Clinical trials: Change; Retina
Central Serous Chorioretinopathy
The Changes of Retinal Capillaries After Half-dose PDT Measured by OCTA in Eyes With CSC
To determine changes in retinal and choroidal capillaries with optical coherence tomographic angiography (OCTA) after half-dose photodynamic therapy (hd-PDT) in eyes with central serous chorioretinopathy (CSC).
- Trial name
- NCT03692169
- Testing
- Half-dose photodynamic therapy
- Where
- 2 sites in China
- Volunteers
- 60 people
- Sponsor
- Jin Chen-jin
Macular Edema, Cystoid
Intraretinal Cystoid Changes After Vitrectomy With Membrane Peeling
Aim of the study is to assess the rate of postoperative intraretinal cystoid changes after pars plana vitrectomy with membrane peeling and peribulbar application of triamcinolone acetonide and to examine possible risk factors for…
- Trial name
- NCT04472039
- Testing
- optical coherence tomography (OCT)
- Where
- Austria
- Volunteers
- 40 people
- Sponsor
- Vienna Institute for Research in Ocular Surgery
Thyroid Associated Orbitopathy
Changes in Orbital Macrovascular and Intraocular Microvascular Blood Flow After Orbital Decompression Surgery in Patients With Thyroid Eye Disease
This study aims to evaluate the effects of balanced orbital decompression surgery in patients with inactive thyroid-associated orbitopathy.
- Trial name
- BOD-VASC (NCT07393230)
- Testing
- Balanced Orbital Decompression Surgery
- Where
- Turkey (Türkiye)
- Volunteers
- 15 people
- Sponsor
- Marmara University Pendik Training and Research Hospital
Age-Related Macular Degeneration
Brain Connectivity in Age-Related Macular Degeneration
This study is to determine how cognitive deficits (e.g.,verbal fluency deficit) in patients with Age-Related Macular Degeneration (AMD) relate to specific aspects of brain and function.
- Trial name
- NCT01996215
- Where
- United States
- Volunteers
- 238 people, healthy volunteers welcome
- Sponsor
- Duke University
Maculopathy
Assessment Of Diabetic Maculopathy Changes After Phacoemulsification by Using Optical Coherence Tomography
Investigators aimed to assess the macular changes with OCT after uncomplicated phacoemulsification surgery in diabetic patients with non proliferative diabetic retinopathy (NPDR) at the time of surgery and the effect of…
- Trial name
- Maculopathy (NCT05547789)
- Testing
- non steroidal anti inflammatory drugs
- Where
- 2 sites in Egypt
- Volunteers
- 30 people
- Sponsor
- Assiut University
Endophthalmitis, Cataract
Early Vitrectomy for Endophthalmitis After Cataract Surgery
Post-operative infectious endophthalmitis is devastating condition that causes a diffuse intraocular inflammation and may lead to blindness.
- Conditions
- Endophthalmitis, Cataract, Vitreous Detachment, Retinal Detachment
- Trial name
- NCT05249413
- Testing
- Early 23-gauge pars-plana vitrectomy
- Where
- Egypt
- Volunteers
- 11 people
- Sponsor
- Benha University
Epiretinal Membrane, Macular Oedema
Evaluation of Retinal Parameters in Patients With Epiretinal Membrane After Vitrectomy
The goal of this interventional study is to assess the dynamics of structural and functional retinal changes in eyes with epiretinal membrane (ERM) after pars plana vitrectomy (PPV).
- Conditions
- Epiretinal Membrane, Macular Oedema, Macular Diseases, Retinal Diseases
- Trial name
- NCT07165626
- Testing
- Subtreshold micropulse laser therapy, Pars plana vitrectomy
- Where
- Poland
- Volunteers
- 100 people
- Sponsor
- Pomeranian Medical University Szczecin
Neovascular (wet) Age-Related Macular Degeneration
The Effect of Phacoemulsification on the Macular Changes in Patients with Neovascular Age-related Macular Degeneration
The macula has a very high concentration of photoreceptor cells - the cells that detect light. They send signals to the brain, which interprets them as images.
- Trial name
- it does not (NCT06759597)
- Volunteers
- 50 people
- Sponsor
- Assiut University
Diabetic Retinopathy, Macular Edema
Visual Function, Center Point Thickness and Macular Volume After Photocoagulation
The purpose of this study is to correlate changes of visual function three weeks after photocoagulation for macular edema, with changes of center point thickness and macular volume.
- Trial name
- NCT00906659
- Where
- Mexico
- Volunteers
- 89 people
- Sponsor
- Hospital Juarez de Mexico
Retinal Artery Occlusion, Retinal Vein Occlusion
Changes in the Diameter of Retinal Vessels After Remote Ischemic Conditioning
Remote ischemic conditioning (RIC) is a therapeutic strategy for protecting organs or tissue against the detrimental effects of acute ischemia-reperfusion injury.
