Novel Molecular Targets for the Therapy of Castration-Resistant Prostate Cancer

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• 作者：Neeraj Agarwal^a ; Guru Sonpavde^b ; ^c ; Cora N. Sternberg^d ; ^{cstern@mclink.it}
• 关键词：Prostate cancer ; Molecular targets ; Biologic agents ; Immunotherapy ; Androgen pathway inhibitors ; Androgen receptor ; Chemotherapy ; Skeletal-related events
• 刊名：European Urology
• 出版年：2012
• 期刊代码：289_03022838
• 类别：med
• 出版时间：May, 2012
• 卷：61
• 期：5
• 页码：950-960
• 文件大小：595 K

摘要

Context

Improved understanding of mechanisms underlying metastatic castration-resistant prostate cancer (mCRPC) progression has led to the recognition of multiple molecular targets and advances in the therapeutic landscape. The addition of abiraterone acetate, sipuleucel-T, cabazitaxel, and denosumab to the therapeutic armamentarium and the impending addition of MDV-3100 and radium-223 underscore the importance of androgen pathway inhibition, immunotherapy, tubulin antagonism, and pathophysiology of bone metastasis.

Objective

Review the next generation of molecular targets in mCRPC.

Evidence acquisition

Medline databases were searched for >100 original articles published as of October 18, 2011, with the search terms metastatic castration-resistant prostate cancer, targeted therapy, biologic agents, and immunotherapy. Proceedings from the last 5 yr of conferences of the American Society of Clinical Oncology, American Urological Association, European Society of Medical Oncology, and the European Association of Urology were also searched. We included novel and promising drugs that have reached clinical trial evaluation.

Evidence synthesis

The major findings were addressed in an evidence-based fashion. Prospective trials and important preclinical data were analyzed.

Conclusions

mCRPC is a disease with multiple molecular drivers. Molecular pathways being targeted in ongoing phase 3 trials are androgen signaling (MDV3100, TAK700), immunoregulatory pathways (ipilimumab, Prostvac-VF-TRICOM), Src (dasatinib), Met (cabozantinib), clusterin (custirsen), and angiogenesis (aflibercept, tasquinimod). The strides made in identifying multiple other novel molecular targets offer potential opportunities for further improving outcomes.