Prevalence of Latent Tuberculosis (TB) Infection Diagnosed by Interferon-gamma Release Assay and Tuberculin Skin Tests in Patients With Old Healed TB

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT01099098
Recruitment Status : Completed
First Posted : April 6, 2010
Last Update Posted : May 12, 2011
Information provided by:
Seoul National University Hospital

Brief Summary:
We easily regard nodules and fibrosis in upper lobes of lung as TB sequelae. The aim of this study is to confirm the prevalence of latent TB infection diagnosed by interferon-gamma release assay and tuberculin skin tests in patients with old healed TB.

Condition or disease

Study Type : Observational
Estimated Enrollment : 480 participants
Observational Model: Case Control
Time Perspective: Prospective
Study Start Date : January 2010
Actual Primary Completion Date : January 2011
Actual Study Completion Date : March 2011

Resource links provided by the National Library of Medicine

MedlinePlus related topics: Tuberculosis
U.S. FDA Resources

Patients with TB sequelae
People without TB sequelae

Primary Outcome Measures :
  1. Prevalence of latent TB infection [ Time Frame: At enrollment ]

Information from the National Library of Medicine

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Ages Eligible for Study:   20 Years to 80 Years   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes
Sampling Method:   Non-Probability Sample
Study Population
Patients with TB sequelae in their CXR

Inclusion Criteria:

  • Age > 20 years
  • Patients with TB sequelae in their CXR

Exclusion Criteria:

  • Patients on immune-suppressants

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its identifier (NCT number): NCT01099098

Korea, Republic of
Seoul National University Hospital
Seoul, Korea, Republic of, 110-744
Sponsors and Collaborators
Seoul National University Hospital

Responsible Party: Jae-Joon Yim / Associate Professor, Seoul National University Hospital Identifier: NCT01099098     History of Changes
Other Study ID Numbers: H-0909-054-295
First Posted: April 6, 2010    Key Record Dates
Last Update Posted: May 12, 2011
Last Verified: May 2011

Keywords provided by Seoul National University Hospital:
People who have fibrosis or nodules in their upper lobe of the lung

Additional relevant MeSH terms:
Mycobacterium Infections
Actinomycetales Infections
Gram-Positive Bacterial Infections
Bacterial Infections