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- Title
SARS-CoV-2 Neutralization Assays Used in Clinical Trials: A Narrative Review.
- Authors
Sun, Yeqing; Huang, Weijin; Xiang, Hongyu; Nie, Jianhui
- Abstract
Since the emergence of COVID-19, extensive research efforts have been undertaken to accelerate the development of multiple types of vaccines to combat the pandemic. These include inactivated, recombinant subunit, viral vector, and nucleic acid vaccines. In the development of these diverse vaccines, appropriate methods to assess vaccine immunogenicity are essential in both preclinical and clinical studies. Among the biomarkers used in vaccine evaluation, the neutralizing antibody level serves as a pivotal indicator for assessing vaccine efficacy. Neutralizing antibody detection methods can mainly be classified into three types: the conventional virus neutralization test, pseudovirus neutralization test, and surrogate virus neutralization test. Importantly, standardization of these assays is critical for their application to yield results that are comparable across different laboratories. The development and use of international or regional standards would facilitate assay standardization and facilitate comparisons of the immune responses induced by different vaccines. In this comprehensive review, we discuss the principles, advantages, limitations, and application of different SARS-CoV-2 neutralization assays in vaccine clinical trials. This will provide guidance for the development and evaluation of COVID-19 vaccines.
- Subjects
VACCINE immunogenicity; VACCINE trials; NEUTRALIZATION tests; CLINICAL trials; SARS-CoV-2
- Publication
Vaccines, 2024, Vol 12, Issue 5, p554
- ISSN
2076-393X
- Publication type
Article
- DOI
10.3390/vaccines12050554