Clinical trials: Choroid Diseases
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
Choroid Disease, Diabetes Mellitus
Measuring Choroidal Thickness Using Optical Coherence Tomography
To compare the choroidal thickness in eyes of diabetic patients with eyes of age matched controls using optical coherence tomography.
- Trial name
- NCT06272851
- Testing
- optical coherence tomography
- Volunteers
- 122 people, healthy volunteers welcome
- Sponsor
- Assiut University
Genetic Polymorphism, Macular Degeneration
Does Complement Factor H Gene Polymorphism Play a Role in the Regulation of Vascular Tone in the Choroid?
Age related macular degeneration (AMD) is a multifactorial disease with a strong genetic component. Most importantly a genetic polymorphism in the gene encoding for the complement factor H (CFH) has been recently identified which…
- Conditions
- Genetic Polymorphism, Macular Degeneration, Regional Blood Flow, Ocular Physiology
- Trial name
- NCT00708929
- Testing
- Squatting
- Where
- Austria
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Ophthalmological Disorder, Image, Body
Explainable Ocular Fundus Diseases Report Generation System
To establish a deep learning system of various ocular fundus disease analytics based on the results of multimodal examination images.
- Trial name
- NCT05622565
- Testing
- Various modalities of ocular fundus imaging
- Where
- China
- Volunteers
- 15,000 people, healthy volunteers welcome
- Sponsor
- Sun Yat-sen University
Anterior Uveitis (AU), Birdshot Chorioretinitis
Quantification & Classification of Inflammatory Cells in Uveitis Using OCT
The goal of this study is to determine if it's possible to use a high resolution imaging device called optical coherence tomography (OCT) to develop an unbiased, standard method of counting and categorizing the various types of…
- Conditions
- Anterior Uveitis (AU), Birdshot Chorioretinitis, Behcet Disease, Herpes Simplex Virus
- Trial name
- NCT07065747
- Where
- United States
- Volunteers
- 125 people, healthy volunteers welcome
- Sponsor
- Oregon Health and Science University
Obesity, Obesity, Morbid
Effects of Differences in Body Composition on Retina and Choroid
The goal of this observational study is to examine the effects of body composition differences on retinal and choroidal structures.
- Conditions
- Obesity, Obesity, Morbid, Body Composition
- Trial name
- NCT06888765
- Testing
- Optical Coherence Tomography (OCT) and Body Composition Analysis
- Where
- Turkey (Türkiye)
- Volunteers
- 261 people, healthy volunteers welcome
- Sponsor
- Bayram Meydan
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
Age - Related Macular Degeneration (AMD), Diabetic Macular Edema
Wide Field OCTA in Ocular Diseases
The main retinal diseases, whether or not associated with specific mutations genetic, cause progressive degeneration of vascular retinal structures and not vascular, resulting in decreased visual function.
- Conditions
- Age - Related Macular Degeneration (AMD), Diabetic Macular Edema, Diabetic Retinopathy, Myopia
- Trial name
- WOOD-2025 (NCT07298174)
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- IRCCS San Raffaele
Twin Pregnancy, Antepartum Condition or Complication, Retinal Vascular
Comparison of Posterior Ocular Changes Between Singleton Pregnancy and Multifetal Pregnancy.
It has been known that a pregnant women undergoes significant anatomical and physiological changes that mainly caused by hormonal and hematologic changes during pregnancy.
- Conditions
- Twin Pregnancy, Antepartum Condition or Complication, Retinal Vascular, Choroidal Effusion
- Trial name
- NCT04773561
- Testing
- Corneal tomography, optical coherence tomography and optical coherence tomography angiography
- Where
- Thailand
- Volunteers
- 166 people, healthy volunteers welcome
- Sponsor
- Khon Kaen University
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
Induced Defocus to the Retina
Defocus Induced Changes on Choroidal Thickness
The goals of this study are to assess the short-term (10-60 minutes) effects of different magnitudes of myopic and hyperopic optical defocus on the transient thickness of the choroid in children and adults, as well as to assess…
- Trial name
- NCT03954886
- Testing
- Plus powered optical lens
- Where
- United States
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- University of Houston
Healthy Subjects
Effect of Oat Compounds on Postprandial Glucose Response
In this project we will investigate synergistic effects of oat polar lipids and beta glucans on postprandial glucose tolerance
- Trial name
- NCT05177172
- Testing
- High beta glucans, Low beta glucans, Low beta glucans + low polar lipids
- Where
- Sweden
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Lund University
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
Retinal Evaluation in Patients With GDM.
EVALUATION OF THE MACULAR, PERIPAPILLARY NERVE FIBER LAYER AND CHOROID THICKNESS CHANGES IN THE GESTATIONAL DIABETES MELLITUS, HEALTHY PREGNANT AND WOMEN VOLUNTEERS.
Gestational diabetes mellitus (GDM) is a risk factor for the development of type II diabetes and it is responsible for the morbidity of both mother and child.
- Trial name
- NCT02035995
- Testing
- Pregnant volunteers with GDM
- Where
- Turkey (Türkiye)
- Volunteers
- 76 people, healthy volunteers welcome
- Sponsor
- Kayseri Education and Research Hospital
Choroidal Neovascularization
Safety Study of Ranibizumab Eye Injections to Treat Choroidal Neovascularization That Was Caused Other Than by Age-Related Macular Degeneration.
The purpose of this study is to determine whether ranibizumab is effective in the treatment of choroidal neovascularization secondary to causes other then wet macular-degeneration.
- Trial name
- NCT00395551
- Testing
- ranibizumab
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Ophthalmic Consultants of Boston
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
Plexus Choroideus, Metabolic Syndrome
Choroid Plexus Dysfunction in Neurological Diseases
Cerebral folate deficiency (CFD), a partially treatable condition defined by a low folate cerebrospinal fluid (CSF) concentration, can be linked to genetic defects of folate metabolism or be secondary to various diseases without…
- Trial name
- PLEXFOLD (NCT06403189)
- Testing
- Biologic samples and MRI
- Where
- 2 sites in France
- Volunteers
- 65 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Retinal Diseases, Choroidal Diseases
Morpho-functional Evaluation of the Retina and Choroid Using Multimodal Imaging in Healthy Subjects and Patients With Retino-choroidal Diseases
The purpose of this prospective, longitudinal, single-center observational study is to identify, describe, and measure the morpho-functional characteristics and modifications of the retina and choroid using advanced multimodal…
- Conditions
- Retinal Diseases, Choroidal Diseases, Healthy Subjects
- Trial name
- RET 05-26 (NCT07615699)
- Volunteers
- 125 people, healthy volunteers welcome
- Sponsor
- Fondazione G.B. Bietti, IRCCS
Major Depressive Disorders
The Effects of Transcranial Magnetic Stimulation on Retina and Choroidal Structures
Transcranial Magnetic Stimulation (TMS) therapy is an approved and effective treatment option in treatment-resistant depression.
- Trial name
- TMSEYE (NCT06615804)
- Testing
- Transcranial Magnetic Stimulation
- Where
- Turkey (Türkiye)
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- Gulhane Training and Research Hospital
Child, Motor Activity
CHAMPS Eye Study - Myopia and Retinal Vascular Geometry in Relation to Physical Activity
An increasingly physical inactive lifestyle in the Western World has led to a higher number of lifestyle -related diseases. The consequences are now already present in childhood with an increased prevalence of overweight…
- Conditions
- Child, Motor Activity, Myopia
- Trial name
- NCT02346006
- Testing
- More physical activity.
- Volunteers
- 307 people, healthy volunteers welcome
- Sponsor
- Odense University Hospital