BTG plc: Genzyme Receives Positive CHMP Opinion for LEMTRADA™ (alemtuzumab) in Europe
London, UK, 28 June 2013: BTG plc (LSE: BTG), the specialist healthcare company notes today’s announcement by Sanofi and its subsidiary Genzyme, that the Committee for Medicinal Products for Human Use (CHMP) of the European Medicines Agency (EMA) has issued a positive opinion for approval of LEMTRADA™ (alemtuzumab) for the treatment of adult patients with relapsing remitting multiple sclerosis (RRMS) with active disease defined by clinical or imaging features.
The full text of the announcement follows:
Genzyme Receives Positive CHMP Opinion for LEMTRADA™ (alemtuzumab) in Europe
- CHMP also Recommends NAS Designation for AUBAGIO® (teriflunomide) Following Positive Opinion on Approval in March 2013
- Positive Opinions Set Stage for Introduction of Two New Genzyme Therapies for Multiple Sclerosis in Europe
CAMBRIDGE, Mass--Genzyme, a Sanofi company (EURONEXT: SAN and NYSE: SNY), announced today that the Committee for Medicinal Products for Human Use (CHMP) of the European Medicines Agency (EMA) has issued a positive opinion for approval of LEMTRADA™ (alemtuzumab) for the treatment of adult patients with relapsing remitting multiple sclerosis (RRMS) with active disease defined by clinical or imaging features.
In addition, the CHMP issued a positive opinion on new active substance designation (NAS) for AUBAGIO® (teriflunomide). Earlier this year, the CHMP issued a positive opinion recommending the approval of AUBAGIO for the treatment of adult patients with relapsing remitting MS.
The European Commission (EC) is expected to render a final decision to grant marketing authorizations for LEMTRADA and AUBAGIO in the EU in the coming months.
“Today’s CHMP opinions set the stage for the approval of two important new treatment options for MS patients. Treatments to-date have addressed some of the unmet needs in MS, but still have limitations,” said David Meeker, MD, Genzyme President and CEO. “Upon approval, physicians will have the ability to prescribe LEMTRADA for appropriate relapsing remitting patients based on their impressions of clinical or imaging characteristics regardless of duration of disease or treatment history. Expectations among the MS community are high for LEMTRADA and with today’s positive CHMP opinion we are a step closer to making this very innovative treatment available for MS patients in Europe.”
The positive CHMP opinion for approval of LEMTRADA was based on data from the CARE-MS I and CARE-MS II trials, in which LEMTRADA was significantly more effective than Rebif® (subcutaneous interferon beta-1a 44 mcg three times weekly) at reducing relapse rates. In CARE-MS II, accumulation of disability was significantly slowed in patients given LEMTRADA vs. Rebif, and importantly, patients treated with LEMTRADA were significantly more likely to experience improvement in pre-existing disability.
“Today’s announcement from Genzyme represents a key milestone in the extensive program evaluating LEMTRADA in multiple sclerosis,” said Professor Alastair Compston, Head of the Department of Clinical Neurosciences at the University of Cambridge, United Kingdom. “The superior efficacy of Lemtrada vs. Rebif in the clinical trials, which was sustained despite infrequent administration, represents an approach to treatment that promises to reshape the future for many people with active relapsing-remitting multiple sclerosis.”
LEMTRADA has a novel dosing and administration schedule of two annual treatment courses. The first treatment course of LEMTRADA is administered via intravenous infusion on five consecutive days, and the second course is administered on three consecutive days, 12 months later.
The LEMTRADA clinical development program included two randomized Phase III studies comparing treatment with LEMTRADA to Rebif in patients with relapsing-remitting MS who had active disease and were either new to treatment (CARE-MS I) or who had relapsed while on prior therapy (CARE-MS II), as well as an ongoing extension study. A large randomized Phase II study provided the foundation for the Phase III program.
Safety results were consistent across both the CARE-MS I and CARE-MS II studies. The most common adverse events associated with LEMTRADA were infusion-associated reactions, including headache, rash, fever, nausea and hives. Infections were common in both the LEMTRADA and Rebif groups. Infections more common on LEMTRADA treatment included upper respiratory and urinary tract infections, herpes viral infections, and influenza. Most infusion-associated reactions and infections were mild to moderate in severity and responded to standard treatments.
