新型PET管氧显像剂18F--HX4的临床研究教学文稿.docx
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1、此文档收集于网络,如有侵权请联系网站删除复口J人学硕士学位论文中文摘要新型PET乏氧显像剂18FmHX4的临床研究第一部分新型PET乏氧显像剂18FmHX4的 制备及临床应用安全性评价【摘要】 目的:评价新型PET乏氧显像剂18FHX4的标记方法,并观 察其临床应用安全性。材料与方法:本研究方案经复旦大学附属华山医 院伦理委员会批准,检查前均征得患者知情同意,并签署知情同意书。 以新型硝基咪唑类化合物标记前体HX4(4一(2一硝基一1H一咪唑基)甲基1H1,2,3三唑3(2硝基苯磺酰氧基)丙醇乙酯)为原料,通过博F离 子亲核取代反应标记,最终产物博FHX4用标准品坤FHX4在HPLC下 对照确
2、认,记录标记次数及每次的标记率和产率。2009年6月至2010 年1月16例肿瘤患者入组本研究。所有患者行18FHX4 PETCT显像, 分别于FHX4注射后90min及120min进行图像采集,观察18FHX4 的临床应用安全性及图像质量。结果:共进行18FHX4标记15次,标 记时间约为55min,平均产率为25士5(EOS);质量控制结果均在正常 范围内。16例患者注射”FHX4后均未出现任何不良反应。显像清晰, 18FHX4能选择性地浓聚于肿瘤组织内。结论:18FHX4标记方法可靠、 方便,HX4临床应用安全,显像清晰,并能选择性地在肿瘤内浓聚,为 进一步临床研究打下了坚实的基础。【关
3、键词】18F-HX4;放射性核素标记:安全性;PET;肿瘤乏氧【中图分类号】R8第二部分新型PET乏氧显像剂18FHX4的 肿瘤乏氧显像评价【摘要】目的:对比新型PET乏氧显像剂18F-HX4与传统PET乏氧显 像剂18F-FMISO在恶性肿瘤患者的PETCT显像,并与内源性乏氧标志 物CA IX的表达水平进行相关性分析,评价18F-HX4作为PET乏氧显此文档仅供学习和交流复旦大学硕士学位论文像剂的乏氧检测能力。材料与方法:2009年6月至2010年1月16例行18FHX4 PETCT乏氧显像的患者入组本研究。所有患者于F-HX4 PETCT显像第二天行FFMISO PETCT显像。其中10
4、例择日行手术, 手术切除肿瘤送病理科作CA IX免疫组化染色和表达分析。比较FHx4及博FFMISO显像SUVmax与TM值,并分别与CA IX表达 水平进行相关性分析。结果:18FHX4与18F-FMISO显像均表现为9例 (11个病灶)显像阳性,7例(9个病灶)显像阴性。11个阳性病灶”F-HX4 90min及120min显像的SUVmax及TM值分别为13l士033、156士042 (90min)、129士037、167士032(120min)。FFMISO 120min显像 的SUVmax及TM值分别为173士041、200士065。CA IX免疫组化染 色分析,10位患者的11个标本
5、中总阳性表达率为818,表达()(+) (+)(+)者分别为2、3、3、3例。比较MFHX4 90rain显像与120rain显像,SUVmax、TM值间的差异均无统计学意义(t=0762,p=0466; t=1771,p=0110)。”FFMISO显像的SUVmax及TM值均高于 18FHX4。”FHX4显像SUVmax与CA IX表达水平高度相关,18FFMISO显像的SUVmax与CA IX表达水平中度相关,两者的TM 值均与CA IX表达水平无显著相关性。结论:18FHX490min显像与 120min显像无显著差异,18FFMISO显像SUVmax及TM值高于 ”FHX4,但18FH
6、X4显像与CA IX表达水平关系更密切,18FHX4可 作为PET乏氧显像剂应用于肿瘤乏氧显像,比18F-FMISO更真实反应 肿瘤乏氧情况。【关键词】18F-HX4;18F-FMISO;PET;CA IX;肿瘤乏氧【中图分类号】R8第三部分18F-FDG与肿瘤乏氧检测【摘要】 目的:分析18F-FDG显像与乏氧显像及CA IX表达水平的相 关性,探讨18FFDG显像与乏氧显像及肿瘤乏氧的关系,评价18F-HX4 的临床应用价值。材料与方法:2009匀z 6月至2010年1月12例行18F-HX4 及1 8FFMISO PETCT乏氧显像的患者于第三天行1 8FFDG PETCT显 像。其中7
7、例患者,显像后择同行手术。分析18F-FDG显像SUVmax3复旦人学硕_Jj学位论文与18F。HX4、储F-FMISO显像SUVmax、TM值的相关性及其与CA IX 表达水平的相关性。结果:”F-FDG显像,12例患者的16个病灶均表 现为阳性,SUVmax平均值为1174+571。FFDG显像SUVmax与 18F-HX4、MF-FMISO显像的SUVmax、TM值以及CA IX表达水平无 明显相关性。结论:培FFDG PET显像不能特异性反映肿瘤乏氧情况, 与18FHX4联合应用,能够提供更完整的肿瘤信息。【关键词l坶F-HX4;1 8FFDG;PET;CA IX;肿瘤乏氧【中图分类号
8、】R84复旦大学硕士学位论文Engl ish AbstractThe ClinicaI Research onA New Hypoxia Tracer18FHX4Part IThe Radiolabeling and Clinical SafetyEvaluation of 18FHX4Purpose:Evaluation the radiolabelation method and clinical safety of1sFHX4MaterialsandMethods:Use thenew nitroimidazole compound,HX4,asprecursor,Fradiolabel
9、ledvianucleophilicsubstitution,The final product,F-HX4,was comfirmed by comparisonwith standard 1 9FHX4 under HPLCTimes of radiolabelation, radiolabeling efficiency and productivity of each time were recorded16 cases of tumor patient from June 2009 to January 20 1 0 were enrolled inAlllthe patients
10、underwent the 8F-HX4 PETCT scan and informed consentswere signed in advanceImages were acquired 90min and 1 20min after11inj ection of 8F-HX4 respectivelyObserve the clinical safety 8F-HX4 andimage quality of 18F-HX4 PETCTResults:18F-HX4 was radiolabeled 15 times totallyThe retention time of radioac
