synairgen interferon nebuliser5 Oct 2020 10:30
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For example, if your family member was diagnosed with a viral infection, you could potentially treat the rest of the family members with prophylactic IFN, and healthcare workers or people who are exposed to high-dose virus on a daily basis
Topol: A paper just came out in Nature Reviews Immunology that reviewed four small ongoing trials and that multicenter study from China. All of them look quite promising. If you were to predict the future, do you envision that we all could have an inhaler with an IFN that we would take at first diagnosis or exposure? Do you think that's a possibility?
Iwasaki: As long as we can give the right dose without toxicity, that may be the future, especially in a preventive setting. For example, if your family member was diagnosed with a viral infection, you could potentially treat the rest of the family members with prophylactic IFN, and healthcare workers or people who are exposed to high-dose virus on a daily basis. That's what happened in China; they gave an inhaled IFN to healthcare workers and none of them were infected. So this may be a good thing to do in the future
Dr Foxman said this response - the interferon response is known to work against Covid-19.
She added: "If you do the experiment in a lab, you can apply this chemical - interferon - to cells, then you can block the virus that causes Covid-19 as well.
"So it's possible that we'll see the same thing, but we're just beginning to do the experiments.
"Sometimes you see unexpected things happening so you have to just do the experiment and see what the result is and that that's just a work in progress at the moment."
She added that interferon-based immunity lasted up to two weeks, but highlighted that it did not prevent infection forever.
Dr Foxman explained it may provide a "temporary buffer against getting another virus" while the body is all "revved up" to fight it.