- Trial name
- NCT02898480
- Testing
- Remote ischemic conditioning
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Aarhus
Age Related Macular Degeneration
Triple Therapy - PDT Plus IVD and Intravitreal Ranibizumab Versus Lucentis Monotherapy to Treat Age-Related Macular Degeneration
The purpose of this study is to compare triple therapy using Photodynamic therapy, intravitreal Dexamethasone and intravitreal Ranibizumab injections versus monotherapy with intravitreal Ranibizumab alone for the treatment of…
- Trial name
- PDEX (NCT00390208)
- Testing
- ranibizumab, dexamethasone and verteporfin, Ranibizumab
- Where
- 4 sites in United States
- Volunteers
- 60 people
- Sponsor
- Bay Area Retina Associates
Diabetic Retinopathy (DR)
Using Implementation Science to Adapt a Targeted Transportation Intervention for Patients With Diabetic Retinopathy (PRONTO-EYE)
This is a a type 3 hybrid effectiveness-implementation pilot study to evaluate the PRONTO-EYE intervention, a rideshare transportation program, in patients with diabetic retinopathy with Medicaid insurance on adherence to…
- Trial name
- PRONTO-EYE (NCT07296952)
- Testing
- PRONTO-EYE
- Where
- United States
- Volunteers
- 60 people
- Sponsor
- University of Illinois Chicago
Safety
FDA Phase IV - Commitment - Retinal Function Study
Vardenafil (Levitra) and Sildenafil (Viagra) are drugs that are marketed for use in patients with erectile dysfunction. The purpose of this study is to find out if there are any changes in the eye after taking at least 15 doses…
- Trial name
- NCT00461565
- Testing
- Sildenafil, Vardenafil (Levitra, BAY38-9456)
- Volunteers
- 63 people, healthy volunteers welcome
- Sponsor
- Bayer
Alzheimer Disease, Mild Cognitive Impairment
Atlas of Retinal Imaging in Alzheimer's Study
The Atlas of Retinal Imaging in Alzheimer's (ARIAS) study is a 5-year study examining the natural history of retinal imaging biomarkers associated with disease risk, disease burden, and disease progression in Alzheimer's disease…
- Conditions
- Alzheimer Disease, Mild Cognitive Impairment, Mild Dementia, Aging
- Trial name
- ARIAS (NCT03862222)
- Testing
- Retinal Imaging, Pupillometry, Contrast Sensitivity
- Where
- 4 sites in United States
- Volunteers
- 165 people, healthy volunteers welcome
- Sponsor
- University of Rhode Island
Thyroid Associated Orbitopathy
OCT Angiography Drived Alterations in Thyroid-associated Orbitopathy
The aim of this observational study is to evaluate retinal microvascular alterations in patients with thyroid-associated orbitopathy (TAO) using optical coherence tomography angiography (OCTA).
- Trial name
- TAO (NCT07341347)
- Where
- Croatia
- Volunteers
- 68 people, healthy volunteers welcome
- Sponsor
- Osijek University Hospital
Preeclampsia (PE), Hypertension ,Pregnancy
Retinal and Choroidal Microcirculation in Preeclampsia: An OCTA Study
Preeclampsia is a multisystemic and multifactorial disorder that complicates pregnancy and is characterized by new-onset hypertension after the 20th week of gestation accompanied by proteinuria or systemic findings such as renal…
- Conditions
- Preeclampsia (PE), Hypertension ,Pregnancy, Retinal Microvascular Changes, Hypertensive Disorders of Pregnancy
- Trial name
- PE-OCTA (NCT07874191)
- Where
- Turkey (Türkiye)
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Muğla Sıtkı Koçman University
Retinal Break, Retinal Detachment
Partial Posterior Hyaloidectomy in Macular Surgery
To evaluate the effect of partial posterior hyaloidectomy on preventing iatrogenic retinal breaks related to induction of a posterior vitreous detachment
- Trial name
- NCT01454466
- Testing
- Partial posterior hyaloidectomy (a modified procedure of vitrectomy)
- Volunteers
- 50 people
- Sponsor
- Samsung Medical Center
Retinal Vasculitis, Behcet Syndrome
Evaluation of Macular Vascular Changes in Behcet's Disease Using Optical Coherence Tomography Angiography
Behcet's disease is an important cause of retinal vasculitis and vision loss in Egypt. Fluorescein angiography is the standard method of diagnosis of retinal vasculitis.
- Trial name
- NCT03264391
- Where
- Egypt
- Volunteers
- 30 people
- Sponsor
- Assiut University
Age-Related Macular Degeneration
Adherence to Lifestyle Changes for Age-related Macular Degeneration
The AMD-Life study investigates which strategies (personalized risk-profiling including genetic testing and/or coaching) motivate AMD patients to change their lifestyle.
- Trial name
- AMD-Life (NCT05667441)
- Testing
- Standard lifestyle recommendations + dietary supplementation, Risk profiling, Coaching
- Where
- Netherlands
- Volunteers
- 150 people
- Sponsor
- Erasmus Medical Center
Rhegmatogenous Retinal Detachment
Corneal Changes After Retinal Surgery
The purpose of this study is to evaluate the corneal changes after performing 20 gauge vitrectomy associated with scleral buckling for the treatment of rhegmatogenous retinal detachment.
- Trial name
- NCT01446367
- Volunteers
- 25 people
- Sponsor
- Universidade Federal do Paraná