4.4 Article

CONSEQUENCES OF LAPSES IN TREATMENT WITH VASCULAR ENDOTHELIAL GROWTH FACTOR INHIBITORS IN NEOVASCULAR AGE-RELATED MACULAR DEGENERATION IN ROUTINE CLINICAL PRACTICE

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LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/IAE.0000000000002888

Keywords

age-related macular degeneration; anti-vascular endothelial growth factor inhibitors; macula; neovascular age-related macular degeneration; optical coherence tomography; retina

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The study found that patients with neovascular age-related macular degeneration who experience treatment lapses may exhibit significant increase in central subfield thickness and loss in visual acuity. Although macular thickness normalizes on resumption of treatment, their decline in visual acuity does not recover within 12 months of follow-up.
Purpose: Evaluating outcomes in patients receiving intravitreal antivascular endothelial growth factor (VEGF) inhibitors for neovascular age-related macular degeneration whom experience a lapse in treatment. Methods: A retrospective chart review evaluating 3,304 patients >= 18 years who experienced treatment lapses >= 3 months compared with control counterparts. Demographic information, macular thickness as measured by central subfield thickness, and visual acuity were collected at baseline, the first postlapse appointment, and at 3, 6, and 12 months after the lapse for the study group. Results: Lapse (n = 241) and control patients (n = 241) had similar baseline visual acuity and central subfield thickness (Early Treatment Diabetic Retinopathy Study: 58.9 +/- 20.2 [20/63] vs. 59.2 +/- 20.1 [20/63]; central subfield thickness: 252.4 +/- 63.2 mu m vs. 259.8 +/- 66.2 mu m, P = 0.21). Analysis revealed that lapse patients experienced a significant increase in central subfield thickness after lapse when compared with controls (279.4 +/- 86.9 mu m vs. 253.7 +/- 65.9 mu m, P < 0.01), which normalized on resumption of treatment (259.1 +/- 79 mu m vs. 246.8 +/- 57.6 mu m, P = 0.06). Study patients also experienced loss in the visual acuity after lapse when compared with controls (52.9 +/- 23.6 Early Treatment Diabetic Retinopathy Study [20/100] vs. 59.9 +/- 20.8 [20/63] Early Treatment Diabetic Retinopathy Study, P < 0.01) that did not recover through 12 months of follow-up. Conclusion: Patients with neovascular age-related macular degeneration who have lapses in care are at risk for poorer outcomes. Although macular thickness normalizes on resumption of treatment, their decline in the visual acuity does not recover.

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