Clinical trials: Choroidal Diseases
Pseudoxanthoma Elasticum
Evolution of Visual Impairment During Pseudoxanthoma Elasticum
Pseudoxanthoma elasticum is a disease whom frequency is estimated about 1/50000 to 1/100 000. There is a female preponderance with a sex-ratio of 2:1.
- Trial name
- NCT00555113
- Where
- France
- Volunteers
- 38 people
- Sponsor
- European Georges Pompidou Hospital
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
Eye Diseases
Manual Versus Automated Choroidal Thickness Measurements Using Swept-source Anterior Segment OCT
The choroid, which is located between the retina and the sclera, is a connective tissue layer that is densely packed with blood vessels and is responsible for supplying oxygen and nutrients to the retina's periphery.
- Trial name
- NCT05211089
- Testing
- Optical Coherence Tomography imaging of choroid
- Where
- Egypt
- Volunteers
- 80 people
- Sponsor
- Assiut University
Choroid Disease, Diabetes Mellitus
Measuring Choroidal Thickness Using Optical Coherence Tomography
To compare the choroidal thickness in eyes of diabetic patients with eyes of age matched controls using optical coherence tomography.
- Trial name
- NCT06272851
- Testing
- optical coherence tomography
- Volunteers
- 122 people, healthy volunteers welcome
- Sponsor
- Assiut University
Induced Defocus to the Retina
Defocus Induced Changes on Choroidal Thickness
The goals of this study are to assess the short-term (10-60 minutes) effects of different magnitudes of myopic and hyperopic optical defocus on the transient thickness of the choroid in children and adults, as well as to assess…
- Trial name
- NCT03954886
- Testing
- Plus powered optical lens
- Where
- United States
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- University of Houston
Open-Angle Glaucoma
Influence of Prostaglandins on Ocular Blood Flow in Glaucoma Patients
Vasoactivity of topical drugs may be of prognostic relevance in glaucoma. There is very little information for a major class, the prostaglandin analogues with regard to this aspect.
- Trial name
- NCT00308945
- Testing
- travoprost 0.004% (drug), latanoprost 0.005% (drug)
- Where
- Switzerland
- Volunteers
- 20 people
- Sponsor
- University Hospital, Basel, Switzerland
COVID-19 Pandemic
Retinal and Choroidal Microvascular Parameters in School-age Children in a COVID-19 Infection Pandemic Peak in China
We designed this study to examine whether COVID-19 infection could lead to retinal and choroidal microvascular involvement in school-age children (6-18 years) in a pandemic peak in China.
- Trial name
- NCT05952466
- Where
- China
- Volunteers
- 100 people
- Sponsor
- Guangzhou First People's Hospital
Choroidal Neovascularization, Mineralocorticoid Excess
Biomarkers and Choroidal Neovascularization
The aim of the study is to find biomarkers in the blood and aqueous humor of patients with type 1 choroidal neovascularization and correlate them with the response to anti-VEGF treatment.
- Trial name
- BioNéoRet (NCT04439708)
- Testing
- Blood and aqueous humor biomarker of treatment response
- Where
- 2 sites in France
- Volunteers
- 250 people
- Sponsor
- Institut National de la Santé Et de la Recherche Médicale, France
Myopia, Progressive
Choroidal Response to Novel Spectacle Lens to Control Myopia Progression
Diurnal variations in the thickness of the choroid have been reported in the literature, and, more recently, the role of the choroid has been studied with respect to its role in myopia (near-sightedness) progression.
- Trial name
- CHERRY (NCT03818880)
- Testing
- Novel spectacle lens design
- Where
- Canada
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- SightGlass Vision, Inc.
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
Diabetic Retinopathy, Macular Degeneration
Intravitreal Infliximab for Diabetic Macular Edema (DME) and Choroidal Neovascularization (CNV)
Injections of medicine into the middle of the eye (intravitreal injections) are commonly used in a multitude of retinal diseases.
