Cancer continues to be one of the leading causes of death. However, next-generation treatments are making their way through clinical trials, and they may offer new hope to millions of patients. Among the most intriguing of these new medications are three that are coming out of Merck & Co. (NYSE: MRK), Ariad Pharmaceuticals (NASDAQ: ARIA), and Kite Pharma (NASDAQ: KITE). Let’s take a closer look at how these drugs could improve cancer treatment soon.