2 Scopus citations


Purpose: To evaluate effects of the 0.19-mg fluocinolone acetonide (FAc) intravitreal implant (ILUVIEN) on intraocular pressure (IOP) in patients with diabetic macular edema (DME). Design: Secondary analysis of a 36-month, phase IV, nonrandomized, open-label, observational study. Participants: The study included 202 eyes from 159 patients who received the 0.19-mg FAc implant after a successful prior steroid challenge per the United States label indication. Methods: Study eyes were assessed for IOP values, incidence of IOP elevations, and best-corrected visual acuity (BCVA) for up to 36 months post-FAc implant. Results: Mean IOP was stable over 36 months post-FAc; IOP change from baseline peaked at 2.12 mmHg at 9 months, then declined to baseline levels. At 36 months, eyes had a 32.5% cumulative probability of an IOP event > 25 mmHg and a 15.6% probability of an IOP event > 30 mmHg (Kaplan–Meier). The probability of requiring IOP-lowering medication at any time by month 36 was 38.3%. A total of 78% of eyes did not have IOP elevations > 25 mmHg if similar values were seen with the previous steroid challenge. Although 7.4% of eyes had an IOP > 30 mmHg during a scheduled study visit, most exceeded this threshold only once (60%). Regardless of IOP status, mean BCVA remained stable. Conclusions: Over 36 months, the 0.19-mg FAc implant was associated with relatively stable IOPs in patients with DME, and there was no significant impact of IOP elevations identified regarding their effects on long-term visual outcomes. The probability that a prior corticosteroid challenge will not predict an IOP elevation > 25 mmHg over 36 months post-FAc is 22%; therefore, routine IOP monitoring should be scheduled. Financial Disclosure(s): Proprietary or commercial disclosure may be found in the Footnotes and Disclosures at the end of this article.

Original languageEnglish
Pages (from-to)49-54
Number of pages6
JournalOphthalmology Retina
Issue number1
StatePublished - Jan 2024


  • Corticosteroid
  • Diabetic macular edema
  • Fluocinolone acetonide
  • Intraocular pressure
  • Intravitreal implant


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