Impact of a multidisciplinary antimicrobial stewardship program on antibiotic utilization and clinical outcomes at a tertiary hospital in Saudi Arabia: a quasi-experimental study.

Background: This study aims to assess the impact of a multidisciplinary antimicrobial stewardship program (ASP) intervention on various metrics.

Methods: A quasi-experimental study was performed on non-ICU patients for whom a restricted antibiotic was ordered. In September 2020, a prospective audit and feedback was implemented involving infectious disease clinical pharmacists, utilization of electronic resources, and improved documentation.