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Multicomponent Strategy with Decentralized Molecular Testing for Tuberculosis.

Adithya Cattamanchi1, Tania F Reza1, Talemwa Nalugwa1

  • 1From the Division of Pulmonary and Critical Care Medicine and the Center for Tuberculosis, San Francisco General Hospital (A.C., T.F.R., P.B.S.), the Partnerships for Research in Implementation Science for Equity Center (A.C., P.B.S., M.A.H.), and the Departments of Epidemiology and Biostatistics (M.A.H.) and Social and Behavioral Sciences (S.A.), University of California, San Francisco, San Francisco; the Uganda Tuberculosis Implementation Research Consortium (A.C., T.N., M.N., D.O., S.N., D.B., S.T., P.B.S., D.A.J.M., J.L.D., D.W.D., A.K.), National Tuberculosis and Leprosy Program, Uganda Ministry of Health (S.T.), and the Schools of Biomedical Sciences (M.J.) and Medicine (A.K.), Makerere University College of Health Sciences - all in Kampala, Uganda; the Implementation Science Program (K.A.) and the Department of Epidemiology (A.T., H.S., O.F., R.T., D.W.D.), Johns Hopkins Bloomberg School of Public Health, Baltimore; the Faculties of Infectious and Tropical Diseases (D.A.J.M.) and Epidemiology and Population Health (K.F.) and the TB Centre (D.A.J.M., K.F.), London School of Hygiene and Tropical Medicine, London; the Department of Epidemiology of Microbial Diseases and the Center for Methods in Implementation and Prevention Sciences, Yale School of Public Health, and the Section of Pulmonary, Critical Care, and Sleep Medicine, Yale School of Medicine - both in New Haven, CT (J.L.D.).

The New England Journal of Medicine
|December 22, 2021
PubMed
Summary
This summary is machine-generated.

A new strategy using on-site molecular testing significantly improved tuberculosis diagnosis and treatment in Uganda. This approach led to more patients receiving timely care, enhancing public health outcomes for tuberculosis.

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Area of Science:

  • Public Health
  • Infectious Disease Research
  • Clinical Trials

Background:

  • Effective strategies are crucial for timely tuberculosis diagnosis and treatment in high-burden countries.
  • Current diagnostic methods in Uganda involve sputum-smear microscopy and referral-based molecular testing.

Purpose of the Study:

  • To evaluate a multicomponent diagnostic strategy for improving tuberculosis diagnosis and treatment rates.
  • To compare the effectiveness of on-site molecular testing with routine care in Ugandan community health centers.

Main Methods:

  • A cluster-randomized trial was conducted in 20 Ugandan community health centers.
  • Intervention group: on-site molecular testing, workflow restructuring, and quality metrics feedback.
  • Control group: routine care with sputum-smear microscopy and referral testing.

Main Results:

  • The intervention group showed a 56% increase in patients treated for tuberculosis within 14 days (adjusted rate ratio, 1.56).
  • Significantly more patients in the intervention group completed testing, received same-day diagnosis, and initiated same-day treatment.
  • Higher proportions of patients with confirmed tuberculosis were treated on the same day or within 14 days in the intervention group.

Conclusions:

  • A multicomponent strategy including on-site molecular testing enhances tuberculosis testing, diagnosis, and treatment.
  • Implementation support is key to overcoming barriers in delivering high-quality tuberculosis evaluation services.