Clinical trials: Choroidal Diseases
Nearsightedness
Effect of Defocus in Soft Contact Lenses on Internal Retinal Vascularization
The purpose of this study is to gain a better understanding of the retinal vascular changes that occur in response to the optical effect of a myopic defocus daily disposable soft contact lens (MDSL) in a group of healthy young…
- Trial name
- NCT06527274
- Testing
- Experimental: Myopic defocus soft lens design (MDSL), Active Comparator: Single vision soft lens design (SVSL
- Where
- Canada
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Université de Montréal
Polypoidal Choroidal Vasculopathy
Ranibizumab for Polypoidal Choroidal Vasculopathy (PCV)
This is a 12 month study of monthly injections of ranibizumab in subjects with polypoidal choroidal vasculopathy as diagnosed by fluoresceins/indocyanine green (FA/ICG) angiography.
- Trial name
- PEARL (NCT00424710)
- Testing
- ranibizumab intravitreal injection
- Where
- 2 sites in United States
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- Hawaii Pacific Health
Branch Retinal Artery Occlusion, Central Retinal Artery Occlusion
Retinal Oxygen Saturation, Blood Flow, Vascular Function and High Resolution Morphometric Imaging in the Living Human Eye
Canadians fear loss of vision more than any other disability. Vision loss has an enormous impact on quality-of-life and is extremely costly from a societal and economic perspective.
- Conditions
- Branch Retinal Artery Occlusion, Central Retinal Artery Occlusion, Branch Retinal Vein Occlusion, Central Retinal Vein Occlusion
- Trial name
- NCT01348633
- Where
- Canada
- Volunteers
- 275 people, healthy volunteers welcome
- Sponsor
- University of Toronto
Myopia
Choroidal Response to the Modified Defocus Incorporated Multiple Segments Spectacle Lenses
The goal of this study is to investigate the short-term changes in choroidal thickness and efficacy of the study spectacle lenses in children.
- Trial name
- NCT07547072
- Testing
- Modified Defocus Incorporated Multiple Segments lens (D1), Modified Defocus Incorporated Multiple Segments lens (D2)
- Where
- Hong Kong
- Volunteers
- 108 people, healthy volunteers welcome
- Sponsor
- The Hong Kong Polytechnic University
Wet Macular Degeneration
Intravitreal Ranibizumab and TA Combination Therapy vs. Ranibizumab Monotherapy in Polypoidal Choroidal Vasculopathy
The purpose of this study is to evaluate the effects and safety of ranibizumab therapy combined with TA versus ranibizumab monotherapy in patients with polypoidal choroidal vasculopathy (PCV).
- Trial name
- RANTA (NCT02806752)
- Testing
- Triamcinolone Acetonide, Ranibizumab
- Where
- 7 sites in China
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Aier School of Ophthalmology, Central South University
Macular Degeneration, Age-related Macular Degeneration
A Study To Evaluate The Safety, Tolerability And Pk Of Pazopanib Eye Drops In Healthy Adult And Elderly Subjects.
This is a two-part study to evaluate the safety, tolerability and pharmacokinetics of single (Part A) and repeat (Part B) eye drop doses of pazopanib in healthy adult and elderly subjects.
- Trial name
- NCT00463320
- Testing
- Pazopanib eye drops and Allergen Refresh Plus eye drops
- Where
- 2 sites in United States
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Myopia
Peripheral Choroidal Layer Response
The study aims to examine how the vascular layer of the eyeball (choroidal layer) responds when part of the visual field is exposed to specially generated visual stimulus.
- Trial name
- NCT05132140
- Testing
- adaptive optics system
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Houston
Uveitis
Objective Choroidal Thickness Measurements in Uveitis
Optical Coherence Tomography (OCT) machines are non-contact instruments that can provide micrometer scale imaging of biological tissue.
- Trial name
- NCT03889860
- Where
- Poland
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Wroclaw Medical University
Coronary Vasospasm
Effect of Glucose on Ocular Blood Flow
The primary objective is to assess the effect of glucose on retinal vascular diameter in otherwise healthy vasospastic subjects compared to non-vasospastic controls.
- Trial name
- NCT00350129
- Where
- Switzerland
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University Hospital, Basel, Switzerland
Age Related Macular Degeneration
Short-term Clinical Effects of Intravitreal Aflibercept Injection 2.0mg as a Predictor of Long-term Results
This is an open label study to evaluate 2.0 mg intravitreal aflibercept injection administered in subject who have active choroidal neovascularization due to Age Related Macular Degeneration (AMD).
