FDA approves Rituxan to treat severe pemphigus vulgaris.- Genentech/Roche.
Genentech, a member of the Roche Group announced that the FDA has approved Rituxan (rituximab) for the treatment of adults with moderate to severe pemphigus vulgaris (PV), a rare, serious, potentially life-threatening condition characterized by progressive painful blistering of the skin and mucous membranes. Rituxan is the first biologic therapy approved by the FDA for PV and the first major advancement in the treatment of the disease in more than 60 years. The FDA previously granted Priority Review, Breakthrough Therapy Designation and Orphan Drug Designation to Rituxan for the treatment of PV. With this FDA decision, Rituxan is now approved to treat four autoimmune diseases.
The FDA approval is based on data from the Ritux 3 trial, a Roche-supported, randomized, controlled trial conducted in France that used Roche-manufactured, European Union (EU)-approved rituximab product as the clinical trial material. The study compared the Ritux 3 regimen (EU-approved rituximab product plus short-term corticosteroids [CS]) to CS alone as a first-line treatment in patients with newly diagnosed moderate to severe pemphigus. The primary endpoint of the study was complete remission at month 24 without the use of steroids for two or more months. Results of the study showed that 90 percent of PV patients treated with the Ritux 3 regimen met the endpoint, compared to 28 percent of PV patients treated with CS alone. These results supported the efficacy of Rituxan in treating patients with moderate to severe PV, while tapering off of CS therapy. These results were published in The Lancet in March 2017.
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