Ranibizumab: A Review of Its Use in the Treatment of Diabetic Retinopathy in Patients With Diabetic Macular Edema.

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Akiyode O, Dunkelly-Allen N

Ranibizumab: A Review of Its Use in the Treatment of Diabetic Retinopathy in Patients With Diabetic Macular Edema.

J Pharm Technol. 2016 Feb;32(1):22-28. doi: 10.1177/8755122515599552. Epub 2015 Aug 12.

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34860956 [ View in PubMed
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Abstract

Objective: To evaluate the pharmacotherapy role of ranibizumab, a vascular endothelial growth factor (VEGF) inhibitor, for the treatment of diabetic retinopathy (DR) in patients with diabetic macular edema (DME). Data Sources: PubMed, Science Direct, Google Scholar, and ClinicalTrials.gov searches (January 2000-May 2015) were conducted for articles published in English, and limited to clinical trials using the key words ranibizumab, DR, DME, anti-VEGF, and DR treatment. Study Selection and Data Extraction: Following PubMed, Science Direct, Google Scholar, and ClinicalTrials.gov searches, 4 clinical trials were identified and included in this review. Phase III/IV studies evaluating the clinical efficacy of ranibizumab versus placebo, ranibizumab versus laser, and ranibizumab versus other anti-VEGF agents were selected and evaluated. Data Synthesis: Ranibizumab administered to patients with DME for 12 to 36 months improved and prevented worsening of visual acuity. At month 36 the ranibizumab-treated eyes had a >2 or >3 step DR improvement compared with the sham crossover eyes. Ranibizumab was also found to be superior to laser treatment. Patients receiving ranibizumab gained 6.0 letters, improved tritan and protan color contrast thresholds, and demonstrated improved retinal sensitivity versus the subjects receiving laser treatment who lost 0.9 letters. When ranibizumab was compared with other anti-VEGF agents (aflibercept, pegaptanib, and bevacizumab), it was not always demonstrated to be significantly superior. Conclusion: Ranibizumab has been shown to be safe and efficacious for use in the treatment of DR in patients with DME. Thus, it is an alternative treatment approach to laser photocoagulation therapy.

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