Safety of abiraterone acetate in castration-resistant prostate cancer patients with concomitant cardiovascular risk factors

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Objectives: The aim of this study was to evaluate the safety profile of abiraterone acetate (AA) in metastatic castration-resistant prostate cancer (mCRPC) men with cardiovascular comorbidity, as little conclusive safety data are available in this patient subset. Patients and Methods: A retrospective analysis of mCRPC patients with controlled cardiovascular comorbidities, receiving AA 1000mg administered orally once daily and prednisone 5mg twice daily, between April 2011 and July 2012, was performed. All clinical and instrumental variables and toxicity data were analyzed by descriptive statistics: mean, standard deviation, minimum and maximum values for continuous variables, and absolute and relative frequencies for categorical variables. Results: A total of 51 mCRPC patients were evaluated. Metastatic sites included the bone (74%), lungs, and liver (26%). All patients were previously treated with at least 2 lines of hormone and 1 docetaxel-based chemotherapy. Preexisting cardiac risk factors included hypertension (41%), cardiac ischemia (12%), arrhythmias (6%), dislipidemia (18%), and hyperglycemia (30%). No grade 3-4 adverse events were observed. Grade 1-2 adverse events included fluid retention (18%), asthenia (15%), and hypertension (16%). Median progression-free survival was 5.1 months (95% confidence interval, 0.5-12). Prostate specific antigen assessment revealed a good overall disease control rate (64%). Conclusions: AA appears to be safe and well tolerated even in patients with cardiovascular comorbidities or with increased risk factors for cardiovascular diseases.

Original languageEnglish
Pages (from-to)479-482
Number of pages4
JournalAmerican Journal of Clinical Oncology: Cancer Clinical Trials
Issue number5
Publication statusPublished - Oct 1 2015


  • Abiraterone acetate
  • Cardiovascular comorbidities
  • Castration-resistant prostate cancer
  • Safety

ASJC Scopus subject areas

  • Oncology
  • Cancer Research


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