Abstract
Purpose: To examine if the sequential treatment of Avastin and Macugen is safe and more efficient than the mono-therapies in a prospective randomized masked pilot study.Materials and Methods: Subjects with exudative age-related macular degeneration were randomized to receive three intravitreal injections of either 1 mg of Avastin, 0.3 mg Macugen, or first 1 mg Avastin followed by retreatment of 0.3 mg Macugen. Follow-up examinations were performed after 1, 6, 12 weeks, and 6 months.Results: Forty-eight subjects were included (13:18:17). Avastin resulted in lasting significant changes in visual acuity at 6 weeks, increase in contrast sensitivity at 6 weeks, and a significant decrease in macular thickness after 6 and 12 weeks. Macugen showed a significant decrease in retinal thickness after 6 weeks, but a significant decrease in visual acuity after 6 months, and a significant decrease in contrast sensitivity after 12 weeks and 6 months. The sequential treatment showed a decrease in retinal thickness after 1 and 12 weeks.Conclusion: Avastin alone is more effective in increasing visual acuity and contrast sensitivity and decreasing retinal thickness, than Macugen or the sequential treatment. We conclude that the sequential treatment of Avastin with Macugen is safe, but the single treatment of Avastin is more efficient.
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