Journal List > J Korean Ophthalmol Soc > v.60(8) > 1130604

Kang, Shin, Suh, Cho, Tchoe, Yang, and Jee: Intravitreal Injection of Anti-vascular Endothelial Growth Factor in Age-related Macular Degeneration: a Systematic Review

Abstract

Purpose

To compare the efficacy and safety of intravitreal injections of bevacizumab, ranibizumab, and aflibercept for the treatment of new patients with age-related macular degeneration (AMD).

Methods

We conducted an update of the most recent and high quality systematic reviews (Canadian Agency for Drug Technology in Health [CADTH] 2016). Three randomized clinical trials were added to 13 trials identified from the CADTH report. The efficacy outcomes were 1) average improvement in visual acuity, 2) proportion of patients who experienced an improvement in vision (an increase in best-corrected visual acuity (BCVA) of ≥ 15 on Early Treatment Diabetic Retinopathy Study [ETDRS] letters), and 3) proportion of patients who experienced worsening of vision (decrease in BCVA of ≥ 15 ETDRS letters). In addition, safety outcomes included systemic adverse events and ocular-related adverse events. To analyze the outcomes of 16 randomized controlled trials, we conducted meta-analyses on the outcome measures.

Results

There was no significant difference in efficacy outcomes among anti-vascular endothelial growth factor (anti-VEGF) drugs. The mean difference in BCVA between ranibizumab and bevacizumab was 0.33 (95% confidence interval [CI]: −1.29, 1.95), and the odds ratio (OR) for a vision gain in the BCVA of ≥ 15 ETDRS letters for the ranibizumab versus aflibercept treatment was 1.02 (95% CI: 0.80, 1.30). There was also no significant difference in safety outcomes, except in terms of arterial thromboembolic events (ranibizumab vs. bevacizumab; OR: 2.15; 95% CI: 1.04, 4.41).

Conclusions

The efficacy of anti-VEGF drugs for AMD patients was not significantly different. The safety of the drugs was also not significantly different, except in terms of arterial thromboembolic events.

Figures and Tables

Table 1

Population, intervention, comparator, and outcomes (PICO) of the study

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Table 2

Assessment of risk of bias

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Table 3

Studies of randomized clinical trials included in the final analysis

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VEGF = vascular endothelial growth factor; BCVA = best corrected visual acuity; ETDRS = early treatment diabetic retinopathy study; AMD = age-related macular degeneration; CMT = central macular thickness.

Table 4

Results of meta-analysis of anti-vascular endothelial growth factor for age-related macular degeneration

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CI = confidence interval; BCVA = best corrected visual acuity; ETDRS = early treatment diabetic retinopathy study.

Table 5

Results of network meta-analysis of anti-vascular endothelial growth factor

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CI = confidence interval; P = posteriori probability; MD = mean difference.

Table 6

Results of network meta-analysis of anti-vascular endothelial growth factor: increase of BCVA >ETDRs 15 letter

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BCVA = best corrected visual acuity; ETDRS = early treatment diabetic retinopathy study.

Table 7

Results of network meta-analysis of anti-vascular endothelial growth factor: increase of BCVA <ETDRs 15 letter

jkos-60-748-i007

BCVA = best corrected visual acuity; ETDRS = early treatment diabetic retinopathy study.

Notes

The authors acknowledge the financial support of the National Research Foundation of Korea Grant funded by the Korean government (MSIP) (No NRF-2016R1D1A1B03932606), and of the National Evidence-based Healthcare Collaborating Agency of Korea (NECA-A-17-003).

Conflicts of Interest The authors have no conflicts to disclose.

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