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Article

Fixed Quarterly Dosing of Aflibercept after Loading Doses in Neovascular Age-Related Macular Degeneration in Chinese Eyes

by
Daniel H. T. Wong
1,2,3 and
Kenneth K. W. Li
1,2,3,*
1
Department of Ophthalmology, United Christian Hospital, Hospital Authority, Hong Kong, China
2
Department of Ophthalmology, Tseung Kwan O Hospital, Hospital Authority, Hong Kong, China
3
Department of Ophthalmology, School of Clinical Medicine, LKS Faculty of Medicine, The University of Hong Kong, Hong Kong, China
*
Author to whom correspondence should be addressed.
J. Clin. Med. 2024, 13(1), 145; https://doi.org/10.3390/jcm13010145
Submission received: 27 October 2023 / Revised: 16 December 2023 / Accepted: 21 December 2023 / Published: 27 December 2023
(This article belongs to the Special Issue Vitreoretinal Disease: Clinical Insights and Treatment Strategies)

Abstract

We aimed to investigate the success rate of planned fixed quarterly aflibercept injections after three loading doses (QDA3L) to achieve stability without recurrence in neovascular age-related macular degeneration (nAMD) at a tertiary eye centre. A retrospective study was conducted over five years (2017–2021) by including all consecutive cases of nAMD treated with three initial aflibercept injections four weeks apart, followed by planned injection appointments every 12 to 16 weeks starting from week 20. The primary endpoint was to determine the proportion of patients who maintained disease inactivity at week 52 and week 104. A total of 40 eyes of 40 patients were included. The overall mean age was 80.8, with a male preponderance. The overall success rate in our study population was 52.9% and 53.6% at week 52 and week 104, respectively. The fovea remained dry at 85.3% at week 52 and 82.1% at week 104, and 85.3% and 85.7% of subjects lost fewer than 15 ETDRS letters at week 52 and week 104, respectively. While this study does not suggest the superiority of this regimen, the success and failure rates obtained in our study can be used in the counselling process for this particular fixed treatment regimen for nAMD.
Keywords: anti-VEGF; macular degeneration; aflibercept; treat and extend; quarterly injections anti-VEGF; macular degeneration; aflibercept; treat and extend; quarterly injections

Share and Cite

MDPI and ACS Style

Wong, D.H.T.; Li, K.K.W. Fixed Quarterly Dosing of Aflibercept after Loading Doses in Neovascular Age-Related Macular Degeneration in Chinese Eyes. J. Clin. Med. 2024, 13, 145. https://doi.org/10.3390/jcm13010145

AMA Style

Wong DHT, Li KKW. Fixed Quarterly Dosing of Aflibercept after Loading Doses in Neovascular Age-Related Macular Degeneration in Chinese Eyes. Journal of Clinical Medicine. 2024; 13(1):145. https://doi.org/10.3390/jcm13010145

Chicago/Turabian Style

Wong, Daniel H. T., and Kenneth K. W. Li. 2024. "Fixed Quarterly Dosing of Aflibercept after Loading Doses in Neovascular Age-Related Macular Degeneration in Chinese Eyes" Journal of Clinical Medicine 13, no. 1: 145. https://doi.org/10.3390/jcm13010145

APA Style

Wong, D. H. T., & Li, K. K. W. (2024). Fixed Quarterly Dosing of Aflibercept after Loading Doses in Neovascular Age-Related Macular Degeneration in Chinese Eyes. Journal of Clinical Medicine, 13(1), 145. https://doi.org/10.3390/jcm13010145

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