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INTERGROUP COLLABORATION AGAINST SARCOMAS (ICAS) FOCUS. Biologically targeted therapeutics Histology specific Facilitate Intergroup Collaboration. Growth Factor Receptor Expression in Sarcomas. Sarcoma EGF-R* PDGF-R** MPNST 7/7 † -- Synovial Cell* 17/25 0/2
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INTERGROUP COLLABORATION AGAINST SARCOMAS (ICAS)FOCUS • Biologically targeted therapeutics • Histology specific • Facilitate Intergroup Collaboration
Growth Factor Receptor Expression in Sarcomas Sarcoma EGF-R* PDGF-R** MPNST 7/7 † -- Synovial Cell* 17/25 0/2 Fibrosarcoma 8/11 -- MFH 12/17 11/12 Liposarcoma -- 9/12 Leiomyosarcoma -- 3/7 *Common (70%) SSX1 translocation: Her2 21/32 Her4 12/13 †JCI 105:1233 2000 * L Baker et al AACR 2002 **Can Res 50:6344 1990
INTERGROUP SARCOMA COMMITTEEHER2 and Cox-2 Expression in Synovial Sarcomas Her2/neu Cox-2
EGF-R EXPRESSION ANDINHIBITION IN MPNST Intense membrane staining EGF-R inhibitors DeClue et al JCI 2000
ICAS STUDIESMetastatic Disease ICAS #SarcomaTargetInhibitorPrior Rx S0330 MPNST EGF-R erlotinib N S0345 DFSP PDGF-R imatinib Y S0346 Synovial HER2* trastuzumab Y S0505 STS VEGF sorafenib Y
ICAS STUDIESMetastatic Disease ICAS #SarcomaTargetInhibitorPrior Rx S0423 Chondro MTAP pemetrexed Y S0502 GIST VEGF bevacizumab N S0416 (COG) GIST(<30) kit imatinib N S0406 (RTOG) STS COX-2 celocoxib Y EWS0031(COG) Ewing’s dose density chemo N
ICAS STUDIESPrimary Disease ICAS #SarcomaTargetInhibitorPrior Rx S0344 Chondro local surgery telomerase S0405 (COG) Synovial bcl-2 anti-sense N S0404 (ACSOG) STS array/microscopy N ACOSOG STS retroperitoneal XRT N
ICASNEW ERA 2000 MOLECULAR REDEFINITION IMPROVE PRIMARY MANAGEMENT IDENTIFY TARGETED THERAPIES