http://www.sciencealert.com/new-drug-causes-cancer-to-melt-away-in-patients-with-advanced-leukaemia A new drug has been shown to significantly reduce cancer cells in almost 80 percent of patients with an advanced form of leukaemia in a four-year clinical trial. In 20 percent of patients, it caused complete remission of the disease. via New drug causes cancer to "melt away" in patients with advanced leukaemia - ScienceAlert.