease Control
Qiandongnan Miao and Dong Autonomous Prefecture, Guizhou, China
Rongjiang Center of Disease Control
Qiandongnan Miao and Dong Autonomous Prefecture, Guizhou, China
Sansui Center of Disease Control
Qiandongnan Miao and Dong Autonomous Prefecture, Guizhou, China
Shibing Center of Disease Control
Qiandongnan Miao and Dong Autonomous Prefecture, Guizhou, China
Taijiang Center of Disease Control
Qiandongnan Miao and Dong Autonomous Prefecture, Guizhou, China
Tianzhu Center of Disease Control
Qiandongnan Miao and Dong Autonomous Prefecture, Guizhou, China
Zhenyuan Center of Disease Control
Qiandongnan Miao and Dong Autonomous Prefecture, Guizhou, China
Qingzhen Center for Disease Control and Prevention
Qingzhen, Guizhou, China
Bozhou District Center of Disease Control
Zunyi, Guizhou, China
Chishui Center of Disease Control
Zunyi, Guizhou, China
Daozhen Center of Disease Control
Zunyi, Guizhou, China
Fenggang Center of Disease Control
Zunyi, Guizhou, China
Honghuagang District Center of Disease Control
Zunyi, Guizhou, China
Huichuan District Center of Disease Control
Zunyi, Guizhou, China
Meitan Center of Disease Control
Zunyi, Guizhou, China
Renhuai Center of Disease Control
Zunyi, Guizhou, China
Suiyang Center of Disease Control
Zunyi, Guizhou, China
Tongzi Center of Disease Control
Zunyi, Guizhou, China
Wuchuan Center of Disease Control
Zunyi, Guizhou, China
Xishui Center of Disease Control
Zunyi, Guizhou, China
Yuqing Center of Disease Control
Zunyi, Guizhou, China
Zhengan Center of Disease Control
Zunyi, Guizhou, China
Dalian Public Health Clinical Center
Dalian, Liaoning, China