肺癌的生物靶向治疗进展精选文档.ppt
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1、肺癌的生物靶向治疗进展本讲稿第一页,共五十二页CurrentAnti-CancerApproachesSurgeryChemo-therapyRadiationHormonaltherapyTargetedtherapyRemove known tumor massesKill rapidly dividing tumor cells,including tumor cells in adjacent tissuesKill rapidly dividing tumor cellsInhibit the growth and survival of hormone-dependent tumo
2、r cellsSpecifically inhibit processes required for tumor cell growth本讲稿第二页,共五十二页Why do we need new anticancer agents?*1-year survival rateData from the EUROCARE II study80706050403020100Relative 5-yearsurvival rate(%)BreastColonKidneyLiverLung*OvaryPancreas197819801984198619871989本讲稿第三页,共五十二页What ma
3、kes an ideal therapeutic target?Present in the majority of patients with specific tumor typeCausative link with tumourigenesisEssential function in tumor cells本讲稿第四页,共五十二页Assessing novel targeted agentsTypical cytotoxicMTDOBD ToxicityAntitumoureffectEffectTargetDoseOBD MTDAdapted from Rowinsky 2000T
4、argetToxicityAntitumoureffectOBDMTDEffectOBD 2(IDEAL 2)previouschemotherapyregimensContinue gefitinib until diseaseprogression or unacceptable toxicityPrimary endpointslResponse rate(both trials)lSafety profile(IDEAL 1)lSymptom relief(IDEAL 2)IDEAL 1:platinum,1 or 2 prior regimens(n=209)IDEAL 2:plat
5、inum and docetaxel,2 prior regimens(n=216)Gefitinib Phase II studies:IDEAL 1&2 本讲稿第九页,共五十二页Tumour response:IDEAL 1&2(250 mg/day)Objective response rate=CR+PRDisease control rate=CR+PR+SDPatients(%)ObjectiveresponserateDiseasecontrolrateObjectiveresponserateDiseasecontrolrateIDEAL 1IDEAL 2Fukuoka et
6、al 2003a;Kris et al 2003本讲稿第十页,共五十二页US EAP experience in 21064 NSCLC III/IV NSCLC化疗失败或不能耐受化疗失败或不能耐受F/M 9979/11040年龄年龄67岁岁白人白人87.8%MST 5.3m1年生存年生存29.9%女性女性/东方人东方人,III期生期生存期长存期长治疗相关治疗相关SAE2.3%SAE停药停药1.1%治疗相关性死亡治疗相关性死亡0.3%IRESSA250mg/dOchs J,e tal.P ASCO 2004;A7060本讲稿第十一页,共五十二页Characterisation of tumou
7、r response 10%,irrespective of prior treatments and poor performance status(PS)250 mg/day65%of responses achieved within first 4 weeks(250 mg/day)Mean tumour reduction in patients with a partial response was 80%IDEAL 1:median 13(range 2-20+)months(250 mg/day)IDEAL 2:median 7(range 2-19+)months(250 m
8、g/day)Response rateRapidDurableSizeableFukuoka et al 2003b本讲稿第十二页,共五十二页Phase III studies:INTACT 1&2RandomiseContinue gefitinibor placebo untildisease progressionChemotherapyax 6 cycles250 mg/daygefitinib+Chemotherapyax 6 cycles500 mg/daygefitinib+Chemotherapyax 6 cyclesPlacebo+aGemcitabine/cisplatin
