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https://www.readbyqxmd.com/read/28730936/an-industry-update-what-is-the-latest-news-in-therapeutic-delivery
#1
Iain Simpson
This Industry Update covers the period from 1 through 30 April 2017, and is based on information sourced from company press releases, scientific literature, patents and various news websites. Biogen expanded its portfolio of developmental drugs targeting neurological diseases by licensing a drug from Bristol-Myers Squibb which is currently under investigation for the treatment of progressive supranuclear palsy. Takeda announced a deal with NuBiyota focused on developing treatments for gastrointestinal disorders, based on the manipulation of microbes living in the gut...
July 2017: Therapeutic Delivery
https://www.readbyqxmd.com/read/28730085/ocular-surface-evaluation-in-eyes-with-chronic-glaucoma-on-long-term-topical-antiglaucoma-therapy
#2
Manu Saini, Murugesan Vanathi, Tanuj Dada, Tushar Agarwal, Rebika Dhiman, Sudarshan Khokhar
AIM: To evaluate ocular surface changes and its correlation with the central corneal subbasal nerve fibre layer in chronic glaucoma patients. METHODS: A prospective comparative study of ocular surface evaluation was performed in 50 eyes of 25 patients using two or more antiglaucoma medications for at least 6mo and 50 eyes of 25 normal subjects without any ocular problems as controls. The study parameters evaluated included visual acuity, intraocular pressure, ocular surface evaluation parameters [fluorescein break-up time (FTBUT), Schirmer's I test, ocular surface staining scores and ocular surface disease index score (OSDI)], central corneal sensation (Cochet Bonnett aesthesiometer), central subbasal nerve fiber layer density (SBNFLD) by confocal microscopy...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/28728282/-epidemiologic-study-of-tear-film-lipid-layer-thickness-measurement-in-the-population-of-taishitun-community-in-beijing
#3
Q F Liang, X H Du, Y D Su, N L Wang, Z J Wei, Antoine Labbé
Objective: To investigate the distribution of tear film lipid layer thickness (LLT) and the relationship between symptoms and signs of dry eye and tear film LLT in the population of Taishitun Community in Beijing. Methods: A cross-sectional study. From May 2016 to August 2016, three streets of Taishitun Community were randomly selected as survey districts and 540 persons were taken as investigation subjects. Every participant completed 6 items of dry eye examinations as follows: questionnaire (Ocular Surface Disease Index, OSDI), measurement of tear film LLT, tear film break-up time (TBUT), corneal and conjunctival staining, SchirmerⅠtest and the infrared meibomian photography...
July 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28727604/preclinical-development-of-ebi-005-an-il-1-receptor-1-inhibitor-for-the-topical-ocular-treatment-of-ocular-surface-inflammatory-diseases
#4
Joseph Kovalchin, Bracken King, Allyson Masci, Elizabeth Hopkins, Jeremy Fry, Jay Hou, Christian Li, Kelly Tenneson, Steve Weber, Gary Wolfe, Kathy Collins, Eric S Furfine
OBJECTIVE: Topical interleukin (IL)-1 receptor (R)1 blockade is therapeutically active in reducing signs and symptoms of dry eye disease. Herein, we describe in vitro and in vivo nonclinical Investigational New Drug (IND)-enabling studies of EBI-005, a novel protein chimera of IL-1β and IL-1 receptor antagonist (IL-1Ra or anakinra) that potently binds IL-1R1 and blocks signaling. These studies provide an assessment of receptor affinity, drug bioavailability, immunogenic response, safety, and tolerability in mice and rabbits...
July 18, 2017: Eye & Contact Lens
https://www.readbyqxmd.com/read/28726777/humanin-g-hng-protects-age-related-macular-degeneration-amd-transmitochondrial-arpe-19-cybrids-from-mitochondrial-and-cellular-damage
#5
Sonali Nashine, Pinchas Cohen, Marilyn Chwa, Stephanie Lu, Anthony B Nesburn, Baruch D Kuppermann, M Cristina Kenney
Age-related macular degeneration (AMD) ranks third among the leading causes of visual impairment with a blindness prevalence rate of 8.7%. Despite several treatment regimens, such as anti-angiogenic drugs, laser therapy, and vitamin supplementation, being available for wet AMD, to date there are no FDA-approved therapies for dry AMD. Substantial evidence implicates mitochondrial damage and retinal pigment epithelium (RPE) cell death in the pathogenesis of AMD. However, the effects of AMD mitochondria and Humanin G (HNG), a more potent variant of the mitochondrial-derived peptide (MDP) Humanin, on retinal cell survival have not been elucidated...
