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Details

Autor(en) / Beteiligte
Titel
Differential Response to Anti-VEGF Regimens in Age-Related Macular Degeneration Patients with Early Persistent Retinal Fluid
Ist Teil von
  • Ophthalmology (Rochester, Minn.), 2016-09, Vol.123 (9), p.1856-1864
Ort / Verlag
United States: Elsevier Inc
Erscheinungsjahr
2016
Quelle
Access via ScienceDirect (Elsevier)
Beschreibungen/Notizen
  • Purpose To compare the effect of intravitreal aflibercept or ranibizumab drug type and frequency on visual acuity outcomes in eyes with neovascular age-related macular degeneration (NVAMD) and early persistent retinal fluid after 3 initial monthly injections. Design A post hoc analysis of eyes enrolled in VIEW 1 and VIEW 2, 2 similarly designed, randomized, phase 3 trials. Participants A total of 1815 eyes with NVAMD from VIEW 1 and VIEW 2. Methods Analyses included patients with known fluid status at baseline and weeks 4, 8, and 12 in 3 treatment groups: ranibizumab 0.5 mg every 4 weeks (Rq4) (n = 595), intravitreal aflibercept injection (IAI) 2 mg every 4 weeks (2q4) (n = 613), and IAI 2 mg every 8 weeks (2q8) after 3 monthly injections (n = 607). Main Outcome Measures Mean best-corrected visual acuity (BCVA) change from baseline over weeks 16 to 52 and the proportion of eyes that gained ≥15 letters or lost ≥5 letters were evaluated in eyes with and without persistent fluid (cystic intraretinal or subretinal fluid at all 4 initial visits). Visual outcomes also were assessed in eyes with persistent fluid by fluid type (intraretinal and subretinal fluid). Results The proportions of eyes with persistent fluid were 29.4%, 18.8%, and 20.3% in the Rq4, 2q4, and 2q8 groups, respectively. In these eyes, mean BCVA gain from baseline to week 52 was greater with 2q4 compared with Rq4 ( P < 0.01) and 2q8 ( P < 0.05), whereas it was similar with Rq4 and 2q8 ( P  = 0.294). At week 52, similar proportions of eyes gained ≥15 letters (31.5%–35.2%), whereas fewer eyes lost ≥5 letters with 2q4 compared with Rq4 and 2q8 (6.5% vs. 16.6% and 16.2%). The pattern of visual outcomes was similar regardless of fluid type. In eyes without persistent fluid, BCVA changes were similar across treatment groups. Conclusions In patients with early persistent fluid, 2q4 may provide additional clinical benefit over 2q8 or Rq4.

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