Clinical trials: Iris Diseases
WAGR Syndrome, Wilm's Tumor
Characterization of WAGR Syndrome and Other Chromosome 11 Gene Deletions
This study will explore conditions caused by the absence of certain genes on chromosome 11. These conditions include WAGR syndrome, which is characterized by a kidney tumor called Wilm s tumor, aniridia (absence of the iris of…
- Conditions
- WAGR Syndrome, Wilm's Tumor, Aniridia, Urogenital Abnormalities
- Trial name
- NCT00758108
- Where
- United States
- Volunteers
- 197 people, healthy volunteers welcome
- Sponsor
- Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
Pseudoexfoliation Syndrome, Carpal Tunnel Syndrome (CTS)
Pseudoexfoliation and Carpal Tunnel Study
This prospective, single-center case-control study aimed to investigate the association between pseudoexfoliation syndrome (PES) and carpal tunnel syndrome (CTS) using biochemical markers.
- Trial name
- NCT06946030
- Where
- Turkey (Türkiye)
- Volunteers
- 159 people, healthy volunteers welcome
- Sponsor
- Ankara Training and Research Hospital
HIV Infection, Tuberculosis Infection
Micro RNA as Prediction and/or Prognostic Markers of IRIS in TB-HIV Co-infected Patients
The role of miRNAs in HIV disease is yet to be completely defined. Host miRNAs target certain HIV genes, thus can affect HIV replication and participate in viral control.
- Trial name
- miRNA (NCT03941210)
- Testing
- Detection of molecular Biomarkers
- Where
- Cambodia
- Volunteers
- 134 people, healthy volunteers welcome
- Sponsor
- ANRS, Emerging Infectious Diseases
Sarcopenia, Pseudoexfoliation Syndrome
Pseudoexfoliation Syndrome, Sarcopenia and Chronic Pain
Aim: Pseudoexfoliation syndrome (PEX) is a systemic disease of connective tissue, it can also contribute to sarcopenia and chronic musculoskeletal pain with common pathways. 1.
- Trial name
- NCT06121154
- Testing
- SARC-F questionnaire, Gait speed, The chair rise test
- Where
- Turkey (Türkiye)
- Volunteers
- 96 people, healthy volunteers welcome
- Sponsor
- Eskisehir Osmangazi University
Mucopolysaccharidoses
Validation and Reliability of Iris Cameras in Mucopolysaccharidoses
To assess the reliablity and validity of 2 new iris cameras in the assement of corneal opacification in mucopolysaccharidoses
- Trial name
- NCT05354219
- Testing
- Imaging
- Where
- United Kingdom
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Manchester University NHS Foundation Trust
Iris Neovascularization, Diabetic Retinopathy
A Pilot Study for the Treatment of Iris Neovascularization With Macugen
The purpose of this study is to determine if a drug called Macugen may help to stop the growth of abnormal blood vessels on the iris that has occurred in the eye(s) as part of diabetic retinopathy.
- Trial name
- NCT00295828
- Testing
- Pegaptanib Sodium Injection/Panretinal Photocoagulation, Panretinal Photocoagulation (PRP)
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Hermann Eye Center
Exfoliation Syndrome, Glaucoma
The International Collaborative Exfoliation Syndrome Treatment Study
Purpose: To determine the efficacy of treatment with latanoprost in combination with pilocarpine versus timolol or timolol/dorzolamide fixed combination (Timoptic or Cosopt) in eyes with XFS and elevated intraocular pressure…
- Conditions
- Exfoliation Syndrome, Glaucoma, Ocular Hypertension
- Trial name
- NCT00804115
- Testing
- Latanoprost with Pilocarpine vs Timolol or Cosopt
- Where
- United States
- Volunteers
- 277 people, healthy volunteers welcome
- Sponsor
- The New York Eye & Ear Infirmary
Pseudoexfoliation Syndrome
The Possible Association Between Pseudoexfoliation Syndrome And Corneal Endothelial Cell Changes
The study aims to compare the endothelial cell count in patients with pseudoexfoliation syndrome to the the endothelial cell count in normal patients above the age of 50.
- Trial name
- NCT05156138
- Testing
- no interventions as it is a case control observational study
- Where
- Egypt
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Assiut University
Exfoliation Syndrome
Early Diagnosis in Glaucoma With GDxVcc
To compare the Retina Nerve Fiber Layer thickness, measured with Scanning Laser Polarimetry in subjects with exfoliation syndrome and normal controls and to evaluate the value of scanning laser polarimetry in the early diagnosis…
- Trial name
- NCT01022281
- Where
- Greece
- Volunteers
- 82 people, healthy volunteers welcome
- Sponsor
- Aristotle University Of Thessaloniki
Rare Diseases, Aniridia
Validation of Human Drugs Target of Repurposed Drugs and Novel Therapies
The cross-sectional observational clinical study related to rare eye diseases is a multi-center study in which the hypothesis is that neurokinin 1 receptor and/or substance P expression is increased in REDs associated with…
- Conditions
- Rare Diseases, Aniridia, Neurotrophic Keratopathy, Limbal Stem Cell Deficiency
- Trial name
- NCT06412718
- Volunteers
- 274 people, healthy volunteers welcome
- Sponsor
- IRCCS Ospedale San Raffaele
Retinal Ischemia
Ranibizumab Supplementing Panretinal Photocoagulation as Treatment for Iris/Angle Neovascularization in Retinal Ischemic Disease
The object of the study is to compare treatment of iris/angle neovascularization with panretinal photocoagulation (laser) to treatment with panretinal photocoagulation and an anti-angiogenic drug: ranibizumab.
