Clinical trials: Anterior Segment Disorders
Anophthalmia, Microphthalmia
National Cohort on Congenital Defects of the Eye
Congenital malformations of the eye comprise various developmental defects including microphthalmia, anophthalmia, aniridia, and anterior segment anomalies (such as Peters and Axenfeld-Rieger anomalies).
- Conditions
- Anophthalmia, Microphthalmia, Aniridia, Anterior Segment Dysgenesis 6, Peters Anomaly Subtype
- Trial name
- RaDiCoACOEIL (NCT05954403)
- Where
- France
- Volunteers
- 800 people
- Sponsor
- Institut National de la Santé Et de la Recherche Médicale, France
Diabetes, Proteinuria
The Effect of Renin Angiotensin System Blockage (RAS) Blockade On PTX3 Levels In Diabetic Patients With Proteinuria
Long pentraxin 3 (PTX3) is a recently discovered multimeric inflammatory mediator structurally linked to CRP and serum amyloid P-component.
- Conditions
- Diabetes, Proteinuria, Renin Angiotensin System
- Trial name
- NCT00674596
- Testing
- ramipril
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Gulhane School of Medicine
Primary Open Angle Glaucoma, Glaucoma
The Objective is to Evaluate the Anterior Chamber Angle After BANG Procedure, the Study Will Recruit 12 Patients Who Will Undergo Planned Goniectomy for Uncontrolled POAG, Anterior Segment OCT Scan Will Be Used to Evaluate the Anterior Chamber Postoperatively.
Evaluation of anterior segment using anterior segment optical coherence tomography in patients undergoing planned bent angle needle goniectomy procedure for uncontrolled open angle glaucoma.
- Trial name
- NCT06526416
- Testing
- Anterior segment optical coherence tomography
- Volunteers
- 12 people
- Sponsor
- Benha University
Vascular Diseases, Cardiovascular Diseases
Changes in Myocardial Biomechanics and Early Short-term Doxycycline Therapy in Patients With Primary Anterior STEMI
The purpose of the study is to investigate the changes of myocardial biomechanics and efficacy of doxycycline in patients with primary anterior STEMI.
- Conditions
- Vascular Diseases, Cardiovascular Diseases, Acute Myocardial Infarction
- Trial name
- MASTARD (NCT02562651)
- Testing
- Doxycycline, Standard care for STEMI
- Where
- Russia
- Volunteers
- 45 people
- Sponsor
- Russian Academy of Medical Sciences
Cataract, Healthy Eye
The Heidelberg Engineering ANTERION Anterior Segment Cornea and IOL Precision and Agreement Study
This is a prospective clinical study that will be conducted at one clinical site located in the United States to assess anterior segment parameters with the ANTERION
- Conditions
- Cataract, Healthy Eye, Cornea Abnormality, Post-Keratorefractive Surgery
- Trial name
- NCT04130490
- Testing
- ANTERION
- Where
- United States
- Volunteers
- 176 people, healthy volunteers welcome
- Sponsor
- Heidelberg Engineering GmbH
Pseudoexfoliation Syndrome, Biomechanical Parameters
Corneal Biomechanics, Optical Properties and Anterior Segment Structural Features in Patients With Pseudoexfoliation
The purpose of this study is to assess the effect of pseudoexfoliation syndrome on corneal biomechanics, optical clarity of the cornea, and anterior segment structural features.
- Conditions
- Pseudoexfoliation Syndrome, Biomechanical Parameters, Corneal Densitometry
- Trial name
- CorPEX (NCT06731530)
- Testing
- Pentacam-AXL, HD Analyzer, Corvis ST
- Where
- Greece
- Volunteers
- 86 people, healthy volunteers welcome
- Sponsor
- Aristotle University Of Thessaloniki
Strabismus, Tomography, Optical Coherence
Measurement of Insertion of Extraocular Muscles Using Anterior Segment Optical Coherence Tomography
Study designed to determine the ability and accuracy of anterior segment optical coherence tomography (AS-OCT) to measure the distance between the corneoscleral limbus and the insertion site of the extraocular muscles (EOM) in…
- Trial name
- NCT02454920
- Volunteers
- 72 people, healthy volunteers welcome
- Sponsor
- University of Miami
Posterior Capsule Opacification, Pseudophakia
IOL Position and Refractive Change After Nd:YAG Laser Posterior Capsulotomy
After cataract surgery, the thin natural membrane that holds the artificial lens in place can slowly turn cloudy. This is called posterior capsule opacification. It makes vision blurry and can cause glare.
- Conditions
- Posterior Capsule Opacification, Pseudophakia, Refractive Errors
- Trial name
- YAG-IOL-POS (NCT07802145)
- Testing
- Nd:YAG laser posterior capsulotomy, Anterior segment swept-source OCT, Swept-source optical biometry
- Where
- Austria
- Volunteers
- 80 people
- Sponsor
- Vienna Hospital Association
Keratoconus, Cornea
Evaluation Of Deep Anterior Lamellar Keratoplasty By Anterior Segment Ocular Coherence Tomography
Investigators' research is concerned observing the post-operative anterior segment OCT changes throughout the post- operative follow up of the patient and relating to improve the visual outcome of the surgery which is the goal of…
- Conditions
- Keratoconus, Cornea, Corneal Opacity
- Trial name
- NCT05345652
- Testing
- deep anterior lamellar keratoplasty
- Volunteers
- 20 people
- Sponsor
- Assiut University
Angle Closure Glaucoma, Glaucoma
Anterior Segment Changes by Optical Coherence Tomography (OCT) in Phaco- Trabeculectomy
1. Develop a measurement protocol by OCT imaging and characterization of the anterior chamber change in glaucoma patients before and after surgery. 2. Show the effect of combined surgery in control of intra ocular pressure.
