"Pfizer, based in New York City, announced that its antiviral drug Paxlovid cut hospitalizations by 89%.
Paxlovid acts by inhibiting an enzyme that’s needed to process some viral proteins into their final, functional form. But the drug is a combination of an antiviral and another drug, called ritonavir, which helps to prevent enzymes in the liver from breaking down the antiviral before it has a chance to disable the coronavirus. Ritonavir, a component of some HIV treatment cocktails, can affect how some other medications are metabolized by the body. A wide range of drugs should not be given with it, including some that are commonly used to treat heart conditions, suppress the immune system and reduce pain." [1]
1. Nature 599, 358-359 (2021)
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