ArticleJournal of immunoassay & immunochemistry2022
A pilot study to assess the performance of a rapid ultrasound particle agglutination method for the detection of HIV antibodies.
Article in Journal of immunoassay & immunochemistry, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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3 authors at 1 institution in 1 country.
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Abstract
Anti-HIV antibody screening and confirmatory tests include rapid diagnostics tests (RDT), which have limited sensitivity, and high-sensitivity ELISA and western blot tests, which are laborious and require technical proficiency. Thus, there is an unmet need for novel rapid, simple, and highly sensitive tests. A pilot study was conducted to assess the performance of a recently developed ultrasound particle agglutination (UPA) method for high-sensitivity HIV antibody detection using 51 confirmed positive and 310 presumably negative plasma samples, and 6 commercially available anti-HIV-1 seroconversion panels (total 56 members). Optimal cutoff value of the UPA method was determined by receiver operating characteristics (ROC) analysis, providing clinical sensitivity and specificity of 100% and 98.1%, respectively. The performance characteristics of UPA, compared with those of some established RDT's and ELISA tests using HIV seroconversion panels, showed 2 days earlier HIV antibody detection than other RDT's and 2nd-generation ELISA, and at approximately the same time as 3rd-generation ELISA. The preliminary analysis of the UPA method performance characteristics showed that it meets the minimum requirements of the WHO guidelines for RDTs as first-line assays. This pilot study paves the way for more detailed validation studies of the UPA method for HIV antibody detection in clinical practice.
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