PD-089828 is primarily utilized in the field of medical research, particularly in the study of cancer therapeutics. It functions as a selective inhibitor of certain enzymes that are involved in cell signaling pathways, which are often dysregulated in cancer cells. By inhibiting these enzymes, PD-089828 helps researchers understand the mechanisms of tumor growth and progression. This compound is also used in preclinical studies to evaluate its potential as a targeted therapy for various types of cancers. Its application extends to the development of new drugs that can specifically target and inhibit the pathways responsible for cancer cell survival and proliferation. Additionally, PD-089828 is employed in biochemical assays to study the interaction between inhibitors and their target enzymes, providing valuable insights into the design of more effective and selective anticancer agents.