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https://www.readbyqxmd.com/read/28641290/long-term-follow-up-of-choroidal-neovascularization-due-to-angioid-streaks-with-pro-re-nata-intravitreal-anti-vegf-treatment
#1
Giovanni Giacomelli, Lucia Finocchio, Ilaria Biagini, Andrea Sodi, Vittoria Murro, Ugo Introini, Monica Varano, Francesco Bandello, Ugo Menchini
PURPOSE: To evaluate the long-term outcomes of intravitreal anti-vascular endothelial growth factor (VEGF) drugs with a pro re nata (PRN) regimen for the treatment of choroidal neovascularization (CNV) secondary to angioid streaks (AS). METHODS: This is a retrospective, multicenter, noncomparative case series of consecutive AS eyes affected by treatment-naïve CNV. A complete ophthalmologic examination was performed every 30-45 days after the loading phase, including fluorescein angiography and/or optical coherence tomography...
June 23, 2017: Ophthalmologica. Journal International D'ophtalmologie
https://www.readbyqxmd.com/read/28630947/evolution-of-geographic-atrophy-in-participants-treated-with-ranibizumab-for-neovascular-age-related-macular-degeneration
#2
Alisa T Thavikulwat, Naima Jacobs-El, Jane S Kim, Elvira Agrón, Jesia Hasan, Catherine B Meyerle, David Valent, Catherine A Cukras, Henry E Wiley, Wai T Wong, Emily Y Chew
PURPOSE: To evaluate the risk factors, incidence, and rate of progression of geographic atrophy (GA) in eyes with neovascular age-related macular degeneration (nAMD) treated with ranibizumab. DESIGN: Post-hoc analysis of a prospective clinical study. PARTICIPANTS: 69 participants with nAMD in at least one eye. METHODS: Participants were prospectively treated in the study eye with 0.5 mg intravitreal ranibizumab. Study eyes received 4 monthly injections followed by pro re nata injections until a fluid-free macula was achieved on optical coherence tomography...
January 2017: Ophthalmology retina
https://www.readbyqxmd.com/read/28622063/characteristic-profiles-of-inflammatory-cytokines-in-the-aqueous-humor-of-glaucomatous-eyes
#3
Taiki Kokubun, Satoru Tsuda, Hiroshi Kunikata, Masayuki Yasuda, Noriko Himori, Shiho Kunimatsu-Sanuki, Kazuichi Maruyama, Toru Nakazawa
PURPOSE: To analyze cytokine profiles of the aqueous humor of eyes with primary open-angle glaucoma (POAG), neovascular glaucoma (NVG), and cataract (as controls). METHODS: A multiplex bead assay was used to measure concentrations of 27 cytokines in aqueous humor samples from 54 eyes. RESULTS: Detection rates were as follows: IL-7: NVG higher than POAG; IL-10: POAG lower than cataract or NVG; and GM-CSF: cataract higher than POAG or NVG. Concentrations were as follows: IL-8, IP-10, MCP-1, and MIP-1β: POAG and NVG higher than cataract; IL-9: POAG lower than NVG; IL-12: POAG lower than cataract or NVG; and VEGF: NVG higher than cataract or POAG and POAG lower than cataract...
June 16, 2017: Ocular Immunology and Inflammation
https://www.readbyqxmd.com/read/28621424/ocular-vessel-patterning-in-zebrafish-is-indirectly-regulated-by-hedgehog-signaling
#4
Omri Weiss, Rivka Kaufman, Eyal Mishani, Adi Inbal
The superficial ocular vasculature of the embryonic zebrafish develops in a highly stereotypic manner and hence provides a convenient model for studying molecular mechanisms that regulate vascular patterning. We have used transgenic zebrafish embryos in which all endothelial cells express enhanced Green Fluorescent Protein and small molecule inhibitors to examine the contribution of two signaling pathways, vascular endothelial growth factor (VEGF) and Hedgehog (Hh) pathways, to the development of the superficial system...
2017: International Journal of Developmental Biology
https://www.readbyqxmd.com/read/28620705/topical-bevacizumab-treatment-in-aniridia
#5
Ruth Lapid-Gortzak, Nathalie T Y Santana, Carla P Nieuwendaal, Maarten P Mourits, Ivanka J E van der Meulen
PURPOSE: To report the results of long-term topical treatment with bevacizumab (Avastin) 5 mg/mL eyedrops in a case of aniridia-related neovacularization of the cornea. METHODS: Interventional case report. A female patient with aniridia had a decrease in the best corrected visual acuity from 0.32 to 0.02 in the OS over the course of 4 years, secondary to central corneal neovascularization and epithelial breakdown. Vision in the OD was 0.2. In 2008, at age 28, a shared decision was made to start off-label treatment with bevacizumab eyedrops 0...