11、tive peak ofF-HX4 was consistent with the UV peak of standard 1 9FHX4Radiochemical purity 98and specific activity500GBqm01Quality control results were all wimin the normal rangeNo adverse reaction was observed after inj ection among all the 1 6 patientsThe images acquired were clear which show that
12、18FHX4 accumulated in tumor tissue selectivelyConclusion:Theradiolabelationmethod of埔FHX4 was reliableconvenientThe application of 18F-HX4 is clinical safeKey words:18F-HX4,radiolabel,clinical safety,PET,tumor hypoxia Chinese book cIassificatiOn code:R85复旦人学硕1:学位论文Part l|Evaluation of 18FHX4 as A Ne
13、w PET hypoxia ImagingPurpose:Compare博FHX4 with traditional PET hypoxia imaging agent, 博FFMISO and compare both of the imaging agent with the endogenous hypoxia markers,CA IX to evaluate the clinical application of埔F-HX4 Materials and Methods:The 16 patients undergoing哺FHX4 PETCT in1Part I underwent
14、8F-FMISO PETCT the second dayTen Of the 1 6 patientshad surgery later and the tumor resctions were sent to pathology laboratory for immunohistochemical analysis of CA IX expressionCompare the SUVmax and TM of 18F-HX4 and博F-FMISOCorrelation analyses between the imaging agents and CA IX were done resp
15、ectivelyResults:In both 18FHX4 and 18FFMISO PETCT,lesions of seven patients show negative and lesions of the other nine patients show positiveWhile in18F-HX4 PETCT the average SUVmax and TM at 90min and 120min ofthe 1 1 positive leisions were 13 1士033,156 4-042(90min)and 129 4- 037,167士O32(120min),t
16、he average SUVmax and TM at 120min in 18F-FMISO were 173+04 1,200土065The immunohistochemical analysis of CA IX expression showed the positive rate was 8 1。8for 1 1 leisions from 10 patients and the numbers of(-),(+),(+),(+)were 2,3,3,3 separatedlyThere was no significant difference between the image
17、s1acquired at 90 min and at 1 20min after injection of 8F-HX4(t=0762,p=0。466:tI771,p-01 1 0)The average SUVmax and TM ofFFMISO1were higher than those of陪F-HX4The SUVmax of 8F-HX4 was highlycorrelated with CA IX expression and that of 18F-FMISO was moderately correlated with CA IX expressionThe TM of
18、 both the imaging agents were not correlated with CA IX expressionConclusion:Although the SUVmaxand TM of 18F-FMISO were higher than those of 18F-HX4the correlation11between 8F-HX4 and CA IX was higher than that between 8FFMIO andCA IXFHX4 can be used as a hypoxia imaging agent which may beIbetter t
19、han sFFMISOKey words:18F-HX4:18F-FMISO;PET;CA IX:tumor hypoxiaChinese book cIasslficatiOn code:R86复旦大学硕士学位论文Part18FFDG and Tumor Hypoxia andAssessment of Tumor HypoxiaPurpose:Compare 18F-FDG with 18F-HX4 and CA IXAnalyze the relationship among 18F-FDG,18F-HX4 and CA IX expressionMaterials1and Method
20、s:12 ofthe 16 patients undergoing 8F-HX4 PETCT in Part I1underwent 8F-FDG PETCT the third daySeven of the 1 2 patients had1surgeryAnalyze the correlation of SUVmax of 8F-FDG with SUVmax andTM ofFHX4 for all the 1 2 patientsFor those that had surgery,also analyze the correlation between SUVmax of 18F
21、-FDG and CA IX expression Results:16 leisions from 12 patients all show 18F-FDG uptake and the average SUVmax was 1 1744-571Significant correlation was found neither11between 8FFDG and 8FHX4nor between 18FFDG and CA IXexpressionConclusion:博FFDG cannot reflect the situation of tumour hypoxiaCombined
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