Seattle Genetics, Inc. (Nasdaq: SGEN) today announced that research related to its antibody-drug conjugate (ADC) technology was presented in multiple sessions at the 104th Annual Meeting of the American Association for Cancer Research (AACR) being held in Washington, D.C. Three data presentations highlight the rapid progress being made in ADC technology and testing. This includes preclinical data evaluating ADCs using a potent and newly developed cytotoxic agent, pyrrolobenzodiazepine (PBD) dimer, against two targets, CD33 and CD70.