564 Clinical Trials for Various Conditions
The purpose of this study is to understand if combining Low Vision Rehabilitation (LVR) with Emotional Regulation Therapy (ERT) can help people with inherited retinal diseases (IRDs) that experience emotional distress related to participants' vision loss. The study team hypothesize that treatment with LVR will produce measurable functional gains and that these effects will be enhanced by ERT-linked improvement among the subgroup of IRD patients with elevated vision-related anxiety.
This study is an open-label, single ascending dose clinical trial in participants who have ABCA4-related retinopathies. This is the first-in-human clinical trial in which ACDN-01 will be evaluated for safety, tolerability, and preliminary efficacy following a single subretinal injection of ACDN-01.
The goal of this research study is to compare two ultrawide field cameras to the gold standard imaging system to evaluate the back of the eye. The main question it aims to answer is the same results and information can be acquired from all of the cameras for evaluating and monitoring inherited retinal diseases (IRDs). Participants will: * undergo pupillary dilation * have photographs taken of the inside of the eyes using three different cameras
This study will demonstrate that tarcocimab 5 mg is superior to sham treatment in participants with DR.
The purpose of this study is to better understand the natural history of Inherited Retinal Disease (IRD) and help inform patient management.
Current clinical cameras do not allow clinicians to see the cells of the retina. This study will evaluate a new electronic camera's ability to image the human retina in finer detail.
The objective of the study is to collect adaptive optics (AO) retinal images from human subjects with outer retinal diseases (diseases of the outer retina including photoreceptor, retinal pigment epithelium (RPE), basement membrane or choroidal pathologies) to develop new diagnostic methods, biomarkers, and clinical endpoints.
The DRAGONS study is a non-interventional, prospective study that will 1. characterize disease state biomarker (including cytokines, KKS metabolites, and cell adhesion molecules) levels from aqueous humor of subjects with various stages of diabetic retinopathy (DR) and diabetic macular edema (DME) as well as other retinal pathologies, and 2. correlate a broad array of aqueous humor disease state biomarkers with DR severity, DME anti-vascular endothelial growth factor (VEGF) responsiveness, and other retinal pathologies.
This is a phase I/II randomized, masked, clinical trial to determine the safety and efficacy of intravitreal administration of cerliponase alfa.
The study will compare the safety of ophthalmic bevacizumab in vials versus pre-filled syringes 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.
This Phase 3 Study will evaluate the efficacy and safety of KSI-301 in participants with moderately severe to severe non-proliferative diabetic retinopathy (NPDR).
Background: ABCA4 retinopathy is a genetic disease in which the ABCA4 protein is absent or faulty. It can cause waste material to collect in the eye and may cause cells to die. The cell death can lead to vision loss. Researchers want to see if an oral drug called metformin can help. Objective: To see if metformin is safe and possibly helps to slow the rate of ABCA4 retinopathy. Eligibility: People age 12 and older who have ABCA4 retinopathy and have problems with their vision. Design: Participants will be screened under a separate protocol. Participants will have a medical and family history. They will complete a questionnaire about their vision and daily activities. They will have a physical exam. They may have blood drawn through a needle in the arm. Participants will have an eye exam. Their pupils may be dilated with eye drops. Their retina may be photographed. Participants will have a visual field test. They will sit in front of a large dome and press a button when they see a light within the dome. Participants will have an electroretinogram. It examines the function of the retina. They will sit in the dark for 30 minutes. Then their eyes will be numbed with eye drops. They will wear contact lenses that can sense signals from the retinas. They will watch flashing lights. Participants will have optical coherence tomography. This non-invasive procedure makes pictures of the retina. Participants will have fundus autofluorescence. A bright blue light will be shone into their eye. Participants will take metformin by mouth for 24 months. Participants will have study visits every 6 months. Participation will last for at least 36 months....
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.
Study GR41675 is a Multicenter, Randomized Study in Participants with Diabetic Retinopathy (DR) Without Center-Involved Diabetic Macular Edema (CI-DME) to Evaluate the Efficacy, Safety of the Port Delivery System with Ranibizumab (PDS) Relative to the Comparator Arm
To evaluate the efficacy of ZA oral solution in subjects with IRD caused by biallelic recessive RPE65 or LRAT gene mutations and phenotypically diagnosed as Leber's Congenital Amaurosis (LCA) or Retinitis Pigmentosa (RP).
