Tags: Pfizer | Fights | Extend | Viagra | Exclusivity

Pfizer Fights to Extend Blockbuster Viagra's Exclusivity

Monday, 13 Jun 2011 10:26 AM

Pfizer's erectile dysfunction pill Viagra is set to face generic competition next year, although the pharmaceutical giant is fighting to extend the blockbuster's patent until 2019, The Wall Street Journal reports.

The company is in court to defend plans for a second patent, fighting to prevent Teva Pharmaceutical Industries from selling a generic version of the drug after the current patent expires in 2012.

Viagra brings in $1 billion in annual U.S. sales for Pfizer, and extending the patent could boost earnings by 3 percent a year from 2013 to 2018, according to Leerink Swann, a healthcare investment bank.
Analysts are optimistic.

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(Getty Images photo)
"There is a very good chance that the drug would be patent-protected," until 2019, Seamus Fernandez, an analyst with Leerink Swann, tells the Journal.

If Pfizer wins, "it's pretty likely they're going to keep several hundred million dollars of sales and profits."

Later this year, Pfizer will lose exclusivity on its anti-cholesterol drug Lipitor, and an extended patent on Viagra would keep revenue healthier.

If Pfizer loses, Teva could see a 2 percent boost to its 2012 earnings, Leerink Swann estimates.

Pfizer, meanwhile, is battling issues with a poultry drug as well.

The company has agreed to suspend U.S. sales of a its 3-Nitro drug after a study found the drug increased levels of a carcinogen in chickens, health officials say, according to Reuters.

"The levels we detected were very low, but the fact that they represent an added source of human exposure to a carcinogen, and a source that's avoidable, led the FDA to take action," says Bill Flynn, deputy director for science policy at FDA's Center for Veterinary Medicine, Reuters reports.

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Pfizer's erectile dysfunction pill Viagra is set to face generic competition next year, although the pharmaceutical giant is fighting to extend the blockbuster's patent until 2019, The Wall Street Journal reports. The company is in court to defend plans for a second...
Pfizer,Fights,Extend,Viagra,Exclusivity
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2011-26-13
Monday, 13 Jun 2011 10:26 AM
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