- Conditions
- Angle Closure Glaucoma, Glaucoma, Cataract Secondary
- Trial name
- NCT03626675
- Testing
- phaco- trabeculectomy
- Where
- Egypt
- Volunteers
- 40 people
- Sponsor
- Assiut University
Anterior Uveitis
Safety and Efficacy Study of Iontophoretic Dexamethasone Phosphate Ophthalmic Solution to Treat Non-Infectious Anterior Segment Uveitis
The purpose of this study is to evaluate the safety and efficacy of ocular iontophoresis with dexamethasone phosphate ophthalmic solution EGP-437 using the EyeGate® II Drug Delivery System (EGDS) compared to prednisolone acetate…
- Trial name
- NCT01505088
- Testing
- 40 mg/mL Dexamethasone phosphate ophthalmic solution, Prednisolone Acetate (1%) Eyedrops, 100 mM sodium citrate buffer solution
- Where
- 39 sites in United States
- Volunteers
- 193 people
- Sponsor
- Eyegate Pharmaceuticals, Inc.
Spinal Diseases
A-MAV™ Anterior Motion Segment Replacement
The purpose of this clinical trial is to collect safety and effectiveness data concerning the A-MAV™ Anterior Motion Segment Replacement device as a method of treating patients with lumbar degenerative disc disease at one level…
- Trial name
- NCT00635934
- Testing
- A-MAV™ disc
- Where
- 3 sites in United States
- Volunteers
- 53 people
- Sponsor
- Medtronic Spinal and Biologics
Wilson Disease
The Exploratory Handheld Optical Coherence Tomography Study in Wilson's Disease
This is an exploratory study using anterior segment optical coherence tomography (OCT) devices to measure copper in the eye. The investigators hope to use this to diagnosis kayser flesicher rings, an important diagnostic criteria…
- Trial name
- NCT07046507
- Testing
- Diagnostic procedures
- Where
- United Kingdom
- Volunteers
- 10 people
- Sponsor
- Royal Surrey County Hospital NHS Foundation Trust
Intraoperative Floppy Iris Syndrome, Cataract
Pupillary Dilator Muscle Thickness as a Potential Predictor of Intraoperative Floppy Iris Syndrome
Intraoperative Floppy Iris Syndrome (IFIS) is a potencial complication encountered during cataract surgery in patients treated with α1-adrenergic receptor antagonists (α1-ARAs) for lower urinary tract symptoms.
- Conditions
- Intraoperative Floppy Iris Syndrome, Cataract, Age-related Cataract, Adrenergic Receptor Antagonist Adverse Reaction
- Trial name
- NCT07517094
- Where
- Czechia
- Volunteers
- 30 people
- Sponsor
- University Hospital Olomouc
Glaucoma, Angle-Closure
Anterior Segment Anatomic Parameters for Risk Profiling of Primary Angle-closure Glaucoma
The goal of this observational study is to examine the anterior segment anatomical parameters associated with the scleral spur and cornea for risk profiling of primary angle-closure glaucoma (PACG).
- Trial name
- NCT06143943
- Where
- China
- Volunteers
- 168 people
- Sponsor
- Min Ke
Fuchs' Endothelial Dystrophy
Supine Positioning for Graft Attachment After Descemet Membrane Endothelial Keratoplasty
This randomized controlled trial evaluates the efficacy and safety of postoperative supine head positioning on graft attachment after Descemet membrane endothelial keratoplasty in patients with Fuchs' endothelial corneal…
- Trial name
- SUPER-DMEK (NCT05399095)
- Testing
- Supine positioning: 5 days, Supine positioning: 1 days
- Where
- Germany
- Volunteers
- 90 people
- Sponsor
- University Eye Hospital, Freiburg
Active Noninfectious Uveitis Affecting the Posterior Segment
A Study of REGN7041 for Active Noninfectious Uveitis in Adult Participants
This study is researching an experimental drug called REGN7041 (also referred to as "study drug"). The study is focused on patients who have active inflammation inside of the eye without any signs of infection.
- Trial name
- TITAN (NCT07218770)
- Testing
- REGN7041
- Where
- 5 sites in United States
- Volunteers
- 1 people
- Sponsor
- Regeneron Pharmaceuticals
Punctal Stenosis
Diagnosis of Acquired Punctal Stenosis Using Anterior Segment Optical Coherence Tomography
Purpose of the study To evaluate the lower puntum dimensions in cases of acquired punctal stenosis(APS), using anterior segment optical coherence tomography (AS-OCT).
- Trial name
- NCT03498144
- Testing
- Anterior segment OCT
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Minia University
Artifical Intelligence, Cataract
Development of a Mobile Terminal-Based Intelligent Detection System for Multiple Anterior Segment Diseases of the Eye
This is a multi-center, cross-sectional study evaluating a smartphone-based artificial intelligence (AI) system for anterior segment eye disease screening.
- Conditions
- Artifical Intelligence, Cataract, Pterygium, Keratopathy
- Trial name
- LENS (NCT07634913)
- Testing
- Smartphone-based on-device artificial intelligence system for anterior segment eye disease screening
- Where
- China
- Volunteers
- 3,000 people, healthy volunteers welcome
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Meibomian Gland Dysfunction, Cataract
Ultrahigh-resolution Optical Coherence Tomography Imaging of the Anterior Eye Segment Structures
The development of optical coherence tomography (OCT) and its application for in vivo imaging has opened entirely new opportunities in ophthalmology.
- Conditions
- Meibomian Gland Dysfunction, Cataract, Glaucoma, Corneal Transplantation
- Trial name
- NCT03461978
- Testing
- Ultrahigh resolution Spectral Domain OCT
- Where
- Austria
- Volunteers
- 14 people
- Sponsor
- Medical University of Vienna