Background: The retina is a thin layer of tissue at the back of the eye. Retinal disease usually reduces a person s mobility because it affects how he or she moves through familiar and unfamiliar environments. Researchers want to see if a virtual reality (VR) tool can provide an easier and more accurate way to assess mobility. Objective: To learn if researchers can track changes in mobility in people with retinal disease using a new VR tool. Eligibility: People aged 5 and older with retinal disease that affects their vision, and healthy volunteers. Design: Participants will have 2-3 clinic visits. Participants will wear goggles or sit in front of a screen while sitting. Using a game controller, they will navigate through 4 obstacle courses presented in VR. Participants will have a medical history exam. They will answer questions about their family history. They will fill out questionnaires about the vision and mobility issues they have in their daily lives. Participants will have a complete eye exam. They will read letters from a chart. Their eye pressure will be measured. Their pupils may be dilated with eye drops. Pictures of their eye will be taken. Lights will be shined in their eyes. Participants will take a visual field test. For this, they will look into a dome and press a button when they see a light. Participants will have an electroretinogram. For this, they will sit in the dark with their eyes patched. Then their eyes will be numbed with eye drops and they will wear contact lenses while watching flashing lights. Participants will have optical coherence tomography. This is a noninvasive procedure. It produces cross-sectional pictures of the retina....
The study will explore the impact of photobiomodulation (PBM), pulsating at frequencies of red (660nm) and near-infrared (810nm)(NIR), concurrent with a ketogenic dietary protocol (serum ketones @ .5 - 2.0 mmol/L) to mediate vascular features of diabetic retinopathy (DR), diabetic macular edema (DME), age-related macular degeneration (AMD), mid-peripheral drusens, visual acuity and retinal disorders. Red and near-infrared light via light-emitting diode (LED) treatment promotes retinal healing and improves visual acuity by augmenting cellular energy metabolism, enhancing mitochondrial function, increasing cytochrome C oxidase activity, stimulating antioxidant protective pathways and promoting cell survival. LED therapy directly benefits neurons in the retina, the lateral geniculate nucleus and the visual cortex; likewise, a ketogenic dietary protocol shows metabolic and neuro-modulatory benefits within the CNS, most notably as treatment for refractory epilepsy. Photobiomodulation has been approved as a non-significant risk (NSR) modality for the treatment of eye disorders.
This study will examine potential factors in the aqueous humor that may contribute to the development or progression of macular edema or fibrosis (due to any underlying disease) in patients suffering from these conditions.
Background: Retinal diseases cause the loss of rod and cone photoreceptors. Symptoms include vision loss and night blindness. Researchers want to learn about rod and cone function in healthy people and people with retinal disease. They want to know if how well a person sees in the dark can test the severity of retinal disease. Objectives: To find out if how well a person sees in the dark can test the severity of retinal disease. To find out if this can help detect retinal disease and track its changes. Eligibility: People ages 5 and older with: Retinal disease OR 20/20 vision or better with or without correction in at least one eye Design: Participants will be screened with medical and eye history and eye exam. Those with retinal disease will also have: Eye imaging: Drops dilate the eye and pictures are taken of it. Visual field testing: Participants look into a bowl and press a button when they see light. Electroretinogram (ERG): An electrode is taped to the forehead. Participants sit in the dark with their eyes patched for 30 minutes. Then they get numbing drops and contact lenses. Participants watch lights while retina signals are recorded. Visit 1 will be 3-8 hours. Participants will have up to 6 more visits over 6-12 months. Visits include: Eye exam and imaging Time course of dark adaptation: Participants view a background light for 5 minutes then push a button when they see colored light. Dark adapted sensitivity: Participants sit in the dark for 45 minutes. They push a button when they see colored light. For participants with retinal disease, ERG and visual field testing
To evaluate the natural history of visual function in subjects with IRD phenotypically diagnosed as Leber congenital amaurosis (LCA) or retinitis pigmentosa (RP) caused by RPE65 or LRAT gene mutations.
Instead of the usual procedure of injecting ICG dye directly into an arm vein, now the dye can be placed inside of RBCs. When a small volume of the RBC's with the dye is injected into a person's arm, the individual RBCs can be seen as they flow through the retinal blood vessels.
