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Merck to make new bid to enter US multiple sclerosis pill market

Merck to make new bid to enter US multiple sclerosis pill market

FRANKFURT: Germany’s Merck KGaA is reviving plans to bring an oral multiple sclerosis (MS) treatment to the U.S. market, hoping for blockbuster sales despite regulators’ concerns about side effects having frustrated its ambitions almost seven years ago.

In early 2011 the U.S. regulator’s concerns put an end to Merck’s development plans for the cladribine pill, now branded as Mavenclad, but Merck later revived efforts by focusing on the most severely affected patients and won approval in Europe in August this year.

Merck, whose products include high-tech chemicals, laboratory equipment, and cancer drugs, has now decided to also file for approval with the U.S. Food and Drug Administration during the second quarter of 2018, the head of its healthcare division, Belen Garijo, told Reuters.

“If Mavenclad is approved in the U.S., we see this opportunity as one of the significant growth drivers in our MS franchise and we would say that Mavenclad will in the longer term develop blockbuster potential,” she said.

The industry term blockbuster typically implies annual sales of at least $1 billion, but Garijo would not elaborate on figures.

Mavenclad, alongside cancer immunotherapy treatment Bavencio, is a central part of Merck’s push to reinvigorate its drug development business after years of setbacks.

The diversified group is also working on the sale of its consumer healthcare unit to focus on the development of new drugs.

Merck said in September it was eyeing annual sales in the European Union for Mavenclad, a late-comer to the market for oral treatments against the neurological disease, of 500-700 million euros ($823 million).

The targeted patient group is characterized by highly active relapsing MS. Among the relapsing-remitting type of MS, they account for the roughly 60 percent of patients most severely affected by neurological damage and disability.

“Our aspiration is to be able to serve the same patient group that is now benefiting under the European registration. But of course, the label will have to be approved by the FDA,” the Merck executive said.

Biogen, Novartis, and Sanofi have long pulled ahead with novel MS treatments taken as a pill, gradually replacing standard injection therapies and reaching a combined share of the overall MS market of more than 40 percent.

If approved in the United States Mavenclad will also be up against Roche’s Ocrevus, an infusion drug that has had U.S. approval since March and which analysts expect to generate $1.5 billion in sales already next year.

But Garijo said Ocrevus was targeted mainly at primary progressive MS, which Mavenclad was not developed for treating.

(Reporting by Ludwig Burger; Editing by Emma Thomasson, Greg Mahlich)

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