Novartis said initial results from the two-year Phase III study showed oral FTY720 was significantly superior to placebo in reducing both relapses and disability progression in patients with relapsing-remitting multiple sclerosis, one of the main causes of neurological disability in young adults.
September 30, 2009 07:15 CET
Two-year Phase III study shows Novartis oral MS therapy FTY720 significantly reduces relapses and disability progression
FREEDOMS study shows FTY720 reduced relapse rates by 54-60% compared to placebo, and disability progression by 30-32%
Results build on Phase III TRANSFORMS one-year study showing FTY720 reduced relapses significantly more than interferon beta-1a, a standard of care
Phase III efficacy and safety data confirm positive benefit-risk profile for lower 0.5 mg dose and support planned submissions in US and EU at end of 2009
Future development of FTY720 in relapsing forms of MS to focus on lower 0.5 mg dose
Basel, September 30, 2009 - Initial results from the two-year Phase III FREEDOMS study show that oral FTY720 (fingolimod) was significantly superior to placebo in reducing both relapses and disability progression in patients with relapsing-remitting multiple sclerosis (MS) - one of the leading causes of neurological disability in young adults.
The FREEDOMS study met its primary and secondary endpoints for both the 0.5 mg and 1.25 mg doses, with no significant difference in efficacy between doses. This result builds on previous data showing superior efficacy to interferon beta-1a in TRANSFORMS, the largest head-to-head Phase III study against a standard of care treatment in MS.
In FREEDOMS, FTY720 was generally well tolerated with a lower incidence of adverse events at the 0.5 mg dose than 1.25 mg. Regulatory submissions for FTY720, planned in the US and EU at the end of 2009, will seek approval for the lower 0.5 mg dose based on comprehensive Phase III results establishing its positive benefit-risk profile. Future development of FTY720 in relapsing forms of MS will focus on the 0.5 mg dose.
"We are proud to have reached this critical milestone in the development of FTY720, a novel oral therapy that has the potential to transform the treatment of this ultimately disabling disease," said Trevor Mundel, MD, Global Head of Development at Novartis Pharma AG. "FTY720 0.5 mg therapy offers compelling efficacy on all relevant endpoints compared to both placebo and a standard of care, complemented by extensive safety data."
Results from the placebo-controlled FREEDOMS study show that FTY720 reduced the relapse rate by 54% for the 0.5 mg dose and 60% for the 1.25 mg dose compared to placebo (both p<0.001). In addition, FTY720 reduced the progression of disability by 30% for patients on 0.5 mg (p=0.024) and 32% for those on 1.25 mg (p=0.017) compared to placebo over two years. These findings were supported by positive effects on brain lesions as measured by magnetic resonance imaging (MRI) scans.
FREEDOMS is the second of three Phase III studies to report results in the largest development program ever conducted in MS, involving more than 4,000 patients worldwide. Previously reported results from the one-year TRANSFORMS study showed a reduction in relapse rates of 52% and 38% for FTY720 0.5 mg and 1.25 mg respectively compared to interferon beta-1a (both p<0.001). FREEDOMS II, currently under way, is a two-year placebo-controlled Phase III study, similar in design to FREEDOMS.
"The positive results from the FREEDOMS study confirm the efficacy and safety of fingolimod, and provide important evidence of its effect on disability," said Professor Ludwig Kappos, Chair of Neurology and Research Group Leader in the Department of Biomedicine at the University Hospital in Basel, Switzerland, and the principal investigator of the FREEDOMS study. "As an oral therapy, it is clear that fingolimod potentially represents a significant advance in the treatment of MS."
FTY720 has a well-studied safety profile with more than 5,300 patient-years of exposure, including patients now in their sixth year of treatment. Previous data from the development program raised questions about potential side effects including macular edema, melanoma, liver injury, infections, and increased blood pressure. In the FREEDOMS study, at the 0.5 mg dose there were no cases of macular edema or melanoma. Reversible and generally asymptomatic liver enzyme elevations were observed more frequently with FTY720 than placebo, and lung infections were also slightly more common. Mild elevation in blood pressure was observed with FTY720. No new safety signals were seen in FREEDOMS compared to previous clinical trials. Three patients died during the FREEDOMS study, one on FTY720 1.25 mg and two on placebo. None of the deaths was assessed as being related to the study drug.
FREEDOMS (FTY720 Research Evaluating Effects of Daily Oral therapy in Multiple Sclerosis) was a double-blind, placebo-controlled study involving 1,272 patients in 22 countries to assess the efficacy, safety and tolerability of FTY720. The primary endpoint was reduction in annual relapse rate and the key secondary endpoint was reduction in disability progression, defined as an increase from baseline in Expanded Disability Status Scale (EDSS) scores confirmed at three months.
FTY720 has the potential to be the first in a new class of MS therapies called sphingosine 1-phosphate (S1-P) receptor modulators. Comprehensive analyses of the FREEDOMS data are ongoing, and detailed results are planned to be presented at a leading scientific congress in 2010.
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