Dr. Geoffrey Gotto, Urologic Oncologist at the Southern Alberta Institute of Urology, joins us again to explain PARP inhibitors and their importance in modern treatment of cancer cells. By blocking DNA repair, the inhibitors help kill off cancer cells to help in treating the disease. Dr. Gotto discusses how to make inhibitors more effective, how to pair them with additional treatments, and how genetic testing is helping doctors identify cancers sooner and with greater precision.