Cancer therapy is a vast field that encompasses various approaches to treating cancer. Chemotherapy is one of the most common approaches that uses drugs to kill cancer cells. There are many different types of chemotherapy drugs, each of which works in a slightly different way. Some chemotherapy drugs target specific pathways that are involved in cancer cell growth and division. Other drugs target the DNA repair pathways that cancer cells use to repair damage caused by chemotherapy.
Radiation therapy uses high-energy radiation to kill cancer cells. Immunotherapy uses the body's immune system to fight cancer. Targeted therapy uses drugs that specifically target cancer cells.
Nanoparticles have been used as drug carriers in cancer therapy due to their unique properties such as small size, high surface area-to-volume ratio, and ability to be functionalized with targeting ligands.