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Point of care diagnostics for tuberculosis

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García-Basteiro, A. L., DiNardo, A., Saavedra, B., Silva, D. R., Palermo, D., Medea, G., Migliori, G. B., Duarte, R., Mambuque, E., Centis, R., Cuevas, Luis ORCID: https://orcid.org/0000-0002-6581-0587, Izco, S. and Theron, G. (2018) 'Point of care diagnostics for tuberculosis'. Revista Portuguesa de Pneumologia (English Edition), Vol 24, Issue 2, pp. 73-85.

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Abstract

The goals of the End TB strategy, which aims to achieve a 90% reduction in tuberculosis (TB) incidence and a 95% reduction in TB mortality by 2035, will not be achieved without new tools to fight TB. These include improved point of care (POC) diagnostic tests that are meant to be delivered at the most decentralised levels of care where the patients make the initial contact with the health system, as well as within the community. These tests should be able to be performed on an easily accessible sample and provide results in a timely manner, allowing a quick treatment turnaround time of a few minutes or hours (in a single clinical encounter), hence avoiding patient loss-to-follow-up. There have been exciting developments in recent years, including the WHO endorsement of Xpert MTB/RIF, Xpert MTB/RIF Ultra, loop-mediated isothermal amplification (TB-LAMP) and lateral flow lipoarabinomannan (LAM). However, these tests have limitations that must be overcome before they can be optimally applied at the POC. Furthermore, worrying short- to medium-term gaps exist in the POC diagnostic test development pipeline. Thus, not only is better implementation of existing tools and algorithms needed, but new research is required to develop new POC tests that allow the TB community to truly make an impact and find the “missed TB cases”.

Item Type: Article
Subjects: WF Respiratory System > Tuberculosis > WF 200 Tuberculosis (General)
WF Respiratory System > Tuberculosis > WF 220 Diagnosis. Prognosis
Faculty: Department: Clinical Sciences & International Health > Clinical Sciences Department
Digital Object Identifer (DOI): https://doi.org/10.1016/j.rppnen.2017.12.002
Depositing User: Martin Chapman
Date Deposited: 12 Feb 2018 10:12
Last Modified: 12 Apr 2018 15:14
URI: http://archive.lstmed.ac.uk/id/eprint/8143

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