Is Prostate Cancer Changing?

被引:30
|
作者
Doctor, Stephanie M. [1 ]
Tsao, Che-Kai [1 ]
Godbold, James H. [1 ]
Galsky, Matthew D. [1 ]
Oh, William K. [1 ]
机构
[1] Icahn Sch Med Mt Sinai, Tisch Canc Inst, Div Hematol & Med Oncol, New York, NY 10029 USA
关键词
castration-resistant prostate cancer; metastasis; visceral; lymph node; bone; liver; lung; patterns; METASTATIC PATTERNS; PATHOGENESIS;
D O I
10.1002/cncr.28494
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
BACKGROUNDMetastatic castration-resistant prostate cancer (mCRPC) most commonly metastasizes to the bone, and less commonly to nonosseous sites (eg, lymph nodes, liver, lung). With new therapies extending survival in mCRPC, it was hypothesized that the pattern of metastases is changing over time. The pattern of metastatic disease was evaluated in men with mCRPC, as reported in baseline characteristics of prospective clinical trials over 2 decades. METHODSThis study identified all phase 2 and 3 therapeutic studies in men with mCRPC in PubMed and American Society of Clinical Oncology abstracts from 1990 to 2012. Studies were excluded if they did not report demographic data and sites of metastasis, or excluded patients with a specific site of metastatic disease (except brain). For each type of metastasis, weighted least squares linear regression models were used to evaluate temporal trends. RESULTSA total of 290 eligible studies (270 phase 2 studies and 20 phase 3 studies) involving 19,110 patients were identified. Between 1990 and 2012, the rate of nonosseous metastasis increased significantly at 1.6% per year (P<.0001), whereas the rate of osseous metastasis decreased at 0.5% per year (P<.0001). The rate of lymph node metastasis increased at 1.4% per year (P<.0001), but the rate of liver and lung metastasis remained relatively stable. CONCLUSIONSA notable change was found in the pattern of metastasis in patients with mCRPC. Because these evolving patterns may have important implications in treatment selection and prognosis, it is crucial that future clinical trials of patients with mCRPC define patients with a uniform reporting of nonosseous metastasis. Cancer 2014;120:833-839. (c) 2013 American Cancer Society. The evolving patterns of metastatic disease in mCRPC are an important and understudied phenomenon that have important implications in treatment selection and prognosis of this lethal disease. Our study showed a significant increase in the rate of non-bone metastasis, and significant decrease in the rate of bone metastasis in phase II and III clinical trials of men with mCRPC from 1990-2012. It is crucial that future clinical trials of patients with mCRPC define patients with a uniform reporting of non-osseous metastasis. This will ensure that future studies yield truly accurate results in assessing the pipeline of new therapies that is now entering clinical testing.
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收藏
页码:833 / 839
页数:7
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