U.S. FDA approves Sanofi's bleeding disorder therapy

February 24, 2023 10:53 AM AEDT | By Reuters
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By Sriparna Roy and Khushi Mandowara

(Reuters) - U.S. health regulators have approved Sanofi SA's therapy to treat a type of inherited bleeding disorder known as hemophilia A, the French drugmaker said on Thursday, and expects to launch it in the United States in April.

With the Food and Drug Administration's approval, Sanofi's replacement therapy – brand named Altuviiio – enters a market dominated by rivals like Shire, Bayer AG and Novo Nordisk which sell factor replacement therapies that have been the standard treatment for decades.

Factor replacement therapies replace the missing blood clotting factor so that blood can clot properly by injecting treatment products into a person's vein.

Sanofi's drug is likely to be considered one of the best in that class, said Damien Conover, Morningstar analyst, ahead of the approval.

"We see a 2.3 billion euros of peak sales globally." said Barclays analyst Emily Field.

The average annual cost of existing clotting factor therapies is roughly $300,000, and at least two analysts ahead of the approval estimated the price of Sanofi's drug to be slightly at a premium to the traditional factor therapies.

Sanofi, which developed the drug in collaboration with Swedish drugmaker Sobi, said "it will price Altuviiio at parity to the annual cost of treating a prophylaxis patient on Eloctate (Biogen Idec's hemophilia A drug)."

The FDA approval also provides patients an alternative to Roche's blockbuster drug, Hemlibra, which is the market leader for this indication.

"I think that most doctors are thinking that, at least in the first couple of years of the launch Altuviiio would only take share from the other factor therapies and not from Hemlibra," said Field.

Hemophilia A is a genetic disorder caused by missing or defective factor VIII, a clotting protein.

(Reporting by Sriparna Roy and Khushi Mandowara in Bengaluru; Editing by Shinjini Ganguli and Shailesh Kuber)


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