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

Completed

• Conditions: Tuberculosis

• Registration Number: NCT01099098
• Lead Sponsor: 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.

Detailed Description

Not available

Study Timeline

• Study Start: 2010-01
• Study First Submitted: 2010-04-04
• Study First Submitted QC: 2010-04-05
• Study First Posted: 2010-04-06
• Primary Completion: 2011-01
• Study Completion: 2011-03
• Status Verified: 2011-05
• Last Update Submitted: 2011-05-11
• Last Update Posted: 2011-05-12

Recruitment & Eligibility

• Status: COMPLETED
• Sex: All
• Target Recruitment: 480

Inclusion Criteria

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

Exclusion Criteria

• Patients on immune-suppressants

Study & Design

• Study Type: OBSERVATIONAL
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Prevalence of latent TB infection	At enrollment

Trial Locations

Locations (1)

Seoul National University Hospital; 🇰🇷 Seoul, Korea, Republic of