Clinical & experimental ophthalmology · 2021
Neovascular age-related macular degeneration at treatment intervals of 14 weeks or greater.
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Cornish Elisa E, Nguyen Vuong, Young Stephanie, Fraser-Bell Samantha, Guymer Robyn, Squirrell David, Barthelmes Daniel, Gillies Mark C
Аннотация
BACKGROUND: We assessed the proportion of eyes with neovascular age-related macular degeneration (nAMD) in routine clinical practice that reach ≥14 week treatment intervals and their outcomes.
METHOD: We analysed data from the Fight Retinal Blindness! (FRB!) Project database, a prospectively designed registry of 'real-world' outcomes. Treatment-naive eyes starting vascular endothelial growth factor (VEGF) inhibitors for nAMD from 1st January 2006 were included. Eyes were defined to have reached the ≥14 week treatment interval if they received ≥2 consecutive injections at treatment intervals of ≥14 week but not exceeding 26 weeks. Outcomes were reported in a subgroup of eyes that had 12 months of follow-up from reaching this interval.
RESULTS: Of the 3907 treatment-naïve eyes that started treatment during the identified periods on a treat-and-extend regimen and received at least 8 injections over the first 2 years, 402 (10%) eyes received at least 2 consecutive injections at an interval of ≥14 week during their follow-up. Fifty-two percent of these eyes maintained vision to 12 months, however only 40% stayed at this interval and 25% of the lesions reactivated.
CONCLUSION: We found that only 10% of eyes with nAMD were extended beyond a 13-week injection interval and that over half had returned to a shorter interval by 12 months. Eyes that stayed at this extended treatment interval maintained stable vision. More data on the outcomes of eyes treated with intervals longer than 3 months are required to establish whether emerging VEGF inhibitors provide a more sustained effect than the currently available drugs.
METHOD: We analysed data from the Fight Retinal Blindness! (FRB!) Project database, a prospectively designed registry of 'real-world' outcomes. Treatment-naive eyes starting vascular endothelial growth factor (VEGF) inhibitors for nAMD from 1st January 2006 were included. Eyes were defined to have reached the ≥14 week treatment interval if they received ≥2 consecutive injections at treatment intervals of ≥14 week but not exceeding 26 weeks. Outcomes were reported in a subgroup of eyes that had 12 months of follow-up from reaching this interval.
RESULTS: Of the 3907 treatment-naïve eyes that started treatment during the identified periods on a treat-and-extend regimen and received at least 8 injections over the first 2 years, 402 (10%) eyes received at least 2 consecutive injections at an interval of ≥14 week during their follow-up. Fifty-two percent of these eyes maintained vision to 12 months, however only 40% stayed at this interval and 25% of the lesions reactivated.
CONCLUSION: We found that only 10% of eyes with nAMD were extended beyond a 13-week injection interval and that over half had returned to a shorter interval by 12 months. Eyes that stayed at this extended treatment interval maintained stable vision. More data on the outcomes of eyes treated with intervals longer than 3 months are required to establish whether emerging VEGF inhibitors provide a more sustained effect than the currently available drugs.