View clinical trials related to Macular Degeneration.
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Patients with AMD will provide cheek cell samples to determine if their is a correlation between genotype (DNA markers) and phenotype (the type of AMD the patient has).
Patients with AMD who are being or have been treated with eye injections of drugs known as anti-VEGF agents with either good or poor response will have DNA collected with check swabs for analysis.
Since 2004, intravitreal injection of Avastin, Lucentis, and Macugen for wet age-related macular degeneration, retinal vein occlusion, and diabetic macular edema are being administered in the United States at increasing rates. A 2010 study showed that in Canada and the incidence of injections grew 8 fold from 2005 to 2007 to 25.9 injections per 100,000 citizens. (Campbell 2010) In 2009, in the United States, over 1 million intravitreal injections were administered to Medicare beneficiaries. (Wykoff 2011) In the year 2011, the four doctors in my retina group administered a total of 6,494 intravitreal injections; in 2010, we administered 5021 intravitreal injections. Even though intravitreal injections are commonly administered, the optimal method of anesthetizing the eye prior to injection has yet to be determined. Some physicians use an anesthetic drop, some a soaked cotton pledget, some use an anesthetic gel and some use subconjunctival injected anesthetic. In 2009, the last time the Procedures and Trends Survey (PAT) (Mittra 2009) conducted by the American Society of Retina Specialists (the largest retina society in the world) asked about anesthetic methods for administering intravitreal injections, the following response was given by the 433 respondents: - Topical anesthetic drop: 21.48% - Topical viscous anesthetic: 23.33% - Topical anesthetic & soaked cotton-tip or pledget: 29.79% - Subconjunctival injection of anesthetic: 24.02% - Other: 1.39% An editorial in 2011 in the journal Retina, discusses the lack of good studies assessing optimal anesthetic prior to intravitreal injections. (Prenner 2011).
In this prospective, open-label clinical study is to investigate the behavior of the retinal functions during development of diabetic macular disease (DME) under the influence of Lucentis. Measurements with the multifocal electroretinogram (ERG) and microperimetry is used here as an objective criteria to information about the retinal function obtain.
This will be a systematic investigation of the role of walnuts in preventing or slowing age related cognitive decline and age related macular degeneration. 700 subjects will be recruited between 2 sites, Loma Linda University in California, USA and Hospital Clinic in Barcelona, Spain. Participants will be randomly assigned to either the walnut group or the control group for a 2 year intervention. Baseline and annual data will be collected and analyzed.
The purpose of this Phase I/II study is to investigate the safety and preliminary efficacy of unilateral subretinal transplantation of HuCNS-SC cells in subjects with geographic atrophy secondary to age-related macular degeneration.
The investigators hypothesize that it is safe and effective to treat patients with choroidal neovascularisation (abnormal blood vessels growing under the retina) secondary to causes other than age related macular degeneration (AMD) and pigment epithelial detachments (blisters of fluid under the retina) secondary to AMD with ranibizumab (Lucentis). These groups of patients have to date been excluded from the multicentre trials demonstrating significant benefit of Ranibizumab in the treatment of AMD.
The purpose of this study is to evaluate the safety and tolerability of RPE cellular therapy in patients with SMD
This study will examine the use of Aflibercept in patients with exudative macular degeneration requiring intravitreal injections. Patients will be followed for 24 months. The follow up phase will be completed at month 36.