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The pharmacological development of direct acting agents for emerging needed therapy against severe acute respiratory syndrome coronavirus-2.

ABSTRACT: Recently, the severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) was quickly identified as the causal pathogen leading to the outbreak of SARS-like illness all over the world. As the SARS-CoV-2 infection pandemic proceeds, many efforts are being dedicated to the development of diverse treatment strategies. Increasing evidence showed potential therapeutic agents directly acting against SARS-CoV-2 virus, such as interferon, RNA-dependent RNA polymerase inhibitors, protease inhibitors, viral entry blockers, neuraminidase inhibitor, vaccine, antibody agent targeting the SARS-CoV-2 RNA genome, natural killer cells, and nucleocytoplasmic trafficking inhibitor. To date, several direct anti-SARS-CoV-2 agents have demonstrated promising in vitro and clinical efficacy. This article reviews the current and future development of direct acting agents against SARS-CoV-2.

SUBMITTER: Wang SF

PROVIDER: S-EPMC7493775 | biostudies-literature | 2020 Aug

REPOSITORIES: biostudies-literature

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The pharmacological development of direct acting agents for emerging needed therapy against severe acute respiratory syndrome coronavirus-2.

Wang Sheng-Fan SF Chen Kuan-Hsuan KH Wang Szu-Yu SY Yarmishyn Aliaksandr A AA Lai Wei-Yi WY Lin Yi-Ying YY Wang Mong-Lien ML Chou Shih-Jie SJ Yang Yi-Ping YP Chang Yuh-Lih YL

Journal of the Chinese Medical Association : JCMA 20200801 8

Recently, the severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) was quickly identified as the causal pathogen leading to the outbreak of SARS-like illness all over the world. As the SARS-CoV-2 infection pandemic proceeds, many efforts are being dedicated to the development of diverse treatment strategies. Increasing evidence showed potential therapeutic agents directly acting against SARS-CoV-2 virus, such as interferon, RNA-dependent RNA polymerase inhibitors, protease inhibitors, vi ...[more]

PMID: 32433345

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Project description:BackgroundThe world has been suffering from the COVID-19 pandemic (officially declared by WHO in March 2020), caused by the severe acute respiratory β-coronavirus 2 (SARS-CoV-2) since the last week of December 2019. The disease was initially designated as a Public Health Emergency of International Concern on January 30, 2020. In order to protect the health of mass public, an array of research on drugs and vaccines against SARS-CoV-2 has been conducted globally. However, the emerging variants of SARS-CoV-2, i.e., Alpha (B.1.1.7), Beta (B.1.351), Gamma (P.1), and Delta (B.1.617.2) variants which evolved in late 2020 and the Omicron variant (B.1.1.529) which emerged in November 2021 along with its subvariant BA.2 which was first identified in India and South Africa in late December 2021, have raised the doubt about the efficiency of the currently used vaccines especially in terms of the consistent potential to produce neutralizing antibodies targeting the viral spike (S) protein.Main body of the abstractThe present review discussed the functional details of major vaccines regarding their efficiency against such variants during the pandemic. Overall, the mRNA vaccines have shown around 94% effectiveness; the adenovector vaccine showed approximately 70% efficacy, whereas Sputnik V vaccines showed around 92% effectiveness; the inactivated whole-virus vaccine CoronaVac/PiCoVacc and BBIBP-CorV showed a varying effectiveness of 65-86% according to the geographic locations; the subunit vaccine NVX-CoV2373 has shown 60-89% effectiveness along with the global regions against the wild-type SARS-CoV-2 strain. However, reduced effectiveness of these vaccines against the SARS-CoV-2 variants was noticed which is suggestive for the further administration of booster dose.Short conclusionMaximum variants of SARS-CoV-2 emerged during the second wave of COVID-19; and extensive studies on the viral genomic sequences from all geographical locations around the world have been conducted by an array of groups to assess the possible occurrence of mutations(s) specially within the receptor binding domain of the viral spike (S) protein. Mutational similarities and the new or critical mutations within all variants have been clearly identified so far. The study of effectiveness of the currently used vaccines is also ongoing. The persistence of memory B cell action and the other immune components as well as the administration of booster dose is expected to mitigate the disease.

Dataset Information

The pharmacological development of direct acting agents for emerging needed therapy against severe acute respiratory syndrome coronavirus-2.

Publications

The pharmacological development of direct acting agents for emerging needed therapy against severe acute respiratory syndrome coronavirus-2.

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