Clinical trials: Retina
Diabetic Retinopathy (DR), Retinal Microvascular Changes
Relation Between Glycemic Control and Retinal Microvascular Changes in Diabetic Patients Using OCTA
An observational cross-sectional comparative study which will be conducted in the Department of Ophthalmology, Sohag University Hospital, Egypt to detect the relation between glycemic control and retinal microvascular changes in…
- Trial name
- Retinopathy (NCT07726381)
- Volunteers
- 50 people
- Sponsor
- Sohag University
Macular Degeneration
Safety and Efficacy of Brimonidine Intravitreal Implant in Patients With Geographic Atrophy Due to Age-related Macular Degeneration (AMD)
Stage 1 is a patient-masked, dose-escalation, safety evaluation of brimonidine intravitreal implant. Patients will receive implant in one eye and "sham" treatment (meaning no treatment) in the fellow eye.
- Trial name
- NCT00658619
- Testing
- 400 µg Brimonidine Tartrate Implant, 200 µg Brimonidine Tartrate Implant
- Where
- 7 sites in United States, Australia and 5 more
- Volunteers
- 119 people
- Sponsor
- Allergan
Diabetic Retinopathy
PASCAL Laser Platform Produces Less Pain Responses Compared To Conventional Laser System
The aim of this study is to compare the severity of expressed pain scores in patients with PDR who underwent either PASCAL or conventional laser and to assess the association between patient characteristics and severity of pain.
- Trial name
- NCT02645383
- Testing
- PASCAL laser, Conventional laser
- Volunteers
- 30 people
- Sponsor
- Kocatepe University
Macula; Degeneration, Congenital or Hereditary, Retina Disorder
Objective Assessment of Macular Function at Retinal and Cortical Levels
Research questions/hypotheses: About 15% of the population over 40 years of age are affected by diseases of the retina. Accurate measurement of the extent of visual field impairment is of highest importance for disease subtype…
- Trial name
- NCT03517241
- Testing
- functional magnetic resonance imaging (fMRI), Microperimetry (MP), Optical coherence tomography (OCT)
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Macular Hole
Effects of Different Area of Internal Limiting Membrane Peeling (ILM) Peeling on Anatomical Outcomes in Macular Hole Surgery
The purpose of this study is to determine the effects of two different internal limiting membrane (ILM) peeling area on anatomical closure outcomes after macular hole surgery measured by optical coherence tomography (OCT).
- Trial name
- NCT02930369
- Testing
- ILM peeling surgery
- Volunteers
- 128 people
- Sponsor
- Peking University People's Hospital
Pars Plana Vitrectomy, Scleral Buckling
Necessity of Post-operative Eye Drops
The goal of this clinical study is to determine if antibiotic eye drops are needed after retinal surgery to prevent infection. Currently, patients are prescribed antibiotic eye drops to use for several weeks after they undergo…
- Conditions
- Pars Plana Vitrectomy, Scleral Buckling, Surgical Outcomes, Infection Prophylaxis
- Trial name
- NCT07396831
- Where
- United States
- Volunteers
- 48 people
- Sponsor
- Loma Linda University
Fundus Photography
NW500 Non-Mydriatic Retinal Camera Clinical Performance Study
Comparison of color fundus images acquired by the Topcon NW500 non-mydriatic retinal camera (investigational device) and the Topcon TRC-NW400 (predicate device)
- Trial name
- NCT05286502
- Testing
- fundus photography
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Topcon Corporation
Chronic Mechanical Neck Pain
Acute Effects of Cervical Manual Therapy on Eye Blood Flow
This study evaluates the acute effects of cervical manual therapy on retinal and choroidal microvascular perfusion using optical coherence tomography angiography (OCTA).
- Trial name
- CERVICAL-OCTA (NCT07688707)
- Testing
- Cervical Manual Therapy
- Where
- Turkey (Türkiye)
- Volunteers
- 96 people
- Sponsor
- Yuzuncu Yil University
Diabetic Macular Edema
Prospective, Randomized Clinical Trial Comparing Macular Photocoagulation With or Without Intravitreal Bevacizumab or Triamcinolone for the Treatment of Diabetic Macular Edema
Purpose: To compare the effects of macular photocoagulation with or without intravitreal bevacizumab (IVB) or triamcinolone (IVTA) for the treatment of diabetic macular edema (DME).
- Trial name
- IBeTA (NCT02310295)
- Testing
- Laser, Bevacizumab, Triamcinolone Acetonide
- Volunteers
- 45 people
- Sponsor
- University of Sao Paulo
Healthy
Polarization Sensitive Optical Coherence Tomography (PS-OCT) for Retinal Imaging
The aim of this pilot study is to assess the ability of a new polarization sensitive optical coherence tomography system to obtain high-quality images of retinal birefringence.
- Trial name
- NCT02441777
- Testing
- Polarization-Sensitive OFDI
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Epiretinal Membrane
" Sweeper " and Epiretinal Membrane Surgery
Epiretinal membrane (ERM) is a pathological phenomenon requiring surgery when vision is altered. ERM surgery requires ERM peeling, then active internal limiting membrane (ILM) peeling if it is not spontaneously peeled with ERM.
