Clinical trials: Ectasia Corneal
Keratoconus, Unstable, Bacterial Keratitis
Safety and Effectiveness of the PXL-Platinum 330 System for Corneal Cross-Linking
To determine whether the Peschke PXL-330 system is safe and effective in the treatment of corneal thinning conditions.
- Conditions
- Keratoconus, Unstable, Bacterial Keratitis, Ectasia of Cornea
- Trial name
- NCT03918408
- Testing
- PXL-330 Platinum device for crosslinking with Peschke ribofflavin solution
- Where
- United States
- Volunteers
- 300 people
- Sponsor
- Pacific Clear Vision Institute
Corneal Ectasia
Refractive and Corneal Topographic Characteristics in Upper Egypt Children With High Cylinder
Refractive and Corneal Topographic Characteristics in upper Egypt children with high cylinder: A cross sectional study
- Trial name
- NCT06348368
- Testing
- Pentacam and autorefractometry
- Where
- Egypt
- Volunteers
- 4,000 people
- Sponsor
- Sohag University
Corneal Ectasia, Keratoconus
Safety and Effectiveness of the PXL-Platinum 330 System
To evaluate the safety and effectiveness of the PXL Platinum 330 system for performing corneal cross-linking (CXL) for the treatment of ectatic disorders.
- Conditions
- Corneal Ectasia, Keratoconus, Pellucid Marginal Corneal Degeneration
- Trial name
- NCT04401865
- Testing
- PXL-330 Platinum device for crosslinking with Peschke riboflavin solution
- Where
- 3 sites in United States
- Volunteers
- 300 people
- Sponsor
- Colorado Eye Consultants/Cornea Consultants of Colorado
Keratoconus, Ectasia
Collagen Crosslinking With Ultraviolet-A in Asymmetric Corneas
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 cross-links within or…
- Conditions
- Keratoconus, Ectasia, Degeneration
- Trial name
- NCT01024322
- Testing
- Ciprofloxicine or Vigamox or other., Nonsteroidal (Acular, Voltaren Xibrom, etc), Steroid (FML, Pred Forte, Flarex, etc.)
- Where
- 3 sites in United States
- Volunteers
- 1,189 people
- Sponsor
- Cxlusa
Keratoconus, Ectasia
UVA-Riboflavin Crosslinking Treatment of Corneal Ectasia
The primary objective of this study is to evaluate two different ultraviolet (UV) dosing regimens for corneal collagen cross linking to slow the progressive changes in corneal curvature in eyes with progressive keratoconus or…
- Conditions
- Keratoconus, Ectasia, Corneal Ectasia
- Trial name
- NCT01325298
- Testing
- UV-X Light, Riboflavin
- Where
- United States
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Mercy Center for Corrective Eye Surgery
Keratoconus, Corneal Ectasia
Corneal Tomographic Parameters in TGD
The current study involved analysis of the corneal tomographic parameters of patients with thyroid gland dysfunction (hyperthyroidism or hypothyroidism), including those with an autoimmune etiology, in comparison to healthy…
- Conditions
- Keratoconus, Corneal Ectasia, Thyroid Eye Disease
- Trial name
- NCT04433936
- Testing
- Pentacam tomography
- Where
- Egypt
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Ameera Gamal Abdelhameed
Keratoconus
Treatment of Keratoconus Using Collagen Cross-Linking
The purpose of this study is to determine the effectiveness of collagen cross-linking in the cornea in halting the progression and possibly partially reversing the effects of keratoconus.
- Trial name
- NCT00841386
- Testing
- Riboflavin-5-phosphate
- Where
- 2 sites in United States
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- University at Buffalo
Corneal Ectasia Disorders Including Keratoconus
The Effects of Corneal Collagen Cross-linking
The corneal collagen cross-linking treatment has been used with increasing success to treat corneal dystrophies such as "keratoconus." Recent advances have allowed different techniques for performing this cross-linking treatment.
- Trial name
- NCT01708538
- Testing
- CXL
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- Rush Eye Associates
Cornea; Ectasia, Refractive Errors
Corneal Elastography and Patient Specific Modeling
The goal of this research is to develop measurement tools and simulation technology for characterizing and predicting individual responses to corneal treatments and for advancing understanding of corneal ectasia risk factors.
- Conditions
- Cornea; Ectasia, Refractive Errors, Keratoconus
- Trial name
- NCT03030755
- Testing
- Optical coherence tomography
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- The Cleveland Clinic
Keratoconus; Post-Refractive Ectasia
Retrospective Study of Corneal Tissue Addition Keratoplasty for Keratoconus and Post-Refractive Ectasia
This retrospective, multi-center observational study evaluates clinical outcomes in patients with keratoconus or post-refractive ectasia who previously underwent Corneal Tissue Addition Keratoplasty (CTAK) as part of routine…
- Trial name
- NCT07905079
- Testing
- Corneal Tissue Addition Keratoplasty (CTAK)
- Where
- 5 sites in United States
- Volunteers
- 61 people
- Sponsor
- Corneagen LLC
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
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, 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, 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
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
Progressive Keratoconus, Corneal Ectasia
Corneal Collagen Cross-Linking for the Treatment of Progressive Keratoconus and Corneal Ectasia
Prospective, randomized, single site study to determine the safety and effectiveness of performing corneal collagen cross-linking (CCCL)using riboflavin and UVA light in eyes with corneal ectasia or progressive keratoconus.
- Trial name
- CL (NCT00567671)
- Testing
- Corneal collagen
- Where
- United States
- Volunteers
- 160 people
- Sponsor
- Emory University
Keratoconus, Ectasia
Safety and Effectiveness of Corneal Crosslinking (CXL): Keratoconus and Post-Refractive Ectasia
This prospective, randomized study is being conducted to evaluate the safety and effectiveness of corneal cross-linking (CXL) in patients with keratoconus or post-refractive ectasia (post-LASIK or PRK) utilizing two techniques…
- Trial name
- CXL (NCT03080077)
- Testing
- Ricrolin+, Epi-Off
- Where
- United States
- Volunteers
- 8 people
- Sponsor
- Icahn School of Medicine at Mount Sinai
Keratoconus, Eye Diseases
Development of a Keratoconus Detection Algorithm by Deep Learning Analysis and Its Validation on Eyestar Images
Monocentric clinical study to develop an imaging analysis algorithm for the Eyestar 900 to identify keratoconus corneas and improve biometry for intraocular lens calculations
- Conditions
- Keratoconus, Eye Diseases, Cataract, Corneal Ectasia
- Trial name
- DKDA (NCT04763785)
- Testing
- Corneal tomography with Eyestar 900, Corneal tomography with Pentacam, Biometry with IOL-Master
- Where
- Switzerland
- Volunteers
- 4,800 people, healthy volunteers welcome
- Sponsor
- Insel Gruppe AG, University Hospital Bern