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Targeted radiotherapy with radiolabeled somatostatin analogs.

机译:使用放射标记的生长抑素类似物进行靶向放疗。

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摘要

Targeted radiopeptide therapy with (90)Yttrium- or (177)Lutetium-labeled somatostatin analogs has been proven to improve significantly quality of life and survival in patients suffering from metastatic or unresectable neuroendocrine tumors (NETs). Roughly 25% of patients achieve partial remission; progression-free survival is estimated to be 30 to 40 months. A wide range of protocols using different somatostatin analogs, isotopes, injected activity per cycle of administration, and number of cycles are reported. More patient-based therapy protocols are under development, taking into consideration the complexity of NET cell biology, dosimetric issues, and the availability of different radiolabeled analogs. This article reviews the effectiveness and safety of the different protocols and discusses several clinical algorithms used in an attempt to optimize targeted radiopeptide therapy.
机译:事实证明,使用(90)钇或(177)so标记的生长抑素类似物进行靶向放射肽疗法可显着改善患有转移性或不可切除的神经内分泌肿瘤(NETs)的患者的生活质量和生存率。大约25%的患者达到部分缓解;无进展生存期估计为30到40个月。据报道,使用不同的生长抑素类似物,同位素,每个给药周期的注射活性和周期数的方案广泛。考虑到NET细胞生物学的复杂性,剂量学问题以及不同放射性标记类似物的可用性,正在开发更多基于患者的治疗方案。本文回顾了不同方案的有效性和安全性,并讨论了用于优化靶向放射性肽治疗的几种临床算法。

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