A Multicenter, Open-label, Phase 1b Study to Assess the Pharmacokinetics, Safety, and Tolerability of Sulbactam-Durlobactam in Hospitalized Pediatric Patients From Birth to <18 Years Who Are Receiving Systemic Antibiotic Therapy for Suspected or Confirmed Acinetobacter Baumannii-calcoaceticus Complex Infection

Inclusion Criteria: 1. Patient from birth (defined as post-natal age of 7 days) to \<18 years of age at the time of written informed consent (and assent, if applicable) and is hospitalized. 2. Patient and/or parent(s) or legal guardian(s) have provided the written informed consent and/or assent. 3. Patient has confirmed or suspected diagnosis of ABC infection and requires IV antibiotics for treatment. 4. Patient has expected survival of 30 days after enrollment in the study. 5. If patient is an individual of childbearing potential or reproductive potential, then the patient must remain abstin…