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Clinical Trial Summary

Malaria, schistosomiasis and ancylostomiasis are three parasitic diseases which affect hundreds of millions of people and are an important cause of global mortality and morbidity. For the control of these poverty related parasitic diseases, and to complement chemotherapeutic strategies, accurate and accessible diagnostic procedures play a crucial role.

In recent years, innovative smart mobile technologies have been applied for detection and identification of cultured parasite species, which is basically based on sample imaging and parasite morphology identification. Promising advances have been made with this technology and coupled with its small size, low cost and easy to manipulate, makes it suitable for point of care diagnostics in low resource setting.

The aim of the proposed explorative study is to further validate sensitivity and specificity of each of the developed devices, using besides microscopy a range of more advanced reference tests.


Clinical Trial Description

Malaria, schistosomiasis and ancylostomiasis are three parasitic diseases which affect hundreds of millions of people and are an important cause of global mortality and morbidity. For the control of these poverty related parasitic diseases, and to complement chemotherapeutic strategies, accurate and accessible diagnostic procedures play a crucial role. Especially in remote and/or low resource settings, appropriate diagnostic tests are often lacking. These tests should not only be sensitive and specific, but also affordable, reliable, and easy to operate. In recent years, innovative smart mobile technologies have been applied for detection and identification of cultured parasite species, which is basically based on sample imaging and parasite morphology identification. Promising advances have been made with this technology and coupled with its small size, low cost and easy to manipulate, makes it suitable for point of care diagnostics in low resource setting. At the Technical University of Delft, a smart optical device prototype has been recently developed for the detection of Plasmodium. This Excelscope has been tested on a small number of malaria cases in Nigeria, showing promising results. In addition, TU Delft has developed a prototype for the detection of Schistosoma haematobium eggs in urine, which is ready for further validation in the field. Still under construction is a smart optical device for the detection of helminth eggs in stool, including eggs of hookworms. For each of these three smart optical devices using respectively blood, urine or stool, a diagnostic performance is aimed which does not significantly deviate in sensitivity and specificity from the diagnostic tests commonly in use in low resource settings, e.g. basic microscopy. At the same time, the optical devices have supplementary logistical advantages, e.g. easiness to use, high throughput and low costs per sample. The aim of the proposed explorative study is to further validate sensitivity and specificity of each of the developed devices, using besides microscopy a range of more advanced reference tests. For this purpose, diagnostic samples (blood, urine, stool) collected from ongoing studies involving malaria, schistosomiasis and STHs. at CERMEL will be used. The outcome of this study will give new insight in the diagnostic performance of the innovative smart optical devices, specifically in comparison to the WHO recommended diagnostic procedures currently used at CERMEL. The study is the core activity of Work Package 3 within the INSPiRED project. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT04505046
Study type Observational [Patient Registry]
Source Centre de Recherche Médicale de Lambaréné
Contact Ayola A ADEGNIKA, PhD; MD
Phone +2466244472
Email aadegnika@cermel.org
Status Recruiting
Phase
Start date March 20, 2020
Completion date December 31, 2023

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