ArticleCureus2024
Early Optical Coherence Tomography Signs of Erdafitinib-Induced Retinopathy.
Article in Cureus, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Authors and funding
5 authors.
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Abstract
A 64-year-old male presented for a baseline ophthalmic exam before beginning erdafitinib, a fibroblast growth factor receptor (FGFR) inhibitor, for stage 4 papillary urothelial cancer. Baseline optical coherence tomography (OCT) and ophthalmic examination were unremarkable. After one month of treatment, his OCT demonstrated a significant thickening of the ellipsoid zone and prominence of the interdigitation zones along with a small amount of subretinal fluid. Two months after discontinuation of the medication, the OCT returned to baseline. Erdafitinib is a Food and Drug Administration (FDA)-approved treatment for unresectable or metastatic urothelial cancer with FGFR2 or FGFR3 mutations. However, retinal toxicity can ensue with the initiation of the drug and cause subjective vision changes and OCT abnormalities. The drug may exert toxic effects on retinal pigment epithelium, which may be seen through interval OCTs and visualization of the interdigitation zone. Therefore, pronunciation of the ellipsoid and interdigitation zone on OCT may allow for surveillance of early manifestations of erdafitinib-induced retinal toxicity.
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