Malaria Clinical Trial
Official title:
Clinical Validation of Novel Malaria Diagnostic Tools for Point-of-Care Testing
The aim of this study is to perform a performance evaluation of novel diagnostic tools for detecting malaria in malaria-endemic countries. At the beginning of 2022, FIND launched a call for innovation with the distinct aim to identify malaria innovations that have the potential to address the technical and operational limitations of current malaria RDTs, particularly in view of the emergence of P. falciparum parasites with hrp2/3 deletions, the need for improved tools to identify all Plasmodium species and/or the need for improved surveillance. This study will generate valuable data on the performance of these novel non-HRP2-based tests and inform FIND and developers on technical and operational assay optimization requirements for accelerated access of these tools to market.
This study aims to support product development efforts towards novel malaria diagnostics not HRP2-based by providing early-stage technology developers with valuable information on performance and basic feasibility data that can help to accelerate development. The WHO now recommends that where pfhrp2/3 gene deletions are reported (within countries or in neighboring countries), representative baseline surveys are to be conducted among suspected cases. If >5% of false negative RDT results are attributed to these deletions, a change in RDT is necessary. Plasmodium lactate dehydrogenase (pLDH), appears as a good alternative to HRP2 as it is an essential protein expressed by all human-infecting Plasmodium species. However, pLDH-based RDTs have shown to perform poorly at low parasitaemia, which is common among patients infected with P. vivax, P. malariae and P. ovale species as well as in asymptomatic infections. Thus, RDTs not based on HRP2 are limited; moreover, WHO prequalified ones that can detect and distinguish between Plasmodium falciparum and Plasmodium vivax are non-existent. The current malaria diagnostic landscape demands more innovation supporting and accelerating the development of new malaria diagnostic tools that that tackle these emerging issues. ;
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