CP-724714 is primarily utilized in the field of cancer research due to its role as a selective inhibitor of the HER2/neu receptor tyrosine kinase. This receptor is often overexpressed in certain types of breast cancer, making CP-724714 a valuable tool in studying targeted therapies for HER2-positive cancers. Researchers use it to investigate the mechanisms of HER2 signaling pathways and to evaluate its potential in inhibiting tumor growth and proliferation. Additionally, it aids in the development of novel therapeutic strategies aimed at improving outcomes for patients with HER2-driven malignancies. Its specificity allows for a focused approach in understanding and combating cancer at the molecular level.