Target product profile of a molecular drug-susceptibility test for use in microscopy centers

Claudia M. Denkinger, David Dolinger, Marco Schito, William Wells, Frank Cobelens, Madhukar Pai, Matteo Zignol, Daniela M aria Cirillo, David Alland, Martina Casenghi, Jim Gallarda, Catharina C. Boehme, Mark D. Perkins

Research output: Contribution to journalArticlepeer-review

Abstract

METHODS: A target product profile for a molecular drug-susceptibility test (DST) was developed on the basis of a collaborative effort that included opinions gathered from researchers, clinicians, policy makers, and test developers on optimal clinical and operational characteristics in settings of intended use. In addition, the current diagnostic ecosystem and the diagnostic development landscape were mapped.

RESULTS: Molecular DSTs for detecting tuberculosis in microscopy centers should ideally evaluate for resistance to rifampin, fluoroquinolones, isoniazid, and pyrazinamide and enable the selection of the most appropriate treatment regimen. Performance characteristics of DSTs need to be optimized, but compromises can be made that depend on the trade-off between a false-positive result and a false-negative result. The operational requirements of a test will vary depending on the site of implementation. However, the most-important considerations pertain to quality control, maintenance and calibration, and the ability to export data.

CONCLUSION: This target product profile defines the needs as perceived by the tuberculosis stakeholder community and attempts to provide a means of communication with test developers to ensure that fit-for-purpose DSTs are being developed.

BACKGROUND: Current phenotypic testing for drug resistance in patients with tuberculosis is inadequate primarily with respect to turnaround time. Molecular tests hold the promise of an improved time to diagnosis.

Original languageEnglish
Pages (from-to)S39-S49
JournalJournal of Infectious Diseases
Volume211
DOIs
Publication statusPublished - Apr 1 2015

Keywords

  • diagnostics
  • molecular testing
  • point of care
  • tuberculosis

ASJC Scopus subject areas

  • Medicine(all)

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