Operational research in Malawi: making a difference with cotrimoxazole preventive therapy in patients with tuberculosis and HIV
2011

Cotrimoxazole Preventive Therapy in Malawi

Sample size: 2703 publication 10 minutes Evidence: high

Author Information

Author(s): Harries Anthony D, Zachariah Rony, Chimzizi Rhehab, Salaniponi Felix, Gausi Francis, Kanyerere Henry, Schouten Erik J, Jahn Andreas, Makombe Simon D, Chimbwandira Frank M, Mpunga James

Primary Institution: International Union against Tuberculosis and Lung Disease, Paris, France

Hypothesis

Does cotrimoxazole preventive therapy reduce death rates in tuberculosis patients co-infected with HIV and those starting antiretroviral treatment?

Conclusion

The implementation of cotrimoxazole preventive therapy was associated with reduced death rates in both tuberculosis patients and HIV-infected patients starting antiretroviral treatment.

Supporting Evidence

  • Cotrimoxazole significantly reduced case fatality rates in HIV-infected TB patients.
  • The policy changes were based on rapid dissemination of research findings.
  • Monitoring tools and training packages were developed to support the implementation of the new policy.
  • National programme performance improved with a significant decrease in early death rates.

Takeaway

Giving a medicine called cotrimoxazole to people with tuberculosis and HIV helps them live longer and healthier lives.

Methodology

District and facility-based operational research was conducted to assess the effectiveness of cotrimoxazole preventive therapy in reducing death rates.

Potential Biases

Potential bias from self-reported adherence to treatment and the reliance on historical controls.

Limitations

The study did not assess the long-term effects of cotrimoxazole on drug resistance.

Participant Demographics

Participants included tuberculosis patients, primarily co-infected with HIV, from various districts in Malawi.

Statistical Information

P-Value

0.0013

Statistical Significance

p<0.0013

Digital Object Identifier (DOI)

10.1186/1471-2458-11-593

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