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Herceptin® (Trastuzumab): Additional Information

Adjuvant trastuzumab therapy is recommended for 12 months. Trastuzumab therapy has great potential but is associated with high cost and cardiac toxicity, demonstrated below:
  • In the United States (US), the cost is approximately $100,000
  • 5% to 15% of patients develop cardiac dysfunction
  • 1% to 4% develop significant cardiac events while taking trastuzumab