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Ozanimod successful in clinical trials for multiple sclerosis

The medication ozanimod shows promising results in research.

Celgene Corporation recently announced results from two phase 3 trials evaluating the efficacy and safety of the drug ozanimod. Ozanimod was invented by scientists at The Scripps Research Institute (TSRI). Ozanimod is a novel, oral, selective sphingosine 1-phosphate 1 (S1PR1) and 5 (S1PR5) receptor modulator, and was compared to the first-line treatment, Avonex (interferon beta-1a) (IFN), in patients with relapsing multiple sclerosis (RMS). The findings from the two pivotal phase 3 (SUNBEAM and RADIANCE Part B) trials pave the way for ozanimod to enter the New Drug Approval process with the U.S. Food and Drug Administration (FDA).

RMS is the most common type of . Treating inflammation in RMS patients is key to reducing their disease relapses—or “flare ups.” Ozanimod blocks sources of inflammation in RMS by acting as a sphingosine 1-phosphate 1 (S1PR1) receptor agonist.

The RADIANCE Part B study evaluated two doses (1 mg and 0.5 mg) of oral ozanimod compared with IFN in 1,320 patients with RMS in 21 countries treated for two years. The SUNBEAM study evaluated two doses (1 mg and 0.5 mg) of oral ozanimod in 1,346 patients with RMS in 20 countries treated for at least one year.

Ozanimod demonstrated a significant reduction in new or enlarging T2 lesions over one year for 1 mg (48 percent, p < 0.0001) and 0.5 mg (25 percent, p=0.0032) compared with IFN. A significant reduction in gadolinium-enhanced MRI lesions at 1 year was also demonstrated for ozanimod 1 mg (63 percent, p < 0.0001) and ozanimod 0.5 mg (34 percent, p=0.0182) compared with IFN. Ozanimod significantly slowed the loss of brain volume compared with IFN—a hallmark of the disease that causes brain atrophy, disease progression and cognitive impairment.

“Ozanimod’s ability to inhibit brain atrophy promises patients a long and productive life, living with relapsing, remitting multiple sclerosis without disability,” said TSRI Professor of Molecular Medicine Hugh Rosen, Ph.D., M.D., co-inventor of ozanimod. “This is truly disease-modifying.”

The design and development of ozanimod stems from basic research pursued in the TSRI laboratories of Rosen, Professor Edward Roberts, Ph.D., and Professor Michael B.A. Oldstone, M.D. The TSRI scientists discovered the fundamental mechanism of the S1PR1 receptor, developed the chemical tools to synthesize both agonists and antagonists of the receptor, discovered the role of the receptor in the immune system’s “cytokine storm” in pandemic influenza, and investigated the role of the receptor in type 1 diabetes.

TSRI owns several composition-of-matter patents that cover S1P agonist compounds including key patents that cover ozanimod. TSRI licensed these patents to Receptos, which was bought by Celgene in 2015. Celgene has announced that it expects to launch the compound by the end of 2018, following FDA approval.

Read full article: Ozanimod successful in clinical trials for multiple sclerosis

Read Full Article: Ozanimod successful in clinical trials for multiple sclerosis

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