BIIB » Topics » 2008 Developments

These excerpts taken from the BIIB 10-K filed Feb 6, 2009.
2008 Developments
We continue to work to expand the clinical data available about AVONEX and MS treatments, invest in AVONEX lifecycle development and focus on projects that will help patients adhere to therapy.
In September 2008, we announced that data from the follow-up study known as ASSURANCE showed the long-term benefits of AVONEX therapy in patients with relapsing MS for up to 15 years. The ASSURANCE study represents the long-term follow-up of patients who participated in the Multiple Sclerosis Collaborative Research Group (MSCRG) trial, the original Phase 3 pivotal trial from which AVONEX was approved. Specifically, the ASSURANCE study showed that patients currently taking AVONEX for up to 15 years versus those not on AVONEX therapy reported: (1) significantly lower disability progression as measured by a mean change in Expanded Disability Scale Scores (EDSS) of 2.3 vs. 3.3 from the MSCRG baseline; (2) lower disability progression


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to EDSS milestones four, six and seven; (3) greater quality of life as measured by the physical component score of the SF-36 health survey; (4) significantly greater sense of independence in self care; and (5) significantly more independent living.
We have also extended the five-year study known as CHAMPIONS for an additional five years. CHAMPIONS was originally designed to determine whether the effect of early treatment with AVONEX in delaying relapses and reducing the accumulation of MS brain lesions could be sustained for up to five years. The study results showed that AVONEX altered the long-term course of MS in patients who began treatment immediately after their initial MS attack compared to initiation of treatment more than two years after onset of symptoms. The five-year study extension is intended to determine if the effects of early treatment with AVONEX can be sustained for up to ten years. We also continue to support Phase 4 investigator-run studies evaluating AVONEX in combination with other therapies.
Outside of MS, we are conducting a Phase 2 trial of AVONEX in ulcerative colitis, a form of inflammatory bowel disease.
2008 Developments
In April 2008, we and Genentech announced that a Phase 2/3 study of RITUXAN in primary-progressive multiple sclerosis (PPMS) did not meet its primary endpoint, as measured by the time to confirmed disease progression during the 96-week treatment period.
In April 2008, we and Genentech also announced that a Phase 2/3 study of RITUXAN in systemic lupus erythematosus (SLE) did not meet its primary endpoint, defined as the proportion of RIXUTAN treated patients who achieved a major clinical response or partial clinical response compared to placebo at 52 weeks. The study also did not meet any of the six secondary endpoints.
In December 2008, we and Genentech announced the results of two global Phase 3 registrational studies of RITUXAN in CLL, a cancer affecting B-cell lymphocytes. These studies, known as the CLL8 and REACH studies, showed that RITUXAN plus chemotherapy significantly increased the time patients lived without their disease advancing, as defined by the primary endpoint of progression-free survival, when compared to chemotherapy alone. Specifically, in the CLL8 study, 817 patients newly diagnosed with CLL were given RITUXAN combined with chemotherapy, with 41% of such patients experiencing a reduction in the risk of death or cancer progression when compared with those treated with chemotherapy alone. In addition, the REACH study, involving 552 participants, found RITUXAN reduced the risk of cancer progression or death by 35 percent for patients who had a relapse of CLL symptoms after chemotherapy. We and Genentech anticipate submitting an application to the FDA for potential new indications for RITUXAN in first- and second-line treatment of CLL in 2009.
In December 2008, we and Genentech announced that a Phase 3 clinical study of RITUXAN in patients with early RA who have not previously been treated with methotrexate met its primary endpoint. In this study, known as IMAGE, patients received two infusions of either 500 mg or 1000 mg of RITUXAN or placebo for up to two treatment courses in combination with a stable dose of methotrexate. At week 52, only patients in the 1000 mg treatment group met the primary endpoint and showed significantly less progression of joint damage compared to patients who received placebo in combination with methotrexate.


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We, along with Genentech and Roche, initiated a Phase 3 clinical trial of RITUXAN in RA patients who are inadequate responders to disease-modifying anti-rheumatic drugs, or DMARDs, in 2006. In January 2008, we announced that the trial, known as SERENE, met its primary endpoint of a significantly greater proportion of RITUXAN-treated patients achieving an American College of Rheumatology (ACR) 20 response (the proportion of patients who achieve at least 20% improvement) at week 24, compared to placebo. In this trial, patients who received either 500 mg or 1000 mg of RITUXAN as a single treatment course of two infusions in combination with a stable dose of methotrexate displayed a statistically significant improvement in symptoms compared to patients who received placebo in combination with methotrexate. In September 2008, we and Genentech filed for an expansion of the RITUXAN label to include treatment of RA patients who have had an inadequate response to DMARDs.
We, along with Genentech, are conducting a Phase 3 clinical trial of RITUXAN in lupus nephritis, an inflammation of the kidney caused by systemic lupus erythematosus, a disease of the immune system. We anticipate reporting results from this trial in the first half of 2009.
The National Institutes of Health is conducting a Phase 2/3 clinical trial of RITUXAN in ANCA-associated vasculitis, a type of inflammation of the blood vessels. We anticipate that data from this trial will be available in 2009.
2008 Developments
The FDA’s approval of TYSABRI to treat relapsing MS was based on one-year data from two Phase 3 clinical studies. In September 2008, we and Elan announced that a post hoc analysis of one of these studies showed TYSABRI treatment increases the probability of achieving sustained improvement in physical disability over two years when compared to placebo. This post-hoc analysis provides the first evidence that TYSABRI is associated with a significant improvement in functional outcome, rather than only slowing or preventing progression of disability, in those living with relapsing MS. These findings were presented as a poster presentation at the World Congress on Treatment and Research in Multiple Sclerosis in September 2008.
We initiated the first clinical trial of TYSABRI in oncology in 2008. The objectives of this Phase 1/2 study are to evaluate the safety and potential anti-tumor activity of TYSABRI in patients with relapsed or refractory multiple myeloma.
Since the reintroduction of TYSABRI in the United States and the introduction of TYSABRI outside the United States in July 2006, we have disclosed five cases of progressive multifocal leukoencephalopathy, or PML, a known side effect, in patients taking TYSABRI. These patients are the only confirmed cases of PML reported to us during this period.


10-K (3 sections)
Feb 6, 2009

"2008 Developments" elsewhere:

Bristol-Myers Squibb Company (BMY)
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