The Journal of infection · 2025
Evaluation of the diagnostic accuracy of Xpert® Mpox and STANDARD™ M10 MPX/OPX for the detection of monkeypox virus.
СтатьяОценочное исследованиеНазвание и аннотация: Перевод в очереди
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Romero-Ramirez Alessandra, Somasundaran Anushri, Kontogianni Konstantina, Parkes Jacob, Hussain Yusra, Gould Susan, Williams Christopher T, Wooding Dominic, Body Richard, Hardwick Hayley E, Baillie J Kenneth, Dunning Jake, Semple Malcolm G, CONDOR steering group, ISARIC 4C Investigators, Fletcher Tom E, Edwards Thomas, Emperador Devy, Cubas-Atienzar Ana I
Аннотация
OBJECTIVES: Evaluation of diagnostic accuracy of two point-of-care (POC) molecular diagnostic tests for the detection of monkeypox virus (MPXV): Xpert® Mpox (Cepheid, Inc., USA) and STANDARD™ M10 MPX/OPX (SD Biosensor, Inc., Korea).
METHODS: Diagnostic accuracy of both POC platforms was evaluated using 53 upper-respiratory swabs (URS) and 32 skin lesions swabs (SS) collected from mpox and COVID-19 patients in the UK against the Sansure (Sansure Biotech Inc.) and CDC reference qPCR tests. The analytical sensitivity of both platforms was assessed using a viral isolate from II, B.1 lineage.
RESULTS: The overall sensitivity and specificity of the Xpert® Mpox was 97.67% [95% CI 87.71-99.94%] and 88.57% [95% CI 73.26-96.80%] and 97.44% [95% CI 86.52-99.94%] and 74.42% [95% CI 58.83-86.48%] comparing the Sansure and CDC qPCR, respectively and for the M10 MPX/OPX was 87.80% [95% CI 73.80-95.92%] and 76.60% [95% CI 61.97-87.70%] and 94.29% [95% CI 80.84-99.30%] and 86.67% [95% CI 73.21-94.95%] with the Sansure and CDC qPCR.
CONCLUSION: The Xpert® Mpox had good diagnostic accuracy for both sample types while the M10 MPX/OPX clinical accuracy was deficient with URS. Our data supports the use of URS during the first 3 days of symptoms onset for mpox diagnosis.
METHODS: Diagnostic accuracy of both POC platforms was evaluated using 53 upper-respiratory swabs (URS) and 32 skin lesions swabs (SS) collected from mpox and COVID-19 patients in the UK against the Sansure (Sansure Biotech Inc.) and CDC reference qPCR tests. The analytical sensitivity of both platforms was assessed using a viral isolate from II, B.1 lineage.
RESULTS: The overall sensitivity and specificity of the Xpert® Mpox was 97.67% [95% CI 87.71-99.94%] and 88.57% [95% CI 73.26-96.80%] and 97.44% [95% CI 86.52-99.94%] and 74.42% [95% CI 58.83-86.48%] comparing the Sansure and CDC qPCR, respectively and for the M10 MPX/OPX was 87.80% [95% CI 73.80-95.92%] and 76.60% [95% CI 61.97-87.70%] and 94.29% [95% CI 80.84-99.30%] and 86.67% [95% CI 73.21-94.95%] with the Sansure and CDC qPCR.
CONCLUSION: The Xpert® Mpox had good diagnostic accuracy for both sample types while the M10 MPX/OPX clinical accuracy was deficient with URS. Our data supports the use of URS during the first 3 days of symptoms onset for mpox diagnosis.