Clinical trials: Corneal Cross-Linking
Keratoconus
Safety Study of the VEGA UV-A System to Treat Keratoconus
The purpose of this research study is to test the safety, tolerability, and effectiveness of corneal collagen cross-linking (CXL), when used to treat keratoconus.
- Trial name
- NCT01190306
- Testing
- The VEGA UV-A Illumination System, Riboflavin
- Where
- 9 sites in United States
- Volunteers
- 127 people
- Sponsor
- Topcon Medical Systems, Inc.
Keratoconus
Safety and Efficacy Study of Corneal Collagen Cross-Linking in Eyes With Keratoconus
The objectives of this study are to evaluate the safety and efficacy of corneal collagen cross-linking performed with VibeX (riboflavin ophthalmic solution) and the KXL System as compared to placebo in impeding the progression…
- Trial name
- NCT01344187
- Testing
- riboflavin solution, KXL System
- Where
- 10 sites in United States
- Volunteers
- 236 people
- Sponsor
- Glaukos Corporation
Keratoconus and Ectasia
Safety and Effectiveness Study of the VEGA UV-A System for Cross-linking in Eyes With Keratoconus and Ectasia
The purpose of this research study is to evaluate the long tern safety and effectiveness of cross-linking in eyes with keratoconus and ectasia.
- Trial name
- NCT01398852
- Testing
- Riboflavin, VEGA UV-A Illumination System
- Where
- 13 sites in United States
- Volunteers
- 500 people
- Sponsor
- Topcon Medical Systems, Inc.
Keratoconus, Ectasia
Higher Irradiance in Keratoconus Ectasia
The purpose of the study is to see if brighter lights will allow for shortening of the treatment time required to stabilize the eyes of patients with keratoconus or a bulging cornea.
- Trial name
- NCT01789333
- Testing
- UVA Light with irradiance exposure of 9 mW/cm2, Riboflavin 0.1% ophthalmic solution
- Where
- United States
- Sponsor
- Stephen Trokel
Keratoconus
German Corneal Cross Linking Register
Corneal Cross Linking is new treatment modality for patients with keratoconus. A keratoconus is characterized by progressive bulging and thinning of the eye's cornea.
- Trial name
- NCT00560651
- Testing
- CCL (Corneal Cross Linking)
- Where
- 2 sites in Germany
- Volunteers
- 356 people
- Sponsor
- Suphi Taneri
Keratoconus
Safety and Efficacy Study of Corneal Collagen Cross-Linking in Eyes With Keratoconus
The objectives of this study are to evaluate the safety and efficacy of corneal collagen cross-linking performed with VibeX (riboflavin ophthalmic solution) and the KXL System as compared to placebo in impeding the progression…
- Trial name
- NCT01643226
- Testing
- riboflavin solution, KXL System
- Where
- 8 sites in United States
- Volunteers
- 230 people
- Sponsor
- Glaukos Corporation
Keratoconus
One-Year Outcomes After Conventional vs Accelerated Epi-Off Corneal Cross-Linking in Progressive Keratoconus (Observational Cohort)
Prospective, observational (consecutive eligible eyes) continuation of a previously published 6-month cohort from the same center, extending follow-up to 12 months.
- Trial name
- KCXL-1Y (NCT07194538)
- Where
- Croatia
- Volunteers
- 20 people
- Sponsor
- Clinical Hospital Centre Zagreb
Accelerated Corneal Collagen Cross Linking
Assessment of Corneal Endothelium After Collagen Cross Linking
The aim of this study is to assess the effect of accelerated corneal collagen cross linking on corneal endothelium using the specular microscopy
- Trial name
- CXL (NCT04160338)
- Testing
- specular microscopy
- Volunteers
- 25 people
- Sponsor
- Assiut University
Keratoconus, Ectasia
Corneal Collagen Cross-Linking (CXL) Performed With "Epi-ON" Versus "Epi-OFF" in Eyes With Keratoconus and Other Corneal Ectatic Disorders
This is a prospective, randomized, single investigative site study to compare the safety and effectiveness of Epi-OFF CXL treatment (performed using Ricrolin+ and VEGA UV-A system) compared to Epi-ON CXL (performed using…
- Trial name
- NCT03858036
- Testing
- Ricrolin+, VEGA UV-A system
- Where
- United States
- Volunteers
- 550 people
- Sponsor
- Center for Sight, Sacramento, CA
Progressive Keratoconus
Safety and Effectiveness of the UV-X System for Corneal Collagen Cross-Linking for Compassionate Treatment in Pediatric Patients With Progressive Keratoconus
This is a compassionate treatment protocol for the use of the UV-X system for corneal collagen cross-linking (CXL) in eyes with progressive keratoconus in patients who have conditions that limit their capacity to comply with the…
- Trial name
- CXL (NCT00925327)
- Testing
- Corneal collagen cross-linking with riboflavin/UVA light
- Where
- United States
- Volunteers
- 7 people
- Sponsor
- Peschke Meditrade, GmbH
Keratoconus
Study of the Safety and Effectiveness of Photochemically Induced Collagen Cross-Linking in Eyes With Keratoconus.
