ETP-45658 is primarily used in the field of oncology research as a potent inhibitor targeting specific kinases involved in cancer cell proliferation. Its application is significant in preclinical studies where it helps in understanding the pathways and mechanisms of tumor growth. Researchers utilize ETP-45658 to test its efficacy in reducing tumor size and inhibiting metastasis in various cancer models. Additionally, it serves as a valuable tool in drug development, aiding in the design of new therapeutic agents that can selectively target cancer cells with minimal impact on healthy tissues. Its role in enhancing the precision of cancer treatments makes it a critical component in advancing personalized medicine approaches.