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Remdesivir: Review of Pharmacology, Pre-clinical Data, and Emerging Clinical Experience for COVID-19.

ABSTRACT: The global pandemic of novel coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has created an urgent need for effective antivirals. Remdesivir (formerly GS-5734) is a nucleoside analogue pro-drug currently being evaluated in COVID-19 clinical trials. Its unique structural features allow high concentrations of the active triphosphate metabolite to be delivered intracellularly and it evades proofreading to successfully inhibit viral RNA synthesis. In pre-clinical models, remdesivir has demonstrated potent antiviral activity against diverse human and zoonotic β-coronaviruses, including SARS-CoV-2. In this article, we critically review available data on remdesivir with an emphasis on biochemistry, pharmacology, pharmacokinetics, and in vitro activity against coronaviruses as well as clinical experience and current progress in COVID-19 clinical trials.

SUBMITTER: Jorgensen SCJ

PROVIDER: S-EPMC7283864 | biostudies-literature | 2020 Jul

REPOSITORIES: biostudies-literature

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Remdesivir: Review of Pharmacology, Pre-clinical Data, and Emerging Clinical Experience for COVID-19.

Jorgensen Sarah C J SCJ Kebriaei Razieh R Dresser Linda D LD

Pharmacotherapy 20200628 7

The global pandemic of novel coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has created an urgent need for effective antivirals. Remdesivir (formerly GS-5734) is a nucleoside analogue pro-drug currently being evaluated in COVID-19 clinical trials. Its unique structural features allow high concentrations of the active triphosphate metabolite to be delivered intracellularly and it evades proofreading to successfully inhibit viral RNA synt ...[more]

PMID: 32446287

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Remdesivir in COVID-19: A critical review of pharmacology, pre-clinical and clinical studies.

Project description:Background & aimsRemdesivir is a broad spectrum anti-viral drug that has shown to inhibit SARS-CoV-2, in vitro and in vivo. In absence of any effective treatment for SARS-CoV-2 infection (COVID-19), remdesivir has been tried for a compassionate use in severe COVID-19. Newer randomized controlled studies that have recently become available, showed a mixed result. We aimed to systematically search the literature to understand the pharmacology and clinical effects of remdesivir in patients with COVID-19.MethodsWe systematically searched the PubMed, ClinicalTrial.Org and MedRxiv database up till May 5, 2020 using specific key words such as "Remdesivir" or 'GS-5734″ AND "COVID-19" or "SARS-CoV-2" and retrieved all the article published in English language, that have reported the pharmacology and the clinical outcomes of remdesivir in patients with COVID-19.ResultsInitial compassionate use of remdesivir has shown a fairly good result, but difficult to quantify, in the absence of control arm. While the very first double-blind, placebo-controlled, randomized trial conducted in Wuhan, did not find any significant benefit compared to the control, the preliminary result of another similar multi-country trial has shown a significant faster time to recovery but without any difference in mortality.ConclusionsRemdesivir has shown a mixed result in patients with COVID-19 with an acceptable side effect. However, jury is still out while awaiting the results from the forthcoming trials.

| S-EPMC7214279 | biostudies-literature

Baricitinib: A Review of Pharmacology, Safety, and Emerging Clinical Experience in COVID-19.

Project description:A hyperinflammatory response to severe acute respiratory syndrome-coronavirus 2 (SARS-CoV-2) infection, reminiscent of cytokine release syndrome, has been implicated in the pathophysiology of acute respiratory distress syndrome and organ damage in patients with coronavirus disease 2019 (COVID-19). Agents that inhibit components of the pro-inflammatory cascade have garnered interest as potential treatment options with hopes that dampening the proinflammatory process may improve clinical outcomes. Baricitinib is a reversible Janus-associated kinase (JAK)-inhibitor that interrupts the signaling of multiple cytokines implicated in COVID-19 immunopathology. It may also have antiviral effects by targeting host factors that viruses rely for cell entry and by suppressing type I interferon driven angiotensin-converting-enzyme-2 upregulation. However, baricitinib's immunosuppressive effects may be detrimental during acute viral infections by delaying viral clearance and increasing vulnerability to secondary opportunistic infections. The lack of reliable biomarkers to monitor patients' immune status as illness evolves complicates deployment of immunosuppressive drugs like baricitinib. Furthermore, baricitinib carries the risk of increased thromboembolic events, which is concerning given the proclivity towards a hypercoagulable state in patients with COVID-19. In this article, we review available data on baricitinib with an emphasis on immunosuppressive and antiviral pharmacology, pharmacokinetics, safety, and current progress in COVID-19 clinical trials.

| S-EPMC7323235 | biostudies-literature

Efficacy of Remdesivir-Containing Therapy in Hospitalized COVID-19 Patients: A Prospective Clinical Experience.

