Background And Aims: The gas-filled intragastric balloon (IGB) system (Obalon) and the fluid-filled IGB system (Orbera) are the current FDA-approved IGB systems to treat obesity; however, they have not been previously compared in clinical practice. The aims of this study were to compare their efficacy, tolerance, and safety in a clinical setting.
Materials And Methods: This is a retrospective cohort study of consecutive patients treated with the gas-filled IGB or fluid-filled IGB between October 2015 and May 2020 at 2 academic centers.