Skip Navigation LinksHome > April 2014 - Volume 34 - Issue 4 > SYSTEMIC SAFETY OF RANIBIZUMAB FOR DIABETIC MACULAR EDEMA: M...
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doi: 10.1097/IAE.0000000000000116
Review

SYSTEMIC SAFETY OF RANIBIZUMAB FOR DIABETIC MACULAR EDEMA: Meta-analysis of Randomized Trials

Yanagida, Yasuko MD; Ueta, Takashi MD, PhD

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Abstract

Purpose:

To evaluate systemic safety of ranibizumab for diabetic macular edema.

Methods:

MEDLINE, EMBASE, Cochrane Central Register of Controlled Trials, and ClinicalTrials.gov were systematically reviewed. Eligible studies were randomized trials on ranibizumab for diabetic macular edema with observation at least 6 months and ≥80% completion rate that reported systemic adverse events of cerebrovascular accident, myocardial infarction, vascular death, and overall mortality. The numbers of adverse events were compared between patients treated with ranibizumab and those without. Furthermore, dose-dependent effect of ranibizumab was estimated for overall mortality through Poisson meta-regression.

Results:

Six trials with 2,459 patients were included. All trials had exclusion criteria on systemic vascular conditions for enrollment. Risk ratio for cerebrovascular accident, myocardial infarction, vascular death, and overall mortality were 0.80 (95% confidence interval, 0.37–1.73; P = 0.57), 0.91 (95% confidence interval, 0.46–1.80; P = 0.78), 1.29 (95% confidence interval, 0.58–2.86; P = 0.53), and 1.92 (95% confidence interval, 0.78–4.73; P = 0.16), respectively. Poisson regression model showed a significant dose-dependent increase in overall mortality in the largest randomized trial using monthly ranibizumab (P = 0.04). However, the significance disappeared (P = 0.133) when pooled with other studies using ranibizumab on pro re nata basis.

Conclusion:

Ranibizumab for diabetic macular edema is considered safe when the patients are carefully selected based on systemic vascular conditions and it is used on pro re nata basis. Further evaluation is necessary on more intensive use or on high-risk patients.

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