Search jobs 12-Jul-2021 Affinivax and Astellas Present Safety and Immunogenicity Data from Phase 2 Study of ASP3772, a Novel 24 valent MAPS™ Vaccine for Streptococcus pneumoniae Study results were selected for oral presentation at the 31st European Congress of Clinical Microbiology & Infectious Diseases (ECCMID) ASP3772 has also received FDA Breakthrough Therapy Designation CAMBRIDGE, Mass. & TOKYO--(BUSINESS WIRE)--Affinivax, Inc. ("Affinivax") and Astellas Pharma Inc. (“Astellas”) announced results from the Phase 2 clinical trial of ASP3772, a novel vaccine candidate targeting Streptococcus pneumoniae. Developed using Affinivax’s proprietary MAPS™ (Multiple Antigen-Presenting System) platform technology, ASP3772 is designed to offer both B-cell (antibody) and T-cell immune protection against