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Drug Profile

Piperacillin–tazobactam: a β-lactam/β-lactamase inhibitor combination

, , , , &
Pages 365-383 | Published online: 10 Jan 2014
 

Abstract

Piperacillin–tazobactam is a β-lactam/β-lactamase inhibitor combination with a broad spectrum of antibacterial activity that includes Gram-positive and -negative aerobic and anaerobic bacteria. Piperacillin–tazobactam retains its in vitro activity against broad-spectrum β-lactamase-producing and some extended-spectrum β-lactamase-producing Enterobacteriaceae, but not against isolates of Gram-negative bacilli harboring AmpC β-lactamases. Piperacillin–tazobactam has recently been reformulated to include ethylenediaminetetraacetic acid and sodium citrate; this new formulation has been shown to be compatible in vitro with the two aminoglycosides, gentamicin and amikacin, allowing for simultaneous Y-site infusion, but not with tobramycin. Multicenter, randomized, double-blinded clinical trials have demonstrated piperacillin–tazobactam to be as clinically effective as relevant comparator antibiotics. Clinical trials have demonstrated piperacillin–tazobactam to be effective for the treatment of patients with intra-abdominal infections, skin and soft tissue infections, lower respiratory tract infections, complicated urinary tract infections, gynecological infections and more recently, febrile neutropenia. Piperacillin–tazobactam has an excellent safety and tolerability profile and continues to be a reliable option for the empiric treatment of moderate-to-severe infections in hospitalized patients.

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