June 15, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28620652/visual-and-morphologic-outcomes-in-eyes-with-hard-exudate-in-the-comparison-of-age-related-macular-degeneration-treatments-trials
#6
Ebenezer Daniel, Juan E Grunwald, Benjamin J Kim, Maureen G Maguire, Glenn J Jaffe, Cynthia A Toth, Frederick L Ferris, Daniel F Martin, James Shaffer, Gui-Shuang Ying
PURPOSE: To compare baseline characteristics, visual acuity (VA) and morphological outcomes between eyes with baseline hard exudates (HE) and all other eyes among patients with neovascular age-related macular degeneration (NVAMD) treated with anti-vascular endothelial growth factors (anti-VEGF). DESIGN: Prospective cohort study within the Comparison of Age-Related Macular Degeneration Treatments Trials (CATT). PARTICIPANTS: Patients with NVAMD...
January 2017: Ophthalmology retina
https://www.readbyqxmd.com/read/28600710/the-influence-of-systemic-renin-angiotensin-inhibition-on-ocular-cytokines-related-to-proliferative-vitreoretinopathy
#7
Robert Hoerster, Sascha Fauser, Claus Cursiefen, Bernd Kirchhof, Ludwig M Heindl
PURPOSE: The renin-angiotensin system is involved in the pathogenesis of fibrosis in several organs via induction of transforming growth factor (TGF) beta. In the pathogenesis of proliferative vitreoretinopathy (PVR) TGF-beta plays a pivotal role, promoting transition of retinal pigment epithelial (RPE) cells into myofibroblasts. We studied the influence of angiotensin converting enzyme-inhibition (ACEI) on cytokines and growth factors, related to PVR in aqueous humor. METHODS: We performed a post hoc analysis of a prospectively conducted interventional case series...
June 9, 2017: Graefe's Archive for Clinical and Experimental Ophthalmology
https://www.readbyqxmd.com/read/28599333/-macular-edema-in-uveitis-steroids-or-vegf-inhibitors
#8
Carsten Heinz, Arnd Heiligenhaus
Macular edema in uveitis patients is certainly the most frequent complication leading to a permanent and irreversible reduction in vision during the course of the disease. Thanks to optical coherence tomography (OCT) technology and fluorescein angiography (FAG), significantly more macular edemas are detected. Macular edema can be found in various uveitis varieties and can show different clinical patterns. All macular edema should be treated. Macular edema with active inflammation usually reacts very well to general uveitis treatment...
June 9, 2017: Klinische Monatsblätter Für Augenheilkunde
https://www.readbyqxmd.com/read/28598120/-characteristics-and-clinical-significance-of-outer-retinal-tubulation-in-wet-age-macular-degeneration-treated-by-anti-vascular-endothelial-growth-factor-through-optical-coherence-tomography
#9
Cheng Zuo, Xun Li, Zi-Rong Zhang, Mei-Xia Zhang
OBJECTIVES: To determine the characteristics and clinical significance of outer retinal tabulation (ORT) in wet age-related macular degeneration (wAMD) treated by anti-vascular endothelial growth factor (anti-VEGF) through optical coherence tomography (OCT). METHODS: The 35 wAMD patients with 39 ORT eyes treated by anti-VEGF were examined by OCT to determine the morphological features and evolution of the ORTs over time and their response to anti-VEGF. RESULTS: ORTs were located in the places that exudation or edema had happened in the outer nuclear layer of retina...
November 2016: Sichuan da Xue Xue Bao. Yi Xue Ban, Journal of Sichuan University. Medical Science Edition
https://www.readbyqxmd.com/read/28596286/one-year-outcome-of-intravitreal-ziv-aflibercept-therapy-for-non-responsive-neovascular-age-related-macular-degeneration
#10
Imoro Zeba Braimah, Komal Agarwal, Ahmad Mansour, Jay Chhablani
AIM: To evaluate 12-month outcome of intravitreal ziv-aflibercept (IVZ) therapy in eyes with neovascular age-related macular degeneration (nAMD) that are non-responsive to bevacizumab and ranibizumab. METHODS: This retrospective study included 16 eyes (14 patients) with nAMD who were on prior treatment with bevacizumab and ranibizumab and were treated with as-needed IVZ (1.25 mg/0.05 mL) for 12 months. The primary outcome measure was the mean change in best corrected visual acuity (BCVA) and secondary outcome measures included mean change in central macular thickness (CMT), retinal pigment epithelial detachment (RPED) heights, longest treatment free interval, presence of subretinal fluid (SRF) and intraretinal fluid (IRF) and adverse events...
