PurposeTo evaluate the long-term safety of dexamethasone intravitreal implant (DEX) in patients treated for macular edema associated with retinal vein occlusion (RVO) or noninfectious posterior segment uveitis (NIPSU) in clinical practice.Patients and methodsMulticenter (102 sites in France, Germany, Spain, UK), prospective, observational, post-authorization safety study in adult patients treated with DEX. Data collected up to 2 years after enrollment included serious adverse events (SAEs) and adverse events of special interest (AESIs; adverse drug reactions that are considered important risks associated with DEX and listed in the European Union Ozurdex Risk Management Plan).ResultsOverall, 803 patients (652 RVO, 151 NIPSU) received on-study DEX treatment, and 73.1% completed 24 months of follow-up; 72.6% were DEX-naïve. Median number of on-study injections per treated eye was 2 (range, 1–7); median reinjection interval was 27.1 weeks. Nonocular SAEs affected 9.5% of patients; none were considered DEX-related. Ocular SAEs (most common: cataract progression) occurred in 3.2% of treated eyes. SAEs were similar in eyes stratified by previous DEX use and number of on-study DEX injections (≤2 or >2), in both RVO and NIPSU. The most common AESIs were cataract formation and progression (20.0% and 19.2% of treated phakic eyes, n=551), increased intraocular pressure (19.0% of treated eyes), and vitreous hemorrhage (3.3% of treated eyes). Cataract progression was more frequent in baseline phakic eyes that were previously treated with DEX or received >2 on-study DEX injections.ConclusionThe long-term safety profile of DEX was acceptable. No new safety concerns were identified.

Background/Aims: The present study evaluates the burden of neovascular age-related macular degeneration (nAMD) to Healthcare System and patients, describing the management and treatment effectiveness in routine clinical practice in Spain. Methods: Observational, non-interventional, cross-sectional, retrospective (24 months), multicentre study including patients who started treatment with licensed vascular endothelial growth factor inhibitors (anti-VEGF) for nAMD with a minimum follow up of 24 months. Results: 126 evaluable patients were included with mean (SD) age of 79.1 (7.5) years. From diagnosis, it took a mean (SD) of 0.5 (0.5) months for the first treatment. Throughout 24 months, mean (SD) number of visits per patient was 16.0 (5.0), 9.4 (4.3) associated intravitreal injection. There were 1186 injection visits, 53.6% of them only with injection and 46.3% with injection and tests. After loading phase, preferred treatment regimens were T&E (46.0%), PRN (44.4%), fixed regimen (4.0%), and others (5.6%). Total number of visits in patients with T&E and PRN were 16.5 (5.7) and 15.5 (4.7), respectively. After complete loading phase, mean (SD) time between two consecutive treatment injections was 2.2 (1.6) months. 27.8% patients underwent a treatment change, being lack of response the most frequent reason to change (43.2%). Mean (SD) best-corrected visual acuity change was 2.1 (15.9) letters at 24 months. Conclusion: This study showed an important burden to Healthcare System and patients related to monitoring visits. More efficacious and longer lasting treatments could be useful to increase treatment intervals, thus reducing the burden of patients and caregivers and the use of healthcare resources.

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