Clinical trials: Cornea; Ectasia
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
Myopia, Myopic Astigmatism
Laser In-situ Keratomileusis With Crosslinking Compared to Conventional LASIK in Patients With High Myopia
The objectives of this study are to evaluate the safety and efficacy of a treatment regimen for high myopia and myopic astigmatism: LASIK followed by crosslinking performed with the KXL Crosslinking-System and VibeX Xtra…
- Conditions
- Myopia, Myopic Astigmatism, Crosslinking, Corneal Ectasia
- Trial name
- NCT03913338
- Testing
- LasikXtra, LASIK
- Where
- Germany
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- University Clinic Frankfurt
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
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
Cornea Ectasia Excimer Laser Treatment
To evaluate efficacy, safety, objective and subjective quality of vision after treatment of cornea ectasia with transepithelial topographic guided laser simultaneous Central Corneal Remodeling (CCR) and Cross-linking (CXL).
- Trial name
- NCT04405882
- Testing
- topographic guided trans epithelial excimer laser
- Where
- Italy
- Volunteers
- 8 people
- Sponsor
- Bambino Gesù Hospital and Research Institute
Keratoconus, Ectasia of Cornea
Comparison of Epi-ON Corneal Collagen Crosslinking Performed Using an 18-Minute UVA Exposure vs. a 24-Minute UVA Exposure on Eyes With Ectatic Corneal Diseases
The goal of this clinical trial is to study the effects of an experimental (not Food and Drug Administration (FDA)-approved) treatment called corneal crosslinking (CXL) for conditions in which the cornea becomes progressively…
- Conditions
- Keratoconus, Ectasia of Cornea, Pellucid Marginal Corneal Degeneration, Forme Fruste Keratoconus (FFK)
- Trial name
- NCT07124910
- Testing
- Epi-ON corneal cross-linking
- Where
- 12 sites in United States
- Volunteers
- 485 people
- Sponsor
- Woolfson Eye Institute
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
Corneal Ectasia, Corneal Disease
Computer-aided Diagnosis of Ocular Diseases Based on Corneal Biomechanics
The purpose of this study is the investigation of biomechanical properties of the cornea using computer-aided data analysis. Currently, it is known that keratoconus and glaucoma are ocular disease that are associated with…
- Conditions
- Corneal Ectasia, Corneal Disease, Corneal Astigmatism, Keratoconus
- Trial name
- EyeTwin (NCT04475900)
- Testing
- Corneal biomechanics (Corvis ST, Oculus, Wetzlar, Germany), Corneal topography and tomography (Pentacam, Oculus, Wetzlar, Germany), Optic nerve head measurement
- Where
- Germany
- Volunteers
- 372 people, healthy volunteers welcome
- Sponsor
- Technische Universität Dresden
Keratoconus, Corneal Ectasia
Outcomes of CTAK Surgery
Measuring quality of vision and quality of life outcomes using a validated questionnaire in participants undergoing CTAK surgery for corneal ectasia
- Trial name
- CTAK (NCT07474870)
- Testing
- Questionnaire and Physical Exam
- Where
- United States
- Volunteers
- 100 people
- Sponsor
- Stanford University
Keratoconus, Pellucid Marginal Degeneration
Corneal Cross Linking and Topography Guided Excimer Laser Treatment
Topography guided laser treatment enables the surgeon to correct higher order aberrations in corneas with irregular astigmatism.
- Trial name
- NCT01682993
- Testing
- Topography guided Excimer Laser treatment and Corneal Cross Linking, Corneal Cross Linking
- Where
- Austria
- Volunteers
- 30 people
- Sponsor
- Medical University of Vienna
Keratoconus, Ectasia
Cross-linking of Corneal Collagen (CXL) 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…
- Conditions
- Keratoconus, Ectasia, Degeneration
- Trial name
- NCT01189864
- Testing
- Ciprofloxicin or Vigamox or other., Nonsteroidal (Acular, Acuvail, Voltaren Xibrom, etc), Steroid (FML, Pred Forte, Flarex, etc.)
- Where
- 16 sites in United States
- Volunteers
- 3,493 people
- Sponsor
- Cxlusa
Corneal Ectasia, Keratoconus
KeratoConus Data Acquisition With Topography and Aberrometry
This observational study aims to collect real-world wavefront aberrometry and corneal/scleral topography data from individuals with keratoconus and other corneal ectatic disorders.
- Trial name
- KC-DATA (NCT06859398)
- Testing
- Ocular Topography and Wavefront Aberrometry
- Where
- 2 sites in Belgium, Netherlands
- Volunteers
- 52 people
- Sponsor
- Azalea Vision
Keratoconus, Ectasia
Collagen Cross-Linking for Keratoconus/Ectasia With and Without Intacs
This study will determine the efficacy of collagen cross linking for progressive keratoconus and ectasia after lasik. It will try and determine which is a more effective treatment: collagen cross linking alone or collagen cross…
- Trial name
- NCT01081561
- Testing
- Riboflavin
- Where
- United States
- Volunteers
- 600 people
- Sponsor
- Yaron S. Rabinowitz M.D.
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
Progressive Keratoconus, Corneal Ectasia
Corneal Crosslinking in Keratoconus and Corneal Ectasia
Prospective, randomized, single site to determine the safety and effectiveness of performing corneal collagen cross-linking (CXL) using riboflavin and UVA light in eyes progressive keratoconus or corneal ectasia.
- Trial name
- CXL (NCT00679666)
- Testing
- Riboflavin
- Where
- 2 sites in United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Ohio State University
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, Corneal Ectasia
Safety & Efficacy of Corneal Collagen Cross-Linking in Eyes With Keratoconus or Corneal Ectasia After Refractive Surgery
The objectives of this study are to evaluate and compare the safety and efficacy of three treatment regimens for corneal collagen cross-linking performed with VibeX (riboflavin ophthalmic solution) and the KXL System in impeding…
- Trial name
- NCT01459679
- Testing
- KXL System (15 mW/cm2), KXL System (30 mW/cm2), KXL System (45 mW/cm2)
- Where
- 83 sites in United States, Puerto Rico
- Volunteers
- 1,721 people
- Sponsor
- American-European Congress of Ophthalmic Surgery
Keratoconus, Post-Laser Retinal Condition
Investigator Initiated, Prospective Study of Xenia Corneal Lenticule
Cornea ectatic conditions such as keratoconus and post-LASIK (Laser In situ Keratomileusis) ectasia are disorders of the eye that are notorious for its uncontrolled progression over time, leading to loss of vision.
- Trial name
- NCT04741230
- Testing
- Gebauer Lenticule
- Where
- United Kingdom
- Volunteers
- 15 people
- Sponsor
- The Royal Wolverhampton Hospitals NHS Trust
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, 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