The purpose of this study is to evaluate the role of alpha lipoic acid in patients who have moderate non-proliferative diabetic retinopathy. The primary aim of this study is to test the hypothesis that the addition of alpha lipoic acid in a diabetic patient's therapeutic regimen can decrease the progression of diabetic retinopathy and preserve visual acuity.
Background: - The purpose of this study is to find out whether color vision measured with the Cambridge Color Test is a good way to examine the severity of inherited retinal diseases (IRDs). IRDs are a major cause of vision loss worldwide, but very little is known about how the diseases affect color vision over time. This study will tell us if color vision may be used to track changes in inherited retinal diseases over time. Objectives: - To improve understanding of color vision as a way to measure changes in inherited retinal diseases. Eligibility: * People 5 years of age or older who have an IRD. * Healthy volunteers at least 5 years of age. Design: * Participants will make at least one visit to the National Eye Institute clinic. If they sign up for more tests, they may have up to three visits to the NEI clinic. * Participants will be asked questions about their medical and eye history. * Participants will be given an eye exam, including eye drops to dilate their pupils. They will take the Cambridge Color Test, which includes looking at a monitor and pressing a button, and arranging colored circles. Several other tests may be offered, but participants can decline to take them. * Treatment will not be provided as part of this study.
This pilot study is to determine whether it would be safe and feasible to inject CD34+ stem cells from bone marrow into the eye as treatment for patients who are irreversibly blind from various retinal conditions.
The basic objective of this project is to test a modification of existing technology for monitoring the responses of the pupil to light as a method for detecting regional losses of function of the retina. The "instrument" consists of a commercially available set of goggles that monitor the eye positions and pupils using infrared light and small cameras. The signals from the monitoring cameras are collected in a computer that records how their pupils have responded to each lighting condition. Because diabetics develop damage initially to certain parts of the retina before they have more serious damage, the ultimate goal of this research is to develop a simple, noninvasive, rapid method for widespread screening of diabetics in order to identify those who may require medical attention and/or therapy for diabetic retinopathy.
Background: - To understand diseases of the retina and the eye, information is needed about people with and without such diseases. Researchers want to study these people and follow them over time. They also want to study body tissues and blood to understand the nature of eye disease. Studying genes, cells, and tissues may help them understand why some people get eye problems and others do not, or why some people respond to treatment while others do not. Researchers want to collect physical samples and personal data to develop a National Eye Institute database. Objectives: - To collect health information and blood and tissue samples from people with and without eye diseases, to be used in research studies. Eligibility: * Individuals at least 2 years of age with different types of eye disease. * Healthy volunteers with no history of eye disease. Design: * Participants may be recruited from National Eye Institute studies or may be referred from other sources. * Participants will be screened with a physical exam and medical history. They will also have a full eye exam. Questions will be asked about family medical history, especially about eye disease. * Blood samples will be collected. Other samples, such as saliva, tears, hair, stool, and urine, may be collected as needed. Adult participants may also provide a skin sample. * Tissue or fluid from eye collected as part of eye care or treatment may also be added to the database. * No treatment will be provided as part of this study.
A recombinant adeno-associated virus serotype 2 (rAAV2) vector has been altered to carry the human RPE65 (hRPE65) gene. This vector has been shown to restore vision in animal models that resemble human RPE65-associated Leber congenital amaurosis (LCA), an incurable retinal degeneration that causes severe vision loss. The proposed study is an open label, Phase I clinical trial of subretinal rAAV2-CBSB-hRPE65 administration to individuals with RPE65-associated retinal disease. Five cohorts will be included in this trial. Cohorts 1, 2 and 4 will consist of individuals 18 years of age and older. Cohorts 3 and 5 will consist of individuals between the ages of 8 and 17, inclusive. Enrollment in Cohorts 3 and 5 will begin only after confirming the safety of rAAV2-CBSB-hRPE65 administration in the older groups of participants. This trial will lead to a greater understanding of the safety and thereby potential value of gene transfer in RPE65-associated retinal disease and will have implications for other forms of retinal degenerative disease amenable to this type of intervention. The goal of this clinical trial is to determine the safety of uniocular subretinal administration of rAAV2-CBSB-hRPE65 in individuals with RPE65-associated retinal disease. Ocular and systemic toxicity will be assessed prior to and following vector administration to determine if there are adverse changes that may be associated with vector administration.
