Clinical trials: Keratoconus
Keratoconus, Machine Learning
Detection of Keratoconus Progression Using Machine Learning
Keratoconus (KC) is a bilateral ocular disease characterized by progressive thinning and steepening of the cornea, usually in its inferotemporal region.
- Trial name
- NCT06873399
- Testing
- MS-39
- Where
- Austria
- Volunteers
- 200 people
- Sponsor
- Vienna Institute for Research in Ocular Surgery
Keratoconus
Keratoconus Detection by Ultrasound
Keratoconus (KC) is a corneal disease which will in many cases ultimately require corneal transplantation to maintain vision. Early detection, which is not possible with current technology, would allow early treatment and prevent…
- Trial name
- NCT01403129
- Testing
- Artemis Ultrasound Exam, Optical Coherence Tomography (OCT) Exam
- Where
- 2 sites in United States, United Kingdom
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Columbia University
Corneal Ectasia
Three Different Cross-linking Protocols for Treatment of Pediatric Keratoconus
comparison between standard cross-linking protocol and accelerated and transepithelial cross-linking
- Trial name
- NCT05691335
- Testing
- Standard CXL, Accelerated CXL, Transepithelial CXL
- Where
- Egypt
- Volunteers
- 97 people
- Sponsor
- Sohag University
Pellucid Marginal Corneal Degeneration, Keratoconus
A Study to Test the Potential of Brillouin Microscopy for Biomechanical Properties Measurements in Human Cornea
The purpose of this research study is to find out if the new Brillouin Ocular Scanner can measure the variation (difference) of the corneal elastic changes involved in the onset of corneal ectasia, induced by LASIK surgery and…
- Conditions
- Pellucid Marginal Corneal Degeneration, Keratoconus, Keratectasia
- Trial name
- NCT03220529
- Testing
- Brillouin Ocular Scanner
- Where
- 2 sites in United States, Switzerland
- Volunteers
- 85 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Keratoconus
Treatment of Keratoconus With Advanced CXL-II
The purpose of this study is to determine whether individualized, topography-based corneal crosslinking for keratoconus can improve the optical outcomes of the treatment.
- Trial name
- NCT02514200
- Testing
- Topography-based CXL (KXL2), Conventional pulsed CXL (pCXL), Riboflavin
- Volunteers
- 50 people
- Sponsor
- Umeå University
Keratoconus
Identification and Validation of Functional Biomarkers for Keratoconus
There is currently no medication for containing KC, nor any adequate biomarkers to predict the disease. Furthermore, there is considerable confusion in the field regarding the pathophysiology of the disease and involvement of…
- Trial name
- NCT01746823
- Testing
- Cyclosporins
- Where
- India
- Volunteers
- 200 people
- Sponsor
- Narayana Nethralaya
Tomography, Visual Acuity
Keratoconus - Screening in Patients With Downs Syndrome
The initial purpose of the study is to determine the true tomographic based age-specific prevalence of keratoconus among Danish patients with Downs Syndrome.
- Conditions
- Tomography, Visual Acuity, Refraction Error
- Trial name
- NCT07800975
- Where
- Denmark
- Volunteers
- 137 people
- Sponsor
- University of Aarhus
Keratoconus, Corneal Ectasia
Corneal Collagen Crosslinking for Keratoconus and Ectasia Using Riboflavin/Dextran or Riboflavin/Methylcellulose
This study is being conducted to evaluate the safety and efficacy of isotonic riboflavin for corneal collagen crosslinking for keratoconus and corneal ectasia.
- Trial name
- CXL (NCT04897503)
- Testing
- Riboflavin
- Where
- United States
- Volunteers
- 170 people, healthy volunteers welcome
- Sponsor
- Cornea and Laser Eye Institute
Keratoconus, Ectasia
Progressive Keratoconus or Ectasia Treatment Plan
Keratoconus and pellucid marginal degenerations are genetically based ocular conditions and post surgical ectasia is an iatrogenic condition.
- Trial name
- NCT01384773
- Testing
- Riboflavin Solution, UV-X Illumination System
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Stephen Trokel
Keratoconus, Artificial Intelligence, Support Vector Machine
Efficiency of an Algorithm Derived From Corneal Tomography Parameters to Distinguish Highly Susceptible Corneas to Ectasia From Healthy
The objective of this study was to identify and build an algorithm through an imaging process using a support vector machine (SVM) with the tomography variables of cases with, KC, highly susceptible corneas to ectasia (HSCE), and…
- Trial name
- NCT04313387
- Testing
- Corneal tomography multivariate index derived from a support vector machine (CTMVI).
