Purpose: Age-related macular degeneration (AMD) is a leading cause of irreversible vision loss, particularly neovascular AMD (nAMD). This study aimed to investigate the real-world treatment patterns, effectiveness, and safety of intravitreal anti-vascular endothelial growth factor (anti-VEGF) therapies for anti-VEGF naïve nAMD patients in Italy. Methods: RADIANCE is a retrospective, observational, multicenter cohort study conducted at 13 clinical sites across Italy. The study enrolled all consecutive patients with nAMD, naïve to any intraocular anti-VEGF treatment and who initiated therapy with aflibercept, ranibizumab, or bevacizumab between January 2017 and November 2018. The primary objective of this study was to evaluate changes in visual acuity (VA) 52 weeks after initiating treatment with anti-VEGF. Results: A total of 405 patients were enrolled; of these, 263 patients had at least two VA measurements and were included in the completer analysis (CA) set. At 52 weeks, the median VA change from baseline in the CA set was +1 letter, with 41.1% showing ≥ 5-letter improvement. Stratified by anti-VEGF agent, no statistically significant differences were observed. Overall, patients received a median of 5.0 (25th–75th percentile 3–6) injections of the initial anti-VEGF agent during the first year. Patients receiving ≥ 6 injections in the first year showed better VA outcomes. Undertreatment was evident at decreasing injection frequency over time. Conclusion: The results of the RADIANCE study suggest an overall moderate effectiveness after 1 year of treatment with anti-VEGF in naïve patients with nAMD in Italy. Real-world outcomes demonstrated suboptimal treatment with no significant differences among anti-VEGF agents.
Real-world evidence of anti-VEGF therapies in patients with neovascular age-related macular degeneration in Italy: The RADIANCE study
Lanzetta P.
2025-01-01
Abstract
Purpose: Age-related macular degeneration (AMD) is a leading cause of irreversible vision loss, particularly neovascular AMD (nAMD). This study aimed to investigate the real-world treatment patterns, effectiveness, and safety of intravitreal anti-vascular endothelial growth factor (anti-VEGF) therapies for anti-VEGF naïve nAMD patients in Italy. Methods: RADIANCE is a retrospective, observational, multicenter cohort study conducted at 13 clinical sites across Italy. The study enrolled all consecutive patients with nAMD, naïve to any intraocular anti-VEGF treatment and who initiated therapy with aflibercept, ranibizumab, or bevacizumab between January 2017 and November 2018. The primary objective of this study was to evaluate changes in visual acuity (VA) 52 weeks after initiating treatment with anti-VEGF. Results: A total of 405 patients were enrolled; of these, 263 patients had at least two VA measurements and were included in the completer analysis (CA) set. At 52 weeks, the median VA change from baseline in the CA set was +1 letter, with 41.1% showing ≥ 5-letter improvement. Stratified by anti-VEGF agent, no statistically significant differences were observed. Overall, patients received a median of 5.0 (25th–75th percentile 3–6) injections of the initial anti-VEGF agent during the first year. Patients receiving ≥ 6 injections in the first year showed better VA outcomes. Undertreatment was evident at decreasing injection frequency over time. Conclusion: The results of the RADIANCE study suggest an overall moderate effectiveness after 1 year of treatment with anti-VEGF in naïve patients with nAMD in Italy. Real-world outcomes demonstrated suboptimal treatment with no significant differences among anti-VEGF agents.File | Dimensione | Formato | |
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