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Journal of Ocular Pharmacology and Therapeutics

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https://www.readbyqxmd.com/read/28165851/intravitreal-antiangiogenic-therapy-of-uveitic-macular-edema-a-review
#1
Igor Kozak, Samir S Shoughy, Donald U Stone
Uveitic (or inflammatory) macular edema (UME) is one of the most common cause of visual impairment in patients with uveitis and the most frequent structural complication of uveitis. The use of antiangiogenic agents in the management of macular edema due to inflammation is a fairly new approach. It is not entirely clear if these agents should be used as an adjunct to anti-inflammatory therapy or if they can be used as stand-alone agents in edema due to infections where immunosuppressive therapy could be detrimental to the resolution of infection...
February 6, 2017: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28165835/assessment-of-the-anterior-chamber-flare-and-macular-thickness-in-patients-treated-with-topical-antiglaucomatous-drugs
#2
Fırat Selen, Oya Tekeli, Özge Yanık
PURPOSE: To determine the changes in the anterior chamber flare and central macular thickness (CMT) under topical antiglaucomatous therapy. METHODS: This study included 121 eyes of 73 patients and 36 eyes of 18 controls. Glaucoma patients were divided into 3 groups (timolol maleate, latanoprost, and bimatoprost). Control eyes did not receive any medications. Flare and CMT measurements were performed at baseline and follow-up visits (15th day, and 1st, 3rd, 6th, and 12th month)...
February 6, 2017: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28157424/a-rho-associated-kinase-inhibitor-protects-permeability-in-a-cell-culture-model-of-ocular-disease-and-reduces-aqueous-flare-in-anterior-uveitis
#3
Hiroshi Yamada, Masahiko Yoneda, Shingo Inaguma, Masahiko Gosho, Yusuke Murasawa, Zenzo Isogai, Masahiro Zako
PURPOSE: Recent clinical and experimental studies have reported favorable results when using Rho-associated kinase (ROCK) inhibitors for ocular disease, and in cell culture. Disruption of the human, nonpigmented ciliary epithelial cells (HNPCECs) that comprise the blood-aqueous barrier (BAB) induces anterior uveitis; these cells therefore provide a useful cell model of ocular disease. In this study, we examined the effects of ROCK inhibitors in anterior uveitis and in HNPCECs. METHODS: Aqueous flare values and intraocular pressures (IOPs) were determined in patients with anterior uveitis, 2 weeks after administration of ripasudil hydrochloride hydrate, a commercial ROCK inhibitor used to treat glaucoma or ocular hypertension...
February 3, 2017: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28157416/gradient-boosted-decision-tree-classification-of-endophthalmitis-versus-uveitis-and-lymphoma-from-aqueous-and-vitreous-il-6-and-il-10-levels
#4
David E Kuo, Maggie M Wei, Karen R Armbrust, Jared E Knickelbein, Ian Y L Yeung, Robert B Nussenblatt, Chi-Chao Chan, Hatice Nida Sen
PURPOSE: To investigate the effectiveness of gradient boosting to classify endophthalmitis versus uveitis and lymphoma by intraocular cytokine levels. METHOD: Patient diagnoses and aqueous and vitreous levels of interleukin (IL)-6 and IL-10 were retrospectively extracted from a National Eye Institute Histopathology Core database and compared by Kruskal-Wallis and post hoc Dunn tests. A gradient-boosted decision tree classifier was trained to differentiate endophthalmitis versus uveitis and lymphoma from vitreous IL-6 and IL-10, vitreous IL-6 only, and aqueous IL-6 only data sets; and was tested with 80-20 train-test split and 3-fold cross-validation of the training set...
February 3, 2017: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28140772/dose-uniformity-of-topical-corticosteroids-a-simulated-trial-of-fluorometholone-acetate-0-1-and-loteprednol-etabonate-gel-0-5
#5
Charlton E Stevens, John L Bennion, Matthew C Caldwell, James R Townley, Douglas A Apsey, Harvey A Schwertner
PURPOSE: The purpose of the study was to determine the concentrations of Flarex(®) and Lotemax(®) when shaken and not shaken. Many patients fail to shake or inappropriately shake suspensions of corticosteroids before instillation as directed. This study was designed to help determine what concentration of corticosteroid these patients are receiving. In addition, independent confirmation of loteprednol etabonate ophthalmic gel dose uniformity was determined and compared as a possible alternative...
