ArticlePLoS neglected tropical diseases2025
Comparative performance of a commercial and in-house Mp1p antigen-detecting enzyme immunoassay for the rapid diagnosis of talaromycosis.
Article in PLoS neglected tropical diseases, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Development and Clinical Evaluation of a Novel Talaromyces marneffei Mp1p Lateral Flow Assay for Rapid Diagnosis of Talaromycosis.Clinical infectious diseases : an official publication of the Infectious Diseases Society of America · 2026Article
- Diagnostic performance of a biotin-labeled 4D1 sandwich ELISA for serum antigen detection in talaromycosis.PLoS neglected tropical diseases · 2026Article
- Antigen detection of Talaromyces infection in the US: Case report.Medical mycology case reports · 2026Article
- Clinical Performance of a Mp1p Antibody Detection Immunoassay For Talaromycosis.medRxiv : the preprint server for health sciences · 2026Article
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Abstract
backgroundSeveral antigen-detection assays have been developed for the rapid diagnosis of talaromycosis, but their utility has been limited by a lack of commercial options. The aim of this study was to perform a head-to-head comparison of the performance of our in-house monoclonal antibody-based Mp1p antigen-detecting enzyme immunoassay (EIA) with its recently-developed commercial platform.
methodsIn this diagnostic accuracy, retrospective, case-cohort study, we compared the sensitivity, specificity, positive likelihood ratio (LR+) and negative likelihood ratio (LR-) of the commercial Wantai Mp1p EIA versus our in-house Mp1p EIA on paired plasma and urine samples from 424 hospitalized adults with advanced HIV disease, including 224 cases of proven talaromycosis, where Talaromyces marneffei was isolated in culture of blood or other clinical specimens, and 200 controls diagnosed with a range of other opportunistic infections. All participants were randomly selected from prospective cohorts recruited between 2011 and 2019 from five centers in Vietnam.
resultsThe sensitivity of the Wantai and in-house Mp1p EIAs were comparable in plasma (95.1% vs 92.4%, P = 0.11), in urine (91.5% vs 87.1% P = 0.07), and in combined testing of plasma and urine (96.4% vs 96.0%, P = 1.00), where talaromycosis was diagnosed based on the positivity of either specimen. The specificity of the Wantai and in-house Mp1p EIAs were consistently high in plasma, in urine, and in combined testing (93 - 97%). The Wantai and in-house Mp1p EIAs provided substantially higher sensitivity than blood culture detection (96.4% and 96.0% vs 78.6%, P < 0.001). For both EIAs, LR+ were greater than 10 and LR- were less than 0.1, which increases the confidence to rule in or rule out talaromycosis.
conclusionsThe diagnostic performance of the Wantai Mp1p EIA was comparable to our validated in-house Mp1p EIA, and significantly more sensitive than blood culture, offering a standardized tool for the rapid diagnosis of talaromycosis.
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