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Intravitreal Aflibercept Versus Photodynamic Therapy in Chinese Patients with Neovascular Age-Related Macular Degeneration: Outcomes of the SIGHT Study


ABSTRACT: Abstract Purpose: SIGHT compared intravitreal aflibercept injections (IAI) with photodynamic therapy (PDT) in Chinese patients with predominantly classic choroidal neovascularization (CNV) secondary to neovascular age-related macular degeneration (nAMD). Methods: Patients were randomized 3:1 to IAI (2?mg every 8 weeks after 3 initial monthly injections)/sham PDT or active PDT/sham IAI (with switch to IAI at week 28). We report the primary outcome (mean change in best-corrected visual acuity [BCVA] at week 28) and final 52-week outcomes. Results: Patients were randomized to IAI (n?=?228) or PDT (n?=?76) (mean age: 65.1 years). Mean BCVA change was +14.0 (IAI) versus +3.9 letters (PDT?IAI) (week 28) and +15.2 versus +8.9 letters (between-group difference: 6.2 letters; P?=?0.0009) (week 52); mean reduction in central retinal thickness was ?189.6 versus ?170.0??m (week 52). The greatest improvements in BCVA with IAI were in youngest patients (<65 years), and in those with a smaller active component of the CNV lesion (<50% of lesion size). The most common ocular treatment-emergent adverse events (study eye; IAI vs. PDT?IAI) were macular fibrosis (11.8% vs. 6.6%) and visual acuity reduced (6.6% vs. 21.1%). Three treatment-emergent Antiplatelet Trialists' Collaboration-defined arterial thromboembolic events were observed but none was considered drug related. Conclusions: IAI demonstrated superiority over PDT in Chinese nAMD patients. The benefits of IAI were maintained through week 52 in all patients, including subgroups, and in patients who switched from PDT to IAI. The incidence of adverse events was consistent with the known safety profile of IAI. Trial registration number NCT01482910.

SUBMITTER: Li X 

PROVIDER: S-EPMC5512466 | biostudies-literature | 2017 Jul

REPOSITORIES: biostudies-literature

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