BALTIMORE, Maryland, Nov. 16 (TNSres) -- Johns Hopkins Medicine issued the following news release: A new drug strategy that regulates the tumor immune microenvironment may transform a tumor that resists immunotherapy into a susceptible one, according to a study by researchers from the Johns Hopkins Kimmel Cancer Center and Oregon Health & Science University. The immune microenvironment around a pancreatic tumor has suppressed immune activity, allowing the tumor to evade attacks by the immune s  more