Clinical and analytical performance of the CLART HPV 4S assay with SurePath screening samples from the Danish cervical cancer screening program using the VALGENT framework.

The CLART HPV4S (CLART4S) is a novel full genotyping assay, based on PCR/microarray technology. We assessed the clinical accuracy of the CLART4S assays under the fourth installment of the VALGENT framework. The VALGENT cohort comprised 998 consecutive cervical samples from women participating in the Danish screening programme enriched with 297 samples with abnormal cytology (100 ASCUS, 100 LSIL, 97 HSIL). The CLART4S assay detects 16 HPV genotypes individually: 14 oncogenic and two non-oncogenic HPV types. The GP5+/6+ PCR Enzyme-Immuno-Assay (GP-EIA) and GP5+/6+ PCR with Luminex genotyping (GP-LMNX) were used as comparator tests for clinical accuracy and HPV genotype concordance, respectively. The sensitivity for ≥ CIN2 for the CLART4S assay was 96.7 % (GP-EIA: 92.6 %) with a relative sensitivity of 1.04 (1.00-1.09). The sensitivity for ≥ CIN3 was 98.8 % (GP-EIA: 94.0 %), with relative sensitivity of 1.05 (1.00-1.10). The specificity for

Keywords:

• Concordance
• Internal medicine
• Oncology
• Genotyping
• Ascus
• cervical cancer screening
• Danish
• abnormal cytology
• Biology
• Population
• Genotype

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