- Volunteers
- 588 people
- Sponsor
- Gildasio Castello de Almeida Junior
Keratoconus
Iontophoretic Transepithelial Corneal Cross-linking in Pediatric Patients
To report three year follow up in pediatric patients with keratoconus after iontophoretic transepithelial corneal cross-linking (CXL) to assess preoperative factors that may influence ectasia progression
- Trial name
- NCT03661164
- Testing
- corneal cross linking
- Volunteers
- 22 people
- Sponsor
- Luca Buzzonetti
Pain, Postoperative, Pain, Chronic
fMRI and IVCM Cornea Microscopy of CXL in Keratoconus
Evaluation of neuroplasticity of pain pathways and corneal afferent nerve regeneration following corneal crosslinking (CXL) in keratoconus patients using fMRI and corneal In Vivo Confocal Microscopy (IVCM).
- Conditions
- Pain, Postoperative, Pain, Chronic, Pain, Acute, Surgical Injury
- Trial name
- NCT04439552
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Boston Children's Hospital
Keratoconus
Comparison of Penetrating Keratoplasty and Deep Lamellar Keratoplasty With the Big Bubble Technique for Keratoconus
it is a randomized clinical trial to compare deep lamellar keratoplasty (DLK) Using big bubble technique and Penetrating Keratoplasty (PK) in patients with keratoconus
- Trial name
- NCT00371202
- Testing
- keratoplasty
- Where
- Iran
- Volunteers
- 50 people
- Sponsor
- Shahid Beheshti University of Medical Sciences
Keratoconus, Cornea Ectasia
Safety and Efficacy of Corneal Crosslinking Using the PXL-Platinum 330 for Eyes With Corneal Ectatic Conditions
To evaluate the safety and effectiveness of the PXL Platinum 330 device for performing Corneal Crosslinking in patients with corneal thinning conditions.
- Trial name
- NCT04240457
- Testing
- Epithelial-on Corneal Crosslinking with the PXL 330 Platinum system.
- Where
- United States
- Volunteers
- 11 people
- Sponsor
- Arbor Center for Eye Care
Keratoconus
Riboflavin Mediated Corneal Crosslinking for Stabilizing Progression of Keratoconus
Background: Corneal cross linking is a procedure that induces collagen cross linking of the corneal stroma due to release of reactive oxygen radicals upon activation of topically applied riboflavine A by UVA exposure.
- Trial name
- CCL (NCT00626717)
- Testing
- Riboflavin/UVA crosslinking
- Where
- Germany
- Volunteers
- 30 people
- Sponsor
- University Hospital Freiburg
Keratoconus
Transepithelial Customized Cross-linking
Customized remodeled vision (CuRV) is a new corneal cross-linking protocol for keratoconus, combining a transepithelial approach with customized energy application.
- Trial name
- NCT04820608
- Testing
- Cross-linking
- Where
- Greece
- Volunteers
- 50 people
- Sponsor
- Ophthalmica Eye Institute
Keratoconus, Ectasia Corneal
Comparison of Standard vs. Accelerated Corneal Crosslinking
The study objective is to compare accelerated and standard corneal crosslinking for treatment of progressive keratoconus or corneal ectasia.
- Trial name
- NCT03922542
- Testing
- riboflavin 0.1%
- Where
- United States
- Volunteers
- 508 people
- Sponsor
- Price Vision Group
Ichthyosis
Ophthalmological Abnormalities in Hereditary Ichthyosis (ICHTYO-KERATO)
Presence/absence of subclinical keratoconus with corneal topographic abnormalities (skewed radial axes for forme fruste keratoconus, and inferior steepening for keratoconus suspect) on axial specular topography (TMS-4 Tomey), and…
- Trial name
- NCT03464994
- Testing
- ophthalmological examination
- Where
- France
- Volunteers
- 152 people
- Sponsor
- University Hospital, Toulouse
Keratoconus
CXL-04 A Study of Collagen Crosslinking With Ultraviolet-A in Asymmetric Corneas
The purpose of this study is to evaluate the efficacy of ultraviolet-A (UVA)-induced cross-linking of corneal collagen (CXL) as a method to increase the biomechanical and biochemical stability of the cornea by inducing additional…
- Trial name
- NCT01956474
- Testing
- Theralight crosslinking and Riboflavin
- Where
- 6 sites in United States
- Volunteers
- 1,324 people
- Sponsor
- Cxlusa
Keratoconus
Epithelium-on Cross-linking Versus Observation of Fellow Eyes of Patients With Unilateral Clinically Evident Keratoconus
Keratoconus (KC) is a bilateral asymmetric progressive corneal degenerative disease. The management of young patients, diagnosed with clinically evident KC in one eye and with no clinical signs of KC in the other eye, represents…
- Trial name
- NCT06267495
- Testing
- Epithelium-on corneal cross-linking (epi-on CXL)
- Where
- Egypt
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Assiut University