• Tianwei Qian, Xinxin Li, Mengya Zhao, and Xun Xu.
• Department of Ophthalmology, Shanghai Key Laboratory of Ocular Fundus Diseases, Shanghai General Hospital, Shanghai, China.
• Eur. J. Clin. Invest. 2018 Jan 1; 48 (1).

BackgroundCombined treatment with intravitreal anti-vascular endothelial growth factor (anti-VEGF) and verteporfin photodynamic therapy (PDT) is widely used for patients with polypoidal choroidal vasculopathy (PCV), although clinical evidence regarding the therapeutic efficacy and safety of such treatment remains lacking.Design/MethodsWe performed a meta-analysis of previously reported studies comparing combination treatment, PDT monotherapy, and anti-VEGF monotherapy. Primary outcome measures included changes in best-corrected visual acuity (BCVA) and central retinal thickness (CRT). The proportion of patients with polyp regression was regarded as the secondary outcome measure.ResultsTwenty studies (three RCTs and 19 retrospective studies) involving 1,178 patients with PCV were selected. Significant differences in the proportion of patients with polyps were observed between the PDT and anti-VEGF monotherapy groups at 3 and ≥6 months (P < .00001; and P = .0001, respectively). Significantly greater reductions in CRT were observed in the anti-VEGF than in the PDT group at the 3-month follow-up (P = .04). Significantly greater improvements in BCVA were observed in the combined therapy group than in the PDT monotherapy group at 3, 6, 12, and 24 months (P = .03; P = .005; P = .02; and P < .00001, respectively). Combined treatment also resulted in significantly greater improvements in BCVA than monotherapy with anti-VEGF at 6 and 24 months (P = .001; P < .00001, respectively), and significantly greater polyp regression than that observed following anti-VEGF treatment at 3 and ≥6 months (P < .00001; P < .0001, respectively).ConclusionsCombined therapy involving anti-VEGF agents and PDT may be more effective in improving long-term outcomes for patients with PCV than monotherapy.© 2017 The Authors. European Journal of Clinical Investigation published by John Wiley & Sons Ltd on behalf of Stichting European Society for Clinical Investigation Journal Foundation.

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