Prevalence of Latent Tuberculosis (TB) Infection Diagnosed by Interferon-gamma Release Assay and Tuberculin Skin Tests in Patients With Old Healed TB
1 other identifier
observational
480
1 country
1
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.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for all trials
Started Jan 2010
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
January 1, 2010
CompletedFirst Submitted
Initial submission to the registry
April 4, 2010
CompletedFirst Posted
Study publicly available on registry
April 6, 2010
CompletedPrimary Completion
Last participant's last visit for primary outcome
January 1, 2011
CompletedStudy Completion
Last participant's last visit for all outcomes
March 1, 2011
CompletedMay 12, 2011
May 1, 2011
1 year
April 4, 2010
May 11, 2011
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Prevalence of latent TB infection
At enrollment
Study Arms (2)
Patients with TB sequelae
People without TB sequelae
Eligibility Criteria
Patients with TB sequelae in their CXR
You may qualify if:
- Age \> 20 years
- Patients with TB sequelae in their CXR
You may not qualify if:
- Patients on immune-suppressants
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Seoul National University Hospital
Seoul, 110-744, South Korea
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Design
- Study Type
- observational
- Observational Model
- CASE CONTROL
- Time Perspective
- PROSPECTIVE
- Sponsor Type
- OTHER
Study Record Dates
First Submitted
April 4, 2010
First Posted
April 6, 2010
Study Start
January 1, 2010
Primary Completion
January 1, 2011
Study Completion
March 1, 2011
Last Updated
May 12, 2011
Record last verified: 2011-05