Inhibitex, Inc. (Nasdaq: INHX), announced today that Pfizer Inc. presented safety and immunogenicity data from a Phase 1 double-blind randomized placebo controlled study in 408 healthy volunteers of a novel three antigen Staphylococcus aureus investigational vaccine (SA3Ag) at the 21st European Congress of Clinical Microbiology and Infectious Diseases (ECCMID) and 27th International Congress of Chemotherapy (ICC) in Milan, Italy (ECCMID/ICC). The vaccine candidate is comprised of S. aureus capsular polysaccharide serotypes 5 and 8 conjugated to CRM197 and the recombinant surface-expressed MSCRAMM protein, clumping factor A. In the Phase 1 study, the vaccine elicited a positive immune response to each of the three components. Pfizer has worldwide exclusive rights to the Company’s MSCRAMM protein platform for the development of staphylococcal vaccines.
