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Is trastuzumab-induced cardiotoxicity involved in onco-cardiology outcome?

Teresa Alonso Gordoa1, José Ángel García-Sáenz, Juan Francisco Rodríguez Moreno

  • 1Medical Oncology Department, San Carlos University Hospital, Madrid, Spain.

Clinical & Translational Oncology : Official Publication of the Federation of Spanish Oncology Societies and of the National Cancer Institute of Mexico
|July 22, 2011
PubMed

Insights

Trastuzumab offers significant benefits in solid tumors but can affect the heart. Research focuses on monitoring and managing cardiac risks to optimize its use, not restrict it.

Area of Science:

  • Oncology
  • Cardiology
  • Pharmacology

Background:

  • Targeted therapies, including trastuzumab, have improved outcomes in solid tumors.
  • Trastuzumab, a monoclonal antibody, effectively targets breast cancer cells but also impacts the myocardium.
  • Recent findings highlight shared signaling pathways between tumoral breast cells and cardiac cells.

Purpose of the Study:

  • To explore strategies for optimizing trastuzumab use in cancer treatment.
  • To investigate methods for monitoring and managing trastuzumab-induced cardiotoxicity.
  • To identify risk factors and prophylactic measures for patients receiving trastuzumab.

Main Methods:

  • Review of data from Metastatic and Adjuvant Breast Cancer Trials.
  • Analysis of signaling pathways shared between breast cancer cells and cardiomyocytes.
  • Evaluation of trastuzumab's cardiac effects and reversibility.

Main Results:

  • Trastuzumab demonstrates significant efficacy in solid tumors, improving survival rates.
  • Cardiac effects of trastuzumab are identified, linked to shared cellular signaling.
  • The cardiotoxic effects of trastuzumab are largely reversible, unlike anthracyclines.

Conclusions:

  • Strategies are being developed to monitor and manage trastuzumab's cardiac impact.
  • Risk factor identification and prophylactic applications aim to enable full treatment courses.
  • The focus is on optimizing trastuzumab's application through careful management rather than discontinuation.

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