Clin Cancer Res:他达拉非能增加头颈部鳞癌患者的肿瘤特性免疫

2015-01-30 MedSci MedSci原创

目的:明确磷酸二酯酶5(PDE5)能否通过阻断髓源性抑制细胞(MDSC)进而增加头颈部肿瘤患者的免疫功能。 试验设计:我们做了一个随机的、前瞻性的、双盲的、有安慰剂对照的II期临床试验,用以明确PDE5抑制剂对于头颈部鳞癌患者免疫功能的作用。 结果:他达拉非增加了患者的免疫反应。相对于对照组的1.1倍,他达拉非组使患者体内T细胞扩增了2.4倍(P=0.01)。同时他达拉非使患者体内的外周MDS

目的:明确磷酸二酯酶5(PDE5)能否通过阻断髓源性抑制细胞(MDSC)进而增加头颈部肿瘤患者的免疫功能。

试验设计:我们做了一个随机的、前瞻性的、双盲的、有安慰剂对照的II期临床试验,用以明确PDE5抑制剂对于头颈部鳞癌患者免疫功能的作用。

结果:他达拉非增加了患者的免疫反应。相对于对照组的1.1倍,他达拉非组使患者体内T细胞扩增了2.4倍(P=0.01)。同时他达拉非使患者体内的外周MDSC减低至0.81倍,而对照组使患者体内的外周MDSC增至1.26倍(P=0.001)。通过检测迟发型超敏反应,他达拉非增加了机体的免疫力(P=0.002)。他达拉非组患者机体内的针对头颈部鳞癌细胞溶解产物的肿瘤特异性免疫反应被扩大了(p=0.04)。

结论:这些发现表明了他达拉非能扩增头颈部鳞癌患者的普通的和肿瘤特异性免疫,在头颈部鳞癌患者中有治疗潜力。逃避免疫监督和全身及肿瘤特异性免疫的镇压是头颈部鳞癌发生发展的一大显著特征。这项研究表明,PDE5抑制剂—他达拉非,可以逆转头颈部肿瘤患者的肿瘤特异性免疫,是有潜力的治疗方法。

原始出处

Califano JA1, Khan Z2, Noonan KA3, Rudraraju L3, Zhang Z4, Wang H4, Goodman S4, Gourin CG2, Ha PK5, Fakhry C5, Saunders J6, Levine M7, Tang M8, Neuner G8, Richmon JD2, Blanco R6, Agrawal N2, Koch WM2, Marur S3, Weed DT9, Serafini P10, Borrello I11.Tadalafil augments tumor specific immunity in patients with head and neck squamous cell carcinoma.Clin Cancer Res. 2015 Jan 1

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    2015-02-01 wshxjq
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    2015-01-31 139.227.156.**

    鳞癌从目前来看主要寄免疫希望了

    0

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