June 8, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28592811/evaluating-the-impact-of-vitreomacular-adhesion-on-anti-vegf-therapy-for-retinal-vein-occlusion-using-machine-learning
#11
Sebastian M Waldstein, Alessio Montuoro, Dominika Podkowinski, Ana-Maria Philip, Bianca S Gerendas, Hrvoje Bogunovic, Ursula Schmidt-Erfurth
Vitreomacular adhesion (VMA) represents a prognostic biomarker in the management of exudative macular disease using anti-vascular endothelial growth factor (VEGF) agents. However, manual evaluation of VMA in 3D optical coherence tomography (OCT) is laborious and data on its impact on therapy of retinal vein occlusion (RVO) are limited. The aim of this study was to (1) develop a fully automated segmentation algorithm for the posterior vitreous boundary and (2) to study the effect of VMA on anti-VEGF therapy for RVO...
June 7, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28591217/effects-of-bevacizumab-on-endoplasmic-reticulum-stress-in-hypoxic-retinal-pigment-epithelial-cells
#12
Joo-Hee Park, Moosang Kim, Jong-Hyun Oh
PURPOSE: To investigate the effects of bevacizumab on endoplasmic reticulum (ER) stress in human retinal pigment epithelial (RPE) cells cultured under hypoxic conditions. METHODS: RPE cells (ARPE-19) were cultured under hypoxic conditions (1% O2) with or without bevacizumab (0.3125 mg/mL) for 24 and 48 h. Cell viability was measured by a PrestoBlue assay. The expression of vascular endothelial growth factor (VEGF), binding protein/glucose-regulated protein 78 (BiP/GRP78), and C/EBP homologous protein-10 (CHOP) mRNA was measured by quantitative real-time polymerase chain reaction (qRT-PCR)...
2017: PloS One
https://www.readbyqxmd.com/read/28584883/projection-artifact-removal-improves-visualization-and-quantitation-of-macular-neovascularization-imaged-by-optical-coherence-tomography-angiography
#13
Qinqin Zhang, Anqi Zhang, Cecilia S Lee, Aaron Y Lee, Kasra A Rezaei, Luiz Roisman, Andrew Miller, Fang Zheng, Giovani Gregori, Mary K Durbin, Lin An, Paul F Stetson, Philip J Rosenfeld, Ruikang K Wang
PURPOSE: To visualize and quantify the size and vessel density of macular neovascularization (MNV) using optical coherence tomography angiography (OCTA) with a projection artifact removal algorithm. DESIGN: Multicenter, observational study. PARTICIPANTS: Subjects with MNV in at least one eye. METHODS: Patients were imaged using either a swept-source OCT angiography (SS-OCTA) prototype system or a spectral-domain OCT angiography (SD-OCTA) prototype system...
March 2017: Ophthalmology retina
https://www.readbyqxmd.com/read/28584076/frontline-science-aspirin-triggered-resolvin-d1-controls-herpes-simplex-virus-induced-corneal-immunopathology
#14
Naveen K Rajasagi, Siddheshvar Bhela, Siva Karthik Varanasi, Barry T Rouse
Stromal keratitis (SK) is a chronic immunopathological lesion of the eye, caused by HSV-1 infection, and a common cause of vision impairment in humans. The inflammatory lesions in the cornea are primarily caused by neutrophils with the active participation of CD4(+) T cells. Therefore, the targeting of these immune cell types and their products represents a potentially valuable form of therapy to reduce the severity of disease. Resolvin D1 (RvD1) and its epimer aspirin-triggered RvD1 (AT-RvD1) are lipid mediators derived from docosahexaenoic acid (DHA) and were shown to promote resolution in several inflammatory disease models...
June 5, 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/28572674/cytokine-profiling-in-the-sub-silicone-oil-fluid-after-vitrectomy-surgeries-for-refractory-retinal-diseases
#15
Hiroki Kaneko, Kei Takayama, Tetsu Asami, Yasuki Ito, Taichi Tsunekawa, Takeshi Iwase, Yasuhito Funahashi, Shinji Ueno, Norie Nonobe, Shunsuke Yasuda, Ayana Suzumura, Hideyuki Shimizu, Reona Kimoto, Shiang-Jyi Hwang, Hiroko Terasaki
Silicone oil (SO) is an intraocular surgical adjuvant that reduces the surgical complications in refractory retinal diseases, although membrane and cellular proliferation is often seen even in SO-filled eyes. We hypothesised that the fluid in the space between the SO and the retina, named the "sub-silicone oil fluid (SOF)", enhances these biological responses. We proposed a safe method for SOF extraction. We also analysed inflammatory cytokine expressions and SOF osmotic pressures from eyes with rhegmatogenous retinal detachment (RRD), proliferative diabetic retinopathy (PDR), proliferative vitreoretinopathy (PVR) and macular hole-associated retinal detachment (MHRD)...