January 31, 2017: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28129020/the-24-hour-effects-of-brinzolamide-brimonidine-fixed-combination-and-timolol-on-intraocular-pressure-and-ocular-perfusion-pressure
#6
Leonard K Seibold, Peter E DeWitt, Miranda E Kroehl, Malik Y Kahook
PURPOSE: To determine the 24-h effects of brinzolamide/brimonidine tartrate 1%/0.2% fixed combination (BBFC) on intraocular pressure (IOP), ocular perfusion pressure (OPP), blood pressure (BP), and heart rate (HR). METHODS: Sixty subjects with open angle glaucoma (OAG) or ocular hypertension (OHTN) were admitted overnight for 24-h monitoring of IOP, BP, and HR. All subjects underwent the first, baseline 24-h study after washout of all medications, if necessary. Subjects were then randomized to receive either (1) timolol maleate 0...
January 27, 2017: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28112568/vitrectomy-for-epiretinal-membranes-and-macular-holes-in-uveitis-patients
#7
Sara V Branson, Brendan R McClafferty, Shree K Kurup
PURPOSE: Macular pathology, including macular holes (MHs), epiretinal membranes (ERMs), and macular edema, is a cause of irreversible vision loss in the setting of uveitis. Medical management involves corticosteroids, immunomodulatory medications, and biologics to control inflammation. Pars plana vitrectomy (PPV) has been suggested as a therapy for uveitis, with reports of reduced inflammation and decreased dependence on medication postoperatively. Currently, PPV is reserved for retinal detachments, vitreous opacities, and ERMs, causing vitreomacular traction...
January 23, 2017: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28106491/effect-of-an-mg132-sustained-drug-delivery-capsular-ring-on-the-inhibition-of-posterior-capsule-opacification-in-a-rabbit-model
#8
Xuan Bao, Min Hou, Yingyan Qin, Furong Luo, Fu Shang, Mingxing Wu
PURPOSE: To design an MG132-sustained drug delivery capsular ring (SDDCR) and investigate its effect on the inhibition of posterior capsule opacification (PCO) in a rabbit model. METHODS: The SDDCRs were prepared by forming a slice of film made by the mixture of poly lactic-co-glycolic acid (PLGA) and MG132 on the surface of capsular tension rings (CTRs). The drug-loading capacity, entrapment efficiency, and in vitro release of the drug-containing film were detected...
January 20, 2017: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28106471/topical-0-1-bromfenac-sodium-for-intraoperative-miosis-prevention-and-prostaglandin-e2-inhibition-in-femtosecond-laser-assisted-cataract-surgery
#9
Hui Chen, Haotian Lin, Wan Chen, Bo Zhang, Wu Xiang, Jing Li, Weirong Chen
PURPOSE: The purpose of this study was to evaluate the effect of topical 0.1% bromfenac sodium, a nonsteroidal anti-inflammatory drug (NSAID), on intraoperative pupil dilation maintenance and prostaglandin E2 (PGE2) inhibition during femtosecond laser-assisted cataract surgery. METHODS: Sixty patients (30 each in study and control groups) were included in this study. The patients received 0.1% bromfenac ophthalmic solution or control placebo twice a day for 3 days before surgery...
January 20, 2017: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28106466/phototoxic-effect-of-topical-fluoroquinolones-administered-before-corneal-crosslinking-in-a-murine-model
#10
Victor E Reviglio, Matias Osaba, Gabriela Sambuelli, Irene C Kuo
PURPOSE: Corneal crosslinking by UV light (UV-CXL) has become a popular treatment for keratoconus and corneal ectasia. Fluoroquinolones (FQs), commonly administered topically before UV-CXL, are known to be phototoxic to the skin and lens. The purpose of this study was to investigate phototoxic effects of topical FQ treatment on murine corneas before UV-CXL, in which the corneal epithelium was kept intact. METHODS: Murine corneas were treated with various antibiotics with or without riboflavin before UV-CXL...
