ORIGINAL RESEARCH article

Front. Microbiol.

Sec. Infectious Agents and Disease

Volume 16 - 2025 | doi: 10.3389/fmicb.2025.1594410

This article is part of the Research TopicPathogenic microorganisms and biosafetyView all 3 articles

Analytical Performance and Standardization of Four HCV RNA Assays in China: An Evaluation of Sensitivity, Precision, and Genotype Inclusivity

Provisionally accepted
Hao  YanHao Yan1Bing  XuBing Xu2Qinyi  ZhangQinyi Zhang1Lijun  ZhangLijun Zhang3Zhihan  FangZhihan Fang4Junhang  PanJunhang Pan1*Huijun  ZhangHuijun Zhang5Wenge  XingWenge Xing2
  • 1Zhejiang Center for Disease Control and Prevention (Zhejiang CDC), Hangzhou, China
  • 2National Center for AIDS/STD Control and Prevention, Chinese Center for Disease Control and Prevention, Beijing, China
  • 3Minhang Hospital, Fudan University, Shanghai, Shanghai Municipality, China
  • 4Yangpu Hospital, Tongji University, Yangpu, Shanghai, China
  • 5Chinese Academy of Medical Sciences and Peking Union Medical College, Dongcheng, Beijing Municipality, China

The final, formatted version of the article will be published soon.

Accurate, specific, and sensitive detection and quantification of hepatitis C virus (HCV) RNA are critical for diagnosing and managing HCV infections. This study evaluated and compared the performance of four commercially available HCV RNA quantification reagents using standardized serum panels, providing evidence-based insights for clinical applications. Performance metrics, including analytical sensitivity, specificity, limit of detection (LOD), precision, genotype inclusivity (GT 1-6), and linearity, were assessed using seven distinct serum panels: basic, analytical specificity, seroconversion, analytical sensitivity, precision, genotype qualification, and linearity panels. All reagents demonstrated 100% analytical sensitivity and specificity (95% CI: 79.95-100), with no cross-reactivity to common interfering substances or viruses. LOD values for reagents A, B, C, and D were 25 IU/mL, 50 IU/mL, 50 IU/mL, and 50 IU/mL, respectively. Intra-and inter-assay coefficients of variation (CVs) for HCV genotypes 1-6 ranged from 1.48% to 4.37% and 1.74% to 4.84%, respectively. Strong linear correlations (R 2 >0.95) were observed between measured and expected HCV RNA levels across all reagents. These reagents exhibit high sensitivity, specificity, precision, and accuracy for HCV genotypes 1-6, with a wide linear range, making them suitable for clinical diagnosis and monitoring of HCV infections.

Keywords: Hepatitis C virus, RNA, Performance assessment, quantitative, Serum panel

Received: 16 Mar 2025; Accepted: 13 May 2025.

Copyright: © 2025 Yan, Xu, Zhang, Zhang, Fang, Pan, Zhang and Xing. This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) or licensor are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

* Correspondence: Junhang Pan, Zhejiang Center for Disease Control and Prevention (Zhejiang CDC), Hangzhou, China

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