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Published on: March 8, 2012
HPV testing by cobas HPV test in a population from Catalonia
Belén Lloveras1, Silvia Gomez, Francesc Alameda
1Department of Pathology, Hospital del Mar, Universitat Autònoma de Barcelona, Barcelona, Spain. blloveras@parcdesalutmar.cat
Plos One
|March 14, 2013
Summary
The cobas HPV Test demonstrates high sensitivity and specificity for cervical cancer screening, matching the performance of the Hybrid Capture 2 (HC2) test. This evaluation supports its use in clinical settings for detecting HPV infections.
Area of Science:
- Gynecology
- Oncology
- Virology
Background:
- Human Papillomavirus (HPV) testing is a key strategy for cervical cancer screening.
- Hybrid Capture 2 (HC2) is an established HPV test with proven clinical performance.
- The cobas HPV Test is a newer assay requiring validation.
Purpose of the Study:
- To evaluate the cobas HPV Test for detecting cervical HPV infection.
- To compare the cobas HPV Test against the HC2 assay as a reference standard.
- To assess the clinical utility of the cobas HPV Test in a Spanish population.
Main Methods:
- Cervical cytology samples from 958 women were analyzed.
- Sensitivity was assessed in 60 high-grade intraepithelial lesion (≥ CIN2) cases.
- Specificity was determined in 898 cases without ≥ CIN2.
- Both cobas HPV Test and HC2 were performed on all samples.
Main Results:
- Identical sensitivity (98.3%) was observed for both cobas HPV Test and HC2 for detecting ≥ CIN2.
- Specificities were 85.3% for HC2 and 86.2% for cobas HPV Test.
- Non-inferiority testing showed cobas HPV Test met and exceeded HC2 performance benchmarks.
Conclusions:
- The cobas HPV Test meets the required sensitivity and specificity for HPV-based cervical cancer screening.
- The test is suitable for triaging minor cytological abnormalities.
- The cobas HPV Test can be confidently introduced into clinical practice.