January 20, 2017: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28099049/effects-of-hydrogen-sulfide-releasing-compounds-on-aqueous-humor-outflow-facility-in-porcine-ocular-anterior-segments-ex-vivo
#11
Jenaye Robinson, Esther Okoro, Chinoso Ezuedu, Leah Bush, Catherine A Opere, Sunny E Ohia, Ya Fatou Njie-Mbye
PURPOSE: To investigate the pharmacological actions of hydrogen sulfide (H2S)-releasing compounds l-cysteine and sodium hydrosulfide (NaHS) on aqueous humor (AH) outflow facility in porcine ocular anterior segment. METHODS: Porcine ocular anterior segments were perfused with Dulbecco's modified Eagle's medium at a constant pressure of 7.35 mmHg. After stable outflow baseline, explants were exposed to NaHS or l-cysteine. The increase in outflow generated by the H2S-releasing compounds was measured in the absence and presence of inhibitor of H2S biosynthesis (aminooxyacetic acid; AOAA), blocker of KATP channels (glibenclamide), and inhibitor of adenylyl cyclase (SQ 22536)...
January 18, 2017: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28099041/eyes-on-new-product-development
#12
Gary D Novack
No abstract text is available yet for this article.
January 18, 2017: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28085534/photoelectric-dye-used-for-okayama-university-type-retinal-prosthesis-reduces-the-apoptosis-of-photoreceptor-cells
#13
Shihui Liu, Toshihiko Matsuo, Osamu Hosoya, Tetsuya Uchida
PURPOSE: Our previous study demonstrated that photoelectric dye-coupled polyethylene film (Okayama University-type retinal prosthesis), which was implanted in subretinal space of the eyes of Royal College of Surgeons (RCS) rats, prevented retinal neurons from apoptotic death. In this study, we aimed to examine whether photoelectric dye itself would protect retinal neurons from apoptosis in RCS rats. METHODS: RCS rats received intravitreous injection of different concentrations of the dye in the left eye and housed under a 12-h light-dark cycle...
January 13, 2017: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28072560/a-prostacyclin-analog-cicaprost-exhibits-potent-anti-inflammatory-activity-in-human-primary-immune-cells-and-a-uveitis-model
#14
Jenny W Wang, Chau Vu, Neil J Poloso
PURPOSE: To investigate the therapeutic potential of a prostacyclin (IP) receptor agonist for ocular inflammation and the effect on immune cells. METHODS: The anti-inflammatory activities of cicaprost were determined in primary human monocyte-derived macrophages and human monocyte-derived dendritic cells (MoDC), as well as a lipopolysaccharides (LPS)-induced rat uveitis model. Multiple cytokine release was measured by utilizing Luminex Technology. Prostacyclin (IP) Receptor expression was detected by reverse transcription-polymerase chain receptor...
January 10, 2017: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28072552/vehicle-controlled-phase-2-clinical-trial-of-a-sustained-release-dexamethasone-intracanalicular-insert-in-a-chronic-allergen-challenge-model
#15
Gail Torkildsen, Mark B Abelson, Paul J Gomes, Eugene McLaurin, Susan L Potts, Francis S Mah
PURPOSE: To evaluate the efficacy and safety of a sustained-release dexamethasone intracanalicular insert (Dextenza™) in a model of allergic conjunctivitis. METHODS: This was a randomized, double-masked, vehicle-controlled, Phase 2 study. Subjects had to have a positive conjunctival allergen challenge (CAC) reaction to allergen (bilateral +2 itching and redness on 5-point, 0-4 scales) at Visit 1, and for 2 of 3 time points on subsequent visits. Subjects who met entry criteria were randomized to receive Dextenza or PV (vehicle insert)...
