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All Studies   Meta Analysis    Recent:   

Clinically Approved Antiviral Drug in an Orally Administrable Nanoparticle for COVID-19

Surnar et al., ACS Pharmacol. Transl. Sci., doi:10.1021/acsptsci.0c00179
Dec 2020  
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Ivermectin for COVID-19
4th treatment shown to reduce risk in August 2020
 
*, now known with p < 0.00000000001 from 102 studies, recognized in 22 countries.
No treatment is 100% effective. Protocols combine complementary and synergistic treatments. * >10% efficacy in meta analysis with ≥3 clinical studies.
4,000+ studies for 60+ treatments. c19ivm.org
In Vitro analysis of ivermectin with orally administrable nanoparticles showing efficacy for decreasing expression of the viral spike protein and ACE2. Inhibition of nuclear transport activities mediated through proteins such as importin α/β1 heterodimer are also considered as a possible mechanism of action. The technology may work for other coronaviruses as well.
Ivermectin, better known for antiparasitic activity, is a broad spectrum antiviral with activity against many viruses including H7N7 Götz, Dengue Jitobaom, Tay, Wagstaff, HIV-1 Wagstaff, Simian virus 40 Wagstaff (B), Zika Barrows, Jitobaom, Yang, West Nile Yang, Yellow Fever Mastrangelo, Varghese, Japanese encephalitis Mastrangelo, Chikungunya Varghese, Semliki Forest virus Varghese, Human papillomavirus Li, Epstein-Barr Li, BK Polyomavirus Bennett, and Sindbis virus Varghese.
Ivermectin inhibits importin-α/β-dependent nuclear import of viral proteins Götz, Kosyna, Wagstaff, Wagstaff (B), inhibits SARS-CoV-2 3CLpro Mody, shows spike-ACE2 disruption at 1nM with microfluidic diffusional sizing Fauquet, binds to glycan sites on the SARS-CoV-2 spike protein preventing interaction with blood and epithelial cells and inhibiting hemagglutination Boschi, Scheim, exhibits dose-dependent inhibition of lung injury Abd-Elmawla, Ma, may inhibit SARS-CoV-2 via IMPase inhibition Jitobaom, may inhibit SARS-CoV-2 induced formation of fibrin clots resistant to degradation Vottero, may inhibit SARS-CoV-2 RdRp activity Parvez (B), may be beneficial for COVID-19 ARDS by blocking GSDMD and NET formation Liu (C), shows protection against inflammation, cytokine storm, and mortality in an LPS mouse model sharing key pathological features of severe COVID-19 DiNicolantonio, Zhang, may be beneficial in severe COVID-19 by binding IGF1 to inhibit the promotion of inflammation, fibrosis, and cell proliferation that leads to lung damage Zhao, may minimize SARS-CoV-2 induced cardiac damage Liu, Liu (B), increases Bifidobacteria which play a key role in the immune system Hazan, has immunomodulatory Munson and anti-inflammatory DiNicolantonio (B), Yan properties, and has an extensive and very positive safety profile Descotes.
Surnar et al., 4 Dec 2020, peer-reviewed, 4 authors.
In Vitro studies are an important part of preclinical research, however results may be very different in vivo.
This PaperIvermectinAll
Clinically Approved Antiviral Drug in an Orally Administrable Nanoparticle for COVID-19
Bapurao Surnar, Mohammad Z Kamran, Anuj S Shah, Shanta Dhar
ACS Pharmacology & Translational Science, doi:10.1021/acsptsci.0c00179
There is urgent therapeutic need for COVID-19, a disease for which there are currently no widely effective approved treatments and the emergency use authorized drugs do not result in significant and widespread patient improvement. The food and drug administration-approved drug ivermectin has long been shown to be both antihelmintic agent and a potent inhibitor of viruses such as Yellow Fever Virus. In this study, we highlight the potential of ivermectin packaged in an orally administrable nanoparticle that could serve as a vehicle to deliver a more potent therapeutic antiviral dose and demonstrate its efficacy to decrease expression of viral spike protein and its receptor angiotensin-converting enzyme 2 (ACE2), both of which are keys to lowering disease transmission rates. We also report that the targeted nanoparticle delivered ivermectin is able to inhibit the nuclear transport activities mediated through proteins such as importin α/β1 heterodimer as a possible mechanism of action. This study sheds light on ivermectin-loaded, orally administrable, biodegradable nanoparticles to be a potential treatment option for the novel coronavirus through a multilevel inhibition. As both ACE2 targeting and the presence of spike protein are features shared among this class of virus, this platform technology has the potential to serve as a therapeutic tool not only for COVID-19 but for other coronavirus strains as well.
Notes The authors declare no competing financial interest. ■ ACKNOWLEDGMENTS This work was supported by the Sylvester Comprehensive Cancer Center, University of Miami Miller School of Medicine. We thank Shrita Sarkar for her help for the illustration of Figure 1 and Dr. Nagesh Kolishetti for helpful discussion.
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