نبذة مختصرة : Purpose: The aim of this study was to evaluate the efficacy and safety of Razumab (the biosimilar Ranibizumab by Intas Pharmaceuticals Ltd.) for the treatment of chorioretinal vascular diseases such as diabetic macular edema (DME), choroidal neovascular membrane (CNVM), and macular edema secondary to retinal vein occlusion (RVO). Methods: We conducted a single-center, retrospective study, including patients with DME, CNVM, and RVO, who had received treatment with Razumab® between October 2018 and September 2019. Primary outcome measures were the changes in corrected distance visual acuity (CDVA) and central foveal thickness (CFT) from baseline to 1 month and 3 months. Secondary outcome measures included intraocular pressure (IOP) at day 1, any signs of ocular inflammation or systemic adverse events during the follow-up. Results: One hundred and fifty-three eyes of 141 patients were analyzed. The indications included DME in 70 (45.8%) eyes, CNVM in 70 (45.8%) eyes, and RVO in 13 (8.4%) eyes. Mean CDVA improved from baseline (0.62 ± 0.44) to month 1 (0.45 ± 0.42) and maintained till 3 months (0.42 ± 0.44; P < 0.001). Mean CFT showed significant reduction from baseline (405.68 ± 192.422 μm) to month 1 (286.08 ± 118.36 μm) and month 3 (271 ± 104.24 μm; P < 0.001). None of the eyes recorded IOP >20 mmHg on day 1. No evidence of ocular toxicity or systemic adverse event was noted. Conclusion: Razumab® showed a rapid improvement in CDVA and CFT in most of the eyes with efficacy observed as early as 1 month and maintained till 3 months. The biosimilar Ranibizumab can be a safe and effective low-cost drug for treating macular diseases.
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