HIV
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: Diagnostic Evaluation Component (DEC) Inclusion criteria: Individuals aged 10 years and older. Confirmed HIV infection (documented medical record); irrespective of CD4 count or ART status. Receiving care at participating study sites. Usability Assessment Component (UAC) Inclusion criteria: Individuals aged 18 years and older Healthcare workers or laboratory personnel involved in HIV VL and/or CD4 testing at participating sites.
Exclusion criteria
Exclusion criteria: Diagnostic Evaluation Component (DEC) Exclusion criteria: Unable or unwilling to provide informed consent/assent. Any condition that, in the opinion of the investigator, would preclude provision of appropriate samples. Usability Assessment Component (UAC) Unwilling or unable to provide informed consent
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Point estimates of sensitivity and specificity of novel HIV tests, with 95% confidence intervals, using WHO-endorsed reference standards. During the course of the study – it is a rolling protocol and depends on the tech that is available and has been onboarded for the duration of the 2 years. Data is collected in various Case Report Forms at screening and enrolment, at sample collection, at sample processing, when results are available, in the form of surveys for usability ad acceptability surveys for the tech involved and usability evaluations for test information, direct observations and think aloud protocols. REDCap will be the primary data collection tool. | — |
Secondary
| Measure | Time frame |
|---|---|
| 2.1 Point estimates of sensitivity and specificity of novel HIV tests, with 95% confidence intervals, using WHO-endorsed reference standards. at clinically relevant cutoffs: - HIV VL: 50, 200, and 1,000 copies/mL - CD4: =200 and =350 cells/µL 2.2 Point estimates of sensitivity and specificity of novel HIV tests, with 95% confidence intervals, using novel POC sample preparation methods against WHO-endorsed reference standards. 2.3 Agreement analysis for novel HIV tests: Quantitative agreement (e.g. Bland-Altman bias, limits of agreement Categorical agreement at clinical thresholds 2.4 Agreement analysis of reference testing with samples prepared by the novel POC device and currently recommended preparation device: - Quantitative agreement (e.g. Bland-Altman bias, limits of agreement) - Categorical agreement at clinical thresholds 2.5 Usability metrics, including task performance metrics (e.g., proportion of invalid/error results, user error rates, time to result) and analysis of survey responses using descriptive parameters (e.g., proportions and Likert scale averages). | — |
Countries
Nigeria, Philippines, South Africa, Uganda, Zambia
Contacts
Universitätsklinikum Heidelberg