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Authors | Andrew J. Wagner, William D. Tap, Anthony Frank Shields, Amita Patnaik, Rashmi Chugh, Gabriel Tinoco, | ||||||||||||
Title | A phase I pharmacokinetic (PK) and pharmacodynamic (PD) study of PLX9486 alone and in combination (combo) with the KIT inhibitors pexidartinib (pexi) or sunitinib (su) in patients (Pts) with advanced solid tumors and gastrointestinal stromal tumor (GIST). | ||||||||||||
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URL | http://ascopubs.org/doi/abs/10.1200/JCO.2018.36.15_suppl.11509#affiliationsContainer | ||||||||||||
Abstract Text | Journal of Clinical Oncology 36, no. 15_suppl (May 20 2018) 11509-11509 |
Molecular Profile | Treatment Approach |
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Gene Name | Source | Synonyms | Protein Domains | Gene Description | Gene Role |
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Drug Name | Trade Name | Synonyms | Drug Classes | Drug Description |
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PLX9486 | PLX-9486|PLX 9486|Bezuclastinib|CGT-9486|CGT9486|CGT 9486 | KIT Inhibitor 57 | PLX9486 is a Kit inhibitor with selective activity against primary (exon 9 and 11) and secondary (exon 17 and 18) Kit mutations, which may lead to growth inhibition in tumor cells expressing mutant c-Kit (Journal of Clinical Oncology 36, no. 15_suppl (May 20 2018) 11509-11509, PMID: 30523507). |
Gene | Variant | Impact | Protein Effect | Variant Description | Associated with drug Resistance |
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Molecular Profile | Indication/Tumor Type | Response Type | Therapy Name | Approval Status | Evidence Type | Efficacy Evidence | References |
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KIT exon11 | gastrointestinal stromal tumor | predicted - sensitive | PLX9486 | Phase I | Actionable | In a Phase I trial, PLX9486 demonstrated safety and preliminary efficacy, resulted in a progression-free survival of more than 24 weeks and partial response in 8.3% (2/24) of patients with advanced solid tumors, 20 of these patients had gastrointestinal stromal tumor that progressed on Gleevec (imatinib mesylate), and most harbored KIT exon 11 and exon 17 mutations (Journal of Clinical Oncology 36, no. 15_suppl (May 20 2018) 11509-11509; NCT02401815). | detail... |
KIT exon17 | gastrointestinal stromal tumor | predicted - sensitive | PLX9486 | Phase I | Actionable | In a Phase I trial, PLX9486 demonstrated safety and preliminary efficacy, resulted in a progression-free survival of more than 24 weeks and partial response in 8.3% (2/24) of patients with advanced solid tumors, 20 of these patients had gastrointestinal stromal tumor that progressed on Gleevec (imatinib mesylate), and most harbored KIT exon 11 and exon 17 mutations (Journal of Clinical Oncology 36, no. 15_suppl (May 20 2018) 11509-11509; NCT02401815). | detail... |
KIT exon17 | gastrointestinal stromal tumor | predicted - sensitive | Pexidartinib + PLX9486 | Phase I | Actionable | In a Phase I trial, PLX9486 and Pexidartinib (PLX3397) combination therapy demonstrated safety and preliminary efficacy, resulted in a partial response rate of 8.3% (1/12) and progression-free survival not yet reached in patients with advanced solid tumors, 11 of these patients had gastrointestinal stromal tumor that progressed on Gleevec (imatinib mesylate), and most harbored KIT exon 11 and exon 17 mutations (Journal of Clinical Oncology 36, no. 15_suppl (May 20 2018) 11509-11509; NCT02401815). | detail... |
KIT exon11 | gastrointestinal stromal tumor | predicted - sensitive | Pexidartinib + PLX9486 | Phase I | Actionable | In a Phase I trial, PLX9486 and Pexidartinib (PLX3397) combination therapy demonstrated safety and preliminary efficacy, resulted in a partial response rate of 8.3% (1/12) and progression-free survival not yet reached in patients with advanced solid tumors, 11 of these patients had gastrointestinal stromal tumor that progressed on Gleevec (imatinib mesylate), and most harbored KIT exon 11 and exon 17 mutations (Journal of Clinical Oncology 36, no. 15_suppl (May 20 2018) 11509-11509; NCT02401815). | detail... |