Abstract

Cervical cancer can be eradicated by 2030 by the implementation of a global strategy involving the vaccination of young girls against human papillomavirus (HPV), screening 70% of women in 30-69 years of age and treating 90% of the women with precancerous lesions. For a country with a large population like India, all the three strategies can be a challenge. There is a need for implementation of a high throughput technology that can be scalable. Cobas 4800, a multiplexed assay based on quantitative polymerase chain reaction technology, identifies HPV 16 and HPV 18 along with the concurrent detection of 12 pooled other high-risk HPV infections. This technology was used to test 10 375 women from the South Indian community for the first time as a feasibility program. Upon testing, high-risk HPV was found in 595 (5.73%) women. A total of 127 women (1.2%) were found to be infected with HPV 16, 36 women (0.34%) with HPV 18 and 382 women (3.68%) with the 12 pooled high-risk HPV and multiple mixed infections were found in 50 women (0.48%). It was observed that there was a high prevalence of high-risk HPV in younger women, 30-40 years of age and a second peak was observed at 46-50 years of age. The second peak had higher mixed infections in the 46-50 years of age and this association was statistically significant. We found that 24/50 (48%) of the multiple mixed high-risk HPV infections were in the age group 46-50 years. The current study is the first attempt from India, on a completely automated platform using Cobas 4800 HPV test in a community screening program. This study shows HPV 16 and HPV 18 infections, when differentiated, can be valuable for risk stratification in community screening program. Women in the perimenopausal age (46-50yrs) showed a higher prevalence of multiple mixed infections, signifying a higher risk.

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