May 25, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28571008/microrna-200b-expression-in-the-vitreous-humor-of-patients-with-proliferative-diabetic-retinopathy
#16
Amir Ramadan Gomaa, Eman Tayae Elsayed, Reham Fadl Moftah
BACKGROUND: The role of microRNA (miRNA)-200b in the pathogenesis of proliferative diabetic retinopathy (PDR) has been studied in diabetic animal models. The aim of this study was to assess miRNA-200b expression in the vitreous of patients with PDR and to determine its correlation with vascular endothelial growth factor (VEGF), one of the pathogenic mechanisms in PDR. METHODS: Quantitative reverse transcription polymerase chain reaction was used to measure miRNA-200b expression in the vitreous from 29 eyes with PDR and 30 eyes with idiopathic macular holes (IMH; control group)...
June 2, 2017: Ophthalmic Research
https://www.readbyqxmd.com/read/28570723/oral-tyrosine-kinase-inhibitor-for-neovascular-age-related-macular-degeneration-a-phase-1-dose-escalation-study
#17
Timothy L Jackson, David Boyer, David M Brown, Nauman Chaudhry, Michael Elman, Chris Liang, Denis O'Shaughnessy, Edward C Parsons, Sunil Patel, Jason S Slakter, Philip J Rosenfeld
Importance: An oral treatment for neovascular age-related macular degeneration would be less burdensome than repeated intravitreous injections. X-82 is an oral tyrosine kinase inhibitor active against vascular endothelial growth factor (VEGF) and platelet-derived growth factor. Objective: To undertake safety testing of oral X-82 administered for the treatment of neovascular AMD. Design, Setting, and Participants: Phase 1, open-label, uncontrolled, dose-escalation study at 5 US retinal clinics between November 2012 and March 2015 (Retina-Vitreous Associates Medical Group, Beverly Hills, California; Blanton Eye Institute, Houston Methodist Hospital, Retina Consultants of Houston, Houston, Texas; New England Retina Associates, Guilford, Connecticut; Elman Retina Group, Baltimore, Maryland; and Retina Research Institute of Texas, Abilene)...
June 1, 2017: JAMA Ophthalmology
https://www.readbyqxmd.com/read/28564655/aqueous-humor-levels-of-soluble-vascular-endothelial-growth-factor-receptor-and-inflammatory-factors-in-diabetic-macular-edema
#18
Hidetaka Noma, Tatsuya Mimura, Kanako Yasuda, Ryosuke Motohashi, Osamu Kotake, Masahiko Shimura
Aqueous levels of soluble vascular endothelial growth factor receptor (sVEGFR) and inflammatory factors were measured in 35 patients (37 eyes) with diabetic macular edema (DME) receiving anti-vascular endothelial growth factor (VEGF) therapy. Aqueous levels of growth factors (VEGF, placental growth factor [PlGF], and platelet-derived growth factor AA [PDGF-AA]), sVEGFR-1 and -2, soluble intercellular adhesion molecule 1, monocyte chemotactic protein (MCP)-1, interleukin (IL)-6, -8, -12, and -13, and interferon-inducible 10-kDa protein (IP-10) were significantly higher in the DME group than in the nondiabetic control group...
June 1, 2017: Ophthalmologica. Journal International D'ophtalmologie
https://www.readbyqxmd.com/read/28557667/real-life-experience-with-aflibercept-and-ranibizumab-in-the-treatment-of-newly-diagnosed-neovascular-age-related-macular-degeneration-over-24-months
#19
Justus G Garweg, Christin Gerhardt, Laurent Kodjikian, Isabel B Pfister
PURPOSE: Comparative data appertaining to the long-term effects of Aflibercept or Ranibizumab in newly diagnosed cases of neovascular age-related macular degeneration (nAMD) over follow-up periods exceeding 12 months in clinical routine are scarce. METHODS: In this retrospective comparative analysis, a case series of patients with treatment-naïve nAMD and requiring anti-vascular endothelial growth factor (VEGF) therapy in a routine clinical setting were treated with either Aflibercept [Afl (n = 106)] or Ranibizumab [Ran (n = 47)]...
May 30, 2017: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28557571/in-vivo-efficacy-of-an-injectable-microsphere-hydrogel-ocular-drug-delivery-system
#20
Christian R Osswald, Micah J Guthrie, Abigail Avila, Joseph A Valio, William F Mieler, Jennifer J Kang-Mieler
PURPOSE: Demonstrate in vivo that controlled and extended release of a low dose of anti-vascular endothelial growth factor (anti-VEGF) from a microsphere-hydrogel drug delivery system (DDS) has a therapeutic effect in a laser-induced rat model of choroidal neovascularization (CNV). METHODS: Anti-VEGF (ranibizumab or aflibercept) was loaded into poly(lactic-co-glycolic acid) microspheres that were then suspended within an injectable poly(N-isopropylacrylamide)-based thermo-responsive hydrogel DDS...
May 30, 2017: Current Eye Research
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