VBI Vaccines Announces Publication of Results from Pivotal Phase 3 Study, PROTECT, of VBI’s Prophylactic 3-Antigen Hepatitis B Vaccine Candidate in The Lancet Infectious Diseases
VBI Vaccines Inc. (Nasdaq: VBIV) (VBI), a biopharmaceutical company driven by immunology in the pursuit of powerful prevention and treatment of disease, today announced that results from the pivotal Phase 3 study, PROTECT, of VBI’s prophylactic 3-antigen hepatitis B (HBV) vaccine candidate in adults were published in The Lancet Infectious Diseases. The study was designed to compare the immunogenicity and safety of 10 µg of VBI’s 3-antigen vaccine candidate to 20 µg of the single-antigen HBV vaccine, Engerix-B. Together with results from the second pivotal Phase 3 study, CONSTANT, these results form the basis for the regulatory submissions of VBI’s 3-antigen HBV vaccine candidate in the U.S. and Europe, which were submitted in November 2020, and for Canada and the U.K., which are in process.
Dr. Timo Vesikari, M.D., Ph.D., Professor Emeritus and Director of the Nordic Vaccine Research Network in Finland, principal investigator of the PROTECT and CONSTANT Phase 3 clinical studies, and author of the manuscript commented, “While HBV immunization programs effectively address infants, large immunization gaps exist in certain adult populations, due in large part to the poor immune response in many risk groups such as older adults, people with diabetes or kidney disease, overweight adults, and those who smoke. The PROTECT study demonstrated that the 3-antigen hepatitis B vaccine may be able to overcome some of the limitations of conventional single-antigen HBV vaccines in adults, particularly in older adults age 45+ where superior immune responses were achieved.”
Dr. Joanne Langley, M.D., Professor of Pediatrics and Community Health and Epidemiology, CIHR-GSK Chair in Pediatric Vaccinology, Dalhousie University, and Head of the Division of Infectious Disease, IWK Health Centre, principal investigator of the PROTECT study, and author of the manuscript commented, “This pivotal Phase 3 study demonstrates important and differentiating characteristics of VBI’s 3-antigen HBV vaccine candidate. Data from this large study shows an ability to elicit robust and rapid onset of seroprotection in adult participants. I believe that this type of innovation is needed to fight this persistent global infectious disease challenge.”
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