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Article Abstract
Purpose: To compare two different initial dosing regimens of intravitreal ranibizumab used to treat myopic choroidal neovascularization.
Methods: A total of 61 eyes of 56 patients were treated: 26 eyes received a single injection followed by treatment pro re nata (1+ PRN), while 35 eyes first received 3 consecutive monthly injections (3+ PRN).
Results: The mean follow-up was 53 ± 16 months. The visual acuities were 51.9 ± 16.2 letters with 3+ PRN and 53 ± 22.4 letters with 1+ PRN at baseline (p = 0.824); 69.5 ± 12.3 and 69 ± 15.1 letters, respectively, at 12 months; and 67.1 ± 16.2 and 66.4 ± 19.7 letters, respectively, at the end of follow-up (p = 0.877). Mean survival until first retreatment after the loading dose was 36.9 ± 6.1 months with 3+ PRN and 19.2 ± 5.4 months with 1+ PRN (p < 0.001).
Conclusions: Both dosing regimens led to similar visual outcomes. For eyes given a single injection in the first quarter, retreatment was needed appreciably earlier.
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