ArticleTropical medicine and health2025
Utility and usability of a dengue NS1 rapid diagnostic as a self-test.
Article in Tropical medicine and health, 2025. 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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Abstract
backgroundEarly detection of dengue fever is pivotal to help differentiate against other febrile illnesses, especially in the dengue-endemic regions. Currently, febrile patients would have to go to the healthcare facility to get tested for dengue. A diagnostic approach that empowers febrile persons to perform their own tests is needed. Here, we evaluated the utility and the usability of the dengue NS1 rapid diagnostic test and whether it could be accepted as a home self-test. A lateral flow immunochromatography test (ICT) using DENV NS1 was converted to a possible self-test kit by providing the kit with a test device, an alcohol swab, a lancet, a disposable dropper, an assay buffer, and a test manual.
methodsTwenty volunteers were recruited for this study. The participants performed the self-test under the observation of trained observers who recorded if any procedural error was committed. The results of each test were interpreted by the participants using a given interpretation table.
resultsNinety-five percent (95%) of the study participants found the instruction manual was easy to follow and 70% felt the test kit was easy to use. Additionally, 80% of the participants successfully obtained the expected results. A majority (80%) would consider using the test kit if needed and would recommend it to family members and friends. Seventy percent (70%) of the participants, most of whom with monthly income of less than USD417, were willing to pay less than USD2 for the test kit.
conclusionFindings from the study suggested that a self-test diagnostic for dengue fever is highly acceptable and, hence, could be a viable approach for the early detection of the infection. Trial registration MRECID.NO: 2022628-11345.
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