Clinical trials: Choroid
Choroidal Neovascularization
Evaluation of the Effect of Vitreous Composition Determined by Ultrasound and Optical Coherence Tomography (OCT) on Ranibizumab Therapy
The primary objective: *To measure the difference in the number of Ranibizumab therapies needed in 12 months in the Posterior Vitreous Detachment (PVD) positive and Posterior Vitreous Detachment (PVD) negative group.
- Trial name
- PVD (NCT01256632)
- Testing
- Ranibizumab
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Vision Research Foundation
Anaplastic Ependymoma, Atypical Teratoid/Rhabdoid Tumor
Chemotherapy and Donor Stem Transplant for the Treatment of Patients With High Grade Brain Cancer
This phase I trial investigates the side effects and effectiveness of chemotherapy followed by a donor (allogeneic) stem cell transplant when given to patients with high grade brain cancer.
- Conditions
- Anaplastic Ependymoma, Atypical Teratoid/Rhabdoid Tumor, Central Nervous System Germ Cell Tumor, Choroid Plexus Carcinoma
- Trial name
- NCT04521946
- Testing
- Etoposide, Fludarabine Phosphate, Hematopoietic Cell Transplantation
- Volunteers
- healthy volunteers welcome
- Sponsor
- M.D. Anderson Cancer Center
Choroid, Retina
Effect of Different Intensities of Repeated Low-Level Red-Light Therapy on Choroidal and Retinal Blood Flow Among Adults
The purpose of this clinical trial is to evaluate the effect of different intensities of repeated low-level red-light (RLRL) therapy on the choroidal and retinal blood flow among adults.
- Trial name
- NCT05747742
- Testing
- RLRL device
- Where
- China
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- The Second People's Hospital of Foshan
Choroidal Neovascularization
Intraocular Pressure Immediately Following Intravitreous Injection of Ranibizumab
This study will quantify the intraocular pressure elevation in the immediate time period following intravitreous injection. With more widespread use of intravitreous injections in patients that may require several injections per…
- Trial name
- NCT00417703
- Where
- United States
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Oklahoma State University Center for Health Sciences
Macular Degeneration, Choroidal Neovascularization
Evaluation of Dosing Interval of Higher Doses of Ranibizumab
Evaluation of Dosing Interval of Higher Doses of Ranibizumab for patients with wet age-related macular degeneration (AMD).
- Trial name
- BGB/IST (NCT00533520)
- Testing
- ranibizumab
- Where
- United States
- Volunteers
- 37 people, healthy volunteers welcome
- Sponsor
- Brandon G. Busbee, MD
Uveitis, Diabetic Retinopathy
Biomarkers of Common Eye Diseases
To identify biomarkers of common eye diseases based on single-cell sequencing technologies using PBMC samples. These diseases include uveitis, diabetic retinopathy, age-related macular degeneration and polypoid choroidal…
- Conditions
- Uveitis, Diabetic Retinopathy, Age-related Macular Degeneration, Polypoidal Choroidal Vasculopathy
- Trial name
- NCT04101604
- Testing
- Collection of blood samples
- Where
- China
- Volunteers
- 220 people, healthy volunteers welcome
- Sponsor
- Sun Yat-sen University
High Myopia, Choroid
Effect of Caffeine on Ocular Circulation in High Myopes
To investigate the effect of caffeine on ocular circulation by using Optical Coherence Tomography and Optical Coherence Tomography Angiography.
- Trial name
- NCT03294967
- Testing
- Caffeine, Vitamin E
- Where
- Hong Kong
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Healthy
Oat Phenolics Bioavailability
A diet rich in whole grain is inversely associated with cardiovascular disease risk and this benefit could be partly attributed to the phenolic acid content of whole grains.
- Trial name
- NCT02574039
- Testing
- Oat bran, refined grain
- Where
- United Kingdom
- Volunteers
- 7 people, healthy volunteers welcome
- Sponsor
- University of Reading
Choroidal Neovascularization, Age Related Macular Degeneration
SD-OCT-guided Intravitreal Ranibizumab Treatment in Choroidal Neovascularization Due to Myopia
This investigator initiated pilot study is designed to investigate the efficacy and safety of SD-OCT-guided intravitreal ranibizumab treatment in choroidal neovascularization (CNV) due to myopia.
- Trial name
- NCT03409250
- Testing
- Ranibizumab, Lucentis
- Where
- Switzerland
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Vista Klinik
Macular Degeneration Choroidal Neovascularization
Deep Learning Optical Coherence Tomography (OCT) and OCT Angiography (OCTA) in NVC
To evaluate the activity of neovascular macula degeneretion as assessed by SD-OCTand OCT-A using a split-person study design and deep-learning quantification.