January 10, 2017: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28055308/binding-to-ocular-albumin-as-a-half-life-extension-principle-for-intravitreally-injected-drugs-evidence-from-mechanistic-rat-and-rabbit-studies
#16
Holger Fuchs, Frederik Igney
PURPOSE: The ocular half-life of intravitreally (IVT) injected drugs is of major relevance for the suitability of a drug intended for chronic intraocular treatment, as the half-life determines the dosing frequency. Thus, half-life extension principles are very attractive as they can reduce the IVT dosing frequency. In this study, we investigated the ocular pharmacokinetics (PK) of the IVT injected Nanobody(®) BI-X and whether the noncovalent binding of BI-X to vitreous albumin could increase its ocular half-life...
January 5, 2017: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28051353/panax-notoginseng-saponin-controls-il-17-expression-in-helper-t-cells
#17
Jia-Ru Wei, Xiaofeng Wen, Paul W Bible, Zhiyu Li, Robert B Nussenblatt, Lai Wei
PURPOSE: Panax Notoginseng, a traditional Chinese medicine, is known as an anti-inflammatory herb. However, the molecular mechanism by which it controls helper T cell mediated immune responses is largely unknown. METHODS: Naive CD4(+) T cells isolated from healthy donors, patients with Behcet's disease, and C57BL/6 mice were polarized into Th1, Th17, and Treg cells. Proliferation and cytokine expression were measured in these cells with the presence or absence of Panax Notoginseng saponins (PNS)...
January 4, 2017: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/28048946/intravitreal-anti-vascular-endothelial-growth-factor-drugs-for-retinal-angiomatous-proliferation-in-real-life-practice
#18
Maurizio Battaglia Parodi, Simone Donati, Francesco Semeraro, Paola Danzi, Ugo Introini, Francesco Viola, Ferdinando Bottoni, Vincenzo Pucci, Andrea Musig, Alfredo Pece, Claudio Azzolini
PURPOSE: To describe the outcomes of intravitreal anti-vascular endothelial growth factor (VEGF) in the treatment of retinal angiomatous proliferation (RAP) in real-life practice in 7 Italian centers under the Progetto Luce initiative. METHODS: Clinical data of 95 eyes of 95 patients affected by RAP, regularly followed up and treated with either intravitreal ranibizumab or bevacizumab over 12 months, were examined. After a loading phase of 3 consecutive injections, retreatments were administered following a pro-re-nata regimen on the basis of the persistence or the recurrence of subretinal/intraretinal fluid on optical coherence tomography, or leakage on fluorescein angiography...
January 3, 2017: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/27937751/failure-to-integrate-quantitative-measurement-methods-of-ocular-inflammation-hampers-clinical-practice-and-trials-on-new-therapies-for-posterior-uveitis
#19
Carl P Herbort, Ilknur Tugal-Tutkun, Piergiorgio Neri, Carlos Pavésio, Sumru Onal, Phuc LeHoang
Uveitis is one of the fields in ophthalmology where a tremendous evolution took place in the past 25 years. Not only did we gain access to more efficient, more targeted, and better tolerated therapies, but also in parallel precise and quantitative measurement methods developed allowing the clinician to evaluate these therapies and adjust therapeutic intervention with a high degree of precision. Objective and quantitative measurement of the global level of intraocular inflammation became possible for most inflammatory diseases with direct or spill-over anterior chamber inflammation, thanks to laser flare photometry...
December 12, 2016: Journal of Ocular Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/27929721/a-randomized-multicenter-study-comparing-0-1-0-15-and-0-3-sodium-hyaluronate-with-0-05-cyclosporine-in-the-treatment-of-dry-eye
#20
Yuli Park, Jong Suk Song, Chul Young Choi, Kyung Chul Yoon, Hyung Keun Lee, Hyun Seung Kim
PURPOSE: To investigate the efficacy of 0.1%, 0.15%, and 0.3% sodium hyaluronate (SH) artificial tears compared with 0.05% cyclosporine (CS) ophthalmic solution for the treatment of dry eye. METHODS: One hundred seventy-six patients were recruited and randomized to receive of 0.1%, 0.15%, and 0.3% SH and 0.05% CS. There was a primary end point which is the changes in the fluorescein corneal staining (FCS) score to determine noninferiority of 0.1%, 0.15%, and 0.3% SH...
December 8, 2016: Journal of Ocular Pharmacology and Therapeutics
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