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

Sponsor
Seoul National University Hospital (Other)
Overall Status
Completed
CT.gov ID
NCT01099098
Collaborator
(none)
480
1
13.9
34.5

Study Details

Study Description

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 Intervention/Treatment Phase

    Study Design

    Study Type:
    Observational
    Anticipated Enrollment :
    480 participants
    Observational Model:
    Case-Control
    Time Perspective:
    Prospective
    Study Start Date :
    Jan 1, 2010
    Actual Primary Completion Date :
    Jan 1, 2011
    Actual Study Completion Date :
    Mar 1, 2011

    Arms and Interventions

    Arm Intervention/Treatment
    Patients with TB sequelae

    People without TB sequelae

    Outcome Measures

    Primary Outcome Measures

    1. Prevalence of latent TB infection [At enrollment]

    Eligibility Criteria

    Criteria

    Ages Eligible for Study:
    20 Years to 80 Years
    Sexes Eligible for Study:
    All
    Accepts Healthy Volunteers:
    Yes
    Inclusion Criteria:
    • Age > 20 years

    • Patients with TB sequelae in their CXR

    Exclusion Criteria:
    • Patients on immune-suppressants

    Contacts and Locations

    Locations

    Site City State Country Postal Code
    1 Seoul National University Hospital Seoul Korea, Republic of 110-744

    Sponsors and Collaborators

    • Seoul National University Hospital

    Investigators

    None specified.

    Study Documents (Full-Text)

    None provided.

    More Information

    Publications

    None provided.
    Responsible Party:
    , ,
    ClinicalTrials.gov Identifier:
    NCT01099098
    Other Study ID Numbers:
    • H-0909-054-295
    First Posted:
    Apr 6, 2010
    Last Update Posted:
    May 12, 2011
    Last Verified:
    May 1, 2011
    Keywords provided by , ,
    Additional relevant MeSH terms:

    Study Results

    No Results Posted as of May 12, 2011