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      Long-Term Intraocular Pressure Changes in Patients with Neovascular Age-Related Macular Degeneration Treated with Ranibizumab

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          Abstract

          Background/Aims: To investigate the long-term effects of multiple intravitreal injections (IVTs) of ranibizumab (Lucentis) on intraocular pressure (IOP) in patients with neovascular age-related macular degeneration. Methods: In 320 eyes, IOP measurements were performed at baseline prior to injection and compared with IOP measurements of the last visit. Correlations between mean IOP change and total number of IVTs, visual acuity or patient age were tested. Results: The mean IOP increase was 0.8 ± 3.1 mm Hg (p < 0.0001). Seven eyes showed final IOP values between 22 and 25 mm Hg. The mean follow-up was 22.7 ± 14.1 months. No further correlations between IOP change and number of IVTs, visual acuity or patient age have been found. Conclusions: This study demonstrated a statistically significant IOP increase in patients treated with repeated injections of ranibizumab. However, IOP increase required no glaucoma treatment during the study. Therefore, repeated injections with ranibizumab can be considered safe with regard to long-term IOP changes in patients without ocular hypertension or glaucoma.

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          Prevalence of age-related macular degeneration in the United States.

          David Friedman, Benita J O'Colmain, Beatriz Mateos Muñoz … (2004)
          To estimate the prevalence and distribution of age-related macular degeneration (AMD) in the United States by age, race/ethnicity, and gender. Summary prevalence estimates of drusen 125 microm or larger, neovascular AMD, and geographic atrophy were prepared separately for black and white persons in 5-year age intervals starting at 40 years. The estimated rates were based on a meta-analysis of recent population-based studies in the United States, Australia, and Europe. These rates were applied to 2000 US Census data and to projected US population figures for 2020 to estimate the number of the US population with drusen and AMD. The overall prevalence of neovascular AMD and/or geographic atrophy in the US population 40 years and older is estimated to be 1.47% (95% confidence interval, 1.38%-1.55%), with 1.75 million citizens having AMD. The prevalence of AMD increased dramatically with age, with more than 15% of the white women older than 80 years having neovascular AMD and/or geographic atrophy. More than 7 million individuals had drusen measuring 125 microm or larger and were, therefore, at substantial risk of developing AMD. Owing to the rapidly aging population, the number of persons having AMD will increase by 50% to 2.95 million in 2020. Age-related macular degeneration was far more prevalent among white than among black persons. Age-related macular degeneration affects more than 1.75 million individuals in the United States. Owing to the rapid aging of the US population, this number will increase to almost 3 million by 2020.
          Article 0 comments Cited 551 times – based on 0 reviews     Review now
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            An optical coherence tomography-guided, variable dosing regimen with intravitreal ranibizumab (Lucentis) for neovascular age-related macular degeneration.

            Anne Fung, Geeta A Lalwani, Philip J. Rosenfeld … (2007)
            To evaluate an optical coherence tomography (OCT)-guided, variable-dosing regimen with intravitreal ranibizumab for the treatment of patients with neovascular age-related macular degeneration (AMD). Open-label, prospective, single-center, nonrandomized, investigator-sponsored clinical study. In this two-year study, neovascular AMD patients with subfoveal choroidal neovascularization (CNV) (n = 40) and a central retinal thickness of at least 300 microm as measured by OCT were enrolled to receive three consecutive monthly intravitreal injections of ranibizumab (0.5 mg). Thereafter, retreatment with ranibizumab was performed if one of the following changes was observed between visits: a loss of five letters in conjunction with fluid in the macula as detected by OCT, an increase in OCT central retinal thickness of at least 100 microm, new-onset classic CNV, new macular hemorrhage, or persistent macular fluid detected by OCT at least one month after the previous injection of ranibizumab. At month 12, the mean visual acuity improved by 9.3 letters (P < .001) and the mean OCT central retinal thickness decreased by 178 microm (P < .001). Visual acuity improved 15 or more letters in 35% of patients. These visual acuity and OCT outcomes were achieved with an average of 5.6 injections over 12 months. After a fluid-free macula was achieved, the mean injection-free interval was 4.5 months before another reinjection was necessary. This OCT-guided, variable-dosing regimen with ranibizumab resulted in visual acuity outcomes similar to the Phase III clinical studies, but required fewer intravitreal injections. OCT appears useful for determining when retreatment with ranibizumab is necessary.
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              Randomized, double-masked, sham-controlled trial of ranibizumab for neovascular age-related macular degeneration: PIER Study year 1.

