Comparative effectiveness of ceftolozane/tazobactam relative to ceftazidime/avibactam for the treatment of adult, hospitalized patients with pneumonia due to multidrug-resistant Pseudomonas aeruginosa in U.S. Veterans Health Administration facilities.

ceftazidime - Generic mfg.

Zavicefta (ceftazidime/avibactam) - Pfizer, AbbVie

Zerbaxa (ceftolozane /tazobactam) - Merck (MSD)

http://www.ncbi.nlm.nih.gov/pubmed/42714406

Emily M Potter; Karim Khader; Nicholas S Britt; Tao He; Thomas P Lodise

Sep 10, 2026