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  • Title: Ranibizumab for treatment of choroidal neovascularization secondary to age-related macular degeneration.
    Author: Bhatnagar P, Spaide RF, Takahashi BS, Peragallo JH, Freund KB, Klancnik JM, Cooney MJ, Slakter JS, Sorenson JA, Yannuzzi LA.
    Journal: Retina; 2007 Sep; 27(7):846-50. PubMed ID: 17891007.
    Abstract:
    PURPOSE: To evaluate the short-term outcomes after intravitreal ranibizumab (Lucentis; Genentech, Inc., South San Francisco, CA) injection in patients with neovascular age-related macular degeneration. METHODS: A review of data for consecutive patients who received intravitreal ranibizumab injection was conducted. The main outcome measures were mean visual acuity and central macular thickness at 3 months compared with those at baseline. Response to ranibizumab therapy was evaluated with particular attention to prior treatment with bevacizumab (Avastin; Genentech, Inc.). RESULTS: Mean baseline visual acuity of 231 eyes of 231 patients was 20/152, and 189 patients (81.8%) had undergone prior treatment, with 153 (65.4%) having received intravitreal bevacizumab. Mean visual acuity at 3 months, available for 203 patients (88%), was 20/126 (P = 0.004). Mean visual acuity for 98 patients treated with bevacizumab within 3 months before ranibizumab injection was 20/100 at baseline and 20/98 at 3 months (P = 0.35). Mean baseline central macular thickness was 278 microm for all patients and improved to 211 microm at 3 months (P < 0.001). Macular thickness decrease was noted irrespective of previous bevacizumab therapy. CONCLUSION: Ranibizumab therapy was associated with significant improvements in mean visual acuity and central macular thickness for the group of all patients. Patients who had received bevacizumab treatment within 3 months before initiating ranibizumab treatment had stability of, but no improvement in, visual acuity.
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