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Author Topic: COVID-19 Useful Links for Information  (Read 3019 times)
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Chandrasekhi

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« Reply #45 on: May 21, 2020, 12:40:49 AM »

Vaccine trials
https://businesstech.co.z...ca-as-deaths-rise-to-339/
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Chandrasekhi

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« Reply #46 on: May 23, 2020, 09:36:14 PM »

Editorial: Nicotine and SARS-CoV-2: COVID-19 may be a disease of the nicotinic cholinergic system
https://www.sciencedirect...302924?via%3Dihub#sec0030
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6. Nicotine as a potential treatment for COVID-19

Nicotine could act as a competitive agonist for the nAChRs that could restore the compromised function of the nicotinic cholinergic system. This may be feasible through repurposing already approved (for other indications) pharmaceutical nicotine products such as nicotine patches for use by non-smokers, or even by using these products as already indicated (i.e. as smoking substitutes) among current smokers. These products are available over-the-counter in most countries. They have been administered therapeutically in non-smokers for neurological conditions and inflammatory bowel disease for larger periods than would be needed for COVID-19 [[81], [82], [83]]. No abuse liability was observed in non-smokers despite being administerd for several weeks [82,83]. Besides gums and patches, nicotine can be administered though inhalation, with the use of a nebulizer or other aerosol systems, if necessary. Nicotine administration could be added on top of antiviral or other therapeutic options for COVID-19. By restoring and re-activating the cholinergic anti-inflammatory pathway, a more universal suppression of the cytokine storm could probably be achieved compared to administering inhibitors of a single cytokine. The potential need to provide pharmaceutical nicotine products to smokers and users of other nicotine products who experience abrupt withdrawal symptoms of nicotine when hospitalized for COVID-19 or aim to follow medical advice to quit smoking, should also be examined. Additionally, if the hypothesis about the beneficial effects of nicotine is valid, smokers who quit nicotine use when hospitalized will be deprived from these benefits. In France, the Addiction Prevention Network (RESPADD) officially recommends the use of nicotine replacement therapies for smokers when hospitalized for any illness [84]. Clinical trials will dictate future approaches and the role of nicotine in COVID-19, while further experimental studies should examine the affinity of the virus to nAChRs.

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