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Heideman DAM, Berkhof J, Verhoef L, Ouwerkerk C, Smit PW, Oštrbenk Valenčak A, Mlakar J, Poljak M, Steenbergen RDM, Bleeker MCG. Validation of the clinical performance and reproducibility of the NeuMoDx HPV assay self-sample workflow. J Clin Virol 2024; 171:105649. [PMID: 38335717 DOI: 10.1016/j.jcv.2024.105649] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Revised: 01/15/2024] [Accepted: 01/29/2024] [Indexed: 02/12/2024]
Abstract
BACKGROUND Human papillomavirus (HPV) testing on self-samples is a valid tool for cervical cancer screening. HPV self-sample workflows need to be clinically validated to ensure safe use in screening. OBJECTIVE This study evaluated the fully automated NeuMoDx HPV Assay self-sample workflow that is compiled of the NeuMoDx HPV assay and the NeuMoDx 96/288 Molecular Systems, for clinical performance and reproducibility on Evalyn Brush-collected self-samples. METHODS The clinical performance of the NeuMoDx HPV Assay self-sample workflow for cervical intraepithelial neoplasia grade 2 or worse (CIN2+) and CIN3+ was evaluated on 987 self-samples obtained from women attending national organized HPV-based cervical cancer screening by a noninferiority analysis relative to reference workflows using either HPV-Risk Assay or high-risk HPV GP5+/6+-PCR. Intra- and inter-laboratory reproducibility of the NeuMoDx HPV Assay self-sample workflow using both NeuMoDx 96 and 288 Molecular Systems was assessed on 520 self-samples in three laboratories. RESULTS The clinical sensitivity and specificity of the NeuMoDx HPV Assay self-sample workflow for the detection of CIN2+ and CIN3+ were found to be non-inferior to the reference workflows using either HPV-Risk Assay or high-risk HPV GP5+/6+-PCR, with all p-values <0.034. The NeuMoDx HPV Assay self-sample workflow exhibited an intra-laboratory reproducibility of 94.4 % (95 %CI:92.5-96.1 %) with kappa value 0.86 (95 %CI:0.81-0.91). Inter-laboratory agreement was high (all ≥93.4 % and all kappa values ≥0.83). CONCLUSIONS The NeuMoDx HPV Assay self-sample workflow demonstrated high clinical accuracy for CIN2+/3+ and high reproducibility. The NeuMoDx HPV Assay self-sample workflow can be considered suitable for cervical cancer screening purposes.
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Affiliation(s)
- D A M Heideman
- Amsterdam UMC location Vrije Universiteit Amsterdam, Pathology, De Boelelaan 1117, Amsterdam, Netherlands; Cancer Center Amsterdam, Imaging and Biomarkers, Amsterdam, Netherlands.
| | - J Berkhof
- Amsterdam UMC location Vrije Universiteit Amsterdam, Data Sciences, De Boelelaan 1117, Amsterdam, Netherlands
| | - L Verhoef
- Amsterdam UMC location Vrije Universiteit Amsterdam, Pathology, De Boelelaan 1117, Amsterdam, Netherlands; Cancer Center Amsterdam, Imaging and Biomarkers, Amsterdam, Netherlands
| | - C Ouwerkerk
- Amsterdam UMC location Vrije Universiteit Amsterdam, Pathology, De Boelelaan 1117, Amsterdam, Netherlands; Cancer Center Amsterdam, Imaging and Biomarkers, Amsterdam, Netherlands
| | - P W Smit
- Molecular Diagnostics Unit, Medical Microbiology, Maasstad Ziekenhuis, Rotterdam, Netherlands
| | - A Oštrbenk Valenčak
- Institute of Microbiology and Immunology, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
| | - J Mlakar
- Institute of Microbiology and Immunology, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
| | - M Poljak
- Institute of Microbiology and Immunology, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia
| | - R D M Steenbergen
- Amsterdam UMC location Vrije Universiteit Amsterdam, Pathology, De Boelelaan 1117, Amsterdam, Netherlands; Cancer Center Amsterdam, Imaging and Biomarkers, Amsterdam, Netherlands
| | - M C G Bleeker
- Amsterdam UMC location Vrije Universiteit Amsterdam, Pathology, De Boelelaan 1117, Amsterdam, Netherlands; Cancer Center Amsterdam, Imaging and Biomarkers, Amsterdam, Netherlands
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