The Epidemiology of TST Change in Korea

NCT ID: NCT01850043

Last Updated: 2013-12-12

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Total Enrollment

5552 participants

Study Classification

OBSERVATIONAL

Study Start Date

2005-05-31

Study Completion Date

2012-05-31

Brief Summary

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TST will be analyzed in young general population in Korea. Young adults undertake TST as CDC recommendation. Participants with chest radiograph showing active TB lesion are excluded from this study.

Detailed Description

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Enroll criteria

* A term of whole military conscripts per year in one Reserve Force Battalion
* Military conscripts gather from all around area in Korea randomly
* Each participant undertake a chest X-ray (CXR) and blood tests including human immunodeficiency virus (HIV) at the start of initiatory training.

Exclusion Criteria

* Chest X-ray suggesting active TB
* HIV positive in serology

Design

* After giving informed consent, all participants receive one-step TST following standard procedures.
* The largest transverse diameter of induration is measured 48-72hr after injection.
* The investigator and these trained nurses were blinded to the status of their demographic characteristics.

Conditions

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Tuberculosis Latent Tuberculosis

Study Design

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Observational Model Type

ECOLOGIC_OR_COMMUNITY

Study Time Perspective

PROSPECTIVE

Study Groups

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Military Conscripts

A term of whole military conscripts per year in one Reserve Force Battalion. Military conscripts gather from all around area in Korea randomly

No interventions assigned to this group

Eligibility Criteria

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Inclusion Criteria

* Military Conscripts age 18-29 years old

Exclusion Criteria

* Chest X-ray suggests active TB
* Positive HIV in serology
Minimum Eligible Age

18 Years

Maximum Eligible Age

29 Years

Eligible Sex

MALE

Accepts Healthy Volunteers

Yes

Sponsors

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Asan Medical Center

OTHER

Sponsor Role lead

Responsible Party

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Sei Won Lee

Assistant Professor

Responsibility Role PRINCIPAL_INVESTIGATOR

Principal Investigators

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HeeJin Kim, MD

Role: PRINCIPAL_INVESTIGATOR

The Korean Institute of Tuberculosis

Locations

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The Korean Institute of Tuberculosis

Osong, North Chungcheong, South Korea

Site Status

Countries

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South Korea

Other Identifiers

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KoreanTSTtrends

Identifier Type: -

Identifier Source: org_study_id