Overview This Study is to Assess the Efficacy and Safety of ZD6474 in Subjects With Metastatic Breast Cancer Status: Completed Trial end date: 2003-11-01 Target enrollment: Participant gender: Summary The purpose of this study is to assess the efficacy of ZD6474 in patients with metastatic breast cancer at 2 dose levels. Phase: Phase 2 Details Lead Sponsor: Genzyme, a Sanofi Company