BOSTON--(BUSINESS WIRE)--At this week’s major HIV/AIDS research meeting, Pfizer presented new data on two investigational second generation HIV compounds – a CCR5 antagonist and a non-nucleoside reverse transcriptase inhibitor (NNRTI). Pfizer also presented additional data on SelzentryTM (maraviroc) tablets, its first-in-class medicine approved last year for use in treatment-experienced HIV patients infected with a certain type of HIV. Selzentry is known as Celsentri® outside of the United States.