Clinical trials: Retinal Disorders
Macular Degeneration
Influence of Blue Light Filtering Intraocular Lenses on Daytime Levels of Melatonin
The "blue light hazard" has been reported to cause retinal damage (oxidative stress), particularly to the central fovea due to its energetic, shorter wavelength visible photons, which is why blue-light filtering intraocular…
- Trial name
- BluMel (NCT00444249)
- Testing
- White Alcon IOL, Yellow Alcon IOL, White Hoya IOL
- Where
- Austria
- Volunteers
- 136 people
- Sponsor
- The Ludwig Boltzmann Institute of Retinology and Biomicroscopic Laser Surgery
Diabetes, Diabetic Retinopathy
Improve Timely Referral Flow and Compliance of Diabetic Retinopathy Patients
An effective referral system helps to ensure a close relationship between all levels of the health system and ensures clients receive optimum care at the appropriate level and at affordable cost, and hospital facilities are used…
- Trial name
- NCT04834648
- Testing
- Structured Counseling
- Where
- Nepal
- Volunteers
- 150 people
- Sponsor
- Seva Foundation
Retinal Vein Occlusion
Correlation Between the Visual Acuity & the OCT Pattern of Macular Edema Secondary to RVO
Correlation between changes observed in OCT and VA in patients with retinal vein occlusion whether the patient's VA improves when macular edema improves in OCT or not ??
- Trial name
- NCT03489915
- Testing
- OCT
- Volunteers
- 30 people
- Sponsor
- Assiut University
Age Related Macular Degeneration
Effect of Lutein-enriched-egg Beverage on Age-Related Macular Degeneration (AMD)
After a pilot trial where we showed an substantial increase in plasma lutein levels and a increase in macular pigment optical density after only 3 months of daily consumption of a lutein-enriched egg-beverage, we now propose to…
- Trial name
- NCT00902408
- Testing
- Lutein enriched eggs
- Where
- Netherlands
- Volunteers
- 100 people
- Sponsor
- Maastricht University Medical Center
Anemia of Prematurity
Premature Infants in Need of Transfusion (PINT)
Hypothesis: That a high hemoglobin threshold for transfusion in extremely low birth weight (ELBW) infants is associated with a lower rate of survival without severe morbidity (defined as one or more of retinopathy of prematurity…
- Trial name
- NCT00182390
- Testing
- Red blood cell transfusion
- Where
- 10 sites in United States, Australia and 1 more
- Volunteers
- 424 people
- Sponsor
- McMaster University
Macular Edema, Uveitis
PeriOcular and INTravitreal Corticosteroids for Uveitic Macular Edema Trial
To evaluate the relative efficacy of three commonly utilized regional corticosteroids for the regional treatment of uveitic macular edema: periocular triamcinolone acetonide; intravitreal triamcinolone acetonide; intravitreal…
- Trial name
- POINT (NCT02374060)
- Testing
- Periocular triamcinolone 40 mg, Intravitreal triamcinolone 4 mg, Dexamethasone intravitreal implant
- Where
- 26 sites in United States, Australia and 2 more
- Volunteers
- 192 people, healthy volunteers welcome
- Sponsor
- JHSPH Center for Clinical Trials
Diabetic Retinopathy (DR)
Diabetic Retinopathy Prevalence And Risk Factors
The goal of this retrospective observational study is to evaluate the prevalence and severity of diabetic retinopathy (DR) and to identify associated risk factors among patients with diabetes mellitus at Gia Dinh Family Hospital…
- Trial name
- DR-CENTRAL (NCT07468058)
- Testing
- fundus examination and optical coherence tomography (OCT)
- Where
- Vietnam
- Volunteers
- 300 people
- Sponsor
- Da Nang Family General Hospital
Macular Holes
Comparison of Two Intraocular Gas Injection Techniques in Macula Hole Surgery
To undertake a prospective randomized clinical trial of vitrectomy and gas tamponade to treat macular hole, utilizing a small amount of undiluted C3F8 (perfluoropropane) versus a large amount of diluted C3F8 versus a small amount…
- Trial name
- NCT04527848
- Testing
- small amount of undiluted C3F8
- Where
- Brazil
- Volunteers
- 48 people
- Sponsor
- Universidade Federal de Pernambuco
Pre-Term
Optos Versus Indirect Ophthalmoscopy for ROP Screening Examination (Optos vs BIO Study)
ROP is a preventable cause of blindness in premature infants. It is routinely screened for by using an indirect ophthalmoscope, a scleral depressor, and a condensing lens.
- Trial name
- NCT04292015
- Testing
- Optos ultra-widefield retinal imaging (Optos California)
- Where
- United Kingdom
- Volunteers
- 50 people
- Sponsor
- University Hospitals of Derby and Burton NHS Foundation Trust
Age-related Macular Degeneration
Reticular Pseudodrusen Progression Study
Age-related macular degeneration (AMD) is the leading cause of irreversible blindness in industrial countries. Reticular pseudodrusen (RPD) have been recognized as an additional phenotypic characteristic frequently observed in…
- Trial name
- NCT02345317
- Where
- Germany
- Volunteers
- 30 people
- Sponsor
- University Hospital Muenster
Retinal Disease, Glaucoma
Side-by-Side Comparison of P200TE and Spectral OCT/SLO on Diseased Eyes
This study is designed to evaluate and compare in-tissue performance of OCT scans on the new Optos P200TE, versus the predicate Optos Spectral OCT/SLO device.
