Statin use and survival in patients with metastatic castration-resistant prostate cancer treated with abiraterone acetate or enzalutamide. Conference Paper uri icon

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  • e16503 Background: Statins have been associated with favorable effects in various solid malignancies. In prostate cancer, statins may synergize with novel anti-androgen agents enzalutamide and abiraterone via pharmacokinetic interactions and by decreasing substrate availability for androgen de-novo biosynthesis. Methods: Medical records of patients with metastatic castration-resistant prostate cancer (mCRPC) between September, 2011 and August, 2016 were reviewed at multiple participating centers. Results: 187 men received abiraterone, while 129 received enzalutamide. Patients treated with enzalutamide had a more advanced disease, with a median overall survival (OS) of 7.8 vs. 18 months in the abiraterone cohort. In the abiraterone cohort, statin use was a statistically significant prognostic factor for longer OS (HR = 0.40, 95% CI = 0.27 to 0.59, p < 0.001) and statin users vs. non users had greater 30% PSA declines rates at 12 wks(77.9 vs. 52.9%, p < .01) In the enzalutamide cohort, statin use was not prognostic for survival or PSA declines. Conclusions: Our study suggests a prognostic effect of statins plus abiraterone but not enzalutamide for mCRPC. The mechanism of this interaction warrants elucidation but may include enhancing the anti-tumor activity of abiraterone as well as cardioprotective effects. [Table: see text]


  • Buonerba, Carlo
  • Sonpavde, Guru
  • Pond, Gregory
  • Pagliuca, Martina
  • Rossetti, Sabrina
  • Facchini, Gaetano
  • Scagliarini, Sarah
  • Daniele, Bruno
  • Federico, Piera
  • Morelli, Franco
  • Cartenì, Giacomo
  • Ferro, Matteo
  • Lucarelli, Giuseppe
  • Bellelli, Teresa
  • De Placido, Sabino
  • di Lorenzo, Giuseppe

publication date

  • May 20, 2017