Efficacy and Safety of a Dexamethasone Implant in Patients with Diabetic Macular Edema at Tertiary Centers in Korea

Byung Gil Moon, Joo Yong Lee, Hyeong Gon Yu, Ji Hun Song, Young Hoon Park, Hyun Woong Kim, Yong Sok Ji, Woohyok Chang, Joo Eun Lee, Jaeryung Oh, Inyoung Chung

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Abstract

Purpose. To evaluate the real-world efficacy and safety of the dexamethasone implant (DEX implant) in patients with diabetic macular edema (DME). Methods. Retrospective, multicenter, and noncomparative study of DME patients who were treated with at least one DEX implant. A total of 186 eyes from 165 patients were included. Best-corrected visual acuity (BCVA), central retinal thickness (CRT), complications, and number of retreatments were collected. Data at baseline and monthly for 6 months were analyzed. Results. The average baseline BCVA and CRT were 0.60 LogMAR and 491.6 μm, respectively. The mean BCVA improved until 3 months and then decreased up to 6 months of follow-up (0.53, 0.49, and 0.55 LogMAR at 1, 3, and 6 months; p=0.001, <0.001, and 0.044, resp.). The change of mean CRT was similar to BCVA (345.0, 357.7, and 412.5 μm at 1, 3, and 6 months, p<0.001, <0.001, and <0.001, resp.). 91 eyes (48.9%) received additional treatment with anti-VEGF or DEX implant. The average treatment-free interval was 4.4 months. In group analyses, the DEX implant was more effective in pseudophakic eyes, DME with subretinal fluid (SRF), or diffuse type. Conclusions. Intravitreal dexamethasone implants are an effective treatment for patients with DME, most notably in pseudophakic eyes, DME with SRF, or diffuse type. A half of these patients require additional treatment within 6 months.

Original languageEnglish
Article number9810270
JournalJournal of Ophthalmology
Volume2016
DOIs
Publication statusPublished - 2016

ASJC Scopus subject areas

  • Ophthalmology

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    Moon, B. G., Lee, J. Y., Yu, H. G., Song, J. H., Park, Y. H., Kim, H. W., Ji, Y. S., Chang, W., Lee, J. E., Oh, J., & Chung, I. (2016). Efficacy and Safety of a Dexamethasone Implant in Patients with Diabetic Macular Edema at Tertiary Centers in Korea. Journal of Ophthalmology, 2016, [9810270]. https://doi.org/10.1155/2016/9810270