- Trial name
- ITVR (NCT00695682)
- Testing
- intravitreal injection of infliximab
- Where
- United States
- Volunteers
- 4 people
- Sponsor
- Retina Research Foundation
Macular Degeneration, Glaucoma
Tracking Optical Coherence Tomography
The purpose of this research study is to evaluate an investigational system that may allow doctors to show images of the different parts inside the eye that show greater detail than current equipment can produce.
- Conditions
- Macular Degeneration, Glaucoma, Diabetic Retinopathy, Choroidal Disease
- Trial name
- NCT00343603
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of Pittsburgh
Age-related Macular Degeneration, Choroidal Neovascular Age-related Macular Degeneration
Association of Macular Pigment Optical Density (MPOD) and Genetic Variants in Complement Factor H in Subjects With Choroidal Neovascular (CNV)
Subjects with wet AMD, dry AMD, and age-matched controls will undergo routine occular measurements, will provide a blood and cheek cell sample, and will have macular pigment optical density (MPOD) measured to determine if there…
- Trial name
- NCT01682382
- Where
- United States
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Sequenom, Inc.
Age-Related Macular Degeneration, Choroidal Vessels; Anastomosis
Evaluation of Optical Coherence Tomography.
Determination of the sensitivity and specificity of different combinations of imaging techniques (spectral domain optical coherence tomography, fundus photography and fluorescein angiography) used for the diagnosis of choroidal…
- Trial name
- ESSO (NCT01080898)
- Testing
- tests
- Volunteers
- 151 people
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Age Related Macular Degeneration, Choroidal Neovascularization
Genetic Analysis of Chronic Central Serous Chorioretinopathy Masquerading as Neovascular AMD
The study will be designed as a case control evaluation to compare the genetic profiles of three groups of patients categorized according to diagnosis.
- Conditions
- Age Related Macular Degeneration, Choroidal Neovascularization, Central Serous Chorioretinopathy
- Trial name
- NCT01880788
- Where
- United States
- Volunteers
- 152 people
- Sponsor
- Sequenom, Inc.
Wet Macular Degeneration
A Study to Evaluate the Efficacy and Safety of KSI-301, an Anti-VEGF Antibody Biopolymer Conjugate, Versus Aflibercept in Patients With Neovascular (Wet) Age-Related Macular Degeneration.
This study will evaluate the efficacy, safety, durability, and pharmacokinetics of KSI-301 administered at 12, 16 and 20 weeks intervals as specified in the protocol, compared with aflibercept once every 8 weeks (Q8W), in…
- Trial name
- DAZZLE (NCT04049266)
- Testing
- KSI-301, Aflibercept
- Where
- 75 sites in United States, Czechia and 5 more
- Volunteers
- 559 people
- Sponsor
- Kodiak Sciences Inc
Macular Degeneration, Maculopathy, Age-Related
Anecortave Acetate in Subfoveal Choroidal Neovascularization (CNV) Due to Wet Age-Related Macular Degeneration (AMD)
The purpose of this study was to evaluate anecortave acetate compared to placebo for maintenance of visual acuity after 24 months of treatment in patients with subfovial choroidal neovascularization (CNV) due to exudative…
- Conditions
- Macular Degeneration, Maculopathy, Age-Related, Age-Related Maculopathies, Age-Related Maculopathy
- Trial name
- NCT00051129
- Testing
- Anecortave Acetate 15 mg sterile suspension, Anecortave Acetate Vehicle
- Volunteers
- 291 people
- Sponsor
- Alcon Research
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, Choroidal Neovascularization
Infliximab, Sirolimus and Daclizumab to Treat Age-Related Macular Degeneration
This study examined whether the anti-inflammatory medicines infliximab, sirolimus or daclizumab, when given with a participant's current therapies, would prevent the growth of new blood vessels in the eye in participants with…
- Trial name
- AMDB1 (NCT00304954)
- Testing
- Intravenous Daclizumab, Intravenous Infliximab, Observation
- Where
- United States
- Volunteers
- 13 people
- Sponsor
- National Eye Institute (NEI)
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