Phase II Trial of Trastuzumab Followed by Weekly Paclitaxel/Carboplatin As First-Line Treatment for Patients With Metastatic Breast Cancer
2004
Purpose To determine the response rate of trastuzumab as first-line therapy in patients with HER-2 overexpressing metastatic breast cancer. To assess the feasibility and toxicity of weekly paclitaxel/carboplatin with or without trastuzumab following initial treatment with trastuzumab. Patients and Methods Sixty-one patients received trastuzumab (8 mg/kg followed by 4 mg/kg/wk) for 8 weeks. Responding patients received 8 additional weeks of trastuzumab (4 mg/kg/wk), and then proceeded to receive trastuzumab (2 mg/kg) in combination with paclitaxel 70 mg/m2 and carboplatin (area under the curve, 2) weekly for 6 weeks followed by 2 weeks rest. Stable patients after the initial 8 weeks of trastuzumab proceeded to treatment with trastuzumab, paclitaxel, and carboplatin. Patients with disease progression during the initial 8 weeks had the trastuzumab discontinued and were treated with weekly paclitaxel/carboplatin. Results Weekly paclitaxel/carboplatin with or without trastuzumab was well tolerated. Fifty-two p...
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