- Trial name
- NCT02921568
- Testing
- P200TE, Spectral OCT/SLO
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Optos, PLC
Retinal Disease, Corneal Disease
Tissue Studies of Human Eye Diseases
The purpose of this project is to diagnose and evaluate ocular and related tissues with various diseases such as conjunctival, corneal, uveal, vitreoretinal and optic nerve disorders, ocular degenerative, metabolic or genetic…
- Conditions
- Retinal Disease, Corneal Disease, Diabetic Retinopathy, Uveitis
- Trial name
- NCT00001310
- Where
- United States
- Volunteers
- 3,833 people
- Sponsor
- National Eye Institute (NEI)
Post-surgical Cystoid Macular Edema (PSCME)
Treatment of Post-surgical Cystoid Macular Edema With Topical Steroids Trial (TEMPEST-1)
The purpose of this study is to compare the change in visual acuity of patients with post surgical cystoid macular edema who will be treated with two different regimens.
- Trial name
- TEMPEST (NCT01769352)
- Testing
- PredA + Kelac
- Where
- United States
- Volunteers
- 42 people
- Sponsor
- Johns Hopkins University
Cardiovascular Disease, Childhood Obesity
Exercise and Arterial Modulation in Youth
The project is designed as a large scale, cross-sectional study. The aim of the study is to investigate the association of micro- and macrovascular function with physical fitness and body composition in primary school children.
- Conditions
- Cardiovascular Disease, Childhood Obesity, Hypertension, Endothelial Dysfunction
- Trial name
- ExAMIN YOUTH (NCT02853747)
- Testing
- Physical Activity, 20-meter shuttle run
- Where
- Switzerland
- Volunteers
- 337 people, healthy volunteers welcome
- Sponsor
- University of Basel
Spinal Cord Injury Cervical, Tetraplegia
Epidural Stimulation for Upper Extremity Function
Restoring upper extremity function in patients with cervical spinal cord injury is extremely important for patients' independence and quality of life.
- Trial name
- NCT06437548
- Testing
- Percutaneous spinal cord stimulation
- Volunteers
- 20 people
- Sponsor
- Brigham and Women's Hospital
Cytomegalovirus Retinitis, HIV Infections
A Phase I Pharmacokinetic and Tolerance Study of 28-Day Regimens of Oral Ganciclovir
To determine the pharmacokinetics (blood levels) of three dose treatment plans of oral ganciclovir during a 28-day dosing period.
- Trial name
- NCT00000668
- Testing
- Ganciclovir
- Where
- 5 sites in United States
- Volunteers
- 48 people
- Sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
Submacular Hemorrhage, Wet Macular Degeneration
Anti-VEGF Therapy for Subfoveal Hemorrhage in Patients With Neovascular Age-Related Macular Degeneration
This study will define the limits of subretinal hemorrhage parameters that are consistent with a good visual outcome with aggressive anti-VEGF treatment in patients with neovascular age-related macular degeneration (NVAMD).
- Conditions
- Submacular Hemorrhage, Wet Macular Degeneration, Neovascular Age-related Macular Degeneration
- Trial name
- NCT03699618
- Testing
- Anti-VEGF, Hemorrhage displacement + Anti-VEGF
- Where
- United States
- Volunteers
- 1 people
- Sponsor
- Johns Hopkins University
Von Hippel-Lindau Disease, CNS Hemangioblastoma
Treatment of Von Hippel-Lindau (VHL)-Related Hemangioblastoma With PTK787/ZK 222584
The purpose of this study is to determine whether PTK787/ZK 222584 is effective in treating hemangioblastoma of the brain and/or retina in patients with von Hippel-Lindau disease.
- Conditions
- Von Hippel-Lindau Disease, CNS Hemangioblastoma, Retinal Hemangioblastoma
- Trial name
- NCT00052013
- Testing
- PTK787/ZK 222584
- Where
- 2 sites in United States
- Volunteers
- 11 people
- Sponsor
- Novartis Pharmaceuticals
Age Related Macular Degeneration
Second Line Therapy to Treat Age-related Macular Degeneration (AMD) for Patients Not Responding Well to Lucentis Therapy by Itself
The purpose of this study is to demonstrate that Visudyne-Lucentis-dexamethasone (V-L-D) triple therapy will give similar efficacy and safety results as Lucentis monotherapy.
- Trial name
- NCT00457678
- Testing
- Visudyne, Lucentis, Dexamethasone
- Sponsor
- Vitreous -Retina- Macula Consultants of New York
Macular Degeneration, Choroidal Neovascularization
A Safety and Efficacy Study Comparing the Combination Treatments of Verteporfin Therapy Plus One of Two Different Doses of Intravitreal Triamcinolone Acetonide and the Verteporfin Therapy Plus Intravitreal Pegaptanib
To evaluate the safety and efficacy of the combination treatments in wet age-related macular degeneration. The combination treatment consists of verteporfin photodynamic therapy and either triamcinolone acetonide or pegaptanib…
- Trial name
- VERITAS (NCT00242580)
- Testing
- Verteporfin photodynamic therapy, Pegaptanib, Triamcinolone acetonide
- Where
- United States
- Volunteers
- 111 people
- Sponsor
- Novartis Pharmaceuticals
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