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Convalescent plasma as a treatment modality for coronavirus disease 2019 in Sudan.

ABSTRACT: Coronavirus disease 2019 (COVID-19) is a disease spreading rapidly in Sudan, the rest of the African continent and the world with no known definitive treatment or vaccines. However, among many treatment interventions being tested globally, beneficial effects and clinical improvements have been reported when convalescent plasma is used for treating COVID-19 patients. We prepared a guiding protocol for treating early to moderate COVID-19 patients with plasma transfusion from convalescent COVID-19 patients. This protocol was deduced based on previously published reports and studies that evaluated and tested convalescent plasma as a prospective therapy for COVID-19 patients. The protocol covers instructions on patient and donor selection criteria, plasma harvesting, plasma product specifications, dosage and precautions for convalescent plasma collection and transfusion process. Altogether, we prepared a treatment protocol that is tailored to the context of Sudan to be adopted by Sudan's health authority. Moreover, it will also provide reference for researchers to design open label clinical trials for convalescent plasma transfusion.

SUBMITTER: Hassan MO

PROVIDER: S-EPMC7450236 | biostudies-literature | 2020 Dec

REPOSITORIES: biostudies-literature

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Convalescent plasma as a treatment modality for coronavirus disease 2019 in Sudan.

Hassan Mozan Osman MO Osman Asma Ahmed AA Elbasit Hana Elsir Abd HEA Hassan Hanan Elsamani HE Rufai Hala H Satti Maria M M MMM Elnegoumi Musab M Idris Roaa R Musa Ashraf A Ali Abdelhakam H AH Zroog Susan Ali SA Altayb Abduelbagi D A ADA Khairy Amna A Allam Mushal M Abdelhalim Asaad Tageldein Idris ATI

Transfusion and apheresis science : official journal of the World Apheresis Association : official journal of the European Society for Haemapheresis 20200827 6

Coronavirus disease 2019 (COVID-19) is a disease spreading rapidly in Sudan, the rest of the African continent and the world with no known definitive treatment or vaccines. However, among many treatment interventions being tested globally, beneficial effects and clinical improvements have been reported when convalescent plasma is used for treating COVID-19 patients. We prepared a guiding protocol for treating early to moderate COVID-19 patients with plasma transfusion from convalescent COVID-19 ...[more]

PMID: 32900597

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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 as a treatment modality for coronavirus disease 2019 in Sudan.

Publications

Convalescent plasma as a treatment modality for coronavirus disease 2019 in Sudan.

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