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Biotech / Medical : Seattle Genetics (SGEN) -- Ignore unavailable to you. Want to Upgrade?


To: idos who wrote (124)1/26/2009 11:34:18 AM
From: Steve Lokness  Read Replies (1) | Respond to of 161
 
Seattle Genetics Receives Orphan Drug Designations for SGN-35 in the United States and Europe
Monday January 26, 9:00 am ET

BOTHELL, Wash.--(BUSINESS WIRE)--Seattle Genetics, Inc. (Nasdaq:SGEN - News) announced today that SGN-35 has been granted orphan drug designation by the European Medicines Agency (EMEA) for the treatment of Hodgkin lymphoma and anaplastic large cell lymphoma (ALCL) and by the U.S. Food and Drug Administration (FDA) for the treatment of ALCL. These designations are in addition to the SGN-35 orphan drug designation for Hodgkin lymphoma previously received from the FDA. The company plans to initiate a pivotal trial of SGN-35 for Hodgkin lymphoma and a phase II clinical trial for ALCL during the first quarter of 2009.
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“These orphan drug designations support our global development strategy for SGN-35 and assist in achieving our goal of providing improved therapies for patients with Hodgkin lymphoma and ALCL,” said Thomas C. Reynolds, Chief Medical Officer of Seattle Genetics. “Our clinical experience to date with SGN-35 has demonstrated its potential to induce objective responses, including complete remissions, in relapsed or refractory Hodgkin lymphoma and ALCL where limited treatment options exist. This activity paired with a favorable tolerability profile supports our plans to initiate a pivotal trial of SGN-35 this quarter under a special protocol assessment (SPA).”

FDA orphan drug designation is intended to encourage companies to develop therapies for the treatment of diseases that affect fewer than 200,000 individuals in the United States. This designation will provide Seattle Genetics with seven years of marketing exclusivity for each indication, Hodgkin lymphoma and ALCL, if SGN-35 is approved by the FDA in such indication. Prior to FDA approval, orphan designation by the FDA provides the opportunity to obtain grant funding to defray costs of clinical trial expenses, tax credits for clinical research expenses and potential waiver of the FDA's application user fee.

Similarly, the EMEA’s Orphan Medicinal Product Designation is designed to promote the development of drugs that may provide significant benefit to patients suffering from rare, life-threatening diseases. This designation will provide ten years of marketing exclusivity if the product candidate is approved for marketing for the designated orphan indication in the European Union. It also provides special incentives for sponsors, including eligibility for protocol assistance and possible exemptions or reductions in certain regulatory fees during development or at the time of application for marketing approval.

SGN-35 is an antibody-drug conjugate (ADC) comprising an anti-CD30 monoclonal antibody attached by an enzyme cleavable linker to a potent, synthetic drug payload, monomethyl auristatin E (MMAE), using Seattle Genetics’ proprietary technology. The ADC is designed to be stable in the bloodstream, but to release MMAE upon internalization into CD30-expressing tumor cells, resulting in a targeted cell-killing effect.

Seattle Genetics reported data from a phase I dose-escalation clinical trial of SGN-35 in December 2008 at the American Society of Hematology annual meeting. Among 28 evaluable patients with relapsed or refractory Hodgkin lymphoma or ALCL treated at doses of 1.2 milligrams per kilogram and higher administered every three weeks, 54 percent achieved an objective response, including 32 percent with complete responses. SGN-35 was generally well tolerated. The company is also continuing dose escalation in an ongoing phase I clinical trial of SGN-35 administered on a weekly basis, and expects to report data from this study during 2009.