Clinical trials: Choroid
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
Polypoidal Choroidal Vasculopathy
Safety Study of 2.0mg Lucentis to Treat Polypoidal Choroidal Vasculopathy
This Phase I/II study will investigate the safety and tolerability of intravitreally administered 0.5mg and 1.0 or 2.0mg Ranibizumab in three monthly doses followed by a 9 month period of criteria-based, as-needed retreatment and…
- Trial name
- NCT01469156
- Testing
- ranibizumab 0.5 or 2.0 mg/0.05 cc
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Southeast Retina Center, Georgia
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
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
Geographic Atrophy, Wet Macular Degeneration
A Population-based Study of Macular Choroidal Neovascularization in a Chinese Population
To investigate pathomorphological and functional variations of choroidal neovascularization (CNV) in age-related macular degeneration (AMD) in a Chinese population using optical coherence tomography (OCT) to find which kinds of…
- Conditions
- Geographic Atrophy, Wet Macular Degeneration, Retinal Drusen
- Trial name
- NCT01666821
- Testing
- Follow-up observation
- Where
- China
- Volunteers
- 59 people, healthy volunteers welcome
- Sponsor
- Shanghai University of Traditional Chinese Medicine
Age Related Macular Degeneration
High-Resolution Ultrasound Imaging of the Retina and Choroid for Detection on Age Related Macular Degeneration
The macula is the site of central vision within the retina. The retina is oxygenated by the underlying choroid. These tissues are less than 1 mm thick in total.
- Trial name
- NCT00277784
- Testing
- Ultrasound examination
- Where
- United States
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Weill Medical College of Cornell University
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
Age-Related Macular Degeneration
Genetic Study of Age-Related Macular Degeneration
This study will examine skin and blood cells for genetic changes related to the development of age-related macular degeneration, an eye disease that can significantly impair the ability to read, drive, and carry out daily…
- Trial name
- NCT00357578
- Where
- United States
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- National Eye Institute (NEI)
Elevated LDL Cholesterol
Oat and Cholesterol
The primary objective is to assess the effect of an oat ingredient provided over 4 weeks on serum LDL cholesterol in men and women with elevated LDL-cholesterol compared to a placebo.
- Trial name
- NCT03911427
- Testing
- Active oat beverage, Control rice beverage
- Where
- Canada
- Volunteers
- 207 people, healthy volunteers welcome
- Sponsor
- PepsiCo Global R&D
Diabetic Retinopathy, Neurodegeneration
Retinal Neurodegenerative and Vascular Changes in Diabetic Patients
Using Optical Coherence Tomography and ImageJ software the investigators will analyze retinal and choroidal vascular changes and their impact on retinal layers among patients with diabetes without retinopathy and patients with…
- Trial name
- NCT04637217
- Testing
- Optical Coherence Tomography
- Where
- Romania
- Volunteers
- 97 people, healthy volunteers welcome
- Sponsor
- Iuliu Hatieganu University of Medicine and Pharmacy
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
Uveitis, Conjunctivitis
Ocular Manifestations in Rheumatic Diseases
This is a search strategy for determining the prevalence of ocular complications in inflammatory rheumatic diseases for the purposes of a meta analysis.
- Conditions
- Uveitis, Conjunctivitis, Keratoconjunctivitis Sicca, Xerophthalmia
- Trial name
- NCT03753893
- Testing
- No intervention used
- Volunteers
- 5,000 people, healthy volunteers welcome
- Sponsor
- London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's
Myopia, Progressive, Choroid Disease
Choroidal Change on OCTA in Eyes With High Myopia
Myopia is a global healthy concern, especially the high myopia and pathological myopia among Asian populations. However, its mechanism still remains largely unclear.
- Trial name
- NCT04255524
- Testing
- Optic coherence tomography angiography (OCTA)
- Where
- China
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- The First Affiliated Hospital with Nanjing Medical University
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
Three-dimensional Choroidal Vascularity Index in Common Fundus Diseases
Explore the changes of choroidal blood perfusion in common fundus diseases by three-dimensional choroidal vascularity index, an optical coherence tomography (OCT) parameter.
- Trial name
- NCT04790084
- Testing
- no intervention
- Where
- China
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Renmin Hospital of Wuhan University
Choroideremia
The Dark-Adapted Retinal Function Response in Choroideremia (DARC) Study
Choroideremia (CHM) is an inherited retinal disorder that causes progressive vision loss, ultimately leading to complete blindness.
- Trial name
- DARC (NCT05045703)
- Testing
- Vitamin A palmitate
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Duke University
Synthetic Cannabinoid Abuse (Disorder), Eye Manifestations
Ocular Effects of Synthetic Cannabinoids
The goal of this observational study is to evaluate the ocular effects of Bonzai (synthetic cannabinoids) with spectral-domain optical coherence tomography.
- Trial name
- Bonsai (NCT06235346)
- Where
- Turkey (Türkiye)
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Bezmialem Vakif University
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
Retinal Diseases, Choroidal Disease
An Interpretable Fundus Diseases Report Generating System Based On Weakly Labelings
To establish a multimodal fundus image report generation model to realize an interpretable system for multiple fundus diseases, multimodal image analysis, diagnosis, and treatment decision automatic reporting based on weakly…
- Conditions
- Retinal Diseases, Choroidal Disease, Pathological Myopia, Diabetic Retinopathy
- Trial name
- NCT06918028
- Testing
- With fundus diseases, Without fundus diseases
- Where
- China
- Volunteers
- 9,999 people, healthy volunteers welcome
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Alcohol Dependence
Cerebral Hemodynamics With rTMS in Alcohol Dependence
The present study measures the cerebral hemodynamic indices of alcohol dependent patients and observe the relative changes in these parameters with rTMS application.
- Trial name
- NCT02446067
- Testing
- Repetitive Transcranial Magnetic Stimulation (rTMS)
- Where
- India
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Central Institute of Psychiatry, Ranchi, India