- Trial name
- NCT00841373
- Testing
- Panretinal Photocoagulation, Panretinal Photocoagulation and intravitreal injection of ranibizumab
- Where
- United States
- Volunteers
- 1 people, healthy volunteers welcome
- Sponsor
- Southern New England Retina Associates
Pupil Constriction, Iris Floppiness
Clinical Factors Associated Floppy Iris
This study is planned to investigate the incidence of intraoperative floppy iris and its relationship with pseudoexfoliation, diabetes, hypertension as well as systemic alpha-1 adrenergic blocker use.
- Conditions
- Pupil Constriction, Iris Floppiness, Iris Prolapsus From the Wound
- Trial name
- NCT00472888
- Where
- Turkey (Türkiye)
- Volunteers
- 500 people, healthy volunteers welcome
- Sponsor
- Baskent University
HIV Infections, Cytomegalovirus
CMV Disease and IRIS in HIV-1 Infected Persons
Various diagnostic methods are available for CMV infection. But none of them could be a standard and highly valuable. Our first goal is to setup a series of molecular diagnostic tools for HIV-1 infected person.
- Trial name
- NCT00456664
- Testing
- IE gene
- Where
- Taiwan
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Kaohsiung Medical University Chung-Ho Memorial Hospital
Aniridia
Comparison of the Healing Properties on Corneal Cells of Groth Factor-enriched Plasma and Autologous Serum From Aniridia Patients
Keratopathy of patients with aniridia leads to epithelial scarring disorders and a progressive clouding of the cornea linked to this abnormal healing (fibrosis).
- Trial name
- CICASAND (NCT05400590)
- Testing
- Peripheral venous blood sample, Conjunctival impression
- Where
- France
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Fondation Ophtalmologique Adolphe de Rothschild
Primary Open Angle Glaucoma, Primary Open-Angle Glaucoma, Unspecified Eye
Glaucoma Screening Using Dynamic Analysis of Computerized Pupillary Light Reflex Assessment Device
To explore an effective diagnostic tool of glaucoma through the dynamic analysis of computerized pupillary light reflex assessment device (CPLRAD) pupillography based on iris recognition techniques and investigate its feasibility…
- Conditions
- Primary Open Angle Glaucoma, Primary Open-Angle Glaucoma, Unspecified Eye, Primary Open Angle Glaucoma of Both Eyes, Suspect Glaucoma
- Trial name
- NCT04595227
- Testing
- Computerized pupillary light reflex assessment device
- Where
- China
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Peking University
Glaucoma
Investigating the Genetic Basis of Pseudoexfoliation Syndrome, Angle-closure Glaucoma and Primary Open-angle Glaucoma
There is increasing evidence that there are genetic risk factors for several forms of glaucoma, such as glaucoma caused by pseudoexfoliation syndrome (PXF) ,primary angle closure glaucoma (PACG) and primary open-angle glaucoma…
- Trial name
- NCT03423758
- Testing
- Blood sample
- Where
- Austria
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Medical University of Vienna
Conjunctivitis, Glaucoma
Feasibility Study and Preliminary Application Study on Iris OCTA
All participants will underwent imaging using the OCTA system (Zeiss) with the anterior segment optical adaptor lens. The main outcomes are iris blood flow density and vascular density.
- Conditions
- Conjunctivitis, Glaucoma, Myopia, Diabetic Retinopathy
- Trial name
- NCT03631108
- Testing
- OCTA (ZEISS)
- Volunteers
- 4,000 people, healthy volunteers welcome
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
Pseudoexfoliation Syndrome, Pseudoexfoliation Glaucoma in Both Eyes
Correlation Between Pupil Size and Ocular Signs of Pseudoexfoliation Syndrome
To study possible correlation between the size of the pupil in both room light and after dilation between both eyes in bilateral pseudoexfoliation with Intraocular pressure, lens clarity and stability, Optic disc , Visual changes…
- Conditions
- Pseudoexfoliation Syndrome, Pseudoexfoliation Glaucoma in Both Eyes, Pseudoexfoliation of Lens; Glaucoma
- Trial name
- NCT05113121
- Testing
- , Humphrey visual field (24-2) analysis and optical coherence tomography on retinal nerve fiber layer (RNFL) and ganglion cell complex.(GCC)
- Where
- Egypt
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Assiut University
Autonomic Nervous System Diseases
Sympathetic-parasympathetic Ratio of Our Gaze
ABSTRACT BACKGROUND The existence of the retinohypothalamic pathway suggests that light may influence autonomic outflow activity.
- Trial name
- NCT03322904
- Testing
- iris photography
- Where
- Turkey (Türkiye)
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- Kecioren Education and Training Hospital
Pseudoexfoliation Syndrome
The Endothelial Count in Pxf
Pseudoexfoliation Syndrome Is a common disorder in Egypt. IT is one of the common causes of coexisting cataract and glaucoma. It may be associated with a less than normal endothelial count.
- Trial name
- NCT03265457
- Testing
- Specular microscopy
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Assiut University