Mio Hosokawa1, Yuki Morizane2, Masayuki Hirano1, Shuhei Kimura1, Fumiaki Kumase1, Yusuke Shiode1, Shinichiro Doi1, Shinji Toshima1, Mika Hosogi1, Atsushi Fujiwara1, Toshiharu Mitsuhashi3, Fumio Shiraga1. 1. Department of Ophthalmology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho Kita-ku, Okayama City, Okayama, 700-8558, Japan. 2. Department of Ophthalmology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho Kita-ku, Okayama City, Okayama, 700-8558, Japan. moriza-y@okayama-u.ac.jp. 3. Center for Innovative Clinical Medicine, Okayama University Hospital, Okayama, Japan.
Abstract
PURPOSE: To evaluate the 1-year treatment outcomes of intravitreal aflibercept injections (IVA) using a treat-and-extend regimen for polypoidal choroidal vasculopathy (PCV). METHODS: Thirty-seven eyes with treatment-naive PCV treated with IVA using a treat-and-extend regimen for 1 year were reviewed retrospectively. The main outcome measures were changes in the best-corrected visual acuity (BCVA) and central retinal thickness (CRT), and the treatment interval at 1 year. The predictive factors for patients who could not continue to extend the treatment interval because of poor response to IVA or recurrence were analyzed. RESULTS: The mean logarithm of the minimum angle of resolution BCVA improved from 0.37 at baseline to 0.21 at 1 year (P < 0.001). The mean CRT decreased from 342.3 μm at baseline to 196.6 μm at 1 year (P < 0.001). The mean treatment interval was 9.7 weeks at 1 year (4 weeks in 11 eyes [29.7%], 6 weeks in 1 eye [2.7%], 8 weeks in 2 eyes [5.4%], 10 weeks in 1 eye [2.7%], and 12 weeks in 22 eyes [59.5%]). A larger number of polypoidal lesions at baseline was predictive for patients who could not continue to extend the treatment interval. CONCLUSIONS: IVA using a treat-and-extend regimen is effective for improving BCVA and CRT in eyes with PCV.
PURPOSE: To evaluate the 1-year treatment outcomes of intravitreal aflibercept injections (IVA) using a treat-and-extend regimen for polypoidal choroidal vasculopathy (PCV). METHODS: Thirty-seven eyes with treatment-naive PCV treated with IVA using a treat-and-extend regimen for 1 year were reviewed retrospectively. The main outcome measures were changes in the best-corrected visual acuity (BCVA) and central retinal thickness (CRT), and the treatment interval at 1 year. The predictive factors for patients who could not continue to extend the treatment interval because of poor response to IVA or recurrence were analyzed. RESULTS: The mean logarithm of the minimum angle of resolution BCVA improved from 0.37 at baseline to 0.21 at 1 year (P < 0.001). The mean CRT decreased from 342.3 μm at baseline to 196.6 μm at 1 year (P < 0.001). The mean treatment interval was 9.7 weeks at 1 year (4 weeks in 11 eyes [29.7%], 6 weeks in 1 eye [2.7%], 8 weeks in 2 eyes [5.4%], 10 weeks in 1 eye [2.7%], and 12 weeks in 22 eyes [59.5%]). A larger number of polypoidal lesions at baseline was predictive for patients who could not continue to extend the treatment interval. CONCLUSIONS:IVA using a treat-and-extend regimen is effective for improving BCVA and CRT in eyes with PCV.
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