Posted by: Thixia | May 6, 2008

Atacicept Phase 2 Clinical Trial In Relapsing Multiple Sclerosis

Atacicept Phase 2 Clinical Trial In Relapsing Multiple Sclerosis

 

Merck Serono And ZymoGenetics Initiate Atacicept Phase 2 Clinical Trial In Relapsing Multiple Sclerosis

ZymoGenetics, Inc. (NASDAQ:ZGEN), announced that its development partner Merck Serono, a division of Merck KGaA, Darmstadt, Germany, has initiated a Phase 2 clinical trial to evaluate the safety and efficacy of atacicept in patients with relapsing multiple sclerosis (RMS).

“Patients with multiple sclerosis need more treatment options,” said Nicole Onetto, M.D., Senior Vice President and Chief Medical Officer of ZymoGenetics. “Our preclinical models have shown biological activity of atacicept in multiple sclerosis and, because of the growing body of supporting data in the literature indicating the importance of B cells and antibodies in the pathology of multiple sclerosis, we believe there is strong rationale for the clinical testing of atacicept in patients with RMS.”

The four-arm randomized, double blind, placebo controlled, multicenter study will evaluate the safety and efficacy of atacicept in patients with RMS over 36 weeks of treatment. The primary objective of the study is to evaluate the efficacy of atacicept in reducing central nervous system inflammation in subjects with RMS as assessed by frequent MRI measures.

Approximately 300 RMS patients meeting the eligibility criteria will be randomly assigned to receive one of three subcutaneous doses of atacicept or placebo for 36 weeks. Patients will have follow-up visits at 48 weeks.

About Relapsing Multiple Sclerosis (RMS)

Multiple sclerosis (MS) is a disease of the central nervous system that can lead to permanent damage of the nerves in the brain and spinal cord. Patients with RMS may experience an attack or series of attacks followed by a complete or partial remission. Permanent disability may be accrued by incomplete recovery from relapses and by neurodegenerative processes, which are more prominent in the later stages of the disease. RMS is the most common form of MS. According to the National MS Society, every week about 200 people are diagnosed; worldwide, 2.5 million individuals may have MS.

About Atacicept

Merck Serono and ZymoGenetics are developing atacicept (formerly referred to as TACI-Ig) as a potential treatment of autoimmune diseases, such as systemic lupus erythematosus (SLE), lupus nephritis (LN), rheumatoid arthritis, and multiple sclerosis, as well as B-cell malignancies.

Atacicept contains the soluble TACI receptor that binds to the cytokines BLyS and APRIL. These cytokines are members of the tumor necrosis factor family that promote B-cell survival and autoantibody production associated with certain autoimmune diseases such as systemic lupus erythematosus. Current data indicates that levels of BLyS and APRIL are elevated in patients with rheumatoid arthritis, lupus erythematosus, B-cell malignancies and multiple sclerosis. Atacicept has been shown to affect several stages of B-cell development and may inhibit the survival of cells responsible for making antibodies.

About ZymoGenetics

ZymoGenetics creates novel protein drugs with the potential to significantly help patients fight their diseases. The Company is developing a diverse pipeline of product candidates that are moving into and through clinical development. These candidates span a wide array of clinical opportunities that include bleeding, autoimmune diseases and cancer. ZymoGenetics intends to commercialize these product candidates through internal development, collaborations with partners, and out-licensing of patents from its extensive patent portfolio. For further information, visit
http://www.zymogenetics.com.

This press release contains “forward-looking statements” within the meaning of the Private Securities Litigation Reform Act of 1995. These forward-looking statements are based on the current intent and expectations of the management of ZymoGenetics. These statements are not guarantees of future performance and involve risks and uncertainties that are difficult to predict. ZymoGenetics’ actual results and the timing and outcome of events may differ materially from those expressed in, or implied by, the forward-looking statements because of risks associated with our unproven discovery strategy, preclinical and clinical development, regulatory oversight, intellectual property claims and litigation and other risks detailed in the company’s public filings with the Securities and Exchange Commission, including the company’s Annual Report on Form 10-K for the year ended December 31, 2007. Except as required by law, ZymoGenetics undertakes no obligation to update any forward-looking or other statements in this press release, whether as a result of new information, future events or otherwise.

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