By RTT News, October 21, 2013, 09:24:00 AM EDT

(RTTNews.com) - Seattle Genetics, Inc.( SGEN ), Monday announced the initiation of a phase 1 clinical trial evaluating SGN-LIV1A for patients with LIV-1-positive metastatic breast cancer. SGN-LIV1A utilizes Seattle Genetics' antibody-drug conjugate or ADC technology. The trial will assess the safety and antitumor activity of SGN-LIV1A, targeted to LIV-1, a protein which is expressed in most subtypes of metastatic breast cancer. The primary endpoint of the trial is safety, with key secondary endpoints of objective response, duration of response and progression-free survival.

The study, which is excepted to enroll up to 70 patients, is enrolling patients with triple negative disease who have previously been treated with at least two prior cytotoxic regimens in the metastatic setting, or patients with ER-positive and/or PR-positive and HER2-negative disease who have previously been treated with at least two prior cytotoxic regimens in the metastatic setting, and at least three prior hormonal therapies.

ADCs are designed to harness the targeting ability of antibodies to deliver cell-killing agents directly to cancer cells. This approach is intended to spare non-targeted cells and thus reduce many of the toxic effects of traditional chemotherapy while enhancing antitumor activity.

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Excerpt from:
Seattle Genetics Begins Phase 1 Trial Of ADC Candidate SGN-LIV1A

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