Dataset Information

The Role of Human Papillomavirus Genotyping in Cervical Cancer Screening: A Large-Scale Evaluation of the cobas HPV Test.

ABSTRACT: BACKGROUND:The cobas HPV Test ("cobas"; Roche Molecular Systems) detects HPV16 and HPV18 individually, and a pool of 12 other high-risk (HR) HPV types. The test is approved for (i) atypical squamous cells of undetermined significance (ASC-US) triage to determine need for colposcopy, (ii) combined screening with cytology ("cotesting"), and (iii) primary HPV screening. METHODS:To assess the possible value of HPV16/18 typing, >17,000 specimens from a longitudinal cohort study of initially HPV-positive women (HC2, Qiagen) were retested with cobas. To study accuracy, cobas genotyping results were compared with those of an established method, the Linear Array HPV Genotyping Test (LA, Roche Molecular Systems). Clinical value of the typing strategy was evaluated by linking the cobas results (supplemented by other available typing results) to 3-year cumulative risks of CIN3+. RESULTS:Grouped hierarchically (HPV16, else HPV18, else other HR types, else negative), the ? statistic for agreement between cobas and LA was 0.86 [95% confidence interval (CI), 0.86-0.87]. In all three scenarios, HPV16-positive women were at much higher 3-year risk of CIN3+ than HPV16-negative women: women ages 21 and older with ASC-US (14.5%; 95% CI, 13.5%-15.5% vs. 3.5%; 95% CI, 3.3-3.6); women ages 30 years and older that were HPV-positive cytology-negative (10.3%; 95% CI, 9.6-11.1 vs. 2.3%; 95% CI, 2.2-2.4); and all women 25 years and older that were HPV-positive (18.5%; 95% CI, 17.8-19.2 vs. 4.3%; 95% CI, 4.2-4.4). CONCLUSION:The cobas and LA results show excellent agreement. The data support HPV16 typing. IMPACT:HPV16 typing is useful in the management of HPV-positive/cytology-negative women in cotesting, of all HPV-positive women in primary HPV testing, and perhaps in the management of HPV-positive women with ASC-US. Cancer Epidemiol Biomarkers Prev; 24(9); 1304-10.

SUBMITTER: Schiffman M

PROVIDER: S-EPMC4560647 | biostudies-literature | 2015 Sep

REPOSITORIES: biostudies-literature

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The Role of Human Papillomavirus Genotyping in Cervical Cancer Screening: A Large-Scale Evaluation of the cobas HPV Test.

Schiffman Mark M Boyle Sean S Raine-Bennett Tina T Katki Hormuzd A HA Gage Julia C JC Wentzensen Nicolas N Kornegay Janet R JR Apple Raymond R Aldrich Carrie C Erlich Henry A HA Tam Thanh T Befano Brian B Burk Robert D RD Castle Philip E PE

Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology 20150618 9

<h4>Background</h4>The cobas HPV Test ("cobas"; Roche Molecular Systems) detects HPV16 and HPV18 individually, and a pool of 12 other high-risk (HR) HPV types. The test is approved for (i) atypical squamous cells of undetermined significance (ASC-US) triage to determine need for colposcopy, (ii) combined screening with cytology ("cotesting"), and (iii) primary HPV screening.<h4>Methods</h4>To assess the possible value of HPV16/18 typing, >17,000 specimens from a longitudinal cohort study of init ...[more]

PMID: 26088703

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Project description:The Alinity m HR HPV assay (Alinity) is a novel human papillomavirus (HPV) assay that individually identifies genotypes HPV16, HPV18, and HPV45 while reporting on 11 other high-risk HPV (hrHPV) genotypes in two aggregates: HPV31/33/52/58 and HPV35/39/51/56/59/66/68. The clinical performance of Alinity for screening for cervical cancer was evaluated in population-based settings. For women aged ≥30 years, the clinical sensitivity (n = 68) and specificity (n = 3,077) for the detection of cervical intraepithelial neoplasia grade 2+ (CIN2+) of Alinity were 100.0% and 92.4%, respectively, and were not inferior to those of the Qiagen Digene Hybrid Capture 2 high-risk HPV DNA assay (hc2) (P = 0.0006 and P < 0.0001, respectively). The intralaboratory reproducibility and interlaboratory agreement of Alinity were 96.7% (kappa, 0.92) and 98.7% (kappa, 0.97), respectively. In the group ≥30 years of age, women who were baseline hrHPV negative had a lower risk for CIN2+ at 3 years using Alinity (0.04%) than those with a normal baseline cytology (0.65%) and had a risk comparable to that determined by the Abbott RealTime High Risk HPV assay (0.04%), hc2 (0.08%), or the Roche Cobas 4800 HPV assay (0.04%). High-risk HPV16/18 infection was associated with a significantly higher baseline and 3-year CIN2+ and CIN3+ risk than the absence of HPV16/18 or the presence of hrHPVs at the baseline (all P values were <0.05). The baseline CIN2+ risk was 8.8% for those with HPV31/33/52/58 infection and 2.5% for those with HPV35/39/51/56/59/66/68 infection, while the 3-year CIN2+ risk was 17.0% and 4.9%, respectively (relative risk, 3.4 [P = 0.03] and 3.5 [P = 0.003], respectively), suggesting that extended genotyping by Alinity may be valuable in improving patient risk stratification. Alinity fulfills international consensus guideline criteria for primary cervical cancer screening and can be considered clinically validated, demonstrating safety comparable to that of other clinically validated HPV tests.

Dataset Information

The Role of Human Papillomavirus Genotyping in Cervical Cancer Screening: A Large-Scale Evaluation of the cobas HPV Test.

Publications

The Role of Human Papillomavirus Genotyping in Cervical Cancer Screening: A Large-Scale Evaluation of the cobas HPV Test.

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