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Free Content Management of drug-resistant tuberculosis [State of the art series. Drug-resistant tuberculosis. Edited by C-Y. Chiang. Number 6 in the series]

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Abstract:

Drug-resistant tuberculosis (DR-TB) in adults is either acquired due to poor treatment management or transmitted from infectious DR-TB cases, while children mainly have transmitted disease. Diagnosis of DR-TB relies on drug susceptibility testing (DST), which is not routinely performed in high tuberculosis (TB) burden settings. The Category II retreatment regimen is inadequate for Category I failures if multidrug-resistant TB (MDR-TB) is present. Where possible, DST should be performed for Category I failures and other patients with a high risk of DR-TB. Fluoroquinolones (FQs) should be used with caution in the treatment of mono- and polyresistant TB. Modification of regimens for mono- and polyresistance is prone to error if DST results are not reliable or if there is possible additional drug resistance due to further drug exposure. While standardised treatment is feasible for MDR-TB patients never previously treated with second-line drugs, a different strategy is required for those MDR-TB patients who have previously been treated with second-line drugs. Sputum conversion, adverse effects and adherence to MDR-TB treatment should be monitored closely. The presence of FQ resistance prior to MDR-TB treatment poses a serious challenge. To prevent the development of extensively drug-resistant TB, strategies to protect the FQs, the most important second-line agents, need to be developed. Clinical trials assessing MDR-TB treatment regimens are urgently needed.

Keywords: drug-resistant; treatment; tuberculosis

Document Type: Invited Paper

Affiliations: 1: International Union Against Tuberculosis and Lung Disease, Paris, France 2: Desmond Tutu TB Centre, Department of Paediatrics and Child Health, Faculty of Health Sciences, Stellenbosch University, South Africa

Publication date: June 1, 2010

More about this publication?
  • 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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