In both CARE-MS I and CARE-MS II, the incidence of serious adverse events was similar between the two treatment arms. As previously reported, autoimmune disorders were more frequent in patients treated with LEMTRADA, primarily autoimmune thyroid disease which was observed in an estimated 36% of patients during extended follow-up. Immune thrombocytopenia (ITP) developed in 1.4 percent of LEMTRADA-treated patients through extended follow-up and 0.3% developed glomerulonephritis. Autoimmune disorders were detected soon after onset through a monitoring program, and were generally managed using standard treatments.
A comprehensive risk management program has been proposed to support early detection and management of adverse events.
In the U.S. the FDA has accepted for review the company’s supplemental Biologics License Application (sBLA) file seeking approval of LEMTRADA (alemtuzumab) for the treatment of relapsing multiple sclerosis (RMS). FDA recently extended the review cycle for LEMTRADA™ by three months; no additional clinical studies have been requested, therefore FDA action on the application is expected in late 2013.
About LEMTRADA™ (alemtuzumab)
Alemtuzumab is a monoclonal antibody that selectively targets CD52, a protein abundant on T and B cells. Treatment with alemtuzumab results in the depletion of circulating T and B cells thought to be responsible for the damaging inflammatory process in MS. Alemtuzumab has minimal impact on other immune cells. The acute anti-inflammatory effect of alemtuzumab is immediately followed by the onset of a distinctive pattern of T and B cell repopulation that continues over time, rebalancing the immune system in a way that potentially reduces MS disease activity. Genzyme holds the worldwide rights to alemtuzumab and has primary responsibility for its development and commercialization in multiple sclerosis. Bayer HealthCare retains an option to co-promote alemtuzumab in multiple sclerosis. Bayer HealthCare has notified Genzyme of its intention to co-promote under this option. Upon regulatory approval and commercialization, Bayer would receive contingent payments based on sales revenue. LEMTRADA is the proprietary name submitted to health authorities for the company’s investigational multiple sclerosis agent alemtuzumab.
About AUBAGIO® (teriflunomide)
AUBAGIO is an immunomodulator with anti-inflammatory properties. Although the exact mechanism of action for AUBAGIO is not fully understood, it may involve a reduction in the number of activated lymphocytes in the central nervous system (CNS).
U.S. Indications and Usage
AUBAGIO (teriflunomide) is a once-daily, oral treatment indicated in the U.S. for patients with relapsing forms of multiple sclerosis (MS). AUBAGIO 14 mg has shown significant efficacy across key measures of MS disease activity, including reducing relapses, slowing the progression of physical disability, and reducing the number of brain lesions as detected by MRI. AUBAGIO 7mg has shown significant efficacy in reducing relapses and reducing the number of brain lesions as detected by MRI.
Important Safety Information About AUBAGIO
The AUBAGIO U.S. label includes a boxed warning citing the risk of hepatotoxicity and, teratogenicity (based on animal data). In MS clinical studies with AUBAGIO, the incidence of serious adverse events were similar among AUBAGIO and placebo treated patients. The most common adverse events associated with AUBAGIO in MS patients included increased ALT levels, alopecia, diarrhea, influenza, nausea and paresthesia. Teriflunomide is the principal active metabolite of leflunomide, which is indicated in the U.S. and Europe for the treatment of rheumatoid arthritis. Severe liver injury including fatal liver failure has been reported in patients treated with leflunomide. Leflunomide has an estimated 2.1 million patient years of exposure in rheumatoid arthritis globally since its launch. AUBAGIO is contraindicated in pregnant women and women of childbearing potential who are not using reliable contraception. AUBAGIO is supported by a robust clinical program with more than 5,000 trial participants in 36 countries and is amongst the largest of any MS therapy. Some patients in extension trials have been treated for up to 10 years. The EU AUBAGIO submission includes efficacy data from the TOWER (Teriflunomide Oral in people With relapsing remitting multiple scleRosis) and TEMSO (TEriflunomide Multiple Sclerosis Oral) trials. For full prescribing information and more information about AUBAGIO, please visit www.genzyme.com.
Sanofi Forward Looking Statements
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BTG is an international specialist healthcare company that is developing and commercialising products targeting critical care, cancer and varicose veins. The company has diversified revenues from sales of its own marketed products and from royalties on partnered products, and is seeking to acquire new programmes and products to develop and market to specialist physicians.