Doripenem is a broad spectrum antibiotic belonging to the class of antibiotics called carbapenems. It Inhibits bacterial cell wall synthesis and causes cell death by binding to and inactivating penicillin-binding proteins (PBPs). Doripenem is a broad spectrum antibiotic belonging to the class of antibiotics called carbapenems. It Inhibits bacterial cell wall synthesis and causes cell death by binding to and inactivating penicillin-binding proteins (PBPs). A broad spectrum antibiotic belonging to the class of antibiotics called carbapenems