YU238259 is primarily utilized in the field of oncology research, where it is investigated for its potential to inhibit specific pathways involved in cancer cell proliferation. It is being studied as a targeted therapy for certain types of tumors, particularly those resistant to conventional treatments. Additionally, YU238259 is explored in preclinical studies to understand its mechanism of action and efficacy in reducing tumor growth. Researchers are also examining its potential in combination therapies to enhance the overall effectiveness of cancer treatment regimens. Its application extends to biomarker studies, where it helps identify patient populations most likely to benefit from its use.