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

Seoul National University

Status: Completed

Conditions: Tuberculosis

Study type: Observational

Funder types: Other

Identifiers

NCT01099098

H-0909-054-295

Details and patient eligibility

About

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.

Enrollment: 480 estimated patients

Sex: All

Ages: 20 to 80 years old

Volunteers: Accepts Healthy Volunteers

Inclusion criteria

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

Exclusion criteria

• Patients on immune-suppressants

Trial design

480 participants in 2 patient groups

Patients with TB sequelae

People without TB sequelae