| Role of vascular endothelial growth factor polymorphisms in the treatment success in patients with wet age-related macular degeneration. | |
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MedLine Citation:
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PMID: 22521084 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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PURPOSE: Along with environmental risk factors such as smoking, hypertension, and atherosclerosis, genetic susceptibility is a primary contributor to the development and progression of exudative age-related macular degeneration (AMD). Vascular endothelial growth factor (VEGF) is a central angiogenic regulator and there has been general agreement now that it is an important trigger for the progression of exudative AMD. In the present study, we tested the hypothesis that VEGF gene polymorphisms play a role in the treatment success with VEGF inhibitors in patients with exudative AMD. DESIGN: Prospective cohort study. PARTICIPANTS: We included 185 eyes of 141 patients with exudative AMD who were scheduled for their first treatment with intravitreally administered bevacizumab in this trial. METHODS: All patients were aged >50 years and had angiographically verified exudative AMD. Blood from the finger pad was collected on blood cards for genotyping for the VEGF polymorphisms rs1413711, rs3025039, rs2010963, rs833061, rs699947, rs3024997, and rs1005230. At each follow-up visit, visual acuity was reassessed and an ophthalmic examination was carried out. Visual acuity outcome, number of retreatments, and overall time of treatment were analyzed in dependence of the VEGF polymorphisms. MAIN OUTCOME MEASURES: Mean change in visual acuity at the end of the treatment period. RESULTS: The included patients were reinjected with bevacizumab 1 to 15 times, resulting in a total treatment period of 42 to 1182 days. In univariate analysis only the G/G genotypes of rs3024997 and rs2010963 compared with all other 5 single nucleotide polymorphisms (SNPs) showed a significantly lower visual acuity at the end of treatment. In multivariate analysis including parameters such as time, baseline visual acuity, and number of reinjections, none of the SNPs showed a significant correlation. CONCLUSIONS: The current study indicates that VEGF polymorphisms are not major predictors of anti-VEGF treatment success in patients with exudative AMD. |
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Authors:
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Agnes Boltz; Manuel Ruiß; Jost B Jonas; Yong Tao; Florian Rensch; Martin Weger; Gerhard Garhöfer; Sophie Frantal; Yosuf El-Shabrawi; Leopold Schmetterer |
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Publication Detail:
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Type: Journal Article Date: 2012-04-21 |
Journal Detail:
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Title: Ophthalmology Volume: 119 ISSN: 1549-4713 ISO Abbreviation: Ophthalmology Publication Date: 2012 Aug |
Date Detail:
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Created Date: 2012-08-03 Completed Date: 2012-10-25 Revised Date: 2013-05-27 |
Medline Journal Info:
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Nlm Unique ID: 7802443 Medline TA: Ophthalmology Country: United States |
Other Details:
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Languages: eng Pagination: 1615-20 Citation Subset: IM |
Copyright Information:
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Copyright © 2012 American Academy of Ophthalmology. Published by Elsevier Inc. All rights reserved. |
Affiliation:
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Department of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Aged Angiogenesis Inhibitors / therapeutic use* Antibodies, Monoclonal, Humanized / therapeutic use Cohort Studies Female Fluorescein Angiography Genotype Humans Intraocular Pressure Intravitreal Injections Male Middle Aged Polymorphism, Single Nucleotide* Prospective Studies Tomography, Optical Coherence Vascular Endothelial Growth Factor A / antagonists & inhibitors, genetics* Visual Acuity / physiology Wet Macular Degeneration / drug therapy*, genetics*, physiopathology |
| Chemical | |
Reg. No./Substance:
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0/Angiogenesis Inhibitors; 0/Antibodies, Monoclonal, Humanized; 0/VEGFA protein, human; 0/Vascular Endothelial Growth Factor A; 2S9ZZM9Q9V/bevacizumab |
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