At a glance
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A Two-Cohort, Open-Label, Multicenter Study of Trastuzumab Emtansine (T-DM1) in HER2-Positive Locally Advanced or Metastatic Breast Cancer Patients Who Have Received Prior Anti-HER2 and Chemotherapy-Based Treatment
In Brief
A Phase 3 clinical trial evaluating Trastuzumab Emtansine for Breast Cancer. Completed, enrolled 2,185 participants across 300 sites in 43 countries.
Detailed Summary
This two-cohort, open-label, multicenter study will assess the safety, efficacy and tolerability of trastuzumab emtansine in participants with HER2-positive locally advanced breast cancer (LABC) or metastatic breast cancer (mBC) who have received prior anti-HER2 and chemotherapy-based treatment. Participants in Cohort 1 will be drawn from the general participant population; Cohort 2 will include only Asian participants.
Study Details
Timeline
Interventions
Participants will receive trastuzumab emtansine 3.6 milligrams per kilogram (mg/kg) intravenously on Day 1 of a 3-week cycle every 3 weeks until unacceptable toxicity, withdrawal of consent, or disease progression.