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Prostate Cancer, Castration-Resistant Prostate Cancer (CRPC), Radium-223 Dichloride Injection for Bone Metastasized Prostate Cancer
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作者 Chamini Kumari Hemathilaka Wijelath Achchillage Chuanchuan Ren 《Journal of Cancer Therapy》 2023年第11期429-442,共14页
Purpose: The purpose of this paper is to discuss the most important facts about prostate cancer, its treatments and efficacy, the type of prostate cancer that does not improve with hormonal therapy (Castration-Resista... Purpose: The purpose of this paper is to discuss the most important facts about prostate cancer, its treatments and efficacy, the type of prostate cancer that does not improve with hormonal therapy (Castration-Resistant Prostate Cancer-CRPC), and the recently approved Radium-223 dichloride targeted therapy for CRPC that has metastasized to bones. Prostate cancer is the third most common malignancy diagnosed worldwide and the most common malignant disease in men. Also, the incidence of prostate cancer varies between regions. So it’s important to have a proper understanding of all above points to prevent the further development and spread of cancer and improve the cure rate. Design: The paper begins by discussing what prostate cancer is, the risk factors, clinical manifestations, and the treatments for prostate cancer. It covers the clinical manifestations, pathology, screening (cancer biomarker Prostate Specific Antigen, Digital Rectal Examination—DRE, prostate biopsy, and imaging) and treatments for prostate cancer. The paper then delves into the main treatment methods for prostate cancer, including how Castration-Resistant Prostate Cancer (CRPC) differs from normal prostate cancer after hormone suppression therapy. Additionally, it discusses the effectiveness of the recently introduced Radium-223 dichloride injection as a radiation-targeted therapy for treating CRPC that has metastasized to bones. This section covers the properties of radium-223 dichloride injection, its pharmacokinetics, pharmacodynamics, absorption and volume of distribution, half-life, metabolism, route of elimination, clearance, toxicity, adverse effects, and mechanism of action at the tumor site. It also discusses preclinical studies related to radium-223 dichloride injection and its effectiveness in treating CRPC patients with bone metastasis. Conclusion: Prostate cancer is a common cancer that can be treated with surgery or hormonal therapy. However, if the cancer progresses despite hormonal therapy, Radium-223 dichloride injection ca 展开更多
关键词 Prostate Cancer Castration-Resistant Prostate Cancer radium-223 dichloride
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治疗去势抵抗性前列腺癌伴骨转移的新型药物——二氯化镭 被引量:4
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作者 李海元 花晨朝 +2 位作者 陶瑞雨 蔡忠林 周逢海 《中国新药与临床杂志》 CAS CSCD 北大核心 2016年第5期318-321,共4页
二氯化镭作为一种新型的放射药物,其放射α射线可在较短的距离输出一种较高的能量,并选择性破坏前列腺癌骨转移组织。临床试验证明二氯化镭可有效改善患者的总生存期,并推迟第一次骨相关性不良事件的发生时间,因此2013年5月美国食品和... 二氯化镭作为一种新型的放射药物,其放射α射线可在较短的距离输出一种较高的能量,并选择性破坏前列腺癌骨转移组织。临床试验证明二氯化镭可有效改善患者的总生存期,并推迟第一次骨相关性不良事件的发生时间,因此2013年5月美国食品和药物管理局批准其治疗去势抵抗性前列腺癌伴骨转移的患者。本文综述二氯化镭治疗去势抵抗性前列腺癌伴骨转移的研究进展。 展开更多
关键词 二氯化镭 前列腺肿瘤 肿瘤转移 临床试验
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PSMA/^(18)F-FDG PET显像在前列腺癌骨转移^(223)Ra治疗中的应用体会
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作者 胡桂兰 田健 +3 位作者 李永强 纪志刚 霍力 陈永辉 《协和医学杂志》 CSCD 2023年第4期787-794,共8页
目的分享前列腺特异性膜抗原(prostate specific membrane antigen,PSMA)和/或^(18)F-氟代脱氧葡萄糖(^(18)F-fluoroodexyglucose,^(18)F-FDG)正电子发射断层显像(positron emission tomography,PET)在前列腺癌(prostate cancer,PCa)骨... 目的分享前列腺特异性膜抗原(prostate specific membrane antigen,PSMA)和/或^(18)F-氟代脱氧葡萄糖(^(18)F-fluoroodexyglucose,^(18)F-FDG)正电子发射断层显像(positron emission tomography,PET)在前列腺癌(prostate cancer,PCa)骨转移患者氯化镭-^(223)(radium-^(223) dichloride,^(223)Ra)治疗中的应用心得,以期为国内开展^(223)Ra治疗提供借鉴。方法本研究为描述性分析。研究对象为2021年9月—2023年1月北京协和医院因骨转移行^(223)Ra治疗的PCa患者。记录^(223)Ra治疗效果及患者生存状态,并对治疗前后骨扫描及PET显像特征(包括PSMA PET和/或^(18)F-FDG PET)进行总结。结果共入选9例接受不同针次^(223)Ra治疗的PCa患者(另外2例拟行^(223)Ra,因基线PET显像检出存在内脏转移而排除),包括8例转移性去势抵抗性前列腺癌患者,1例转移性激素敏感性前列腺癌患者。9例患者共接受36针^(223)Ra治疗,其中6针、5针、4针、2针、1针治疗者分别为3例、1例、2例、2例、1例;治疗中期或治疗结束时,部分缓解1例,病情稳定1例,疾病进展6例,余1例于1针^(223)Ra治疗后转为内分泌治疗,未进行疗效评估。截至末次随访时(2023年3月15日),9例患者中,死亡4例(1例死因为心力衰竭,3例为疾病进展),存活5例。死亡或疾病进展患者的基线PET显像所示的转移灶与骨扫描图像存在不一致性,前者可发现更多的骨转移灶;在治疗过程中PET显像可更精准地进行病情评估,尤其PSMA PET显像可避免因骨闪烁现象导致治疗效果评价不准确的现象。结论PSMA PET和/或^(18)F-FDG PET显像可检出内脏转移灶,辅助临床进行^(223)Ra治疗病例筛选,且基线PSMA PET和/或^(18)F-FDG PET显像特征与骨扫描结果存在不一致时,提示^(223)Ra治疗效果可能较差;在治疗过程中,相较于骨扫描,PSMA PET和/或^(18)F-FDG PET显像(尤其PSMA PET)对疗效的评价更为准确。 展开更多
关键词 前列腺癌 ^(223)Ra 前列腺特异性膜抗原 氟代脱氧葡萄糖
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