Clinical applications of cost analysis of diabetic macular edema treatments

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26 Scopus citations


Objective: To apply cost-benefit analyses in specific circumstances in which the results of multiple modalities of treating diabetic macular edema (DME) are similar, as a basis for considering economic ramifications in clinically relevant applications. Design: A model of resource use, outcomes, and cost-effectiveness and utility. Participants: There were no participants. Methods: Results from published clinical trials (index studies) of laser, intravitreal corticosteroids, intravitreal anti-vascular endothelial growth factor (VEGF) agents, and vitrectomy trials were used to ascertain visual benefit and clinical protocols of patients with DME. Calculations followed from the costs of 1 year of treatment for each modality and the visual benefits as ascertained. Main Outcome Measures: Visual acuity (VA) saved, cost of therapy, cost per line saved, cost per line-year saved, and costs per quality-adjusted life years (QALYs) saved. Results: Four specific situations were observed or analyzed: (1) Treatment results for DME causing VA loss <20/200 show at least as much visual benefit for intravitreal triamcinolone (IVTA) versus laser; (2) a subgroup analysis of pseudophakic DME eyes shows equivalent visual results with anti-VEGF treatment versus laser combined with IVTA; (3) eyes with VA of <20/32 have been studied only by laser; and (4) less frequent use of aflibercept yields equivalent visual results as more frequent treatment. When the results are equivalent, opting for the less-expensive treatment option could yield cost savings of 40% to 88%. Conclusions: Cost-effectiveness analyses can be clinically relevant and may be considered when formulating and applying treatment strategies for some subsets of patients with DME. Financial Disclosure(s): The author(s) have no proprietary or commercial interest in any materials discussed in this article.

Original languageEnglish (US)
Pages (from-to)2558-2562
Number of pages5
Issue number12
StatePublished - Dec 2012

ASJC Scopus subject areas

  • Ophthalmology


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