癌症的个体化治疗: 现实还是梦境?

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癌症的个体化治疗: 现实还是梦境?. 吴一龙 广东省肺癌研究所 广东省人民医院 广东省医学科学院 2010.05.21 上海. 2010. Sir William Osler (1849-1919). 1892 年的医学实践. 1892 年的医学实践. “ 假如个体之间没有如此大的不同,医学就是科学而不是艺术”. 目前的临床实践 – 问题多多. 选择和不选择. Lung adeno EGFR M+ : 44.1% (113/256) * Non-smoker M+ : - PowerPoint PPT Presentation

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  • 2010.05.21

  • 1892 1892

  • EGFR mutation IPD meta-analysis in Chinese NSCLCLung adeno EGFR M+44.1% (113/256) *Non-smoker M+43.3% (84/194) *Female M+42.7% (76/178) *Lung non-adeno EGFR M+ 8.9% (18/202)Smoker M+15.3% (37/242)Male M+22.8% (76/334)Wu et al, JTO 2007; 5: 430* P
  • Intron1 allele16 MST20 >16 MST11 P=0.039SNP Iressa

  • Exon 19& MET30 Exon 21 &T790M 55 Exon 19PRT790M TKI

  • TKIc-MET was amplified in 3.8% (2/53) of 25 the TKI-nave NSCLC Chen HJ, Wu YL,Pathol. Oncol. Res.2009,unpublished data

  • EGFRTKIEGFREGFR EGFR Her3c-Met kRasPTENPI3K/Akt

  • EGFR TKI

  • Comparison of PFS by mutation status within treatment armsGefitinib, HR=0.19, 95% CI 0.13, 0.26, p
  • NSCLC EGFREGFR Richard L Schilsky, ASCO

  • NSCLC Phase IIIMMP-Is FT-Is PKC-Is HDA-Is HER2 moabsCOX-2 Is P53 Gene Th.SORAFENIB VEGF TrapIGF-1R

    EGFR-TKIs - Erlotinib /Gefitinib* in 2nd-3rd line (FDA/EMEA approval)* Only for Asiatic CountriesAnti-EGFR-mABs - Cetuximab in 1st-line EGRF + (+ CT P-based)Anti-VEGF-mABs - Bevacizumab in 1st-line non Squamous (+ CT P-based)(FDA/EMEA approval)Multiple TK Is -Vandetanib -Sunitinib Proteasome IsHDACmTOR Is

    EGFR: epidermal growth factor receptor; TKI: tyrosine kinase inhibitorVEGF: vascular epidermal growth factor

  • EML4-ALKALK

  • EML4-ALK 12/10511.4%10/62 16.1% 2/29 0.7%

    WuZhang et al. 2009

  • 3

  • (SCLC)

    (NSCLC)

  • KRAS1987: KRAS

  • KRASEGFR2004: EGFR

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  • KRASEGFRHER2BRAFALK fusionPIK3CAMEK1ROS fusionPDGFR amp2009:

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  • KRASEGFRHER2BRAFALK fusionPIK3CAMEK1ROS fusionPDGFR amp G719X, exon 19 del, L858R, L861Q 1exon 20 dup2L747S, D761Y, T854A, T790MMET amplification2009:

    Chart10

    20

    80

    10

    2

    1

    2

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    Squamous20

    Large Cell10

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    MEK11

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    PIK3CA4

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  • EGFR exon 19 del/L858RSens to EGFR TKIsKRASRes to EGFR TKIsEGFR T790M/D761Y/T854ARes to EGFR TKIs; sens to new TKIs?MET amplificationSens to MET TKIsMEK1Sens to MEK inhibitorsHER2Sens to HER2 TKIsBRAFSens to BRAF inhibitorsALK fusionsSens to ALK inhibitorsPDGFRa amplificationSens to PDGFR inhibitorsPIK3CAPIK3CA inhibitors?ROS fusionSens to ROS inhibitors?

  • ?

  • Oncotype offers a Multigene Assay to Predict Recurrence of Tamoxifen-Treated, Node-Negative Breast Cancer21 genes are investigated in paraffin-embedded tumor tissue via RT-PCRGoals Predicting distant disease recurrenceIdentify patients best benefiting from treatmentsAvoiding adverse events in those who will not benefit

  • 2: UGT1A1 Irinotecan 10%UGT1A1UGT1A1

  • PGx Based on data from Innocenti et al (2004)

  • (IHC)enzyme-linked immunosorbent assay (ELISA)assessed by microarray technology or reverse transcription-polymerase chain reaction (RT-PCR)fluorescent/chromogenic in-situ hybridisation (FISH/CISH)DNA sequencing (other methods possible for known mutations)IHC FISH ELISA

  • RRM1 ERCC1 NSCLC.

  • NSCLCERCC1ERCC1

  • 4

  • :? ? , , , , 2D6 cypP450 genotype []plasma(free)90% PET, MRI,..

  • NSCLC

  • *ADCC, antibody-dependent cellular cytotoxicity; EGFR, epidermal growth factor receptorWithin treatment group comparison showed that progression-free survival was significantly longer in mutation positive patients receiving gefitinib (HR 0.19; 95% CI 0.13, 0.26; p