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Updated: Apr 6, 2026

Retinal Pigment Epithelium Transplantation in a Non-human Primate Model for Degenerative Retinal Diseases
Published on: June 14, 2021
RESOLUTION OF A GIANT PIGMENT EPITHELIAL DETACHMENT WITH HALF-DOSE AFLIBERCEPT
Aaron Nagiel1, Srinivas R Sadda, Steven D Schwartz
1*Division of Retinal Disorders and Ophthalmic Genetics, Stein Eye Institute, Los Angeles, California; †Doheny Eye Institute, Los Angeles, California; and ‡Division of Retina, Stein Eye Institute, University of California Los Angeles Geffen School of Medicine, Los Angeles, California.
Purpose:
To describe the use of half-dose anti-vascular endothelial growth factor therapy in a patient with giant pigment epithelial detachments.
Methods:
Observational case report. A 76-year-old woman with neovascular age-related macular degeneration presented with massive bilateral pigment epithelial detachments measuring over 1000 μm in height. Her right eye was treated with standard-dose aflibercept, which led to two large retinal pigment epithelium tears. Treatment of the left eye with half-dose aflibercept led to complete resolution of the detachment without tear formation.
Results:
Half-dose anti-vascular endothelial growth factor therapy resulted in resolution of a giant pigment epithelial detachment ∼1500 μm in maximal height and 10 mm in diameter.
Conclusion:
Reduced-dose anti-vascular endothelial growth factor therapy may be considered as a treatment option for very large pigment epithelial detachments at high risk for retinal pigment epithelium tear formation.
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