Intravitreal injection of pegcetacoplan associated with presumed silicone oil droplets: JAMA
Recently, intravitreal pegcetacoplan became the first drug to gain US Food and Drug Administration approval for the treatment of geographic atrophy associated with nonexudative age-related macular degeneration, but the administration of this medication may be associated with unanticipated posttreatment complications. To assess the prevalence of presumed silicone oil droplets in the...
Recently, intravitreal pegcetacoplan became the first drug to gain US Food and Drug Administration approval for the treatment of geographic atrophy associated with nonexudative age-related macular degeneration, but the administration of this medication may be associated with unanticipated posttreatment complications. To assess the prevalence of presumed silicone oil droplets in the vitreous cavity after intravitreal injection of pegcetacoplan; Dessouki A et al carried a study. This case series study involved a retrospective record review of all 55 patients treated with intravitreal pegcetacoplan, 0.1 mL in 150-mg/mL solution, between March 24 and June 5, 2023, at a single specialty retina practice. All injections were done using needles from the kit supplied by Apellis Pharmaceuticals on a 1-mL McKesson Luer lock syringe.
Outcomes and Measures included the presence or absence of presumed silicone bubbles detected during dilated biomicroscopic fundus examination and/or on color fundus photographs, the presence or absence of symptoms, change in visual acuity, and/or increase in intraocular pressure.
A total of 62 intravitreal pegcetacoplan injections were given to 55 patients (mean [SD] age, 83.8 [7.8] years; 33 women [60%]) from March 24 to June 5, 2023. Of the 55 patients, 16 (29%; mean [SD] age, 83.8 [7.4] years; 9 women [56%]) had presumed intravitreal silicone droplets discovered 2 to 4 weeks after treatment, 3 of which were documented on color fundus photographs. Of the 16 patients, 14 (88%) were symptomatic for new floaters that they described as persistent, while 2 (13%) were asymptomatic. There were no signs of inflammation or infection, no increases in intraocular pressure, and no changes in visual acuity for all 16 patients.
A substantial percentage of patients had symptomatic floaters from presumed intravitreal silicone oil droplets after injections of pegcetacoplan using a McKesson 1-mL Luer lock syringe. These findings support consideration of informing patients of this potential adverse effect, avoiding use of the McKesson syringe, and considering use of silicone-free syringes for pegcetacoplan injections.
Source: Dessouki A, He L, Park K, Chen H, Chow CC. Presumed Silicone Oil Droplets After Intravitreal Pegcetacoplan Injections. JAMA Ophthalmol. Published online October 05, 2023. doi:10.1001/jamaophthalmol.2023.4326
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