Pharmaceutical A pivotal Phase III clinical study evaluating the antibiotic Zerbaxa (ceftolozane and tazobactam) at an investigational dose for the treatment of adult patients with either ventilated hospital-acquired bacterial pneumonia (HABP) or ventilator-associated bacterial pneumonia (VABP) met the pre-specified primary endpoints, demonstrating non-inferiority to meropenem, the active comparator, in Day 28 all-cause mortality and in clinical cure rate at the test-of-cure visit. 12 September 2018