This study is being conducted to assess the safety and effectiveness of photochemically induced collagen cross- linking (CCL) at irradiance of 18mW/cm2 in eyes with Keratoconus and Ecstasia.
- Trial name
- NCT02762253
- Testing
- Riboflavin drops
- Where
- 11 sites in United States
- Volunteers
- 320 people
- Sponsor
- Nvision Laser Eye Centers
Keratoconus, Collagen
Effect of Epi-Off Technique Corneal CXL On Endothelial Count by Specular Microscopy in Keratoconus Patients
Determine safety of EPi-off CXL on corneal endothelium by using specular specular microscopy to assess endothelial count.
- Trial name
- NCT05717673
- Testing
- Specular microscopy
- Where
- Egypt
- Volunteers
- 30 people
- Sponsor
- Heba Allah Nashaat Mohamed
Keratoconus, Pellucid Marginal Corneal Degeneration
Safety & Effectiveness of the PXL-Platinum 330 System for CXL Using Riboflavin Solution
Safety and Effectiveness of the PXL-Platinum 330 System for Corneal Collagen Cross-linking in Eyes With Corneal Thinning Conditions
- Conditions
- Keratoconus, Pellucid Marginal Corneal Degeneration, Corneal Degeneration, Corneal Ectasia
- Trial name
- NCT04667572
- Testing
- PXL-330 Platinum device for crosslinking with Peschke riboflavin solution
- Where
- United States
- Volunteers
- 249 people, healthy volunteers welcome
- Sponsor
- Cornea Associates of Texas
Infectious Keratitis, Bacterial Keratitis
Collagen Cross-linking in Infectious Keratitis Trial
The purpose of this study is to evaluate the efficacy of collagen cross-linking for treatment of infectious keratitis.
- Conditions
- Infectious Keratitis, Bacterial Keratitis, Fungal Keratitis
- Trial name
- NCT01831206
- Testing
- Collagen cross-linking
- Where
- Thailand
- Volunteers
- 30 people
- Sponsor
- Chulalongkorn University
Corneal Ectasia
Safety and Efficacy Study for Corneal Collagen Cross-Linking in Eyes With Corneal Ectasia After Refractive Surgery
The objectives of this study are to evaluate the safety and efficacy of corneal collagen cross-linking performed with VibeX (riboflavin ophthalmic solution) and the KXL System as compared to placebo in impeding the progression…
- Trial name
- NCT01643252
- Testing
- riboflavin: 0.12% riboflavin ophthalmic solution with the KXL system
- Sponsor
- Glaukos Corporation
Ectasia
Corneal Collagen Cross-Linking for Ectasia (CXL)
Prospective, randomized multicenter study to determine the safety and effectiveness of performing corneal collagen cross-linking (CXL) using riboflavin and UVA light in eyes with ectasia after refractive surgery.
- Trial name
- CXL (NCT00674661)
- Testing
- riboflavin ophthalmic solution, UVA Irradiation
- Where
- 10 sites in United States
- Volunteers
- 130 people
- Sponsor
- Glaukos Corporation
Keratoconus
Preoperative Corneal Measurements Estimate the Corrected Distance Visual Acuity After Corneal Cross-linking
This study aims to determine if objective markers describing corneal optical density (COD), thinnest corneal thickness (TCT), anterior (ARC), and posterior (PRC) surface radii over the 3mm thinnest region of the cornea could…
- Trial name
- NCT06522789
- Testing
- corneal cross-linking procedure
- Where
- North Macedonia
- Volunteers
- 124 people, healthy volunteers welcome
- Sponsor
- Sistina Ophthalmology Hospital
Keratoconus
McNeel Eye Center Corneal Crosslinking Study
This study will investigate the effectiveness in treating keratoconus, pellucid marginal degeneration and post LASIK iatrogenic ectasia utilizing fluence rates and treatment times of Corneal Cross Linking other than the original…
- Trial name
- NCT02921009
- Testing
- Crosslinking using UV light of two different fluence rates
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- McNeel Eye Center
Keratoconus, Corneal Diseases
Collagen Cross-Linking With Ultraviolet-A in Asymmetric Corneas
This study will assess changes in visual acuity and corneal symmetry after corneal collagen cross-linking (CXL) of asymmetric corneas.
- Conditions
- Keratoconus, Corneal Diseases, Eye Diseases, Photosensitizing Agents
- Trial name
- NCT03029104
- Testing
- CXLO Corneal Strengthening Solution and UVA Illumination Device
- Where
- 9 sites in United States
- Volunteers
- 2,228 people
- Sponsor
- Cxlusa
Keratoconus
Effectiveness and Safety of Corneal Collagen Cross Linking After Induction of Stromal Emphysema in Keratoconus
in this study we evaluated the effectiveness and safety of corneal collagen cross-linking in keratoconic eyes with thin cornea after induction of stromal emphysema prior to riboflavin instillation and UV-A corneal irradiation
- Trial name
- NCT07426029
- Testing
- Corneal collagen cross-linking with induction of corneal stromal emphysema
- Where
- Egypt
- Volunteers
- 39 people
- Sponsor
- Cairo University