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Convalescent plasma transfusion a promising therapy for coronavirus diseases 2019 (COVID-19): current updates.

ABSTRACT: While there is no proven treatment available for coronavirus disease 2019 (COVID-19), convalescent plasma (CP) may provide therapeutic relief as the number of cases escalate steeply world-wide. At the time of writing this review, vaccines, monoclonal antibodies or drugs are still lacking for the recent large COVID-19 outbreak, which restores the interest in CP as an empirical life-saving treatment. However, formal proof of efficacy is needed. The purpose of this review is to summarize all historical clinical trials on COVID-19 infected patients treated with CP to provide precise evidence for the efficacy and effectiveness of CP therapy in severe COVID-19 patients. Although there are many clinical trials in progress, high-quality clinical evidence is still lacking to analyze the existing problems. Meanwhile, based on the previous successful outcomes, we recommend healthcare systems to use CP therapy cautiously in critically ill COVID-19 patients.

SUBMITTER: Verma HK

PROVIDER: S-EPMC7314270 | biostudies-literature | 2020 Apr

REPOSITORIES: biostudies-literature

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Convalescent plasma transfusion a promising therapy for coronavirus diseases 2019 (COVID-19): current updates.

Verma Henu Kumar HK Farran Batoul B Bhaskar Lakkakula V K S LVKS

Antibody therapeutics 20200401 2

While there is no proven treatment available for coronavirus disease 2019 (COVID-19), convalescent plasma (CP) may provide therapeutic relief as the number of cases escalate steeply world-wide. At the time of writing this review, vaccines, monoclonal antibodies or drugs are still lacking for the recent large COVID-19 outbreak, which restores the interest in CP as an empirical life-saving treatment. However, formal proof of efficacy is needed. The purpose of this review is to summarize all histor ...[more]

PMID: 33912791

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Project description:BackgroundThe efficacy of coronavirus disease 2019 (COVID-19) convalescent plasma (CCP) is primarily ascribed as a source of neutralizing anti-severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) antibodies. However, the composition of other immune components in CCP and their potential roles remain largely unexplored. This study aimed to describe the composition and concentrations of plasma cytokines and chemokines in eligible CCP donors.MethodsA cross-sectional study was conducted among 20 prepandemic healthy blood donors without SARS-CoV-2 infection and 140 eligible CCP donors with confirmed SARS-CoV-2 infection. Electrochemiluminescence detection-based multiplexed sandwich immunoassays were used to quantify plasma cytokine and chemokine concentrations (n = 35 analytes). A SARS-CoV-2 microneutralization assay was also performed. Differences in the percentage of detection and distribution of cytokine and chemokine concentrations were examined by categorical groups using Fisher's exact and Wilcoxon rank-sum tests, respectively.ResultsAmong CCP donors (n = 140), the median time since molecular diagnosis of SARS-CoV-2 was 44 days (interquartile range = 38-50) and 9% (n = 12) were hospitalized due to COVID-19. Compared with healthy blood donor controls, CCP donors had significantly higher plasma levels of interferon (IFN)-γ, interleukin (IL)-10, IL-15, IL-21, and macrophage-inflammatory protein-1, but lower levels of IL-1RA, IL-8, IL-16, and vascular endothelial growth factor-A (P < .0014). The distributions of plasma levels of IL-8, IL-15, and IFN-inducible protein-10 were significantly higher among CCP donors with high (≥160) versus low (<40) anti-SARS-CoV-2 neutralizing antibody titers (P < .0014). The median levels of IL-6 were significantly higher among CCP donors who were hospitalized versus nonhospitalized (P < .0014).ConclusionsHeterogeneity in cytokine and chemokine composition of CCP suggests there is a different inflammatory state among the CCP donors compared with SARS-CoV-2 naive, healthy blood donors.

Dataset Information

Convalescent plasma transfusion a promising therapy for coronavirus diseases 2019 (COVID-19): current updates.

Publications

Convalescent plasma transfusion a promising therapy for coronavirus diseases 2019 (COVID-19): current updates.

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