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Showing content from https://pubmed.ncbi.nlm.nih.gov/17942871/ below:

Human papillomavirus DNA versus Papanicolaou screening tests for cervical cancer

Randomized Controlled Trial

Affiliations

• ¹ Department of Oncology and Epidemiology & Biostatistics, McGill University, Montreal, Canada.

• PMID: 17942871
• DOI: 10.1056/NEJMoa071430

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Randomized Controlled Trial

Marie-Hélène Mayrand et al. N Engl J Med. 2007.

• ¹ Department of Oncology and Epidemiology & Biostatistics, McGill University, Montreal, Canada.

• PMID: 17942871
• DOI: 10.1056/NEJMoa071430

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Background: To determine whether testing for DNA of oncogenic human papillomaviruses (HPV) is superior to the Papanicolaou (Pap) test for cervical-cancer screening, we conducted a randomized trial comparing the two methods.

Methods: We compared HPV testing, using an assay approved by the Food and Drug Administration, with conventional Pap testing as a screening method to identify high-grade cervical intraepithelial neoplasia in women ages 30 to 69 years in Montreal and St. John's, Canada. Women with abnormal Pap test results or a positive HPV test (at least 1 pg of high-risk HPV DNA per milliliter) underwent colposcopy and biopsy, as did a random sample of women with negative tests. Sensitivity and specificity estimates were corrected for verification bias.

Results: A total of 10,154 women were randomly assigned to testing. Both tests were performed on all women in a randomly assigned sequence at the same session. The sensitivity of HPV testing for cervical intraepithelial neoplasia of grade 2 or 3 was 94.6% (95% confidence interval [CI], 84.2 to 100), whereas the sensitivity of Pap testing was 55.4% (95% CI, 33.6 to 77.2; P=0.01). The specificity was 94.1% (95% CI, 93.4 to 94.8) for HPV testing and 96.8% (95% CI, 96.3 to 97.3; P<0.001) for Pap testing. Performance was unaffected by the sequence of the tests. The sensitivity of both tests used together was 100%, and the specificity was 92.5%. Triage procedures for Pap or HPV testing resulted in fewer referrals for colposcopy than did either test alone but were less sensitive. No adverse events were reported.

Conclusions: As compared with Pap testing, HPV testing has greater sensitivity for the detection of cervical intraepithelial neoplasia. (Current Controlled Trials number, ISRCTN57612064 [controlled-trials.com].).

Copyright 2007 Massachusetts Medical Society.

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