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Thursday, Feb 02, 2023

US Health Regulator Authorizes Pfizer's Covid Pill

US Health Regulator Authorizes Pfizer's Covid Pill

Pfizer's treatment, called Paxlovid, is a combination of two pills taken over five days that was shown in a clinical trial of 2,200 people to be safe and reduced the risk of hospitalizations and deaths among at-risk people by 88 percent.

The United States on Wednesday authorized Pfizer's anti-Covid pill for high-risk people aged 12 and up, as a surge of cases driven by the highly infectious Omicron variant threatened holiday plans and Americans struggled to find tests.

Paxlovid, which comprises two types of tablet, was granted an emergency use authorization by the Food and Drug Administration (FDA) after it was shown in a clinical trial to reduce the risk of hospitalizations and deaths among at-risk people by 88 percent.

"Today's action is a testament to the power of science and the result of American innovation and ingenuity," President Joe Biden said in a statement, promising to invoke a law that would help Pfizer ramp up production quickly.

The US has spent $5.3 billion procuring 10 million courses of the treatment, with the first 265,000 to be delivered in January, and the rest by late summer, White House Covid coordinator Jeff Zients told reporters on a call.

The FDA stressed the treatment should complement rather than replace vaccines, which remain the frontline tool against the coronavirus.

But pills that are available at pharmacies should be much easier to access than synthetic antibody treatments, which require infusions administered by drip at hospitals or specialized centers.

The European Union's drug regulator last week allowed member states to use Pfizer's Covid treatment ahead of formal approval, as an emergency measure to curb an Omicron-fueled wave.

The authorization comes as cases are surging across the United States, driven by Omicron, the most infectious variant seen to date -- and testing remains a challenge, with long lines reminiscent of the early part of the pandemic seen across US cities.

Companies including Amazon, Walgreens and CVS have capped how many home tests customers can buy. The Biden administration has promised to ship half a billion of the tests starting from next month, but experts have said that figure is too little and too late.

Not a 'failure'


Biden defended his administration's efforts during an interview with ABC.

"No, I don't think it's a failure" that there aren't enough tests on shelves, the president told the news channel.

He has previously repeated that the country is "ready" to handle a potential rise in hospitalizations and that those who are vaccinated need not "panic."

Health authorities have said Americans should avoid large holiday gatherings and only get together in small numbers with people who are vaccinated.

Biden sought to reassure Americans, saying on ABC: "If you are tested, if you know where you are in terms of having gotten the shots, there's no reason why you can't get together with your family and your friends."

But two of his steps to combat the pandemic -- a nationwide vaccine requirement for large employers and a vaccine mandate for health care workers -- will be put to the test, as the US Supreme Court announced Wednesday it will hold a special hearing on January 7 to consider challenges to those policies.

Every day, about 150,000 Americans are getting infected, 7,800 are being hospitalized and 1,200 are dying, according to the latest Centers for Disease Control and Prevention (CDC) data.

The highly mutated Omicron variant accounts for 90 percent of all cases in some US regions, CDC director Rochelle Walensky told reporters.

Omicron is better able to bypass prior immunity, and health authorities are urging the public to get boosted with mRNA vaccines in order to restore a higher degree of protection.

Unlike vaccines, the Pfizer Covid pill does not target the ever-evolving spike protein of the coronavirus, which it uses to invade cells. It should therefore in theory be more variant-proof, and the company has said preliminary lab studies have backed up that hypothesis.

Paxlovid is a combination of a new molecule, nirmatrelvir, and HIV antiviral ritonavir, that are taken as separate tablets.

Nirmatrelvir blocks the action of an enzyme the virus needs to replicate, while ritonavir slows down nirmatrelvir's breakdown so it remains in the body for longer and at higher levels.

Synthetic antibody treatments developed by Eli Lilly and Regeneron are not effective against Omicron, top scientist Anthony Fauci told reporters, but an antibody treatment by GlaxoSmithKline (GSK) and a prophylactic antibody drug by AstraZeneca remain protective.

The US has bought a million courses of the GSK treatment, with 300,000 expected ready by January, and half a million doses of the AstraZeneca drug, which can be given preventatively to immune-compromised people who don't respond as well to vaccines.

Comments

Oh ya 1 year ago
You can also look for the other drug that has been tested Billions of times called ivermectin. It is over the counter and dirt cheap. Because this pfizermectin will be expensive so the drug companies can continue to make huge profits while you are the lab rat for there new drug just like the experimental biological agent that they call a vaccine that stupid people have been injecting themselves with. But hey your choice

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