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J Clin Virol. 2016 Mar;76 Suppl 1:S29-S39. doi: 10.1016/j.jcv.2015.11.021. Epub 2015 Nov 19.

Three-year longitudinal data on the clinical performance of the Abbott RealTime High Risk HPV test in a cervical cancer screening setting.

Author information

1
Institute of Microbiology and Immunology, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia. Electronic address: mario.poljak@mf.uni-lj.si.
2
Institute of Microbiology and Immunology, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia.
3
Department of Obstetrics and Gynecology, University Medical Center, Ljubljana, Slovenia.

Abstract

BACKGROUND:

Testing cervical smears for the presence of high-risk human papillomaviruses (hrHPV) increases the sensitivity for detecting women with underlying high-grade cervical intraepithelial neoplasia (CIN) and provides better and longer protection against invasive cervical cancer compared to cytology testing alone. The Abbott RealTime High Risk HPV test (RealTime) is a hrHPV DNA test with concurrent partial genotyping for HPV16 and HPV18 and aggregate detection of 12 other hrHPV types that have been extensively analytically and clinically evaluated over the last 6 years.

OBJECTIVES AND STUDY DESIGN:

To provide the first 3-year longitudinal data regarding the clinical performance of RealTime, the risk of CIN2+ according to various negative baseline characteristics, and baseline and future risk for CIN2+ at 3 years for women with baseline infection with various hrHPV types were assessed in a cohort of 3,920 Slovenian women that had hrHPV DNA and/or cytology in 36- to 48-month follow-up results after a baseline screening round in 2009/2010.

RESULTS:

A total of 36 CIN2+ cases were identified in the second screening round. Of these, 17 CIN2+ cases were identified passively through questionnaires/data registries and 19 cases actively as the result of actions triggered by second-round cytology and/or HPV test results. Accumulation of CIN2+ cases during follow-up occurred predominantly in woman with normal cytology at baseline. Among women >30 years old, significantly better protection against CIN2+ at 3 years was associated with a negative hrHPV DNA result at baseline (risk for CIN2+ 0.04% [95 CI, 0.00-0.22%]) than by normal cytology at baseline (risk for CIN2+ 0.68% [95 CI, 0.40-1.08%]). Women with baseline HPV16 infection had a significantly higher risk of CIN2+ at baseline (21.9% [95 CI, 15.2-30.4%]) and baseline plus future risk at 3 years for CIN2+ (33.3% [95 CI, 24.7-44.0%]) in comparison to women with baseline non-HPV16/18 hrHPV infection (7.0% [95 CI, 4.6-10.2%]) or those that were hrHPV-positive (11.7% [95 CI, 9.1-14.9%]).

CONCLUSIONS:

3-year longitudinal data reinforce evidence from previous studies that RealTime can be safely used in primary HPV-based cervical cancer screening. Concurrent partial genotyping for HPV16/18 should be strongly considered as a triage method for HPV screen-positive women.

KEYWORDS:

Abbott RealTime; Cervical cancer; HPV testing; Human papillomaviruses; Screening

PMID:
26643051
DOI:
10.1016/j.jcv.2015.11.021
[Indexed for MEDLINE]

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