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Reviews

Nonbiological pharmacotherapies for the treatment of diabetic macular edema

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Bibliography

  • Papers of special note have been highlighted as either of interest (•) or of considerable interest (••) to readers.
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•This review article summarizes the lessons learnt in the management of diabetic macular edema based on the level I evidence from various large, multicenter clinical trials

  • Amoaku WM, Saker S, Stewart EA. A review of therapies for diabetic macular oedema and rationale for combination therapy. Eye. 2015. doi:10.1038/eye.2015.110.
  • Brown DM, Nguyen QD, Marcus DM, et al. Long-term outcomes of ranibizumab therapy for diabetic macular edema: the 36-month results from two phase III trials: RISE and RIDE. Ophthalmology. 2013;120:2013–2022.

••This is a landmark trial that provided evidence of the safety and efficacy of ranibizumab in the treatment of diabetic macular edema

  • Do DV, Nguyen QD, Khwaja AA, et al. Ranibizumab for edema of the macula in diabetes study: 3-year outcomes and the need for prolonged frequent treatment. JAMA Ophthalmol. 2013;131:139–145.

••This study is an extension of the pivotal clinical trial evaluating the efficacy of ranibizumab in the treatment of diabetic macular edema.

  • Wells JA, Glassman AR, Ayala AR, et al. Aflibercept, bevacizumab, or ranibizumab for diabetic macular edema. N Engl J Med. 2015;372:1193–1203.

••This is an important study providing head-to-head comparison of three anti-VEGF agents, ranibizumab, aflibercept and bevacizumab, in the management of diabetic macular edema.

  • Rajendram R, Fraser-Bell S, Kaines A, et al. A 2-year prospective randomized controlled trial of intravitreal bevacizumab or laser therapy (BOLT) in the management of diabetic macular edema: 24-month data: report 3. Arch Ophthalmol. 2012;130:972–979.
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••This study demonstrates the efficacy of sustained-release dexamethasone intravitreal implant in the management of diabetic macular edema

  • Agarwal A, Gupta V, Ram J, et al. Dexamethasone intravitreal implant during phacoemulsification. Ophthalmology. 2013; 120:211, 11 e1–5.

••This study demonstrated the role of dexamethasone implant in improving visual outcomes following cataract surgery in patients with diabetes.

  • Gillies MC, Lim LL, Campain A, et al. A randomized clinical trial of intravitreal bevacizumab versus intravitreal dexamethasone for diabetic macular edema: the BEVORDEX study. Ophthalmology. 2014;121:2473–2481.
  • Tanito M, Hara K, Takai Y, et al. Topical dexamethasone-cyclodextrin microparticle eye drops for diabetic macular edema. Invest Ophthalmol Vis Sci. 2011;52:7944–7948.
  • Arcinue CA, Ceron OM, Foster CS. A comparison between the fluocinolone acetonide (Retisert) and dexamethasone (Ozurdex) intravitreal implants in uveitis. J Ocul Pharmacol Ther. 2013;29:501–507.
  • Sadiq MA, Agarwal A, Soliman MK, et al. Sustained-release fluocinolone acetonide intravitreal insert for macular edema: clinical pharmacology and safety evaluation. Expert Opin Drug Saf. 2015;14:1147–1156.
  • Pearson PA, Comstock TL, Ip M, et al. Fluocinolone acetonide intravitreal implant for diabetic macular edema: a 3-year multicenter, randomized, controlled clinical trial. Ophthalmology. 2011;118:1580–1587.
  • Campochiaro PA, Hafiz G, Shah SM, et al. Sustained ocular delivery of fluocinolone acetonide by an intravitreal insert. Ophthalmology. 2010;117:1393–9 e3.
  • Campochiaro PA, Nguyen QD, Hafiz G, et al. Aqueous levels of fluocinolone acetonide after administration of fluocinolone acetonide inserts or fluocinolone acetonide implants. Ophthalmology. 2013;120:583–587.
  • Campochiaro PA, Brown DM, Pearson A, et al. Sustained delivery fluocinolone acetonide vitreous inserts provide benefit for at least 3 years in patients with diabetic macular edema. Ophthalmology. 2012;119:2125–2132.

•This clinical trial demonstrated the long-term benefit of the sustained-release next generation fluocinolone acetonide implant in the management of diabetic macular edema.

  • Schwartz SG, Flynn HW Jr., Scott IU. Intravitreal corticosteroids in the management of diabetic macular edema. Curr Ophthalmol Rep. 2013;1. doi:10.1007/s40135-013-0015-3.
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  • Diabetic Retinopathy Clinical Research Network. A randomized trial comparing intravitreal triamcinolone acetonide and focal/grid photocoagulation for diabetic macular edema. Ophthalmology. 2008; 115:1447–1449, 49 e1–10.
  • Gillies MC, Sutter FK, Simpson JM, et al. Intravitreal triamcinolone for refractory diabetic macular edema: two-year results of a double-masked, placebo-controlled, randomized clinical trial. Ophthalmology. 2006;113:1533–1538.
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•This clinical trial by the Diabetic Retinopathy Clinical Research Network demonstrated the superiority of ranibizumab over laser therapy for the treatment of diabetic macular edema over long term.

  • Googe J, Brucker AJ, Bressler NM, et al. Randomized trial evaluating short-term effects of intravitreal ranibizumab or triamcinolone acetonide on macular edema after focal/grid laser for diabetic macular edema in eyes also receiving panretinal photocoagulation. Retina. 2011;31:1009–1027.
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  • Ampio Pharmaceuticals Announces Positive Study Results on Optina for the Treatment of Diabetic Macular Edema. 2015; [cited 2015 Jul 28]. Available from: http://ampiopharma.com/news/ampio-pharmaceuticals-announces-positive-study-results-on-optina-for-the-treatment-of-diabetic-macular-edema/
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••This comprehensive systematic review elucidates the present role of topical non-steroidal anti-inflammatory drug therapy in the management of diabetic macular edema.

  • Shen J, Frye M, Lee BL, et al. Targeting VE-PTP activates TIE2 and stabilizes the ocular vasculature. J Clin Invest. 2014;124:4564–4576.
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••This study provides evidence of usefulness of targeting the TIE2 angiogenic pathway for treating diabetic macular edema.

  • The TIME-2 Study: A Phase 2 Study of AKB-9778, a Novel Tie-2 Activator, in Patients With Diabetic Macular Edema. 2014; [cited 2015 Jul 29]. Available from: https://clinicaltrials.gov/ct2/show/NCT02050828
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••This multicenter clinical trial established the efficacy of designed ankyrin repeat proteins (DARPins), a novel class of drugs, in treating macular edema due to diabetes.

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