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Molbio Diagnostics Ltd. (India) has developed the Truelab™ Real Time quantitative PCR system that is widely used in India for diagnostics of tuberculosis (TB). The system consists of two portable machines and two microfluidic cartridges and can be used in point-of-care settings. The manufacturer has recently developed a new assay that detects HCV RNA, the Truenat™ HCV RNA assay. It is a simple two-step assay for RNA extraction and amplification with a total turnaround time of 60 min, using whole blood, plasma and serum as sample types. Most importantly, the assay can be performed from a drop of capillary blood eliminating the need for venous access and blood draw and increasing its usability in the settings where phlebotomy service are not available. To date, validation of the assay was performed using archived plasma specimens and contrived whole blood specimens. FIND aims to conduct a multicentre evaluation to assess the assay's sensitivity, specificity and quantitative accuracy in freshly collected whole blood, plasma and serum specimens from target populations. The evaluation aims to gather performance data in line with the requirements set forth in the Common Technical Specifications 2009/886/EC (CTS) of the CE In Vitro Diagnostics Medical Devices Directive 98/79/CE (CE-IVDD), as well as the World Health Organization (WHO) Technical Specification Series 10 (draft) (TSS-10) for In vitro diagnostic (IVDs) medical devices used for the qualitative and quantitative detection of HCV RNA.
Full description
Even though hepatitis C virus (HCV) infection can now be cured, globally, fewer than 20% of the 71 million living with HCV are aware of their status; diagnosis remains a major challenge. While serology screening tests that detect the presence of antibodies against HCV, can be performed in decentralized settings, these tests cannot distinguish between resolved (about 25% of seropositive cases) and active infection. Therefore, positive serology test results require further confirmation by laboratory-based methods that detects the viral particle. The two-step testing process results in high drop-off in confirmatory testing among HCV seropositive individuals, especially in low- and middle-income countries (LMIC) where laboratory infrastructure is lacking. Providing access to confirmatory testing in decentralized settings has a high potential to increase the coverage of HCV testing services in LMIC.
Molbio Diagnostics Ltd. (India) has developed the Truelab™ Real Time quantitative PCR system that is widely used in India for diagnostics of tuberculosis (TB). The system consists of two portable machines and two microfluidic cartridges and can be used in point-of-care settings. The manufacturer has recently developed a new assay that detects HCV RNA, the Truenat™ HCV RNA assay. It is a simple two-step assay for RNA extraction and amplification with a total turnaround time of 60 min, using whole blood, plasma and serum as sample types. Most importantly, the assay can be performed from a drop of capillary blood eliminating the need for venous access and blood draw and increasing its usability in the settings where phlebotomy service are not available. To date, validation of the assay was performed using archived plasma specimens and contrived whole blood specimens. FIND aims to conduct a multicentre evaluation to assess the assay's sensitivity, specificity and quantitative accuracy in freshly collected whole blood, plasma and serum specimens from target populations. The evaluation aims to gather performance data in line with the requirements set forth in the Common Technical Specifications 2009/886/EC (CTS) of the CE In Vitro Diagnostics Medical Devices Directive 98/79/CE (CE-IVDD), as well as the World Health Organization (WHO) Technical Specification Series 10 (draft) (TSS-10) for In vitro diagnostic (IVDs) medical devices used for the qualitative and quantitative detection of HCV RNA. The data will be published as a peer-reviewed report and made available to the test manufacturer to support regulatory submissions.
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Inclusion criteria
Individuals reached the age of an adult as defined in the country that are able to understand the scope of the study and provide informed consent will be invited to take part in the study. In order to meet the study objectives, four different population groups will be considered:
HCV SEROPOS: Individuals at risk of having HCV infection based on positive HCV serology test results, without history of HCV treatment
Inclusion criterion:
• Documented positive result of HCV serology test
HCV RISK: Individuals with unknown serology status at risk of HCV infection based on past and/or current exposure to risk factors
Inclusion criterion:
• Past and/or current exposure to one of the high risk factors as defined by WHO and CDC guidelines (Appendix 1)
HCV TREAT: Individuals diagnosed with chronic HCV infection who initiated or completed the anti-HCV treatment with direct acting antivirals (DAA) presenting at the clinical site for treatment monitoring or test of cure (i.e. sustained virological response)
Inclusion criterion:
• Initiated on DAA treatment (regardless of type of DAA regimen) within 12 months prior to the enrolment to the study
BLOOD DONORS: Healthy blood donors free of HBV, HCV and HIV infections, as determined by standard blood bank protocols
Exclusion criteria
Exclusion criteria (for all study populations):
Exclusion criterion for BLOOD DONORS:
• Positive results in HBV, HCV and HIV tests routinely used in the blood bank to assess blood products safety
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1,330 participants in 2 patient groups
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Data sourced from clinicaltrials.gov
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