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Free Content Tuberculosis drug resistance and treatment outcomes under DOTS settings in large cities in the Philippines

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SETTING: Two large cities in the Philippines.

OBJECTIVES: To describe the problems of drug-resistant tuberculosis (TB) in an urban setting, with special emphasis on their potential impact on the treatment services provided by the National TB Control Programme.

DESIGN: Cross-sectional survey and cohort analysis of treatment outcomes.

METHODS: All patients with positive sputum smear examination results in Cebu and Mandaue cities during the survey period were included. The survey procedures of the World Health Organization and the International Union Against Tuberculosis and Lung Disease were strictly applied. Treatment outcome data were also collected.

RESULTS: Of 306 cases enrolled, 255 were new cases, 28 were previously treated and for 23 treatment history was unknown. Of the new cases, 72.2% were pan-susceptible to all four first-line anti-tuberculosis drugs. Resistance in new cases was 16.9% to isoniazid (INH), 4.7% to rifampicin (RMP), 3.1% to ethambutol, 18.0% to streptomycin, and 3.9% to at least both INH and RMP (multidrug-resistant [MDR]). Over 90% of the new cases, either pan-susceptible or mono-resistant, were successfully treated with the standard regimen, but four of nine MDR new cases could not be cured.

CONCLUSION: The drug resistance level was high in this population, but treatment outcome using the standard treatment regimen was not seriously affected unless the patients were MDR.
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Keywords: Cebu city; Mandaue city; Philippines; drug resistance survey; tuberculosis

Document Type: Regular Paper

Affiliations: 1: The Research Institute of Tuberculosis, Japan Anti-Tuberculosis Association, Tokyo, Japan 2: Cebu Regional Tuberculosis Reference Laboratory, Cebu, Philippines 3: Cebu City Health Office, Cebu, Philippines 4: Mandaue City Health Office, Mandaue, Philippines 5: Department of Health-Japan International Cooperation Agency (JICA) Tuberculosis Control Project, Metro Manila, Philippines

Publication date: 2006-03-01

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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