Project description:Remdesivir is currently approved for the treatment of COVID-19. The recommendation for using remdesivir in patients with COVID-19 was based on the in vitro and in vivo activity of this drug against SARS-CoV-2. This was a prospective observational study conducted on a population of patients hospitalized for COVID-19. The primary endpoint of this study was the impact of remdesivir-containing therapy on 30-day mortality; the secondary endpoint was the impact of remdesivir-containing therapy on the need for high-flow oxygen therapy (HFNC), non-invasive ventilation (NIV), or mechanical ventilation. The data were analyzed after propensity score matching. A total of 407 patients with SARS-CoV-2 pneumonia were consecutively enrolled. Out of these, 294 (72.2%) were treated with remdesivir and 113 (27.8%) were not. Overall, 61 patients (14.9%) were treated during hospitalization with HFNC, NIV, or mechanical ventilation, while 30-day mortality was observed in 21 patients (5.2%). Univariate analysis of patients treated with remdesivir or not showed no differences in 30-day mortality (4% vs. 6%, p = 0.411) in the two study groups. Cox regression analysis, after propensity score matching, showed that therapies, including remdesivir-containing therapy, were not statistically associated with 30-day survival or mortality. The Kaplan-Meier curves of 30-day survival in patients treated with remdesivir or not before (p = 0.24) and after (p = 0.88) propensity score matching showed no differences between the two study groups. Finally, patients treated with remdesivir or not showed the same need for HFNC/NIV or mechanical ventilation. This real-life experience of remdesivir use in hospitalized patients with COVID-19 was not associated with significant increases in rates of survival or reduced use of HFNC/NIV or mechanical ventilation compared with patients treated with other therapies not including remdesivir.

| S-EPMC8432083 | biostudies-literature

Remdesivir: A Review in COVID-19.

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| S-EPMC10474216 | biostudies-literature

Remdesivir: Critical Clinical Appraisal for COVID 19 Treatment.

Project description:Remdesivir is presently been considered as 'molecule of hope' to curb the menace of COVID19. Non-availability of any USFDA approved drug has led to several attempt of drug-repurposing and development of new therapeutic molecules. However, Remdesivir has been found to be effective against a broad range of virus including SARS, MERS and COVID 19 through in-vitro studies. Several clinical research attempt are presently being conducted showing promising result yet not conclusive. This review summarized all such clinical trials to critically appraise the usage of Remdesivir against COVID 19 along with the publications related to the results of the clinical studies. The present regulatory aspect i. e. Emergency Use Authorization (EYA) and information of molecule and plausible mechanism is also dealt.

| S-EPMC8043717 | biostudies-literature

Remdesivir in treating hospitalized patients with COVID-19: A renewed review of clinical trials.

Project description:Since December 2019, COVID-19 has spread across the world almost through 2.5 years. As of 16 June 2022, the cumulative number of confirmed cases of COVID-19 worldwide has reached 542.62 million, and the death toll has risen to 6.33 million. With the increasing number of deaths, it is urgent to find effective treatment drugs. Remdesivir, an investigational broad-spectrum antiviral drug produced by Gilead has been shown to inhibit SARS-CoV-2, in vitro and in vivo. This review is aimed to analyze the feasibility of remdesivir in COVID-19 and put forward the shortcomings of present clinical studies. We systematically searched PubMed and Web of Science up until 24 May 2022, using several specific terms such as "remdesivir" or "GS-5734" and "COVID-19" or "SARS-CoV-2" and retrieved basic researches and clinical studies of remdesivir in COVID-19. In this review, we summarized and reviewed the mechanism of remdesivir in SARS-COV-2, clinical trials of using remdesivir in COVID-19, analyzed the efficacy and safety of remdesivir, and judged whether the drug was effective for the treatment of COVID-19. In different clinical trials, remdesivir showed a mixed result in the treatment of COVID-19. It seemed that remdesivir shortened the time to recovery and had an acceptable safety profile. However, more clinical trials are needed to test the efficacy and safety of remdesivir.

| S-EPMC9493488 | biostudies-literature

Remdesivir and COVID-19.

