- Schedule B: Patients receive paclitaxel IV over 1 hour followed by carboplatin IV over 15 minutes on day 1 of weeks 1-3 and trastuzumab IV over 90 minutes immediately after carboplatin on day 1. Treatment repeats every 4 weeks for up to 6 courses in the absence of disease progression or unacceptable toxicity. Patients then receive trastuzumab IV over 30 minutes every 3 weeks until disease progression.