Impact of a clinical pharmacist-led stewardship program for the appropriate use of acid suppression therapy in older hospitalized patients: a non-randomized controlled study.

Background: The potentially inappropriate use of the proton pump inhibitors is prevalent in older adults.

Aim: To evaluate the impact of a clinical pharmacist-led stewardship program for the appropriate use of acid suppression therapy in older hospitalized patients.

Method: This parallel nonrandomized controlled study was conducted at an internal medicine service of a tertiary training and research hospital between September 2019 and August 2021.