医学交流课件:纳米刀的治疗进展.ppt
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1、纳米刀的治疗进展纳米刀的治疗进展 内容大纲内容大纲一、一、IRE IRE 作用机制及优势作用机制及优势二、国际二、国际临床前研究临床前研究及临床研究进展及临床研究进展三、中国三、中国CFDACFDA准入美国准入美国IREIRE设备设备四、四、IREIRE临床肿瘤消融应用举例临床肿瘤消融应用举例五、五、IREIRE治疗的并发症及不良反应治疗的并发症及不良反应六、经验总结及病例讨论六、经验总结及病例讨论七、在研项目简介七、在研项目简介HOW IS IRE DIFFERENT?v Predominantly “non-thermal”v Spares collagenous skeletonv In
2、tact adventitia & lamina visible at 2 days with no smooth muscle cells presentv Smooth muscle in the media is repopulated at 2 weeksv Endothelium in the intima largely repopulates at 2 days目前使用的IRE 装置是美国AngioDynamics 公司制造的NanoKnife 系统。该系统已接受美国FDA上市前通告,并享受FDA的临床试验器械豁免,用于临床试验。IRE设备及配件设备及配件电流可直接刺激神经肌肉接
3、点,引起强力肌肉抽搐,因此治疗时需全身麻醉,使用肌松剂。电流可刺激心脏,引起心律失常。应用心电同步激发,可避免此种并发症。如果组织内电导率不均匀(如肺),IRE消融可能产生不均质性。Sync device (e.g. AccuSync 72) senses the rising slope of the R-wave, and sends a signal to the NanoKnife. The NanoKnife waits 50 milliseconds (.05 sec) and delivers 1 energy pulse. The energy pulse is deliver
4、ed during (or just before) the ventricular refractory period.IRE术中运用心电同步技术术中运用心电同步技术采用心电同步采用心电同步IRE消融技术,在绝对消融技术,在绝对不应期释放电脉冲不应期释放电脉冲可避免显著的心律可避免显著的心律失常失常Deodhar A, Dickfeld T, Single G W, et al. Irreversible electroporation near the heart: ventricular arrhythmias can be prevented with ECG synchronizat
5、ionJ. AJR Am J Roentgenol, 2011, 196 (3):W330-335.二、二、临床前临床前实验实验研究研究 实验的靶组织有肝、肾、胰腺、前列腺、肺、实验的靶组织有肝、肾、胰腺、前列腺、肺、心脏、骨和头颈部心脏、骨和头颈部等;等; 动物实验研究显示动物实验研究显示IREIRE消融消融具有具有安全性和有效安全性和有效性性肝组织肝组织IRE消融后病理学改变消融后病理学改变ABB细胞发生凋亡细胞发生凋亡1 Lee E. W., Thai S., Kee S. T. Irreversible electroporation: a novel image-guided can
6、cer therapyJ. Gut Liver, 2010, 4 Suppl 1:S99-S104.边界清晰,血管、胆管边界清晰,血管、胆管结构保存完整;结构保存完整;表现为核固缩、核破裂表现为核固缩、核破裂;1 Lee E. W., Thai S., Kee S. T. Irreversible electroporation: a novel image-guided cancer therapyJ. Gut Liver, 2010, 4 Suppl 1:S99-S104.IRE消融区在术中及术后即刻实时可见消融区在术中及术后即刻实时可见ACB超声超声CTMRI(A)超声能实时监测IRE。
7、IRE消融区显示低回声区。(B)肝增强CT显示延迟相消融区低密度,周围呈增强影。(C)使用对比剂脂肪饱和T1加权MR也能显示IRE消融区,表现为消融区轻度增强1 Charpentier K. P., Wolf F., Noble L., et al. Irrevrsible electroporation of the pancreas in swine: a pilot studyJ. HPB (Oxford), 2010, 12 (5):348-351.胰腺消融后出血、胰腺消融后出血、水肿水肿胰腺消融后,胰腺消融后,腺泡组织受破腺泡组织受破坏,保留血管、坏,保留血管、胰管胰管胰腺胰腺IRE
8、消融后病理学改变消融后病理学改变2424小时后腺小时后腺体明显出血体明显出血2424小时后尿道粘膜下出血严重,小时后尿道粘膜下出血严重,结构仍然完整结构仍然完整2 2周后周后,神经血管束神经血管束的的血管和神血管和神经干都未出现坏死经干都未出现坏死前列腺前列腺IRE消融后病理学改变消融后病理学改变二、二、 IRE临床研究进展临床研究进展 胰腺癌的胰腺癌的IREIRE; IREIRE在肝肿瘤治疗中的应用;在肝肿瘤治疗中的应用; 前列腺癌的前列腺癌的IREIRE消融;消融; 肾癌的肾癌的IREIRE消融消融 IRE治疗胰腺癌的局部复发率和无进展生存期ReferenceTumor typenFoll
9、ow-up time(months)Local recurrence rates(%)PFS(months)Narayanan G, et alLAPC/M11/35.5-14Martin R C, et alLAPC541527.8%14Martin R C, et alLAPC2730%-Dunki-Jacobs E M, et alLAPC652326.2%5.5(recurrence)/12.6(no recurrence)note:M means metastatic pancreatic cancer ;LAPC means Locally advanced pancreatic
10、cancer; 胰腺癌的不可逆电穿孔消融胰腺癌的不可逆电穿孔消融a:IRE术前;术前;b:IRE7天后显示病灶水肿;天后显示病灶水肿;c:3月后显示病灶无活性。月后显示病灶无活性。A.IRE消融后腹腔干开放;消融后腹腔干开放;B.肿瘤包绕血管情况改善肿瘤包绕血管情况改善international researchFIG. 1 Overall survival of the 54 patient with LAP treated with IRE and standard chemotherapy and/or radiation therapy versus the 85 patients t
11、reated with just chemotherapy and/or radiation therapy aloneIRE联合放化/疗组较放/化疗组有效延长局部进展性胰腺癌患者生存期 (20.2 vs. 11 months, p = 0.03)1.Martin R C, 2nd, McFarland K, Ellis S, Velanovich V. Irreversible electroporation in locally advanced pancreatic cancer: potential improved overall survivalJ. Ann Surg Oncol,
12、 2013, 20 Suppl 3:S443-449.IRE联合放化疗治疗胰腺癌联合放化疗治疗胰腺癌不可逆电穿孔在肝肿瘤治疗中的应用不可逆电穿孔在肝肿瘤治疗中的应用作者作者肿瘤平均直肿瘤平均直径(径(cm)病例数病例数(例)(例)消融肿瘤数消融肿瘤数(个)(个)完全消完全消融率融率 (%)术式术式中位随中位随访时间访时间(月)(月)术后残留术后残留率(率(%)局部复发率(局部复发率(%)Kingham TP1.0286592.4手术(79%)/经皮(21%)61.95.7Cannan R2.74448100经皮(76.5)-2.6(3月)、5.4(6月)、40.5(12月)Cheung W2.
