Active clinical trials for "Macular Degeneration"

Neovascular age-related macular degeneration is characterized by the presence of choroidal neovascularization (CNV), which consists of abnormal blood vessels originating from the choroid that can lead to hemorrhage, fluid exudation, and fibrosis, resulting in photoreceptor damage and vision loss. The safety and efficacy of brolucizumab were assessed in 2 randomized, multicenter, double-masked, active treatment-controlled Phase 3 studies in nAMD patients (the HAWK study (RTH258-C001 [NCT02307682]) and the HARRIER study (RTH258-C002 [NCT02434328]). Accordingly, a new Phase 3b study (TALON, CRTH258A2303) is being conducted to evaluate the efficacy and safety of brolucizumab in a Treat-to-Control (TtC) regimen for the treatment of naïve patients with nAMD. In this TtC regimen, patients receive 3 consecutive injections every 4 weeks and then the injection interval is extended by 4 weeks up to a maximum of a 16-week interval. The decision to extend or reduce the injection interval is taken by the Investigator at each visit based on his/her judgment of disease activity, according to the patient visual and/or anatomic outcomes. If there is no disease activity, the injection interval can be extended by 4 weeks ; if disease activity occurs or recurs, the injection interval should be shortened accordingly by 4 weeks at a time or to a minimal interval of 8 weeks. The injection interval can also be maintained if the Investigator deems that the patient do not benefit from injection interval adjustment. Since all these studies were conducted in a naïve nAMD patient population, no data are available on the efficacy and safety of brolucizumab in pretreated nAMD patients who still present active exudation.

To investigate the efficacy of retinal electromagnetic stimulation and sub-tenon autologous platelet rich plasma in the treatment of deep retinal capillary ischemia.

This is an open-label, multicenter study in subjects with Stargardt disease, comparing 2 doses of STG-001 with regard to safety, pharmacokinetics and pharmacodynamics.

The study will evaluate the safety of ophthalmic bevacizumab in subjects diagnosed with a retinal condition that would benefit from treatment with intravitreal injection of bevacizumab, including: exudative age-related macular degeneration, diabetic macular edema, or branch retinal vein occlusion.

The purpose of this study is to test whether a kind of brain stimulation called anodal transcranial direct current stimulation (a-tDCS) can improve the ability of people with age-related macular degeneration (AMD) or juvenile macular degeneration (JMD) to read words presented to them on a computer screen. In addition, secondary measures of visual acuity will also be examined to determine whether brain stimulation can allow patients to resolve finer details of an image. The proposed treatment is the application of a-tDCS onto the participant's head, with brain stimulation aimed at Primary Visual Cortex toward the occipital pole. The investigators will test the ability of participants to read words before and after the application of stimulation. The difference between the pre and post tests when receiving active stimulation will be compared to the difference when receiving sham stimulation, because sham stimulation is not expected to improve reading beyond a placebo. The aim of the study is to examine the potential of brain stimulation as an effective treatment for macular degeneration that may be used in conjunction with more traditional eye-based interventions. The investigators hypothesize that the brain stimulation will enable higher performance in the reading task and secondary measures due to an increase in the cortical excitability of the stimulated brain cells.

This study is designed to prove and confirm the efficacy and safety of multiple injections of human recombinant vascular endothelial growth factor receptor-Fc fusion protein (KH902) in patients with choroidal neovascularization due to neovascular age-related macular degeneration by comparing intravitreal injections of KH902 with sham-injections.

The main objective is to determine the efficacy of intravitreal administration of Ranibizumab combined with intravitreous injection of expansile gas and induction of posterior vitreous detachment on best-corrected visual acuity and ocular coherence tomography (OCT) macular thickness in subjects with neovascular age-related macular degeneration (AMD) with posterior vitreomacular adhesion (VMA). Secondary objectives are to assess the safety and tolerability of the intravitreal administration of Ranibizumab combined with intravitreous injection of expansile gas.

In the Western World, Age Related Macular Degeneration (ARMD) is a leading cause of blindness. This disease was once thought to be a natural part of aging, but recent research has introduced effective treatments. ARMD is related to the body initiating an immune response in the eye, as if responding to an infection. Vision is impacted as ocular tissue becomes inflamed and new blood vessels form at the back of the eye, a process called angiogenesis. In the more severe wet form of ARMD, blood and fluid leak out of the vessels and impair the eye's structure and function. Many studies have shown that ranibizumab, a drug that stops the formation of new blood vessels (an anti-angiogenic agent) can delay damage to the eye and often restore vision. The investigators believe the best drug therapy will also stop the inflammation. OZURDEX, a steroid drug, has shown the potential to effectively reduce inflammation in this application. The investigators aim to investigate if patients receiving a combination treatment of ranibizumab and OZURDEX improve their visual abilities more than those receiving just ranibizumab treatment alone. Secondarily, the investigators will also investigate how often patients receiving each drug therapy regime require re-treatment and how often they experience further vision loss.

Background: Wet age-related macular degeneration (AMD) occurs when abnormal blood vessels grow in the back of the eye, and leak blood and other fluids that damage the eye, produce scarring, and lead to blindness. People diagnosed with wet AMD have increased production of a body chemical called vascular endothelial growth factor (VEGF). VEGF is important in the formation of blood vessels in the body, and decreasing the production of VEGF is believed to help wet AMD patients by preventing or slowing the growth of the abnormal blood vessels. Anti-VEGF drugs have been used to decrease the production of VEGF, but some people do not respond completely to these drugs. A protein in the body called mTOR also plays a critical role in regulating how cells divide and grow and obtain their blood supply. The experimental chemical Palomid 529 inhibits the production of mTOR. Researchers are interested in determining whether Palomid 529 is safe and can help individuals with wet AMD who have not completely responded to anti-VEGF treatments. Objectives: - To evaluate the safety and effectiveness of Palomid 529 as a treatment for wet age-related macular degeneration in individuals who have not responded to standard anti-VEGF treatments. Eligibility: - Individuals with wet age-related macular degeneration in at least one eye that has not responded to standard anti-VEGF treatments. Design: Prior to the first visit, participants should have been seen at the National Eye Institute clinic under a screening or teaching protocol, or NIH protocol 08-EI-0103, High Speed Indocyanine Green Angiography Findings in Induction Regimen of Intravitreal Ranibizumab Injection for Neovascular Age Related Macular Degeneration. One eye will be designated as the study eye to receive the Palomid 529 treatment. Participants will have a full physical examination and medical history, a full eye examination to evaluate eye health and vision, angiography to examine the blood vessels in the eyes, and blood and urine tests during the study Participants will receive an injection of Palomid 529 into the study eye every 4 weeks during the study, for a total of three injections. Participants may also receive anti-VEGF injections such as ranibizumab (Lucentis ) or bevacizumab (Avastin ) in the study eye 12 days before and 12 days after the Palomid 529 injection. Participants may have standard-of-care treatments for the non-study eye if it has wet AMD as well, but may not receive experimental treatments in the non-study eye while they are in this study. Participants will return for long-term follow-up examinations as directed by the study researchers.

The purpose of the study is to investigate whether the efficacy of Lucentis treatment for exudative age-related macular degeneration is associated with VEGF and HTRA1 DNA polymorphisms