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== Overview ==<br />
'''Apatinib''' is a small molecule tyrosine kinase inhibitor that selectively targets the vascular endothelial growth factor receptor-2 ([[VEGFR-2]]). It is primarily used in the treatment of various types of cancer, particularly [[gastric cancer]] and [[colorectal cancer]]. Apatinib works by inhibiting angiogenesis, the process by which new blood vessels form from pre-existing vessels, which is crucial for tumor growth and metastasis.<br />
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== Mechanism of Action ==<br />
Apatinib exerts its effects by binding to the intracellular domain of [[VEGFR-2]], thereby blocking the downstream signaling pathways that promote endothelial cell proliferation and migration. This inhibition leads to reduced tumor vascularization and, consequently, tumor growth suppression.<br />
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== Clinical Applications ==<br />
Apatinib has been studied extensively in clinical trials for its efficacy in treating advanced [[gastric cancer]] and other malignancies. It is often considered for patients who have not responded to standard chemotherapy regimens. The drug has shown promise in improving progression-free survival and overall survival in certain patient populations.<br />
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== Side Effects ==<br />
Common side effects of apatinib include hypertension, proteinuria, hand-foot syndrome, and fatigue. These adverse effects are generally manageable with supportive care and dose adjustments.<br />
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== Research and Development ==<br />
Ongoing research is exploring the potential of apatinib in combination with other therapeutic agents, such as [[immunotherapy]] and [[chemotherapy]], to enhance its anticancer effects. Studies are also investigating its role in treating other types of cancer, including [[non-small cell lung cancer]] and [[breast cancer]].<br />
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== Related Pages ==<br />
* [[VEGFR-2]]<br />
* [[Angiogenesis]]<br />
* [[Gastric cancer]]<br />
* [[Colorectal cancer]]<br />
* [[Tyrosine kinase inhibitor]]<br />
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== Gallery ==<br />
[[File:Apatinib_structure.svg|thumb|right|Chemical structure of Apatinib]]<br />
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[[Category:Antineoplastic drugs]]<br />
[[Category:Tyrosine kinase inhibitors]]</div>Prab