Clinical trials: Visual Pathway Disorder
Brain and Central Nervous System Tumors
Tumor Tissue, Blood Samples, and Family History in Predicting Tumor Development and Response to Treatment in Young Patients With Low-Grade Glioma
RATIONALE: Studying samples of tumor tissue and blood in the laboratory may help doctors learn more about changes that occur in DNA and identify biomarkers related to cancer.
- Trial name
- NCT00891722
- Testing
- biologic sample preservation procedure, laboratory biomarker analysis, questionnaire administration
- Where
- United Kingdom
- Volunteers
- 900 people, healthy volunteers welcome
- Sponsor
- Children's Cancer and Leukaemia Group
Pituitary Adenoma, Visual Impairment
Clinical Study of Structural and Functional Evaluation of the Visual Pathway
Sellar area tumors such as pituitary adenoma, craniopharyngioma and meningioma, etc, commonly lead to visual impairment symptoms.
- Conditions
- Pituitary Adenoma, Visual Impairment, Sellar Tumor, Neuroimaging
- Trial name
- NCT03591315
- Testing
- resting state fMRI, visual tasking state fMRI, diffusion tensor imaging
- Where
- China
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Xiangya Hospital of Central South University
Brain Response to Visual Food Cues
The Effect of a Meal on Brain Activation in Reward Pathways
Scientists have studied how fasting and nutrients affect brain function in animals. The purpose of this study is to look at the effects of both fasting and food intake on brain function and memory in humans.
- Trial name
- Satiety (NCT01631045)
- Where
- United States
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University of Washington
Cannabis Use
Electrophysiological Study of the Functioning of Magnocellular Visual Pathway in Regular Cannabis Users
This study will evaluate the impact of regular use of cannabis on the spatial sensitivity of magnocellular system (visual event-related potential, visual ERP).
- Trial name
- CAUSA MAP (NCT02864680)
- Testing
- Electroretinography, Contrast sensitivity test during Electroencephalography, Visual simultaneity test during Electroencephalography
- Where
- France
- Volunteers
- 163 people, healthy volunteers welcome
- Sponsor
- Central Hospital, Nancy, France
Visual Pathway Disorder, Glaucoma
Assessment of Visual Function in Ophthalmic Disorders Using Virtual Visual Field Analysis
1. To evaluate the accuracy of virtual visual field (VVF) headsets equipped the standard visual field software in its ability to assess visual function in various retinal, glaucoma and neuro-ophthalmic disorders by comparing…
- Conditions
- Visual Pathway Disorder, Glaucoma, Retinal Disease
- Trial name
- proVVF (NCT04110015)
- Testing
- virtual visual field
- Where
- United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- New York City Health and Hospitals Corporation
Brain and Central Nervous System Tumors, Leukemia
Decision Making About Participating in Pharmacokinetic Studies in Patients Enrolled in a Phase I Treatment Clinical Trial
RATIONALE: Gathering information about why patients or their guardians agree or decline to participate in the optional pharmacokinetic portion of a phase I treatment study may help doctors plan clinical trials in the future.
- Conditions
- Brain and Central Nervous System Tumors, Leukemia, Unspecified Adult Solid Tumor, Protocol Specific, Unspecified Childhood Solid Tumor, Protocol Specific
- Trial name
- NCT00890435
- Testing
- questionnaire administration, psychosocial assessment and care
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- Children's Oncology Group
Glaucoma, Optic Neuropathy, Ischemic
Neural Conduction Along the Visual Pathways After Oral Treatment With Citicoline in Patients With Optic Nerve Diseases
In the management of glaucoma, as for as in other optic nerve diseases, an important goal of ophthalmologists is represented by the possibility of influencing visual function.
- Conditions
- Glaucoma, Optic Neuropathy, Ischemic, Visual Pathway Disorder, Optic Nerve
- Trial name
- NCT00404729
- Testing
- Citicoline
- Where
- 2 sites in Italy
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Fondazione G.B. Bietti, IRCCS
Mild Cognitive Impairment, Metabolic Syndrome
Dietary Ketosis: Fatty Acids Activate AMPK Energy Circuits Modulating Global Methylation
The study explores whether selective memory complaints (SMC), mild cognitive impairment (MCI) and the comorbidity of Metabolic Syndrome symptomatic of peripheral and cerebral hypo-metabolism with corresponding epigenetic shifts…
- Trial name
- NCT03319173
- Testing
- Dietary intervention
- Where
- United States
- Volunteers
- 98 people, healthy volunteers welcome
- Sponsor
- Bristlecone Health, Inc.
Glaucoma, Macular Degeneration
BCI and Evaluation of Visual and Task Performance in Subjects With Eye Diseases
The purpose of this research study is to better understand the impact of visual impairment caused by different eye diseases on the ability to perform daily activities and compare it to that in patients without eye diseases.
- Conditions
- Glaucoma, Macular Degeneration, Glaucoma Suspect, Optic Neuropathy
- Trial name
- NCT03318549
- Testing
- Visual Performance tests, Brain-computer interface
- Where
- United States
- Volunteers
- 115 people, healthy volunteers welcome
- Sponsor
- University of Miami
Brain and Central Nervous System Tumors, Leukemia
Metabolic Syndrome in Childhood Cancer Survivors
RATIONALE: Gathering information about how often metabolic syndrome occurs in young survivors of childhood cancer may help doctors learn more about the disease.
- Conditions
- Brain and Central Nervous System Tumors, Leukemia, Lymphoma, Metabolic Syndrome
- Trial name
- NCT00920738
- Testing
- metabolic assessment, questionnaire administration
- Where
- United States
- Volunteers
- 512 people, healthy volunteers welcome
- Sponsor
- University of Minnesota
Visual Pathway Disorder
Visual Stimulus Competition
In this study, we will use behavioral methods to investigate several types of interactions that occur when visual stimuli conflict, such as when objects are presented nearby to each other, or to separate eyes.
- Trial name
- NCT03741595
- Testing
- Item spacing
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of Houston
Glaucoma, Fractional Anisotropy
Analysis of Visual Pathways in Glaucoma Patients Using a 3tesla-MRI
Glaucoma is a neurodegenerative disease representing the second cause of blindness worldwide. IOP (Intra occular pressure) is the most common risk factor, but not the only one as it is observed for normal tension glaucoma.
- Trial name
- ENVOL (NCT01621841)
- Testing
- examination MRI 3T (Magnetic Resonance Imaging 3 Telsa), increasing spatial resolution and DTI (diffusion tensor Imaging) with fractional anisotropy
- Where
- France
- Volunteers
- 114 people, healthy volunteers welcome
- Sponsor
- University Hospital, Bordeaux
Glaucoma
To Study the Function of the Retina in Glaucoma Patients Using PERG
The purpose of this trial is to evaluate the performance of a new diagnostic device in the diagnosis and management of glaucoma. We will use this new device (PERG) to evaluate the function of the retina in glaucoma patients.
- Trial name
- NCT03330574
- Where
- Switzerland
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Swiss Vision Network
Multiple Sclerosis, Multiple Sclerosis, Relapsing-Remitting
MS-ResearchBiomarkerS
This study is being conducted to investigate risk factors for disability progression in Multiple Sclerosis and related disorders (MSRD).
- Conditions
- Multiple Sclerosis, Multiple Sclerosis, Relapsing-Remitting, Multiple Sclerosis, Primary Progressive, Multiple Sclerosis, Secondary Progressive
- Trial name
- MS-ReBS (NCT05204459)
- Where
- United States
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Cedars-Sinai Medical Center