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Clinical Outcomes of Castration-resistant Prostate Cancer Treatments Administered as Third or Fourth Line Following Failure of Docetaxel and Other Second-line Treatment: Results of an Italian Multicentre Study.

Abstract：

BACKGROUND:The availability of new agents (NAs) active in patients with metastatic castration-resistant prostate cancer (mCRPC) progressing after docetaxel treatment (abiraterone acetate, cabazitaxel, and enzalutamide) has led to the possibility of using them sequentially to obtain a cumulative survival benefit. OBJECTIVE:To provide clinical outcome data relating to a large cohort of mCRPC patients who received a third-line NA after the failure of docetaxel and another NA. DESIGN, SETTING, AND PARTICIPANTS:We retrospectively reviewed the clinical records of patients who had received at least two successive NAs after the failure of docetaxel. OUTCOME MEASUREMENTS AND STATISTICAL ANALYSIS:The independent prognostic value of a series of pretreatment covariates on the primary outcome measure of overall survival was assessed using Cox regression analysis. RESULTS AND LIMITATIONS:We assessed 260 patients who received one third-line NA between January 2012 and December 2013, including 38 who received a further NA as fourth-line therapy. The median progression-free and overall survival from the start of third-line therapy was, respectively, 4 mo and 11 mo, with no significant differences between the NAs. Performance status, and haemoglobin and alkaline phosphatase levels were the only independent prognostic factors. The limitations of the study are mainly due its retrospective nature and the small number of patients treated with some of the sequences. CONCLUSIONS:We were unable to demonstrate a difference in the clinical outcomes of third-line NAs regardless of previous NA therapy. PATIENT SUMMARY:It is debated which sequence of treatments to adopt after docetaxel. Our data do not support the superiority of any of the three new agents in third-line treatment, regardless of the previously administered new agent.

journal_name

Eur Urol

journal_title

European urology

authors

Caffo O,De Giorgi U,Fratino L,Alesini D,Zagonel V,Facchini G,Gasparro D,Ortega C,Tucci M,Verderame F,Campadelli E,Lo Re G,Procopio G,Sabbatini R,Donini M,Morelli F,Sartori D,Zucali P,Carrozza F,D'Angelo A,Vicario

doi

10.1016/j.eururo.2014.10.014

subject

Has Abstract

pub_date

2015-07-01 00:00:00

pages

147-53

issue

eissn

0302-2838

issn

1873-7560

pii

S0302-2838(14)01022-7

journal_volume

pub_type

杂志文章,多中心研究

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Clinical Outcomes of Castration-resistant Prostate Cancer Treatments Administered as Third or Fourth Line Following Failure of Docetaxel and Other Second-line Treatment: Results of an Italian Multicentre Study.