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OpenTrials
Completed

NCT Number: NCT01850043

The Epidemiology of TST Change in Korea

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.

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Key information

Conditions

Tuberculosis Actinomycetales Infections Bacterial Infections Bacterial Infections and Mycoses Gram-Positive Bacterial Infections Infections Latent Infection Latent Tuberculosis Mycobacterium Infections

Age range

18 year–29 year

Sex eligibility

Male

Study type

Observational

Primary location

The Korean Institute of Tuberculosis

Osong, North Chungcheong, 396-954, South Korea

About this study

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.

Who can participate

Healthy volunteers accepted: Yes

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

  • Military Conscripts age 18-29 years old

Exclusion criteria

  • Chest X-ray suggests active TB
  • Positive HIV in serology

Treatment and study plan

Primary outcomes

  1. TST positivity TST rate

    Time frame: Two days after tuberculin injection

    Investigators measure induration size of tuberculin skin test 48 after tuberculin injection.

Secondary outcomes

  1. BCG scar rates

    Time frame: The day of tuberculin injection

Sponsors and collaborators

Lead sponsor

Asan Medical Center

Other

Registry information

Official study title

The Trend of Tuberculin Skin Test in Korea

Important dates

Study start
2005
Primary completion
2012
Study completion
2012
First posted
May 9, 2013
Registry last updated
Dec 12, 2013

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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