- Trial name
- SWEEPING (NCT03350607)
- Testing
- Non interventional study
- Where
- France
- Volunteers
- 9 people
- Sponsor
- Nantes University Hospital
AIDS
The Effects of Genetic Differences Among AIDS Patients on Cytomegalovirus Retinitis
This study will evaluate the role of certain gene variants on the onset and course of cytomegalovirus (CMV) retinitis-a severe infection affecting the eye-in patients with AIDS.
- Trial name
- NCT00341172
- Where
- United States
- Volunteers
- 2,232 people
- Sponsor
- National Cancer Institute (NCI)
Rhegmatogenous Retinal Detachment, High-risk for Proliferative Vitreoretinopathy (PVR)
Prophylactic Intravitreal 5-Fluorouracil and Heparin to Prevent PVR in High-risk Patients With Retinal Detachment.
This study investigates the effectiveness of a simple treatment to prevent proliferative vitreoretinopathy (PVR). Intraoperative intravitreal 5-fluorouracil (5-FU) and low molecular weight heparin (LMWH) is used as a prophylactic…
- Trial name
- PRIVENT (NCT02834559)
- Testing
- 5-fluorouracil and low molecular weight heparin
- Where
- 13 sites in Germany
- Volunteers
- 326 people
- Sponsor
- Universitätsklinikum Köln
Macular Degeneration
Lucentis in Advanced Macular Degeneration
Patients with low vision (visual acuity 20/400 or worse) were excluded from the large Phase III ranibizumab clinical trials. It is not known if treatment with ranibizumab results in improved visual function in such patients.Since…
- Trial name
- NCT00896779
- Testing
- ranibizumab
- Where
- 2 sites in United States
- Volunteers
- 20 people
- Sponsor
- Steven R. Sanislo
Age-Related Macular Degeneration, Choroidal Neovascularization
Intravitreal Adalimumab in Patients With Choroidal Neovascularization Secondary to Age-related Macular Degeneration
Adalimumab is a humanized recombinant monoclonal antibody fragment targeted against tumor necrosis factor. This study will assess the safety and efficacy of intravitreal adalimumab administered in patients with choroidal…
- Trial name
- NCT01136252
- Testing
- Adalimumab
- Where
- Spain
- Volunteers
- 5 people
- Sponsor
- Hospital Universitari Vall d'Hebron Research Institute
Diabetic Retinopathy
Using Calcium Dobesilate to Treat Chinese Patients With Mild to Moderate Non-proliferative Diabetic Retinopathy
Calcium dobesilate has been recommended to treat diabetic retinopathy due to its potential in protecting against retinal vascular damage.
- Trial name
- CALM-DR (NCT04283162)
- Testing
- Calcium Dobesilate, conventional treatment
- Where
- China
- Volunteers
- 1,200 people
- Sponsor
- Zhongda Hospital
Epiretinal Membrane Surgery
Post-surgical Functional Results in Patients With Epiretinal Membrane Undergoing Controlled Macular Detachment
This study aims to evaluate postsurgical functional changes in patients with advanced epiretinal membrane (ERM) (stages 3 and 4) by integrating a controlled macular detachment with a balanced salt solution to the conventional ERM…
- Trial name
- DMER25 (NCT07095907)
- Testing
- Pars plana vitrectomy with epiretinal membrane peeling and controlled macular detachment
- Where
- Mexico
- Volunteers
- 36 people
- Sponsor
- Asociación para Evitar la Ceguera en México
Age Related Macular Degeneration, Choroidal Neovascularization
Comparison Between Home Macular Perimeter and Optical Coherence Tomography (OCT) Visual Field Defects in Patients With Choroidal Neovascularization (CNV)
The FORESEE HOME is intended for the early detection of central and paracentral irregularities (abnormalities) in the visual field, most commonly associated with Age Related Macular Degeneration (AMD).
- Trial name
- NCT01336907
- Where
- France
- Sponsor
- Notal Vision Ltd.
Neovascular Age-related Macular Degeneration
OPT-302 With Aflibercept in Neovascular Age-related Macular Degeneration (nAMD)
A 2-year phase 3, multicentre, randomised, parallel-group, sham-controlled, double-masked study. Primary efficacy will be determined at Week 52.
- Trial name
- COAST (NCT04757636)
- Testing
- 2.0 mg OPT-302, 2.0 aflibercept
- Where
- 209 sites in United States, Argentina and 28 more
- Volunteers
- 998 people
- Sponsor
- Opthea Limited
Age-related Macular Degeneration
Comparison of Safety, Effectiveness and Quality of Life Outcomes Between Labeled Versus "Treat and Extend" Regimen in Turkish Patients With Choroidal Neovascularisation Due to Age-related Macular Degeneration (AMD)
The purpose of the study was to compare 2 treatment regimens for patients suffering from choroidal neovascularisation secondary to age-related macular degeneration (AMD).
- Trial name
- SALUTE (NCT01148511)
- Testing
- Ranibizumab 0.5 mg
- Where
- 8 sites in Turkey (Türkiye)
- Volunteers
- 99 people
- Sponsor
- Novartis Pharmaceuticals