Clinical comparison of two human papillomavirus detection assays: GenoFlow and reverse line blot.

Abstract:

INTRODUCTION:Human papillomavirus (HPV) infection is typically critical in the oncogenesis of cervical cancer. However, available HPV detection kits differ in their ability and sensitivity to detect various types of HPV, and this variability has led to inconsistencies in the reporting of the geographic prevalence of HPV types, especially in developing countries. Here, we compared results of the recently developed GenoFlow HPV array test, which detects 33 HPV genotypes, to those of the well-established reverse line blot (RLB) assay, which detects 23 HPV types. METHODOLOGY:In total, 608 cervical specimens with cytology results ranging from normal to cancer were collected using an endocervical brush from women attending outpatient clinics in Riyadh, Saudi Arabia. RESULTS:Sixty-nine specimens (11%) were positive for HPV. HPV genotype detection using the GenoFlow test had a sensitivity of 62% and a specificity of 100%. Overall agreement between the two HPV genotyping methods was 97%, with a concordance rate of 95%. Among the GenoFlow test results, 2% indicated additional HPV types that were not detected in the RLB assay, whereas the GenoFlow test missed 0.3% of the HPV types that were detected by the RLB; however, both tests were in agreement in detecting all major HPV types. CONCLUSION:The GenoFlow test was reliable, with results comparable to the RLB test. However, because the GenoFlow test is less labor-intensive and takes less total time (3 hours), it is a promising, affordable alternative to the RLB for HPV diagnosis and screening programs.

journal_name

J Infect Dev Ctries

authors

Alhamlan FS,Khayat HH,Obeid DA,Tulba AM,Baduwais TS,Alfageeh MB,Al-Ahdal MN

doi

10.3855/jidc.11769

subject

Has Abstract

pub_date

2020-01-31 00:00:00

pages

97-103

issue

1

eissn

2036-6590

issn

1972-2680

journal_volume

14

pub_type

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