BJC:奥曲肽LAR对神经内分泌肿瘤的抗增殖活性研究

2016-11-12 MedSci MedSci原创

小型回顾性研究和前瞻性III期试验(PROMID)已经证实了奥曲肽LAR对神经内分泌肿瘤(NETs)的抗增殖活性。不过关于持续时间和预测的数据是有限的。这项回顾性研究的目的是,确定疾病出现放射学进展的时间(TTRP),以及与更好反应有关的因素。 共有254例未经治疗的晚期NETs患者,生长抑素受体显像阳性。平均随访时间为42个月。 原发部位为小肠有204例、胰腺22例、肺14例、直肠7

小型回顾性研究和前瞻性III期试验(PROMID)已经证实了奥曲肽LAR对神经内分泌肿瘤(NETs)的抗增殖活性。不过关于持续时间和预测的数据是有限的。这项回顾性研究的目的是,确定疾病出现放射学进展的时间(TTRP),以及与更好反应有关的因素。

共有254例未经治疗的晚期NETs患者,生长抑素受体显像阳性。平均随访时间为42个月。

原发部位为小肠有204例、胰腺22例、肺14例、直肠7例、部位不明7例。大多数肿瘤分化良好,G1 (58%)和G2 (23%)。

由于功能性症状(57%)、影像学进展(10%)或无症状和疾病稳定(18.5%),大多数患者开始奥曲肽LAR治疗。5%的患者出现部分响应。

所有患者的中位TTRP为37个月(95% CI: 32–52个月)。胰腺肿瘤、肝转移和中间级肿瘤患者的TTRP存在统计学上的显著缩短。

基线嗜铬粒蛋白A水平升高(> 正常上限10倍)与不良预后相关。

相比之下,男性、类癌性心脏病、在病情稳定时开始治疗,是更好预后的预测因素。年龄、肝外转移、肠系膜结缔组织增生、既往切除和原发肿瘤的功能状态不会影响肿瘤的反应。

奥曲肽LAR的抗增殖效应的持续时间似乎比先前报道的时间要长。

原始出处:


Faidon-Marios Laskaratos1, Martin Walker2, Keval Naik1, Emmanouil Maragkoudakis1, Nikolaos Oikonomopoulos1.Predictive factors of antiproliferative activity of octreotide LAR as first-line therapy for advanced neuroendocrine tumours.British Journal of Cancer advance online publication 3 November 2016;

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