There are many different types of targeted cancer drugs. Some of these drugs might also be called immunotherapies or biological therapies.
Monoclonal antibodies work by recognising and finding specific proteins on cancer cells.
Cancer growth blockers are also called cancer growth inhibitors. They aim to stop cancer cells from growing.
Anti angiogenics are drugs that try to stop cancers from growing blood vessels. This might slow the growth of a cancer or sometimes shrink it.
PARP inhibitors are a treatment for some women with ovarian cancer, and are in trials for other types of cancer.