- Trial name
- OCTA (NCT05969418)
- Testing
- Diagnostic test: using artificial intelligence to evaluate the changes OCT and OCTA parameter
- Where
- Italy
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Federico II University
Age-Related Macular Degeneration, Choroidal Neovascularization
Value of Genetic Counseling and Testing for Patients Who Would Like to Know More About Their Personal Risk of AMD
The goals of this study are: To assess the impact of genetic testing based on how it alters behaviors, to assess the utility of serum biomarker measurement in combination with genetic testing, to assess the utility of genetic…
- Conditions
- Age-Related Macular Degeneration, Choroidal Neovascularization, Genetic Counseling
- Trial name
- NCT03024424
- Testing
- Early disclosure, Late disclosure
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- University of Utah
Emmetropia, Myopia
Effects of Light on the Choroid and Pupil
Monochromatic light creates longitudinal chromatic aberration, with short wavelength blue light forming a focal point in front of the retina and long wavelength red light forming a focal point behind the retina.
- Trial name
- NCT05852782
- Testing
- White Light therapy, Blue light therapy, Red light therapy
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Houston
Abnormal Vitreous Humor Morphology, Abnormal Choroid Morphology
Accuracy of the Red Reflex Test in the Pediatric Population
This study is designed to investigate the sensitivity and specificity of the Red Reflex Test (RRT), with and without dilation, for early detection of ocular abnormalities in children and newborns.
- Conditions
- Abnormal Vitreous Humor Morphology, Abnormal Choroid Morphology, Optic Nerve Diseases, Retinal Disease
- Trial name
- NCT04125043
- Testing
- Direct ophthalmoscope
- Where
- United States
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- Children's National Research Institute
Major Depressive Disorder (MDD)
The Effect of Transcranial Magnetic Stimulation Treatment on Microvasculature Stracture of the Retina and the Choroid
Transcranial Magnetic Stimulation (TMS) therapy is an approved and effective treatment option in treatment-resistant depression.
- Trial name
- TMS_OCT-A (NCT06708013)
- Testing
- Transcranial Magnetic Stimulation
- Where
- Turkey (Türkiye)
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Gulhane Training and Research Hospital
Healthy
Chronic Cardiovascular and Gut-bacteria Effects of Phenolic Rich Oats in Adults With Above Average Blood Pressure
In this proposed human trial, the investigators aim to establish whether 4 weeks of daily consumption of beta-glucan matched meals providing either a high dose or a moderate dose of oat avenanthramides and phenolic acids leads to…
- Trial name
- NCT02847312
- Testing
- High avenanthramide, phenolic acid, Low avenanthramide, medium phenolic acid, Control
- Where
- United Kingdom
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Reading
Choroideremia
The Short-term Effects of Simvastatin on the Vision of Males Affected by Choroideremia
Primary objective: To examine the short-term effects of of simvastatin on the vision on males with choroideremia, evaluated by full-field scotopic threshold testing.
- Trial name
- NCT01654562
- Testing
- Simvastatin
- Where
- Canada
- Volunteers
- 2 people, healthy volunteers welcome
- Sponsor
- University of Alberta
Choroid Disease, Hypertension Ocular
Study of Changes in Retrofoveolar Choroidal Thickness During Aerobic Exercise
Study the change of retrofoveolar choroidal thickness measured by optical coherence tomography during aerobic exercise inducing an increase in systolic blood pressure in healthy subjects.Ten healthy participants will perform an…
- Trial name
- MOPAS (NCT03532867)
- Testing
- Examination of pressures before stopping the exercise, Examination of pressure during the exercise, Examination of pressures after stopping the exercise
- Where
- France
- Volunteers
- 13 people, healthy volunteers welcome
- Sponsor
- University Hospital, Toulouse
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
Choroid
Study of the Choroidal Thickness Variations After Ingestion of RedBull® Energy Drink
The choroid is a richly vascularized conjunctive tissue, providing the nutritive elements to the pigmentary epithelium and the photoreceptors of the retina. It drains 80% of the eye's blood.
- Trial name
- REDCHO (NCT02856256)
- Testing
- RedBull® energy drink
- Where
- France
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Fondation Ophtalmologique Adolphe de Rothschild
Safety, Tolerability and Pharmacokinetic Profile in Healthy Volunteers, Choroidal Neovascularization
Safety, Tolerability and Pharmacokinetic Profile of SYL1801 Eye Drops
Study of the safety, tolerability and pharmacokinetic profile of different doses of SYL1801 eye drops in healthy volunteers.
- Trial name
- NCT04782271
- Testing
- SYL18001 sodium Low dose q.d, SYL18001 sodium Middle dose q.d, SYL18001 sodium High dose q.d
- Where
- Spain
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Sylentis, S.A.