July 20, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28720540/formulations-and-toxicologic-in-vivo-studies-of-aqueous-cyclosporin-a-eye-drops-with-cyclodextrin-nanoparticles
#6
Sunna Jóhannsdóttir, Johannes K Kristinsson, Zoltán Fülöp, GuÐrún Ásgrímsdóttir, Einar Stefánsson, Thorsteinn Loftsson
Cyclosporin A (CyA) is an immunosuppressive drug used topically to treat ocular inflammatory disorder such as dry eye disease (DES). It is a lipophilic cyclic peptide with molecular weight of 1202.6Da. The aim of this study was to develop surfactant free aqueous 0.2% (w/v) CyA eye drops where the drug is present in an aqueous vehicle containing CyA/cyclodextrin (CyA/CD) nanoparticles and then do three-month toxicological testing in rabbits. Five formulations of different CD concentrations were studied, all of them contained 12...
July 15, 2017: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/28715851/paradigm-shifts-peregrinations-and-pixies-in-ophthalmology
#7
REVIEW
A O Minas Coroneo
Defending vision, our highest bandwidth sense, challenges human ingenuity. Replacing or repairing highly specialized but scarce tissue within constraints of transparency, tissue shape and alignment, tissue borders and pressure maintenance, presents special challenges. Many, mostly destructive surgical procedures, were developed prior to an understanding of underlying pathophysiology. For a number of conditions, both reconstructive and destructive procedures co-exist yet there are few guidelines as to the better approach...
July 17, 2017: Clinical & Experimental Ophthalmology
https://www.readbyqxmd.com/read/28715398/a-non-invasive-way-to-isolate-and-phenotype-cells-from-the-conjunctiva
#8
Tanima Bose, Aihua Hou, Ryan Lee, Louis Tong, K George Chandy
Traditionally, ocular surface cytology is studied with techniques such as spatula technology and brush technology. The problem with these techniques is that they may induce traumatic lesions on the surface of the eye, which can progress to scarring, eyelid deformity, limbal stem cell deficiency and in some cases, cause great discomfort to the subject. To avoid these clinical problems, impression cytology (IC) was developed to diagnose dry eye disease and later neoplasia, atopic disease, vernal keratoconjunctivitis and keratoconjunctivitis sicca...
July 5, 2017: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/28712656/treatments-for-ocular-adnexal-lymphoma-a-report-by-the-american-academy-of-ophthalmology
#9
Michael T Yen, Jurij R Bilyk, Edward J Wladis, Elizabeth A Bradley, Louise A Mawn
PURPOSE: To review the literature to determine the efficacy of available treatments for ocular adnexal lymphoma (OAL) and to evaluate the outcomes and complications of treatments in patients older than 13 years. METHODS: A literature search was conducted last in March 2017 in the PubMed and Cochrane Library databases for English-language original research investigations that evaluated treatment outcomes for OAL. The searches identified 307 unique citations, and 27 studies were selected according to the criteria outlined for this assessment...
July 13, 2017: Ophthalmology
https://www.readbyqxmd.com/read/28710815/lacrimal-gland-development-from-signaling-interactions-to-regenerative-medicine
#10
REVIEW
Ankur Garg, Xin Zhang
The lacrimal gland plays a pivotal role in keeping the ocular surface lubricated, and protecting it from environmental exposure and insult. Dysfunction of the lacrimal gland results in deficiency of the aqueous component of the tear film, which can cause dryness of the ocular surface, also known as the aqueous-deficient dry eye disease. Left untreated, this disease can lead to significant morbidity, including frequent eye infections, corneal ulcerations and vision loss. Current therapies do not treat the underlying deficiency of the lacrimal gland, but merely provide symptomatic relief...
