2010
DOI: 10.1200/jco.2010.28.15_suppl.8503
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Phase I/II study of GSK2118436, a selective inhibitor of oncogenic mutant BRAF kinase, in patients with metastatic melanoma and other solid tumors.

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Cited by 253 publications
(212 citation statements)
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“…This clinical finding is consistent with work in preclinical models that demonstrated that treatment of human melanoma cell lines with a wild-type BRAF gene with PLX4720 and other selective BRAF inhibitors resulted in hyperactivation of MEK and MAPK, and increased growth of cancer cells in vitro and in vivo (Halaban et al 2010;Hatzivassiliou et al 2010;Heidorn et al 2010;Poulikakos et al 2010). A second selective inhibitor of the BRAF V600E protein, GSK2118436, has demonstrated similar activity, with a 62% ORR in phase I testing in advanced melanoma patients with a BRAF mutation (Kefford et al 2010). While the high response rate with minimal toxicity with PLX4032 and GSK2118436 is unprecedented, it is now becoming clear that resistance will be a major problem with these agents.…”
Section: The Ras/raf/mapk Pathwaysupporting
confidence: 72%
“…This clinical finding is consistent with work in preclinical models that demonstrated that treatment of human melanoma cell lines with a wild-type BRAF gene with PLX4720 and other selective BRAF inhibitors resulted in hyperactivation of MEK and MAPK, and increased growth of cancer cells in vitro and in vivo (Halaban et al 2010;Hatzivassiliou et al 2010;Heidorn et al 2010;Poulikakos et al 2010). A second selective inhibitor of the BRAF V600E protein, GSK2118436, has demonstrated similar activity, with a 62% ORR in phase I testing in advanced melanoma patients with a BRAF mutation (Kefford et al 2010). While the high response rate with minimal toxicity with PLX4032 and GSK2118436 is unprecedented, it is now becoming clear that resistance will be a major problem with these agents.…”
Section: The Ras/raf/mapk Pathwaysupporting
confidence: 72%
“…Within the Rafmitogen-activated protein kinase (MAPK) cascade, potent inhibitors of BRaf, CRaf, and MEK are in clinical use (4)(5)(6)(7)(8)(9)(10)(11)(12)(13). Although very encouraging, the clinical responses to Raf inhibitors can be relatively short-lived, with treatment failure and tumor progression occurring due to acquired resistance, primarily as a result of secondary mutations in oncogenic BRaf or other proteins such as N-Ras or MEK (14)(15)(16).…”
mentioning
confidence: 99%
“…La mediana de supervivencia fue de 10 meses para los tratados con ipilimumab y 6 para los no tratados, con una supervivencia a dos años del 24% en el brazo del ipilimumab, que se mantenían a lo largo del seguimiento 11 . Otros fármacos con capacidad selectiva de inhibición de la forma mutada de B-RAF (GSK218436/PLX4032) 12,13 , de inhibición de la actividad tirosín-Kinasa de c-KIT (imatinib/sorafenib) 14 , así como de inducción de apoptosis a través de la vía intrínseca (tasisulam) 15 también están mostrando resultados positivos. En el caso presentado no se pudieron determinar marcadores experimentales al no estar previsto en el estudio.…”
Section: Discussionunclassified