Study treatments
The study treatments were manufactured by Samil Co. Ltd. (Seoul, Korea) as requested by the Kukje Pharma and include the Study Treatment 1 (KSR-001-02; 1% rebamipide [rebamipide 10 mg/mL]), Study Treatment 2 (KSR-001-03; 2% rebamipide [rebamipide 20 mg/mL]), and Study Treatment 3 (KSR-001-04; 0% rebamipide [rebamipide 0 mg/mL]), all of which are colorless, transparent eyedrops dispensed in a translucent plastic container and stored in a tight container at room temperature (15–30 °C). The Study Treatment 3 (KSR-001-04) that contains the same ingredients except rebamipide was used as the placebo in the placebo group.