Drug General Information (ID: DDI5E47WS8)
  Drug Name Trastuzumab Drug Info Doxorubicin (liposomal) Drug Info
  Drug Type Monoclonal antibody Small molecule
  Therapeutic Class Antineoplastics Antineoplastics

 Mechanism of Trastuzumab-Doxorubicin (liposomal) Interaction (Severity Level: Major)
     Increased risk of other adverse reactions (Unspecific) Click to Show/Hide Mechanism Graph
      Drug Name Trastuzumab Doxorubicin (liposomal)
      Mechanism Cardiotoxic effects Cardiotoxic effects
      Key Mechanism Factor 1
Factor Name Adverse reactions
Factor Description An adverse reaction is an unexpected negative reaction to a medication or treatment that happens even when it's used correctly.
      Mechanism Description
  • Increased risk of adverse reactions by the combination of Trastuzumab and Doxorubicin (liposomal) 

Recommended Action
      Management Trastuzumab and cardiotoxic agents such as anthracyclines should not be used in combination except in settings where cardiac monitoring is possible. The use of anthracycline-based therapy should be avoided, if possible, for up to 7 months after stopping trastuzumab. If anthracyclines must be used sooner, the patient's cardiac function should be closely monitored.

References
1 Cerner Multum, Inc. "Australian Product Information.".
2 Strasser F, Betticher DC, Suter TM "Trastuzumab and breast cancer." N Engl J Med 345 (2001): 996.[PMID: 11575296]
3 Product Information. DOXOrubicin Hydrochloride (DOXOrubicin). Pfizer U.S. Pharmaceuticals Group, New York, NY.