Le Lézard
Classified in: Health, Science and technology
Subject: FDA

FDA approves new oral drug to treat multiple sclerosis


SILVER SPRING, Md., March 26, 2019 /PRNewswire/ -- The U.S. Food and Drug Administration today approved Mayzent (siponimod) tablets to treat adults with relapsing forms of multiple sclerosis (MS), to include clinically isolated syndrome, relapsing-remitting disease, and active secondary progressive disease.

U.S. Food and Drug Administration (FDA) logo (PRNewsfoto/FDA)

"Multiple sclerosis can have a profound impact on a person's life," said Billy Dunn, M.D., director of the Division of Neurology Products in the FDA's Center for Drug Evaluation and Research. "We are committed to continuing to work with companies that are developing additional treatment options for patients with multiple sclerosis."

MS is a chronic, inflammatory, autoimmune disease of the central nervous system that disrupts communications between the brain and other parts of the body. Most people experience their first symptoms of MS between the ages of 20 and 40. MS is among the most common causes of neurological disability in young adults and occurs more frequently in women than in men.

For most people, MS starts with a relapsing-remitting course, in which episodes of worsening function (relapses) are followed by recovery periods (remissions). These remissions may not be complete and may leave patients with some degree of residual disability. Many, but not all, patients with MS experience some degree of persistent disability that gradually worsens over time. In some patients, disability may progress independent of relapses, a process termed secondary progressive multiple sclerosis (SPMS).  In the first few years of this process, many patients continue to experience relapses, a phase of the disease described as active SPMS. Active SPMS is one of the relapsing forms of MS, and drugs approved for the treatment of relapsing forms of MS can be used to treat active SPMS. Later, many patients with SPMS stop experiencing new relapses, but disability continues to progress, a phase called non-active SPMS.

The efficacy of Mayzent was shown in a clinical trial of 1,651 patients that compared Mayzent to placebo in patients with SPMS who had evidence of disability progression in the prior two years and no relapses in the three months prior to enrollment. The primary endpoint of the study was the time to three-month confirmed progression in disability. The fraction of patients with confirmed progression of disability was statistically significantly lower in the Mayzent group than in the placebo group. Mayzent also decreased the number of relapses experienced by these patients. In the subgroup of patients with non-active SPMS, the results were not statistically significant.

Mayzent must be dispensed with a patient Medication Guide that describes important information about the drug's uses and risks. Mayzent may increase the risk of infections, so patients should have a complete blood count taken before treatment is initiated. The drug may cause macular edema, so patients should contact their physician if they experience a change in vision. Mayzent may cause transient decreases in heart rate and may cause a decline in lung function. Liver enzymes should be checked before initiation of the drug and health care professionals should closely monitor patients with severe liver impairment. Health care professionals should monitor the patient's blood pressure during treatment. Women of childbearing potential should use effective contraception during and for 10 days after stopping the drug due to the potential risk of fetal harm. Health care professionals should monitor patients for posterior reversible encephalopathy syndrome and monitor patients that had treatment with immunosuppressive/immune-modulating therapies because there may be unintended additive immunosuppression with Mayzent.

The most common adverse reactions reported by patients receiving Mayzent in the clinical trials include headache, high blood pressure and liver function test increases.

The FDA granted approval of Mayzent to Novartis.

Additional information:

The FDA, an agency within the U.S. Department of Health and Human Services, protects the public health by assuring the safety, effectiveness, and security of human and veterinary drugs, vaccines and other biological products for human use, and medical devices. The agency also is responsible for the safety and security of our nation's food supply, cosmetics, dietary supplements, products that give off electronic radiation, and for regulating tobacco products.

Media Inquiries: Sandy Walsh, 301-796-4669, sandy.walsh@fda.hhs.gov 
Consumer Inquiries: 888-INFO-FDA

SOURCE U.S. Food and Drug Administration


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News published on 26 march 2019 at 19:16 and distributed by: