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Clinical Trial
, 36 (6), 1143-52

INTRAOCULAR PRESSURE IN PATIENTS WITH DIABETIC MACULAR EDEMA TREATED WITH DEXAMETHASONE INTRAVITREAL IMPLANT IN THE 3-YEAR MEAD STUDY

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Clinical Trial

INTRAOCULAR PRESSURE IN PATIENTS WITH DIABETIC MACULAR EDEMA TREATED WITH DEXAMETHASONE INTRAVITREAL IMPLANT IN THE 3-YEAR MEAD STUDY

Raj K Maturi et al. Retina.

Abstract

Purpose: To evaluate the occurrence, management, and clinical significance of increases in intraocular pressure (IOP) in patients with diabetic macular edema treated with dexamethasone intravitreal implant (DEX implant).

Methods: Randomized, multicenter, 3-year, Phase III study. Patients (N = 1,048) with diabetic macular edema were randomized to DEX implant 0.7-mg, DEX implant 0.35-mg, or sham procedure with retreatment allowed at ≥6-month intervals (seven injections maximum).

Results: In the DEX implant 0.7-mg, DEX implant 0.35-mg, and sham groups, respectively, ≥10-mmHg IOP increases from baseline occurred in 27.7%, 24.8%, and 3.7% of patients, and their frequency did not increase with repeat injections. IOP-lowering medication was used by 41.5%, 37.6%, and 9.1% of patients. Only one patient (0.3%) in each DEX implant group had filtering surgery to manage a steroid-induced IOP increase. Among DEX implant 0.7-mg-treated patients with and without a ≥10-mmHg IOP increase, 21.9% (21 of 96) and 22.4% (57 of 255), respectively, achieved ≥15-letter best-corrected visual acuity gain at the end of the study, and mean average change in central retinal thickness from baseline was -127 μm and -106 μm, respectively.

Conclusion: DEX implant demonstrated clear benefit of treatment despite increases in IOP. Sequential implants had no cumulative effect on IOP.

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