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FDA advisory panel supports approval of Sanofi MS drug Lemtrada
November 13, 2013 / 9:41 PM / 4 years ago

FDA advisory panel supports approval of Sanofi MS drug Lemtrada

SILVER SPRING, Nov 13 (Reuters) - Safety problems associated with Sanofi SA’s experimental multiple sclerosis drug Lemtrada should not preclude approval of the drug, though it should be restricted to patients who have failed other therapies, an advisory panel to the U.S. Food and Drug Administration said on Wednesday.

The panel voted 14 to 0, with one abstention, that the drug should be approved.

“The risks are very substantial, but this is a really bad disease,” said Dr. Paul Rosenberg of Johns Hopkins University School of Medicine.

The panel’s recommendation follows an initial report by reviewers for the FDA, who questioned whether the way the clinical trials of Lemtrada were conducted biased the results in favor of the drug.

The reviewers also raised grave concerns about the drug’s potential to cause an array of autoimmune conditions, in which the body mistakenly attacks its own cells, as well as its potential to cause thyroid, skin and breast cancer.

Multiple sclerosis is a chronic disease in which the body’s own immune system attacks the myelin sheaths that protect nerve fibers in the brain, spinal cord and optic nerves. It can cause a range of symptoms, including muscle weakness, speech and visual disturbances, pain and cognitive difficulties.

Reporting by Deborah Zabarenko; Editing by Leslie Adler

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