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The Role of IGRA in Screening and Monitoring for TB During Anti TNF Therapy in Patients With IMID — IGRA  

Ulcerative Colitis Clinical Trial

Official title:
The Role of Interferon Gamma Releasing Assays (IGRA) in Screening and Monitoring for Tuberculosis During Anti-TNF Therapy in Patients With Immune-mediated Inflammatory Disease (IMID)

Clinical Trial Summary

Hong Kong is a region of intermediate TB burden, and the reactivation of latent TB in IMID patients treated with anti-TNF can be a serious problem. This study aims to investigate the role of IGRA in screening for latent TB in IBD patients and control subjects. In part II of the study, patients of other immune-mediated inflammatory diseases (IMID) will also be included to investigate the role of serial interferon-gamma release assays (IGRA) for the diagnosis of tuberculosis (TB) infection in patients with immune-mediated inflammatory diseases (IMID) treated with biologics

Clinical Trial Description

The incidence of inflammatory bowel disease is rising in Hong Kong. Anti-tumor necrosis factor alpha (anti-TNF)-α is effective and increasingly being used for the treatment of patients with refractory disease and complicated disease behaviour. The reactivation of latent tuberculosis (TB) is a well-recognised complication associated with the use of anti-TNF therapy, and most cases occurred in endemic regions. Hong Kong is a region of intermediate TB burden, and the reactivation of latent TB in IMID patients treated with anti-TNF can be a serious problem. Screening has been shown to reduce the incidence of TB, but it remains unclear whether monitoring during anti-TNF therapy is effective. Despite reported efficacy with the current screening strategy, active TB developed in up to 11.4% of patients receiving anti-TNF therapy. There is therefore an urgent need for better disease monitoring and prevention, particularly in regions where TB is endemic.

Part I of this study aims to investigate the role of IGRA in screening for latent TB in IBD patients and control subjects. Part II of this study is a prospective study of serial interferon-gamma release assays (IGRA) for the diagnosis of tuberculosis (TB) infection in patients with immune-mediated inflammatory diseases (IMID) treated with biologics ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT02135289
Study type Observational
Source Chinese University of Hong Kong
Contact
Status Completed
Phase
Start date March 2012
Completion date July 31, 2019
View Details
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