In this randomized phase 3 trial, ceftazidime-avibactam plus metronidazole was noninferior to meropenem in treating complicated intra-abdominal infection, with similar efficacy against ceftazidime-resistant and ceftazidime-susceptible pathogens and no new safety concerns observed.
BACKGROUND-Klebsiella pneumoniae carbapenemase (KPC)-producing K. pneumoniae is an emerging pathogen with serious clinical and infection control implications. To our knowledge, no study has specifically examined risk factors for KPC-producing K. pneumoniae or its impact on mortality.
There is an urgent need for new strategies to reduce carbapenem consumption. Ceftazidime-avibactam was highly effective for empiric treatment of complicated urinary tract infection, including in patients with ceftazidime-nonsusceptible pathogens, and may offer an alternative to carbapenems in this setting.
Monotherapy with lefamulin, a novel, pleuromutilin antibiotic with intravenous and oral formulation options, was noninferior to moxifloxacin for efficacy and generally safe and well tolerated for community-acquired bacterial pneumonia (CABP). Lefamulin’s spectrum of activity targets bacteria that cause CABP.
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