In this international , randomised , controlled , double-blind , phase @ , non-inferiority with nested superiority trial , adult Asian patients with Pneumonia Outcomes Research Team ( PORT ) risk class III-IV acute community-acquired pneumonia were randomly assigned ( @:@ ) to receive intravenous ceftaroline fosamil ( @ mg every @ h ) or ceftriaxone ( @ g every @ h ) for @-@ days .