July 14, 2017: Developmental Dynamics: An Official Publication of the American Association of Anatomists
https://www.readbyqxmd.com/read/28708219/one-year-efficacy-and-safety-of-0-1-cyclosporine-a-cationic-emulsion-in-the-treatment-of-severe-dry-eye-disease
#11
Christophe Baudouin, Maite Sainz de la Maza, Mourad Amrane, Jean-Sébastien Garrigue, Dahlia Ismail, Francisco C Figueiredo, Andrea Leonardi
PURPOSE: The SANSIKA study evaluated the efficacy/safety of 0.1% (1 mg/mL) cyclosporine A cationic emulsion (CsA CE) for treating dry eye disease (DED) with severe keratitis. The double-masked phase demonstrated that CsA CE was effective in reducing corneal damage and ocular surface inflammation, and was well-tolerated over 6 months. Here we report efficacy and safety findings of SANSIKA's open-label extension (OLE). METHODS: In this multicenter, double-masked, phase III study, patients with severe DED (corneal fluorescein staining [CFS] grade 4, modified Oxford scale) were randomized to once-daily CsA CE (Ikervis®) or its vehicle for 6 months, followed by 6-month open-label, once-daily CsA CE (CsA CE/CsA CE and vehicle/CsA CE groups)...
July 1, 2017: European Journal of Ophthalmology
https://www.readbyqxmd.com/read/28706404/dry-eye-syndrome-in-menopause-and-perimenopausal-age-group
#12
REVIEW
Travis Peck, Leslie Olsakovsky, Shruti Aggarwal
Dry eye disease (DED) is a multifactorial ocular surface disease that causes symptoms of ocular pain, discomfort, and decreased visual acuity. It significantly affects quality of life of patients. It is more prevalent in the females and is being specifically in the menopausal and postmenopausal age group. This is believed to be due to the changes in balance of sex hormones. Sex hormones - estrogens and androgens - influence production of all components of the tear film including aqueous layer, lipid, and mucin...
April 2017: Journal of Mid-life Health
https://www.readbyqxmd.com/read/28705660/prevalence-of-diagnosed-dry-eye-disease-in-the-united-states-among-adults-aged-18-years-and-older
#13
Kimberly F Farrand, Moshe Fridman, Ipek Özer Stillman, Debra A Schaumberg
PURPOSE: To provide current estimates of the prevalence of diagnosed dry eye disease (DED) and associated demographics among US adults aged ≥18 years. DESIGN: Cross-sectional, population-based survey. METHODS: Data were analyzed from 75,000 participants in the 2013 National Health and Wellness Survey to estimate prevalence/risk of diagnosed DED overall, and by age, sex, insurance, and other demographic factors. We weighted the observed DED prevalence to project estimates to the US adult population and examined associations between demographic factors and DED using multivariable logistic regression...
July 10, 2017: American Journal of Ophthalmology
https://www.readbyqxmd.com/read/28689166/ocular-surface-cytokine-profile-in-chronic-stevens-johnson-syndrome-and-its-response-to-mucous-membrane-grafting-for-lid-margin-keratinisation
#14
Srividya Gurumurthy, Geetha Iyer, Bhaskar Srinivasan, Shweta Agarwal, Narayanasamy Angayarkanni
BACKGROUND: To study the tear cytokine and the conjunctival and oral mucosal marker profile in chronic ocular Stevens-Johnson syndrome (SJS) and their alteration following mucous membrane grafting (MMG) for lid margin keratinisation (LMK). METHODS: In a 1-year prospective study, SJS cases (n=25) and age-matched/sex-matched healthy controls (n=25) were recruited. Tear specimen (Schirmer's strip), conjunctival and oral mucosal imprints were collected from controls and SJS cases pre-MMG and post-MMG (at first follow-up, n=17)...
July 8, 2017: British Journal of Ophthalmology
https://www.readbyqxmd.com/read/28680052/hyperosmolarity-induced-aqp5-upregulation-promotes-inflammation-and-cell-death-via-jnk1-2-activation-in-human-corneal-epithelial-cells
#15
Yueping Ren, Huihui Lu, Peter S Reinach, Qinxiang Zheng, Jinyang Li, Qiufan Tan, Hanlei Zhu, Wei Chen
Tear film hyperosmolarity and anterior ocular inflammation are two clinical signs that may be indicative of dry eye disease (DED). This condition can cause pathological and functional changes to the anterior ocular surface tissues. A contributing factor may be dysfunctional aquaporin 5 (AQP5) water channels as they are the AQP subtype that expressed in the corneal epithelium and contribute to fluid efflux needed for corneal function. We determined if described hyperosmolarity-induced increases in proinflammatory cytokine expression and cell death are mediated through AQP5 upregulation and JNK1/2 MAPK signaling activation in both primary human corneal epithelial cells (HCECs), and in a HCEC line...
