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

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.

journal_name

Oncol Lett

journal_title

Oncology letters

authors

Marech I,Vacca A,Sivestris N,Gnoni A,Lorusso V

doi

10.3892/ol.2013.1275

subject

Has Abstract

pub_date

2013-06-01 00:00:00

pages

1877-1880

issue

6

eissn

1792-1074

issn

1792-1082

pii

ol-05-06-1877

journal_volume

5

pub_type

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