VBI Vaccines Inc., a commercial-stage biopharmaceutical company developing next-generation infectious disease and immuno-oncology vaccines, today reported top-line data from CONSTANT, the second pivotal Phase 3 study, assessing lot-to-lot manufacturing consistency of Sci-B-Vac®, the company’s trivalent hepatitis B (HBV) vaccine, and comparing safety and immunogenicity of Sci-B-Vac® to GlaxoSmithKline’s currently-marketed HBV vaccine, Engerix-B®. The Phase 3 study met both the primary and secondary endpoints.