TAE684 is primarily used in research settings as a potent and selective inhibitor of the ALK (Anaplastic Lymphoma Kinase) protein. It is widely employed in studies focused on understanding the role of ALK in various cancers, particularly non-small cell lung cancer (NSCLC) and anaplastic large cell lymphoma (ALCL). Researchers use TAE684 to investigate ALK-driven signaling pathways and to evaluate its potential as a therapeutic target. Additionally, it is utilized in preclinical models to assess the efficacy of ALK inhibition in reducing tumor growth and metastasis. Its specificity makes it a valuable tool for exploring the mechanisms of ALK-related oncogenesis and for developing targeted cancer therapies.