Active Screening of Latent Tuberculosis Infection in School Contacts of Active Tuberculosis Patients

Trial statusRecruiting
Trial phaseNot listed
Trial typeObservational
Biological sexAll
Age13+
SponsorHuashan Hospital

About this trial

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

Eligibility criteria

Qualifiers

13 years old or above;

Students in junior middle school, high school and university;

Close contact of school active tuberculosis case (e.g. in the same classroom, in the same dormitory);

Himself/herself (together with his/her guardian for age under 18 years old) willing to participate in trial and sign informed consent.

Disqualifiers

Current clinical or sputum culture confirmed active tuberculosis

Have completed a full course of treatment for ATB or LTBI

Trial design

Treatments tested in this trial

  • QuantiFERON-TB Gold (QFT) test

Treatment groups

31,440 Participants
are divided into 1 treatment group

Sponsors and collaborators

Huashan Hospital

Lead sponsor

Guizhou Center for Disease Control and Prevention

Collaborator