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Free Content Treatment for LTBI in contacts of MDR-TB patients, Federated States of Micronesia, 2009–2012

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SETTING: Few studies have shown the operational feasibility, safety, tolerability, or outcomes of multidrug-resistant latent tuberculous infection (MDR LTBI) treatment. After two simultaneous multidrug-resistant tuberculosis (MDR-TB) outbreaks in Chuuk, Federated States of Micronesia, infected contacts were offered a 12-month fluoroquinolone (FQ) based MDR LTBI treatment regimen.

DESIGN: Between January 2009 and February 2012, 119 contacts of MDR-TB patients were followed using a prospective observational study design. After MDR-TB disease was excluded, 12 months of daily FQ-based preventive treatment of MDR LTBI was provided by directly observed therapy.

RESULTS: Among the 119 infected contacts, 15 refused, while 104 began treatment for MDR LTBI. Of the 104 who initiated treatment, 93 (89%) completed treatment, while 4 contacts discontinued due to adverse effects. None of the 104 contacts who undertook MDR LTBI treatment of any duration developed MDR-TB disease; however, 3 of 15 contacts who refused and 15 unidentified contacts developed MDR-TB disease.

CONCLUSION: Providing treatment for MDR LTBI can be accomplished in a resource-limited setting, and contributed to preventing MDR-TB disease. The Chuuk TB program implemented treatment of MDR LTBI with an 89% completion rate. The MDR LTBI regimens were safe and well tolerated, and no TB cases occurred among persons treated for MDR LTBI.
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Keywords: Mycobacterium tuberculosis; TB prevention; multidrug-resistant TB

Document Type: Research Article

Affiliations: 1: Division of TB Elimination, Centers for Disease Control and Prevention, Atlanta, Georgia 2: Chuuk State TB Program, Ministry of Health, Chuuk, Federated States of Micronesia 3: Tuberculosis Control Section, San Francisco Department of Public Health, San Francisco, California, USA

Publication date: August 1, 2014

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  • The International Journal of Tuberculosis and Lung Disease publishes articles on all aspects of lung health, including public health-related issues such as training programmes, cost-benefit analysis, legislation, epidemiology, intervention studies and health systems research. The IJTLD is dedicated to the continuing education of physicians and health personnel and the dissemination of information on tuberculosis and lung health world-wide.

    Certain IJTLD articles are selected for translation into French, Spanish, Chinese or Russian. They are available on the Union website

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