Current Microbiology

, Volume 64, Issue 2, pp 148–151 | Cite as

Comparison of Monolisa HCV Ag/Ab ULTRA With Two Anti-HCV Assays For the Detection of HCV Infection in Hospital Setting



In this study, we compared the performance of three serological assays (Monolisa HCV Ag/Ab ULTRA, Innotest HCV Ab IV enzyme immunoassay—EIA, and Ortho HCV 3.0 enzyme-linked immunosorbent assay—ELISA) for the detection of HCV infection. Ninety plasma samples were collected, representing 63 samples from groups at risk for acquiring HCV infection and 27 HCV RNA-positive samples. The results of Ortho HCV 3.0 ELISA, Innotest HCV Ab IV, and Monolisa HCV Ag/Ab ULTRA were fully concordant for 27 HCV RNA-positive samples. Ortho HCV 3.0 ELISA test and Innotest HCV Ab IV also gave the same results for risk groups, while three samples were found to be reactive by Monolisa HCV Ag/Ab ULTRA and were consequently found negative for HCV RNA. As two of the solely Monolisa HCV Ag/Ab ULTRA-positive samples were also hepatitis B s antigen (HBsAg)-positive, neutralization of HBsAg was performed but no arguments for the HBsAg interference were observed. In conclusion, the non-specific reactive signal was observed, in three samples using Monolisa HCV Ag/Ab ULTRA, to be negative by other serological assays, and observed to be negative in an HCV RNA assessment, a result that could not be attributed to the interference with HBsAg. In the context of diagnostic testing, no test for various HCV genotypes was observed to be superior to any other.


Conflict of interest

The authors declare that they have no conflict of interest.


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© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  1. 1.Department of Clinical Chemistry, Microbiology and ImmunologyGhent University HospitalGhentBelgium
  2. 2.AnkaraTurkey

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