- Trial name
- NCT01657669
- Testing
- Intravitreal Aflibercept injection
- Where
- 3 sites in United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Retina Research Institute, LLC
Retinal Disease
Defining Retinal and Choroidal Structures Using Hyperspectral Imaging
This study investigates a novel, non-invasive imaging technique called hyperspectral retinal imaging to improve the identification and characterisation of retinal and choroidal structures in both healthy and diseased eyes.
- Trial name
- NCT07530783
- Testing
- Hyperspectral retinal imaging
- Volunteers
- 679 people, healthy volunteers welcome
- Sponsor
- Center for Eye Research Australia
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
Myopia
Long Term Effects of Multifocal Orthokeratology on Corneal and Choroidal Structures in Healthy Subjects With Myopia- A Pilot Study
Orthokeratology has the benefit for slowing down myopia progression and enabling unaided vision during the day. To investigate proposed possible changes of conventional and multifocal orthokeratology in the cornea and choroid…
- Trial name
- NCT02700295
- Testing
- Orthokeratology lens
- Where
- Austria
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Polypoidal Choroidal Vasculopathy
Safety Study of High-Dose Ranibizumab for Polypoidal Choroidal Vasculopathy
Monthly, continuous anti-vegf therapy for patients presenting with active polypoidal choroidal vasculopathy. Two arms, treatment naive and previously treated with an FDA approved anti-VEGF therapy, will be randomized and dosed…
- Trial name
- PEARL2 (NCT01248117)
- Testing
- ranibizumab 2.0mg
- Where
- 2 sites in United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Retina Consultants of Hawaii
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
Subfoveal Choroidal Neovascularization
Comparative Study With Photodynamic Therapy And Triamcinolone Versus Photodynamic Therapy, Triamcinolone And Ranibizumab In Patients With Subfoveal Choroidal Neovascularization
The purpose of this study is to compare the efficacy of photodynamic therapy with verteporfin (PDT) and IVTA vs triple therapy (TT) in patients with subfoveal choroidal neovascularization (CNV) secondary to age-related macular…
- Trial name
- NCT00930189
- Testing
- intravitreal injection of ranibizumab, intravitreal injection of triamcinolone, photodynamic therapy
- Where
- Mexico
- Volunteers
- healthy volunteers welcome
- Sponsor
- Asociación para Evitar la Ceguera en México
Polypoidal Choroidal Vasculopathy
Ranibizumab (Lucentis) for Polypoidal Choroidal Vasculopathy
This Phase I/II safety study is designed to investigate the safety and efficacy of ranibizumab (Lucentis) in the treatment of polypoidal choroidal vasculopathy (PCV), a potentially blinding eye disease that involves the growth of…
- Trial name
- NCT00837330
- Testing
- ranibizumab 0.5 or 0.3 mg/0.05 cc
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Southeast Retina Center, Georgia
Alzheimer's Disease, Mild Cognitive Impairment
Retinal Imaging in Neurodegenerative Disease
This study aims to develop and evaluate biomarkers using non-invasive optical coherence tomography (OCT) and OCT angiography (OCTA) as well as ultra-widefield (UWF) fundus photography to assess the structure and function of the…
- Conditions
- Alzheimer's Disease, Mild Cognitive Impairment, Parkinson's Disease, Multiple Sclerosis
- Trial name
- NCT03233646
- Testing
- Retinal and Choroidal Imaging
- Where
- United States
- Volunteers
- 2,000 people, healthy volunteers welcome
- Sponsor
- Duke University
Age Related Macular Degeneration, Choroidal Neovascular Membrane
A Study of Intravitreal Injections of 2.0mg Ranibizumab in Subjects With Chronic Fluid On OCT Post Multiple Injections With Ranibizumab (Super-dose Anti-VEgf SAVE Trial)
The purpose of this study is to determine whether 2.0mg Ranibizumab is effective in the treatment of recurrent fluid.
- Conditions
- Age Related Macular Degeneration, Choroidal Neovascular Membrane, Subfoveal Neovascular Age-Related Macular Degeneration, Macular Degeneration
- Trial name
- SAVE (NCT01025232)
- Testing
- Ranibizumab
- Where
- 2 sites in United States
- Volunteers
- 88 people, healthy volunteers welcome
- Sponsor
- David M. Brown, M.D.
Spinal Muscular Atrophy, Fragile X Syndrome
Early Check: Expanded Screening in Newborns
Early Check provides voluntary screening of newborns for a selected panel of conditions. The study has three main objectives: 1) develop and implement an approach to identify affected infants, 2) address the impact on infants and…
- Conditions
- Spinal Muscular Atrophy, Fragile X Syndrome, Fragile X - Premutation, Duchenne Muscular Dystrophy
- Trial name
- NCT03655223
- Testing
- Confirmatory Testing
- Where
- United States
- Volunteers
- 30,000 people, healthy volunteers welcome
- Sponsor
- RTI International