FDA green lights Shionogi's Xofluza

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FDA green lights Shionogi's Xofluza

By Sandra Levy - 10/26/2018
The Food and Drug Administration approved Shionogi's Xofluza (baloxavir marboxil) for the treatment of acute uncomplicated influenza in patients age 12 years old and older who have been symptomatic for no more than 48 hours.

“This is the first new antiviral flu treatment with a novel mechanism of action approved by the FDA in nearly 20 years,”Scott Gottlieb, the Food and Drug Administration's commissioner, said. “With thousands of people getting the flu every year, and many people becoming seriously ill, having safe and effective treatment alternatives is critical. This novel drug provides an important, additional treatment option.”

Flu is a contagious respiratory illness caused by influenza viruses. When patients with the flu are treated within 48 hours of becoming sick, antiviral drugs can reduce symptoms and duration of the illness.

“While there are several FDA-approved antiviral drugs to treat flu, they’re not a substitute for yearly vaccination,” Gottlieb said. “Flu season is already well underway, and the U.S. Centers for Disease Control and Prevention recommends getting vaccinated by the end of October, as seasonal flu vaccine is one of the most effective and safest ways to protect yourself, your family and your community from the flu and serious flu-related complications, which can result in hospitalizations. Yearly vaccination is the primary means of preventing and controlling flu outbreaks.”

Xofluza was granted Priority Review under which the FDA’s goal is to take action on an application within an expedited time frame where the agency determines that the drug, if approved, would significantly improve the safety or effectiveness of treating, diagnosing or preventing a serious condition.

“When treatment is started within 48 hours of becoming sick with flu symptoms, antiviral drugs can lessen symptoms and shorten the time patients feel sick,” Debra Birnkrant, director of the division of antiviral products of FDA’s Center for Drug Evaluation and Research, said. “Having more treatment options that work in different ways to attack the virus is important because flu viruses can become resistant to antiviral drugs.”

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