July 5, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28676009/aging-eye-microbiota-in-dry-eye-syndrome-in-patients-treated-with-enterococcus-faecium-and-saccharomyces-boulardii
#16
Giuseppe Chisari, Eleonora Margherita Chisari, Antonio Maria Borzì, Erdogan Ozyalcin, Clara Grazia Chisari
Aging seem to have a key role in the onset and progression of ocular surface diseases. Dry Eye Syndrome (DES) is a multifactorial disease of the tears and ocular surface in which symptoms may interfere with the ability to work and carry out daily functions. METHODS: This clinical trial was a pilot study to evaluate the effects of supplementation with mixture (MYA796 and Enterococcus faecium SGEf01) on the tear film. Following the run-in period subjects were randomized in two groups: group A (n...
July 4, 2017: Current Clinical Pharmacology
https://www.readbyqxmd.com/read/28672794/tear-film-steroid-profiling-in-dry-eye-disease-by-liquid-chromatography-tandem-mass-spectrometry
#17
Damiana Pieragostino, Luca Agnifili, Ilaria Cicalini, Roberta Calienno, Mirco Zucchelli, Leonardo Mastropasqua, Paolo Sacchetta, Piero Del Boccio, Claudia Rossi
Dry eye disease (DED) is a multifactorial disorder of the ocular surface unit resulting in eye discomfort, visual disturbance, and ocular surface damage; the risk of DED increases with age in both sexes, while its incidence is higher among females caused by an overall hormonal imbalance. The role of androgens has recently investigated and these hormones were considered to have a protective function on the ocular surface. In order to correlate DED to tear steroid levels, a robust, specific, and selective method for the simultaneous quantification of cortisol (CORT), corticosterone (CCONE), 11-deoxycortisol (11-DECOL), 4-androstene-3,17-dione (ADIONE), testosterone (TESTO), 17α-hydroxyprogesterone (17-OHP), and progesterone (PROG) was developed and applied for the analysis of tear samples...
June 24, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28671403/refractive-eye-surgery-helping-patients-make-informed-decisions-about-lasik
#18
John M Wilkinson, Elizabeth W Cozine, Amir R Kahn
A variety of refractive surgery techniques, which reshape the corneal stroma using laser energy, have been marketed as simple and safe alternatives to glasses or contact lenses. Laser-assisted in-situ keratomileusis (LASIK) is the most common of these procedures. Although there are few high-quality prospective studies of long-term outcomes, complications, or stability for refractive surgery procedures, there is at least general agreement that more than 90% of appropriately selected patients achieve excellent uncorrected distance vision...
May 15, 2017: American Family Physician
https://www.readbyqxmd.com/read/28670502/impact-of-glaucoma-and-dry-eye-on-text-based-searching
#19
Michelle J Sun, Gary S Rubin, Esen K Akpek, Pradeep Y Ramulu
PURPOSE: We determine if visual field loss from glaucoma and/or measures of dry eye severity are associated with difficulty searching, as judged by slower search times on a text-based search task. METHODS: Glaucoma patients with bilateral visual field (VF) loss, patients with clinically significant dry eye, and normally-sighted controls were enrolled from the Wilmer Eye Institute clinics. Subjects searched three Yellow Pages excerpts for a specific phone number, and search time was recorded...
June 2017: Translational Vision Science & Technology
https://www.readbyqxmd.com/read/28670235/ophthalmologic-manifestations-in-patients-with-inflammatory-bowel-disease
#20
Hye Jin Lee, Hyun Joo Song, Jin Ho Jeong, Heung Up Kim, Sun-Jin Boo, Soo-Young Na
BACKGROUND/AIMS: Inflammatory bowel disease (IBD), including Crohn's disease (CD) and ulcerative colitis (UC), has been reported to have various ophthalmologic manifestations. The aim of this study was to evaluate the prevalence of ophthalmologic manifestations associated with IBD in Korea. METHODS: Sixty-one patients were examined between May 2013 and October 2014. We performed complete ophthalmologic examinations. RESULTS: Findings included 36 patients with CD and 25 with UC...
July 2017: Intestinal Research
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