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Standardized hepatitis C virus RNA panels for nucleic acid testing assays
1AcroMetrix Corporation, 1440 Fourth Street, Berkeley, CA 94710, USA.
Summary
Standardizing hepatitis C virus (HCV) RNA quantification is crucial for accurate patient management. A new panel (NAP HCV-RNA) calibrated to WHO standards ensures consistent results across diverse nucleic acid testing (NAT) technologies.
Area of Science:
- Virology
- Molecular Diagnostics
- Clinical Chemistry
Background:
- Hepatitis C virus (HCV) RNA quantification is vital for managing infected patients.
- Varied nucleic acid testing (NAT) technologies use different standards, risking misinterpretation of results.
Purpose of the Study:
- To establish worldwide standardization for HCV RNA quantification assays.
- To evaluate a novel HCV RNA quantification panel (NAP HCV-RNA) calibrated against the WHO First International Standard.
Main Methods:
- An eight-member NAP HCV-RNA panel was tested using diverse commercial and in-house NAT technologies (bDNA, TMA, PCR).
- Assay-specific units were compared against World Health Organization International Units (IU/ml).
Main Results:
- The NAP HCV-RNA panel demonstrated assay linearity across tested concentrations (R² values 0.9929–0.9995).
- Correspondence between proprietary assay units and IU varied by technology.
Conclusions:
- The NAP HCV-RNA panel offers a standardized approach for comparing HCV RNA test results across laboratories and technologies.
- This panel ensures NAT testing quality for HCV RNA, irrespective of the methodology employed.