              Carl Regillo, David M Brown, Prema Abraham … (2008)
              To evaluate the efficacy and safety of ranibizumab administered monthly for three months and then quarterly in patients with subfoveal choroidal neovascularization (CNV) secondary to age-related macular degeneration (AMD). Phase IIIb, multicenter, randomized, double-masked, sham injection-controlled trial in patients with predominantly or minimally classic or occult with no classic CNV lesions. Patients were randomized 1:1:1 to 0.3 mg ranibizumab (n = 60), 0.5 mg ranibizumab (n = 61), or sham (n = 63) treatment groups. The primary efficacy endpoint was mean change from baseline visual acuity (VA) at month 12. Mean changes from baseline VA at 12 months were -16.3, -1.6, and -0.2 letters for the sham, 0.3 mg, and 0.5 mg groups, respectively (P < or = .0001, each ranibizumab dose vs sham). Ranibizumab arrested CNV growth and reduced leakage from CNV. However, the treatment effect declined in the ranibizumab groups during quarterly dosing (e.g., at three months the mean changes from baseline VA had been gains of 2.9 and 4.3 letters for the 0.3 mg and 0.5 mg doses, respectively). Results of subgroups analyses of mean change from baseline VA at 12 months by baseline age, VA, and lesion characteristics were consistent with the overall results. Few serious ocular or nonocular adverse events occurred in any group. Ranibizumab administered monthly for three months and then quarterly provided significant VA benefit to patients with AMD-related subfoveal CNV and was well tolerated. The incidence of serious ocular or nonocular adverse events was low.
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                Author and article information

                Journal
                Journal ID (publisher-id): OPH
                Journal ID (nlm-ta): Ophthalmologica
                Journal ID (doi): 10.1159/issn.0030-3755
                Title: Ophthalmologica
                Publisher: S. Karger AG
                ISSN (Print): 0030-3755
                ISSN (Electronic): 1423-0267
                Publication date Subscription-year: 2013
                Publication date (Print): April 2013
                Publication date (Electronic): 16 March 2013
                Volume: 229
                Issue: 3
                Pages: 168-172
                Affiliations
                aDepartment of Ophthalmology, Inselspital, Bern University Hospital, and University of Bern, Bern, Switzerland; bDepartment of Ophthalmology, Kulliyyah of Medicine, International Islamic University of Malaysia, Pahang, Malaysia
                Author notes
                *Marcel N. Menke, Department of Ophthalmology, Inselspital Bern, CH-3010 Bern (Switzerland), E-Mail marcel.menke@insel.ch
                Article
                Publisher ID: 346397 Other ID: Ophthalmologica 2013;229:168-172
                DOI: 10.1159/000346397
                PubMed ID: 23548723
                SO-VID: b729a43b-ea23-42cb-82f9-131339572d5a
                Copyright © © 2013 S. Karger AG, Basel
                License:

                Copyright: All rights reserved. No part of this publication may be translated into other languages, reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying, recording, microcopying, or by any information storage and retrieval system, without permission in writing from the publisher. Drug Dosage: The authors and the publisher have exerted every effort to ensure that drug selection and dosage set forth in this text are in accord with current recommendations and practice at the time of publication. However, in view of ongoing research, changes in government regulations, and the constant flow of information relating to drug therapy and drug reactions, the reader is urged to check the package insert for each drug for any changes in indications and dosage and for added warnings and precautions. This is particularly important when the recommended agent is a new and/or infrequently employed drug. Disclaimer: The statements, opinions and data contained in this publication are solely those of the individual authors and contributors and not of the publishers and the editor(s). The appearance of advertisements or/and product references in the publication is not a warranty, endorsement, or approval of the products or services advertised or of their effectiveness, quality or safety. The publisher and the editor(s) disclaim responsibility for any injury to persons or property resulting from any ideas, methods, instructions or products referred to in the content or advertisements.

                History
                Date received : 31 August 2012
                Date accepted : 26 November 2012
                Page count
                Tables: 2, Pages: 5
                Categories
                Subject: Original Paper

                ScienceOpen disciplines: Vision sciences,Ophthalmology & Optometry,Pathology
                Keywords: Intraocular pressure,Ranibizumab,Age-related macular degeneration,Anti-vascular endothelial growth factor
                Data availability:
                ScienceOpen disciplines: Vision sciences, Ophthalmology & Optometry, Pathology
                Keywords: Intraocular pressure, Ranibizumab, Age-related macular degeneration, Anti-vascular endothelial growth factor

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