Tucatinib (Irbinitinib, ONT-380, Arry-380): Mechanism of Action

Tucatinib (Irbinitinib, ONT-380, Arry-380) MOA:Targeting HER2/PI3K-AKT Pathway for HER2-Positive Breast Cancer

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Tucatinib is a potent, selective, ATP-competitive HER2 inhibitor. It affects Akt, mTOR, ERK, and JNK signaling pathways by binding to the HER2 kinase ATP-binding site and blocking its phosphorylation, thereby inhibiting tumor cell proliferation and promoting apoptosis.

Primary Applications and Mechanism of Action