Agerafenib hydrochloride is primarily used in the field of oncology, specifically for targeting certain types of cancers. It functions as a kinase inhibitor, which means it works by blocking the action of abnormal proteins that promote cancer cell growth. This compound is particularly effective in treating cancers that have specific genetic mutations, such as BRAF mutations, which are commonly found in melanoma and other malignancies. By inhibiting these mutated proteins, it helps to slow down or stop the proliferation of cancer cells, thereby aiding in the management and treatment of the disease. Its application is often seen in clinical settings where targeted therapy is required, offering a more precise approach compared to traditional chemotherapy.