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Not Open Access | Screening Malaria-box compounds to identify potential inhibitors against SARS-CoV-2 M(pro), using molecular docking and dynamics simulation studies

January 7, 2021 - 10:07 -- NOT Open Access
Ahamad S, Kanipakam H, Birla S, Ali MS, Gupta D
Eur J Pharmacol. 2021 Jan 5;890:173664

Severe Acute Respiratory Syndrome CoronaVirus 2 (SARS-CoV-2) Main protease (Mpro) is one of the vital drug targets amongst all the coronaviruses, as the protein is indispensable for virus replication. The study aimed to identify promising lead molecules against Mpro enzyme through virtual screening of Malaria Venture (MMV) Malaria Box (MB) comprising of 400 experimentally proven compounds.

Co-infection of malaria and early clearance of SARS-CoV-2 in healthcare workers

December 30, 2020 - 13:39 -- Open Access
Mahajan NN, Gajbhiye R, Bahirat S, Lokhande PD, Mathe A, Rathi S, Warty N, Mahajan K, Srivastava V, Kuppusamy P, Mohite SC
J Med Virol. 2020 Dec 24

Healthcare workers (HCWs) are at higher risk of contracting SARS‐CoV‐2 infection. Information regarding co‐infection of SARS‐CoV‐2 with vector‐borne diseases (malaria and dengue) is crucial especially for the countries wherein malaria and dengue are endemic. The objective was to study the prevalence, demographic, clinical presentations among HCWs with COVID‐19 and to compare the viral clearance in HCWs with COVID‐19 and co‐infection of malaria and dengue.

Tutankhamun's Antimalarial Drug for Covid-19

November 4, 2020 - 10:28 -- Open Access
Sommer AP, Försterling HD, Sommer KE
Drug Res (Stuttg). 2020 Oct 30

Drug repositioning is a strategy that identifies new uses of approved drugs to treat conditions different from their original purpose. Current efforts to treat Covid-19 are based on this strategy. The first drugs used in patients infected with SARS-CoV-2 were antimalarial drugs. It is their mechanism of action, i. e., rise in endosomal pH, which recommends them against the new coronavirus.

Hydroxychloroquine prophylaxis and treatment is ineffective in macaque and hamster SARS-CoV-2 disease models

October 27, 2020 - 15:46 -- Open Access
Rosenke K, Jarvis MA, Feldmann H, et al.
JCI Insight. 2020 Oct 22:143174

We remain largely without effective prophylactic/therapeutic interventions for COVID-19. Although many human COVID-19 clinical trials are ongoing, there remains a deficiency of supportive preclinical drug efficacy studies to help guide decisions. Here we assessed the prophylactic/therapeutic efficacy of hydroxychloroquine (HCQ), a drug of interest for COVID-19 management, in two animal disease models.

Antimalarial drugs inhibit the replication of SARS-CoV-2: an in vitro evaluation

September 15, 2020 - 14:26 -- Open Access
Gendrot M, Andreani J, Pradines B, et al.
Travel Med Infect Dis. 2020 Sep 8:101873

In December 2019, a new severe acute respiratory syndrome coronavirus (SARS-CoV-2) causing coronavirus diseases 2019 (COVID-19) emerged in Wuhan, China. African countries see slower dynamic of COVID-19 cases and deaths. One of the assumptions that may explain this later emergence in Africa, and more particularly in malaria endemic areas, would be the use of antimalarial drugs.

Antimalarial artemisinin-based combination therapies (ACT) and COVID-19 in Africa: In vitro inhibition of SARS-CoV-2 replication by mefloquine-artesunate

August 19, 2020 - 09:15 -- Open Access
Gendrot M, Duflot I, Boxberger M, Delandre O, Jardot P, Le Bideau M, Andreani J, Fonta I, Mosnier J, Rolland C, Hutter S, La Scola B, Pradines B
Int J Infect Dis. 2020 Aug 14:S1201-9712(20)30661-5

At the end of November 2019, a novel coronavirus responsible for respiratory tract infections (COVID-19) emerged in China. Despite drastic containment measures, this virus, known as severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), spread in Asia and Europe. The pandemic is ongoing with particular hotspot in Southern Europe and America. Many studies predicted a similar epidemic in Africa as that currently seen in Europe and the United States of America. However, reported data do not confirm these predictions. One of the hypotheses that could explain the later emergence and spread of COVID-19 pandemic in African countries is the use of antimalarial drugs to treat malaria, and more particularly artemisinin-based combination therapy (ACT).

Chloroquine does not inhibit infection of human lung cells with SARS-CoV-2

July 26, 2020 - 13:28 -- Open Access
Hoffmann M, Mösbauer K, Hofmann-Winkler H, Kaul A, Kleine-Weber H, Krüger N, Gassen NC, Müller MA, Drosten C, Pöhlmann S
Nature. 2020 Jul 22

The COVID-19 pandemic, which is caused by the novel coronavirus SARS-CoV-2, has been associated with more than 470,000 fatal cases worldwide. In order to develop antiviral interventions quickly, drugs used for treatment of unrelated diseases are currently being repurposed to combat COVID-19. Chloroquine is a anti-malaria drug that is frequently employed for COVID-19 treatment since it inhibits SARS-CoV-2 spread in the kidney-derived cell line Vero1-3.

A pharmacological perspective of Chloroquine in SARS-CoV-2 infection

July 7, 2020 - 13:43 -- Open Access
Oscanoa TJ, Romero-Ortuno R, Carvajal A, Savarino A
Int J Antimicrob Agents. 2020 Jul 3:106078

The pandemic caused by the Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) is having serious consequences on health and the economy worldwide. All evidence-based treatment strategies need to be considered to combat this new virus. Drugs need to be considered on scientific grounds of efficacy, safety and cost. Chloroquine (CQ) and hydroxychloroquine (HCQ) are old drugs used in the treatment of malaria; in addition, their antiviral properties have been previously studied, including in coronaviruses, where evidence of efficacy has been found.

The endosomal lipid bis(monoacylglycero) phosphate as a potential key player in the mechanism of action of chloroquine against SARS-COV-2 and other enveloped viruses hijacking the endocytic pathway

June 3, 2020 - 07:15 -- Open Access
Carrière F, Longhi S, Record M
Biochimie. 2020 May 30:S0300-9084(20)30129-2

The anti-malarial drug Chloroquine (CQ) and its derivative hydroxychloroquine have shown antiviral activities in vitro against many viruses, including coronaviruses, dengue virus and the biosafety level 4 Nipah and Hendra paramyxoviruses. The in vivo efficacy of CQ in the treatment of COVID-19 is currently a matter of debate. CQ is a lysosomotrophic compound that accumulates in lysosomes, as well as in food vacuoles of Plasmodium falciparum. In the treatment of malaria, CQ impairs the digestion and growth of the parasite by increasing the pH of the food vacuole.

Malaria and Parasitic Neglected Tropical Diseases: Potential Syndemics with COVID-19

June 3, 2020 - 06:50 -- Open Access
Gutman JR, Lucchi NW, Cantey PT, Steinhardt LC, Samuels AM, Kamb ML, Kapella BK, McElroy PD, Udhayakumar V, Lindblade KA
Am J Trop Med Hyg. 2020 Jun 1

The COVID-19 pandemic, caused by SARS-CoV-2, have surpassed 5 million cases globally. Current models suggest that low- and middle-income countries (LMICs) will have a similar incidence but substantially lower mortality rate than high-income countries. However, malaria and neglected tropical diseases (NTDs) are prevalent in LMICs, and coinfections are likely.


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