Evaluation of the Safety and Efficacy of ALS-L1023 Administered in Combination With Ranibizumab in Patients With Wet-AMD

The objective of this phase 2 study is to determine the optimal dose of ALS-L1023 by evaluating the safety and efficacy of ALS-L1023 comparing with placebo when used in combination with Ranibizumab for the treatment of wet age-related macular degeneration(AMD). The study is designed as multicenter, randomized, placebo-controlled, double-blind, three-arm parallel-group phase 2 study in patients with neovascular age-related macular degeneration. This study consists of two separate phases: a loading phase and a PRN(pro re nata) phase. Once the subject provides a written informed consent, subject information including demographics, medical history, and concomitant medications will be collected, and only those who meet the inclusion/exclusion criteria will participate in the study. All subjects who are enrolled in the study will be randomized into three groups Group A (Ranibizumab 0.5mg \& ALS-L1023 600mg) or Group B (Ranibizumab 0.5mg \& ALS-L1023 1200mg) or Group C (Ranibizumab \& placebo) in a 1:1:1 ratio. Randomization will be stratified by whether or not the subject has PCV(polypoidal choroidal vasculopathy) confirmed at Screening test. During the 3-month loading phase, all subjects will receive a Ranibizumab 0.5mg injection into the vitreous every month and take either the placebo or ALS-L1023 orally twice a day. During the following 3-12 month PRN phase, subjects will continue to take the placebo or ALS-L1023 in the same frequency as above but receive Ranibizumab injection only when it meets retreatment criteria. Subjects must instill antibacterial eye drops three times a day for three days after Ranibizumab injection. Subjects will visit the study site monthly during the 12 month study period in order to receive scheduled assessments and evaluate safety and efficacy of treatment. Image interpretation will be performed by a central reading center. The central reading center will confirm eligibility for enrollment and the discrimination of Polypoidal Choroida