Clinical trials: Keratoconus
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
Keratoconus, Corneal Ectasia
Corneal Crosslinking for Treatment of Progressive Keratoconus or Corneal Ectasia
This randomized study compares 2 variations of corneal crosslinking for treatment of keratoconus or corneal ectasia.
- Trial name
- NCT07841470
- Testing
- Riboflavin 0.1% ophthalmic solution and pulsed light, Riboflavin 0.1% ophthalmic solution and non-pulsed light
- Where
- United States
- Volunteers
- 500 people
- Sponsor
- Price Vision Group
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, Stable
Perceptual Learning Improve Visual Function in Patients With Keratoconus
This project aims at non-progressive keratoconus patients with unsatisfactory visual acuity corrected by spectacles, and explores the effectiveness and maintenance of visual acuity improved by perceptual learning.
- Trial name
- KPL (NCT05220904)
- Testing
- spectacles, perceptual learning
- Where
- China
- Volunteers
- 35 people
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Keratoconus
Dextenza Versus Topical Steroid Eye Drops for Postoperative Management Following Corneal Crosslinking
This study aims to compare the use of Dextenza, an FDA-approved intracanilular drug-eluting insert that is designed to deliver a tapered dose of dexamethasone to the ocular surface for 30 days, to the standard of care, or the use…
- Trial name
- NCT06235567
- Testing
- Dextenza 0.4Mg Ophthalmic Insert, topical prednisolone acetate 1% (PredForte) eye drops
- Where
- 3 sites in United States
- Volunteers
- 20 people
- Sponsor
- Maanasa Indaram, MD
Keratoconus
Epithelium-On Corneal Cross-linking in Subjects 8 to 45 Years of Age With Keratoconus
A Multicenter, Randomized, Double-Masked, Sham-Controlled, Parallel-Group Phase 3 Study to Evaluate the Efficacy and Safety of Epithelium-On Corneal Cross-linking in Subjects 8 to 45 Years of Age With Keratoconus
- Trial name
- Apricity-A (NCT06100939)
- Testing
- Riboflavin and Sodium Iodide solution and Ultraviolet-A treatment
- Where
- 13 sites in United States
- Volunteers
- 396 people
- Sponsor
- Epion Therapeutics
Keratoconus
Epithelium-On Corneal Cross-linking in Subjects 8 to 45 Years of Age With Keratoconus
A Multicenter, Randomized, Double-Masked, Sham-Controlled, Parallel-Group Phase 3 Study to Evaluate the Efficacy and Safety of Epithelium-On Corneal Cross-linking in Subjects 8 to 45 Years of Age With Keratoconus
- Trial name
- Apricity-B (NCT06100952)
- Testing
- Riboflavin and Sodium Iodide solution and Ultraviolet-A treatment
- Where
- 12 sites in United States
- Volunteers
- 398 people
- Sponsor
- Epion Therapeutics
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
Evaluate the Safety and Feasibility of Same-Day Bilateral Epithelium-On Corneal Cross-Linking for Keratoconus
Clinical trial to evaluate the safety and feasibility of corneal cross-linking in both eyes on the same day in subjects with keratoconus.
- Trial name
- NCT07629557
- Testing
- Riboflavin Ophthalmic Solutions, UV-A Irradiation System
- Where
- United States
- Volunteers
- 15 people
- Sponsor
- Glaukos Corporation
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
Validation Study on Eye Rubbing Questionnaire in Patients With or Suspected of Having a Keratoconus (KC)
KC is a degenerative disorder of the cornea. Keratoconus etiopathogenesis remains unclear and may rely on environmental and genetic factors.
- Trial name
- QFK (NCT04517903)
- Testing
- eye rubbing questionnaire
- Where
- 8 sites in France
- Volunteers
- 292 people
- Sponsor
- University Hospital, Bordeaux
Keratoconus
Clinical and Subclinical Keratoconus Cohort Study
The pathogenesis of keratoconus remains unclear, and its natural course has yet to be fully understood. For non-progressive patients and post-surgical cases, clinical management primarily involves follow-up observation, with…
- Trial name
- NCT07553832
- Where
- China
- Volunteers
- 421 people
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Keratoconus
The Homburg Keratoconus Center (HKC)
Aim of this study is to conduct longitudinal and cross-sectional analyses about the corneal ectatic disease Keratoconus based on data obtained from Keratoconus patients in the Homburg Keratoconus Center (HKC).
- Trial name
- NCT03923101
- Testing
- Topographic, tomographic and biomechanical analysis.
- Where
- Germany
- Volunteers
- 5,000 people
- Sponsor
- Universität des Saarlandes
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
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
Down Syndrome (DS), Keratoconus
Compassionate Use Study of Epi-ON Corneal Collagen Crosslinking Performed Using UVA Exposure on Eyes With Ectatic Corneal Diseases for Subjects With Down Syndrome
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
- Down Syndrome (DS), Keratoconus, Pellucid Marginal Degeneration, Forme Fruste Keratoconus (FFK)
- Trial name
- NCT07135167
- Testing
- Epi-ON corneal cross-linking (CXL)
- Where
- 12 sites in United States
- Volunteers
- 225 people
- Sponsor
- Woolfson Eye Institute
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
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, Cornea Ectasia
Dietary Riboflavin (Vitamin B-2) and Cornea Cross-Linking
Corneal ectasia is characterized by irregularity and thinning of the cornea, causing the cornea to bulge forward and cause distorted vision and impaired visual acuity.
- Trial name
- NCT03095235
- Testing
- Dietary riboflavin
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Missouri-Columbia
Keratoconus, Pellucid Marginal Corneal Degeneration
Safety and Effectiveness of the PXL-Platinum 330 System for Corneal Cross-Linking in Eyes With Corneal Ectasia
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
- Keratoconus, Pellucid Marginal Corneal Degeneration, Corneal Ectasia
- Trial name
- NCT04094090
- Testing
- PXL-330 Platinum device for crosslinking with Peschke riboflavin solution
- Where
- United States
- Volunteers
- 500 people
- Sponsor
- Goodman Eye Center