Drug General Information (ID: DDIYQLA0CU)
  Drug Name Talimogene laherparepvec Drug Info Trastuzumab deruxtecan Drug Info
  Drug Type Vaccine Monoclonal antibody
  Therapeutic Class Anticancer Agents Antineoplastics/Her2 Inhibitors

 Mechanism of Talimogene laherparepvec-Trastuzumab deruxtecan Interaction (Severity Level: Major)
     Antagonize the effect of vaccine/toxoid Click to Show/Hide Mechanism Graph
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      Drug Name Talimogene laherparepvec Trastuzumab deruxtecan
      Mechanism Immunomodulatory infective agent Immunosuppressive effects
      Key Mechanism Factor 1
Factor Name Vaccine/toxoid
Factor Description The beneficial effects of the vaccine/toxinoid may be reduced, leading to a diminished or suboptimal immune response.
      Mechanism Description
  • Antagonize the effect of Talimogene laherparepvec when combined with Trastuzumab deruxtecan 

Recommended Action
      Management Talimogene laherparepvec should not be used in patients receiving immunosuppressive therapy or cancer chemotherapy. Treatment with talimogene laherparepvec may need to be deferred until after such therapy is discontinued and the patient's immune system has sufficiently recovered.

References
1 Product Information. Imlygic (talimogene laherparepvec). Amgen USA, Thousand Oaks, CA.