BLUE BELL, Pa.--(BUSINESS WIRE)--Inovio Pharmaceuticals, Inc. (NYSE Amex: INO), a leader in the development of therapeutic and preventive vaccines against cancers and infectious diseases, announced today that it has achieved high vaccine-induced response rates and strong magnitude of immune responses in its Phase I clinical study of PENNVAX™-B, a DNA vaccine for the prevention of HIV infection. Similar to recently reported results from a Phase I clinical study of Inovio’s therapeutic DNA vaccine for cervical cancer, the response rates and magnitude of responses achieved in this study are significantly higher than those seen previously with other DNA vaccine trials. Dr. Spyros Kalams, principal investigator for the study and Immunology Director of the Vanderbilt Center for AIDS Research at Vanderbilt University Medical Center, presented the interim immune response and safety data at the Annual HIV Vaccine Trials Network (HVTN) Conference being held November 15-17 in Seattle, WA.