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Self-Test for HPV Becomes Important Component of Cervical Cancer Screening: Study Suggests - Video

Published On 2024-12-18T08:15:00+05:30  |  Updated On 18 Dec 2024 2:30 PM IST
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Overview

Analyses of self-tests for human papillomavirus (HPV) can be used to divide HPV-positive women into three risk groups, according to a new study from Karolinska Institutet and Queen Mary University of London published in PLOS Medicine. This method could be important for enhancing cervical cancer screening.
"Self-testing for HPV has become an important component in cervical screening. It reaches women who would not otherwise participate," says Jiayao Lei, assistant professor at the Department of Medical Epidemiology and Biostatistics and Department of Clinical Science, Intervention and Technology, who is the lead author of the study.
The study, conducted in primary care centres in England, included 855 women with a positive HPV self-test, i.e. indicative of HPV infections, and had a subsequent clinician-sample. It was found that 71 of these women (8.3%) had the severe cervical precancer or cancer.
The researchers looked at the details of the HPV test results on self-sample and used a new method to assess the risk of severe cellular changes. The risk stratification is based on the variant of the HPV virus and the amount of virus present in the self-test. Using this, they divided the women into three risk groups: high, medium and low risk. Women with HPV type 16 and a low Ct value (<30) had the highest risk of severe cervical precancer or cancer.
"About 40 % of women in our high-risk group had been diagnosed with the severe cervical precancer or cancer that requires treatment. Therefore, our recommendation for the future is that this group be referred directly for further investigation with colposcopy," says Jiayao Lei.
More than half of those who tested positive were in the low-risk group, with a 4% probability of being diagnosed with severe cervical precancer or cancer within 12 months.
Reference: "Human papillomavirus genotype and cycle threshold value from self-samples and risk of high-grade cervical lesions: A post hoc analysis of a modified stepped-wedge implementation feasibility trial" Jiayao Lei, Kate Cuschieri, Hasit Patel, Alexandra Lawrence, Katie Deats, YouScreen trial team, Peter Sasieni, Anita W. W. Lim, PLOS Medicine, online December 12 2024, doi: 10.1371/journal.pmed.1004494.

Speakers

Dr. Bhumika Maikhuri

BDS, MDS

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