An oral targeted therapy used to treat advanced kidney cancer and soft tissue sarcoma.
Pazopanib tablets are a kinase inhibitor indicated for the treatment of adults with: advanced renal cell carcinoma (RCC). ( 1.1 ) advanced soft tissue sarcoma (STS) who have received prior chemotherapy. ( 1.2 ) Limitations of Use: The efficacy of pazopanib tablets for the treatment of patients with adipocytic soft tissue sarcoma or gastrointestinal stromal tumors has not been demonstrated. 1.1 Renal Cell Carcinoma Pazopanib tablets are indicated for the treatment of adults with advanced renal cell carcinoma (RCC). 1.2 Soft Tissue Sarcoma Pazopanib tablets are indicated for the treatment of adults with advanced soft tissue sarcoma (STS) who have received prior chemotherapy. Limitations of Use : The efficacy of pazopanib tablets for the treatment of patients with adipocytic STS or gastrointestinal stromal tumors has not been demonstrated.
12.1 Mechanism of Action Pazopanib is a multi-tyrosine kinase inhibitor of vascular endothelial growth factor receptor (VEGFR)-1, VEGFR-2, VEGFR-3, platelet-derived growth factor receptor (PDGFR)-ɑ and -β, fibroblast growth factor receptor (FGFR)-1 and -3, cytokine receptor (Kit), interleukin-2 receptor-inducible T-cell kinase (Itk), lymphocyte-specific protein tyrosine kinase (Lck), and transmembrane glycoprotein receptor tyrosine kinase (c-Fms). In vitro, pazopanib inhibited ligand-induced autophosphorylation of VEGFR-2, Kit, and PDGFR-β receptors. In vivo, pazopanib inhibited VEGF-induced VEGFR-2 phosphorylation in mouse lungs, angiogenesis in a mouse model, and the growth of some human…
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