Project description: Not available

| S-EPMC7529377 | biostudies-literature

Remdesivir-associated bradycardia in COVID-19: a rapid review protocol.

Project description:IntroductionRemdesivir is an antiviral medication that is used in the treatment of severe COVID-19. Research has highlighted the potential cardiac side effects of remdesivir, including the occurrence of remdesivir-associated bradycardia (RAB), but these findings have not been consistent. In addition, very little is known about the clinical implications and outcomes of RAB. The aim of this rapid systematic review is to determine the event rate of developing bradycardia while receiving remdesivir treatment compared with not receiving remdesivir in patients diagnosed with COVID-19.Methods and analysisThis study follows the Preferred Reporting Items for Systematic Review and Meta-Analysis Protocol guidelines and will include original papers related to COVID-19, remdesivir and bradycardia. Only English language papers published from 1 December 2019 to 31 December 2022 will be included. The following databases will be searched using keywords and controlled vocabulary: Ovid MEDLINE, Ovid EMBASE, Scopus, Cochrane, PubMed and Web of Science. Two reviewers will independently perform screening and data abstraction. Data will be synthesised qualitatively as well as quantitatively. A random-effects model will be used to calculate the pooled estimates.Ethics and disseminationThis review will systematically analyse the clinical studies available to help better characterise RAB. The results will support a retrospective study investigating RAB that is currently being conducted at the University Medical Center of Southern Nevada in Las Vegas, Nevada.Prospero registration numberThis protocol has been submitted to and approved by PROSPERO (Protocol ID: CRD42022331614).

| S-EPMC10254952 | biostudies-literature

Hospital at home treatment with remdesivir for patients with COVID-19: real-life experience.

Project description:ObjectivesAccess and appropriateness of therapeutics for COVID-19 vary because of access or regulatory barriers, the severity of the disease, and for some therapies, the stage of the pandemic and circulating variants. Remdesivir has shown benefits in clinical recovery and is the treatment of choice for selected patients, both hospitalized and nonhospitalized, in main international guidelines. The use of remdesivir in alternatives to conventional hospitalization such as hospital at home (HaH) units remains incompletely explored. In this study, we aim to describe the real-life experience of outpatient remdesivir infusion for COVID-19 in a HaH unit.MethodsWe selected all the consecutive patients receiving remdesivir from a prospective cohort of 507 COVID-19 patients admitted at a HaH unit. Admission criteria included COVID-19 with a fraction of inspired oxygen requirement under 0.35 and respiratory rate under 22 rpm. Patients were daily assessed in person by a nurse and a physician.ResultsA total of 236 patients admitted at the HaH unit received remdesivir, 172 of whom were treated at home. Only 2% presented any adverse event related to the infusion, all of them mild. HaH saved 1416 day-beds, with only 5% of the patients requiring transfer back to the hospital.ConclusionRemdesivir infusion in HaH units seems to be a safe and efficient alternative to conventional hospitalization for treating patients with nonsevere COVID-19.

| S-EPMC9744477 | biostudies-literature

Clinical outcomes of remdesivir-treated COVID-19 patients in South Korea.

Project description:ObjectivesThis study analyzed the clinical outcomes of remdesivir treatment in coronavirus disease 2019 (COVID-19) patients in South Korea.MethodsThis retrospective cohort study involved the secondary analysis of epidemiological data. Among patients diagnosed with COVID-19 from July 2, 2020 to March 23, 2021 (12 AM), 4,868 who received oxygen therapy and were released from isolation after receiving remdesivir treatment were assigned to the treatment group, and 6,068 patients who received oxygen therapy but not remdesivir were assigned to the untreated group. The study subjects included children under the age of 19. The general characteristics and severity were compared between the groups. Differences in the time to death and mortality were also compared.ResultsIn the untreated group, the hazard ratio [HR] for mortality was 1.59 among patients aged ≥70 years and 2.32 in patients with severe disease in comparison to the treatment group. In a comparison of survival time among patients with severe disease aged ≥70 years, the HR for mortality before 50 days was 2.09 in the untreated group compared to the treatment group.ConclusionPatients with remdesivir treatment showed better clinical outcomes in this study, but these results should be interpreted with caution since this study was not a fully controlled clinical trial.

| S-EPMC9633264 | biostudies-literature

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