Aims: The project aims to explore the acceptability and feasibility of a self-sampling, urine-based HPV test (INDICAID HPV Urine Test) in a community setting, and the effectiveness of DNA methylation test for triaging high-risk HPV (HR-HPV) positive women to colposcopy examination compared to the current standard triage methods of cytology and HPV16/18 genotyping. There are two main hypotheses: 1. Urine self-sampling for HPV testing is an acceptable cervical screening option for women in the community. 2. Combining urine HPV testing with DNA methylation will increase the detection rate of high-grade lesions without increasing the colposcopy referral rate. Target participants: Women between the ages of 26-65 and have a history of sexual activity, not have a history of total hysterectomy or cervical cancer, not currently pregnant, not currently under treatment of cervical dysplasia or cervical cancer. This is a prospective study and women who are willing to undergo urine self-sampling for HPV test will be recruited from various communities, such as Specialist out-patient clinics of Queen Mary Hospital (Hong Kong), public areas in Queen Mary Hospital (such as lobby of out-patient clinics and corridors), District Health Centres, the Family Planning Association (FPA) clinics, Anticancer Society, Christian Action, Non Government Organizations (NGO), private organizations, and online. A total of 8,620 women are needed to be recruited to the study: approximately 4,700 onsite and 4,000 online. Study procedures: Self-collected urine samples from study subjects recruited in various communities will be examined using the INDICAID HPV Urine Test. Women with positive urine HPV results will undergo further testing, including urine DNA methylation and co-testing (cytology and HPV genotyping). They will be triaged to colposcopy when test results show clinical indications. The acceptability and feasibility of the urine test will be assessed by calculating the self-sample uptake rate and analyzing participant-reported questionnaires. The detection rate of high-grade lesions and the colposcopy referral rate will be compared between DNA methylation testing and the current standard methods.
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To explore the effectiveness of urine self-sample HPV test as screening tool in cervical cancer screening
Timeframe: through study completion, an average of 18 months
Karen Kar Loen Prof CHAN, MBBChir (Cantab); MD (HK)