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Effect and factors associated with reactivation after intravitreal conbercept or aflibercept in retinopathy of prematurity.
Eur J Med Res
January 2025
Department of Ophthalmology, Zhujiang Hospital, Southern Medical University, No. 253, Gongye Avenue Middle, Guangzhou, 510282, Guangdong, China.
Background: To evaluate the effect and factors associated with the reactivation of retinopathy of prematurity (ROP) after intravitreal conbercept or aflibercept.
Methods: We retrospectively reviewed the medical records of 176 eyes diagnosed with ROP and treated with anti-VEGF therapy between January 2018 and September 2022. The rate of reactivation and complications were assessed during the follow-up period.
Introduction: In recent years, intravitreal injections (IVT) of vascular endothelial growth factor (VEGF) inhibitors have become the standard of care for several macular disorders. Frequently, the therapeutic course requires numerous injections, posing a burden on patients. Non-adherence to treatment may result in reduced visual outcomes, therefore understanding and addressing the underlying causes is imperative.
View Article and Find Full Text PDFDrug Screening of Flavonoids as Potential VEGF Inhibitors Through Computational Docking and Cell Models.
Molecules
January 2025
Center for Chinese Medicine, Division of Life Science, The Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China.
Vascular endothelial growth factor (VEGF), also known as VEGF-A, has been linked to various diseases, such as wet age-related macular degeneration (wAMD) and cancer. Even though there are VEGF inhibitors that are currently commercially available in clinical applications, severe adverse effects have been associated with these treatments. There is still a need to develop novel VEGF-based therapeutics against these VEGF-related diseases.
View Article and Find Full Text PDFComparative Pharmacokinetic Analysis of Aflibercept and Brolucizumab in Human Aqueous Humor Using Nano-Surface and Molecular-Orientation Limited Proteolysis.
Int J Mol Sci
January 2025
Division of Clinical Pharmacology, Department of Pharmacology, Jichi Medical University, Shimotsuke-shi 329-0498, Tochigi, Japan.
Aflibercept and brolucizumab, two anti-VEGF agents used as intravitreal injections in ophthalmology, differ significantly in molecular weight (aflibercept-115 kDa and brolucizumab-26 kDa). Using aqueous humor samples collected after drug administration, we measured and performed a comparative analysis of pharmacokinetics and half-lives of these drugs in the human eye. Since the quantification of monoclonal antibodies (mAbs) using antigen-antibody reactions, such as ELISA, is influenced by endogenous ligands or anti-drug antibodies, we employed nano-surface and molecular-orientation limited proteolysis (nSMOL), combined with liquid chromatography-tandem mass spectrometry (LC-MS/MS), for accurate measurements.
View Article and Find Full Text PDFThe Diagnosis and Treatment of Branch Retinal Vein Occlusions: An Update.
Biomedicines
January 2025
Department of Ophthalmology, "Victor Babeş" University of Medicine and Pharmacy, 300041 Timișoara, Romania.
Branch retinal vein occlusion (BRVO) is a common retinal vascular condition and a significant contributor to vision loss worldwide, particularly in middle-aged and elderly populations. This review synthesizes current knowledge on the epidemiology, pathogenesis, and clinical features of BRVO, alongside recent advancements in diagnostic and therapeutic strategies. BRVO is approximately four times more prevalent than central retinal vein occlusion (CRVO) and often leads to significant vision impairment.
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