13、4111872经皮1827.80Eisele RM1.5131493经皮 (53.8%)/腹腔镜(30.8%)/手术(15.4%)621.421Scheffer HJ2.4101090经皮并切除-Hosein PJ2.7295897经皮225-Eller A2141886经皮12.97.117表1 IRE治疗肝肿瘤临床研究汇总international researchPre treatment 1 month postinternational research(A)CT of liver during arterial phase demonstrates an enhancing HCC
14、 in segment II (arrow). (B) CT liver during portal venous phase immediately after IRE ablation demonstrates the non-enhancing ablation zone (arrow) abutting the inferior aspect of the pericardium (black arrowheads). (C) CT of liver during portal venous phase 9 months after IRE ablation demonstrates
15、a markedly contracted, non-enhancing ablated scar in segment II (arrow). ABCinternational researchTechnol Cancer Res Treat. 2013 Jun;12(3):233-41. doi: 10.7785/tcrt.2012.500317. Epub 2013 Jan 25.1 month 1 year 15 month follow upinternational research Overview table of current data on focal therapy f
16、or prostate cancer with IRE前列腺癌的不可逆电穿孔消融前列腺癌的不可逆电穿孔消融1 Scheltema M J ,et al. Irreversible electroporation, a new modality in Focal Therapy for prostate cancer.J. Archivos espanoles de urologia, 2016, Vol.69 (6), pp.337-44。(n/m; not mentioned) 局限性前列腺癌局限性前列腺癌IRE消融安全有效消融安全有效Figure 2. Images of prostate
17、 treated with IREinternational research1 Murray K S, Ehdaie B, Musser J, et al. Pilot Study to Assess Safety and Clinical Outcomes of Irreversible Electroporation for Partial Gland Ablation in Men with Prostate CancerJ. J Urol., 2016, 196 (3):883-890.Fig. 1 Patient in lithotomy position with three t
18、ransperineally inserted electrodes under ultrasound guidance1 van den Bos W, de Bruin DM, Jurhill RR, Savci-Heijink CD, Muller BG, Varkarakis IM, et al. The correlation between the electrode configuration and histopathology of irreversible electroporation ablations in prostate cancer patients. World
19、 J Urol Internet. 2015; Epubinternational researchFig. 2 a Ultrasound image showing the three inserted electrodes. b The area within the electrode configuration is delineated. c H&E slide with the outlined ablation zone. d The ablation zone is delineated1 van den Bos W, de Bruin DM, Jurhill RR, Savc
20、i-Heijink CD, Muller BG, Varkarakis IM, et al. The correlation between the electrode configuration and histopathology of irreversible electroporation ablations in prostate cancer patients. World J Urol Internet. 2015; Epubinternational researchA). Sharp demarcation between viable and nonviable tissu
21、e. Reduced from 2.5; B).Affected neural tissue in neurovascular bundle.Reduced from 20;C).Prostatic urethra with denudation of urothelium. Reduced from 2.5AB1 van den Bos W ,et al. Histopathological Outcomes after Irreversible Electroporation for Prostate Cancer: Results of an Ablate and Resect Stud
22、y.J. The Journal of urology, 2016, Vol.196 (2), pp.552-9.Cinternational researchCEUS, T2-MRI images corresponding with histopathology section and H&E slide.1 van den Bos W ,et al. Histopathological Outcomes after Irreversible Electroporation for Prostate Cancer: Results of an Ablate and Resect Study
23、.J. The Journal of urology, 2016, Vol.196 (2), pp.552-9.international research The first in-man clinical study with IRE treatment on kidney by Pech In 2010肾癌的不可逆电穿孔消融肾癌的不可逆电穿孔消融Fig1 A view of the IRE procedure being conducted. The needle in the operators hand is a bipolar electrodeFig2 The hockey-st
24、ick curve shows the envelope of the kidney; the dark central mass is the tumour; and the slightly off- horizontal line passing through it is the electrode12Cardiovasc Intervent Radiol. 2011 Feb;34(1):132-8. doi: 10.1007/s00270-010-9964-1. Epub 2010 Aug 15.A-C:Transverse ultrasound images of prostate
25、 (dark region, dashed outline) from human trial (A) prior to electrode insertion, (B) immediately following electrode insertion, showing the four electrodes inserted as two pairs (white and black arrow pairs) with pulses delivered between dashed lines for two ablations, and (C) 35minfollowing IRE el
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