9、(INTACT 1 n=1093)or paclitaxel/carboplatin(INTACT 2 n=1037)Eligibility criterialHistologically/cytologically confirmed NSCLClLocally advanced stage III disease not curable with surgery or radiotherapy,or stage IV diseaselAge 18 yearslWorld Health Organization PS 0-2Johnson et al 2002;Giaccone et al
10、2002本讲稿第十三页,共五十二页Gefitinib联合健择或诺维本一联合健择或诺维本一线治疗线治疗70岁或岁或PS2NSCLC意大利多中心意大利多中心II期研究期研究对象对象:70岁岁PS0-2,可测量病灶可测量病灶方案方案:Gefitinib250mg/d,至至PDA组组:NVB30mg/m2d1,8q21dB组组:GEM1200mg/m2d1,8q21d6周期周期Scagliotti,et al.P ASCO 2004;A7081本讲稿第十四页,共五十二页IRESSA联合NVB或健择治疗70岁以及老年NSCLC-II期IRESSA+NVBIRESSA+健择健择N2435中位年龄中位年龄7
11、274PS0-19691鳞癌鳞癌1731G3/4中中72%11.4%死亡死亡3例例0CR/PR/SD1/3/70/3/13PD69MST275天天275天天PASCO A7081,2004本讲稿第十五页,共五十二页IRESSA对BAC的疗效-SWOG S0126对象对象138例例BAC(102初治初治,36二线二线)、年龄)、年龄68,女,女性性51%、PS0/186%Gefitinib500mg初治初治RR21%,CR6%;MST12月月复治复治RR10%,CR0%;MST10月月1年生存年生存50%女性生存女性生存16,男性,男性7月,月,p=.003皮疹者生存皮疹者生存12月月,无皮疹无
12、皮疹5个月个月,p=0.01P ASCO 2004;A7014本讲稿第十六页,共五十二页AssociationbetweenactivationofErbBpathwaygenesandsurvivalfollowinggefitinibinNSCLCErbB1ErbB2pMAPKNpMAPKCpAKTN pAKTCKi-67-0.0280.0580.2250.1490.1230.163ErbB10.022-0.065-0.0940.1160.105ErbB20.450*0.478*0.0770.075pMAPKN0.705*0.2010.245*pMAPKC0.030.101pAKTN0.8
13、05*68例初治例初治,31例复治例复治BAC,IHCP ASCO 2004;A7015本讲稿第十七页,共五十二页1.低低pMAPK患者生存期长患者生存期长(p=0.02),低低ErbB2和低和低pMAPK联合也预测病人对联合也预测病人对Gefitinib的反应的反应.2.ErbB1,pAKT,Ki-67水平不能预测水平不能预测Gefitinib疗效疗效本讲稿第十八页,共五十二页Association of papillary subtype of lung adenocarinoma with response to Gefitinib对象对象:术后复发肺腺癌术后复发肺腺癌36例例方法方法:
14、EGFR,p-EGFR,和和c-erbB-2IHC表达表达,WHO组织学分类组织学分类结果结果:BAC7例例,Acinar5例例,乳状状乳状状17例例实体腺癌伴有粘液实体腺癌伴有粘液7例例乳头状腺癌乳头状腺癌MST非乳头状非乳头状(p=0.03)EGFR,p-EGFR,c-erbB-2无相关性无相关性Johnson,et al P ASCO 2004;A7080本讲稿第十九页,共五十二页EAP experience in Poor PS pts with NSCLC晚期NSCLC化疗失败 82%放疗史79%PS 2 84例PS 3 13例PS3 20例M/F 72/45年龄66.9岁III/I
15、V 18/92腺癌 54%60例可评价疗效PR 3.4%,SD 38.3%治疗时间治疗时间:1月月(0-29月月)MST 2月月,1年生存年生存 15.7%CALGB9730 PS 2 NSCLC 初治患者初治患者 泰素单药泰素单药:MST 2.4月月,1年生存年生存10%P ASCO 2004;A7082本讲稿第二十页,共五十二页结论结论-IRESSA二线或三线治疗晚期不可手术二线或三线治疗晚期不可手术NSCLC疗疗效确切效确切只有少部分病人有效只有少部分病人有效,东方人东方人,女性女性,腺癌腺癌一线治疗肺泡细胞一线治疗肺泡细胞II期研究结果令人鼓舞期研究结果令人鼓舞,有待有待III期结果的
16、证实期结果的证实预测预测IRESSA疗效的生物标记目前尚未完疗效的生物标记目前尚未完全肯定全肯定本讲稿第二十一页,共五十二页Erlotinib单药二线治疗单药二线治疗NSCLC(NCICCTG)试验试验731IIIB/IV期,期,PS0-3,1-3个方案个方案中位年龄中位年龄61y;64%male;67%PS0,1.2priorregimens50%,含铂含铂93%,泰素泰素37%根据中心、分期、根据中心、分期、PS、对化疗最佳反应、化、对化疗最佳反应、化疗方案数、含铂与否进行分层疗方案数、含铂与否进行分层主要终点:主要终点:OS,次要:次要:PFS、RR、QOL、毒性、毒性Shepherd,
17、etalPASCO2004;A7022本讲稿第二十二页,共五十二页TARCEVA二线结果TarcevaN=488PlaceboN=243Hazard ratioPOS6.7m4.7m0.730.001PFS2.23m1.84m0.610.001TTDS咳4.9m3.68m0.04TTDS-dyspnea4.73m2.89m0.01TTDS-pain2.79m1.91m0.02本讲稿第二十三页,共五十二页Talent and Tribute:Study designPatients with HER1/EGFR-positive or negative,stage IIIB/IV NSCLC,R
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