Astellas and Seattle Genetics Announce Updated Enfortumab Vedotin Phase 1 Data in Metastatic Urothelial Cancer at 2017 ASCO Annual Meeting -Pivotal Monotherapy Phase 2 Trial Initiation Planned for 2017-

Astellas and Seattle Genetics, Inc. (NASDAQ: SGEN) highlighted updated phase 1 data for enfortumab vedotin (ASG-22ME) studied as monotherapy treatment for metastatic urothelial cancer (mUC) in an oral presentation at the American Society of Clinical Oncology (ASCO) 52nd Annual Meeting in Chicago. Enfortumab vedotin is an investigational antibody-drug conjugate (ADC) that targets Nectin-4, a cell surface protein expressed in multiple solid tumors including mUC, ovarian cancer, and non-small cell lung cancer (NSCLC). Based on the data from the ongoing phase 1 clinical trial, the companies this year plan to initiate a registrational monotherapy phase 2 trial for locally advanced or mUC patients who have been previously treated with checkpoint inhibitor (CPI) therapy. A trial evaluating enfortumab vedotin in combination with CPIs is also planned for later this year as part of a broad clinical development program.

• Source: newsroom.astellas.us
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• March 28, 2018