Partial response of liver metastases treated with abiraterone in castration-resistant prostate cancer: A case report

Ilaria Marech, Angelo Vacca, Nicola Sivestris, Antonio Gnoni, Vito Lorusso

Research output: Contribution to journalArticlepeer-review

Abstract

Docetaxel is the current first-line treatment for castration-resistant prostate cancer (CRPC), following failure to respond to maximal androgen blockade (MAB). Patients who fail to respond to docetaxel may receive cabazitaxel or abiraterone; however, there are no recommendations on which of these two agents should be used first. Here, we present a case of a male patient suffering from CRPC with liver and lymph node metastases, in which abiraterone achieved a partial response, according to RECIST criteria. In the literature, visceral involvement in patients with advanced prostate cancer is an infrequent occurrence; it affects 18-22% of patients. In the pivotal study concerning docetaxel-resistant patients, abiraterone was compared with a placebo and the forest plot for survival demonstrated that patients with visceral involvement have significantly benefited from abiraterone. In the TROPIC trial comparing cabazitaxel with mitoxantrone, the proportion of patients with visceral disease was ~25% in both arms and there was no difference in overall survival in this subgroup of patients. In our case, we observed a significant activity of abiraterone in lymph node and liver metastases. If confirmed in large studies, this observation may raise concerns over whether to treat patients suffering from CRPC and visceral metasis with chemotherapy or hormone therapy.

Original languageEnglish
Pages (from-to)1877-1880
Number of pages4
JournalOncology Letters
Volume5
Issue number6
DOIs
Publication statusPublished - Jun 2013

Keywords

  • Abiraterone
  • Castration-resistant prostate cancer
  • Hormonal treatment
  • Visceral metastases

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

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