ARRON is a disease believed to be due to immune cells, cells which normally protect the body, but are now attacking the tissue in the retina and/or optic nerve. In addition, the disease may affect the nerves in the ear or other parts of the body . The affected nerves fail to respond, or respond only weakly, to stimuli causing numbing, tingling, pain, and progressive muscle weakness. If the nerves to the ear are affected, reduced hearing or deafness may result. The likelihood of progression of your disease is high. This study is designed to examine whether treating patients with high dose cyclophosphamide and rabbit ATG (drugs which reduce the function of the immune system) followed by return of previously collected blood stem cells will stop the progression of ARRON syndrome. Stem cells are undeveloped cells that have the capacity to grow into mature blood cells, which normally circulate in the blood stream. The purpose of the cyclophosphamide and rabbit ATG is to destroy the cells in the immune system which are thought to be causing this disease. The purpose of the stem cell infusion is to restore the body's blood production, which will be severely impaired by the high dose chemotherapy and to produce a normal immune system that will no longer attack the body.
The use of intravitreal injections of corticosteroid (triamcinolone acetonide) appears to be a promising treatment for a variety of ocular diseases associated with inflammation. To date, the only drug available, "Kenalog-40 Injection" produced by Bristol Myers Squibb, has not been formulated for intraocular use. The purpose of this study is to evaluate the long-term safety and potential efficacy of novel intravitreal injections of a preservative-free formulation of triamcinolone acetonide (TAC-PF) at two dosage levels (4 mg and 8 mg) compared to anterior sub-tenon injections of TAC-PF at 20 mg. The study will be a masked, randomized Phase I study that will enroll 120 participants with one of the following diseases: age-related macular degeneration (AMD), diabetic macular edema (DME), central retinal vein occlusion (CRVO), branch retinal vein occlusion (BRVO), or any other retinal disease with associated macular edema. At least 21 participants will be enrolled in the four designated disease strata: AMD, DME, CRVO, and BRVO. The remaining 36 participants may have one of these diseases or may be enrolled with another retinal disease. Within each disease strata, at least seven participants will be randomized to each dosing group. The participants will be randomly assigned to one of the three treatment groups. The primary outcome will be an assessment of post-injection intraocular toxicity-related events during the 3-year follow-up, including cataract formation, development of glaucoma, and any adverse event preventing retreatment. The secondary outcomes will be an improvement in best-corrected visual acuity (BCVA, EVA) and decreases in retinal thickening and area of leakage, from baseline to year 1.
This study offers evaluation and treatment for patients with certain diseases of the retina (the layer of light-sensitive tissue that lines the inside of the eyeball). The protocol is not designed to test new treatments; rather, patients will receive the current standard of care for his or her specific condition. The purpose of the study is twofold: 1) to allow National Eye Institute physicians to increase their knowledge of retinal eye diseases and identify possible new avenues of research in this area; and 2) to establish a pool of patients who may be eligible for new studies as they are developed. (Participants in this protocol will not be required to join a new study; the decision will be voluntary.) Patients with diabetic retinopathy, age-related macular degeneration, vascular occlusive disease, central serous retinopathy or another retinal disease may be eligible for this study. Candidates will be screened with a medical history, brief physical examination, thorough eye examination and blood test. The eye examination includes measurements of eye pressure and visual acuity (ability to see the vision chart), examination of the pupils and eye movements, and dilation of the pupils to examine the lens and retina. Patients will also undergo fundus photography and fluorescein angiography, as follows: * Fundus photography - Special photographs of the inside of the eye to help evaluate the status of the retina and evaluate changes that may occur in the future. From 2 to 20 pictures may be taken, depending on the eye condition. The camera flashes a bright light into the eye for each picture. * Fluorescein angiography - Procedure to evaluate the eye's blood vessels. A yellow dye injected into an arm vein travels to the blood vessels in the eyes. Pictures of the retina are taken using a camera that flashes a blue light into the eye. The pictures show if any dye has leaked from the vessels into the retina, indicating possible blood vessel abnormality. Participants will be followed at least 3 years. Follow-up visits are scheduled according to the standard of care for the individual patient's eye problem. It is estimated that most patients will have from one to four follow-up visits each year. Vision will be checked at each visit, and some of the screening tests described above may be repeated to follow the progress of disease and evaluate the response to treatment.