Clinical trials: Keratoconus, open to volunteers
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
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
Risk Factors and Progression of Keratoconus
Primary objective : Description of keratoconus at baseline and during progression in 200 participants followed by the ophthalmology departments of CHU Montpellier, CHU Bordeaux and CHU Toulouse during a 2-year period.
- Trial name
- FRPK (NCT05676580)
- Testing
- cross-linking surgery or intra corneal ring, abstention
- Where
- France
- Volunteers
- 200 people
- Sponsor
- University Hospital, Montpellier
Keratoconus
INTACS (Intrastromal Corneal Ring Segments) For Corneal Ectasia
To join established study put on by Addition Technologies, Inc. in the surgical implantation of asymmetrical INTACS segments to treat myopia and astigmatism in patients with keratoconus.
- Trial name
- INTACS (NCT02512432)
- Testing
- INTACS
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- University of California, San Diego
Keratoconus
Placebo-controlled Study to Evaluate the Safety and Efficacy of GLK-221 Ophthalmic Solution in Subjects With Keratoconus
Multi-center, parallel-group, placebo-controlled trial designed to assess the safety and efficacy of twice-daily topically administered GLK-221 Ophthalmic Solution in subjects with keratoconus.
- Trial name
- NCT07400952
- Testing
- GLK-221 Ophthalmic Solution
- Where
- United States
- Volunteers
- 100 people
- Sponsor
- Glaukos Corporation
Corneal Topography, Dry Eye Syndromes
Performance Evaluation of the OCUTOP Hand-held Corneal Topographer
The OCUTOP is a new hand-held camera that photographs the front of the eye to map the shape of the cornea and to assess the tear film.
- Conditions
- Corneal Topography, Dry Eye Syndromes, Keratoconus, Healthy Volunteers
- Trial name
- OCUTOP (NCT07895849)
- Testing
- OCUTOP hand-held corneal topographer with OCUGRAPH software, Reference instrument measurement (corneal topography and tear-film assessment)
- Where
- 2 sites in United Kingdom
- Volunteers
- 150 people, healthy volunteers welcome
- Sponsor
- University of Plymouth
Keratoconus, Keratoconus, Unstable
Corneal Biomechanical Analysis Using Brillouin Microscopy
The objective of this study is to measure the Brillouin biomechanical properties in keratoconic corneas and characterize biomechanical alterations that occur after corneal procedures that inherently strengthen or weaken the…
- Conditions
- Keratoconus, Keratoconus, Unstable, Keratoconus, Stable
- Trial name
- NCT04598932
- Testing
- Brillouin microscopy
- Where
- United States
- Volunteers
- 220 people
- Sponsor
- The Cleveland Clinic
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, High Myopia
Anterior Segment and Corneal Parameters in Keratoconus and High Myopic Astigmatism Using Schiempflug Imaging
The purpose of this study was to compare Scheimpflug corneal tomography findings in keratoconus and high myopic astigmatic eyes, as well as to establish the parameters distinguishing keratoconus from high myopic astigmatism.
- Trial name
- NCT06739018
- Testing
- pentacam scheimpflug tomography
- Where
- 2 sites in Egypt
- Volunteers
- 66 people
- Sponsor
- Assiut University
Keratoconus
Simultaneous pHototherapeutic Keratectomy and corneAl Collagen cRosslinking in Eyes With Keratoconus: a Randomized Trial (SHARK)
The goal of this clinical trial is to compare CXL with combined treatment with CXL and t-PTK. The main questions it aims to answer are whether combined treatment can give better visual acuity and if the treatments are equally…
- Trial name
- NCT06264024
- Testing
- Corneal collagen cross linking (CXL), Transepithelial phototherapeutic keratectomy (t-PTK)
- Where
- Norway
- Volunteers
- 81 people
- Sponsor
- Oslo University Hospital
Keratoconus
Donors Predisposed by Corneal Collagen Cross-linking in Deep Lamellar Keratoplasty for the Patients With Keratoconus
The Study was designed as a randomized controlled study with the following objectives: To investigate whether use of donors predisposed by corneal collagen cross-linking (CXL) reduced myopic refractive errors for keratoconic eyes…
- Trial name
- NCT05905978
- Testing
- Corneal donors predisposed by CXL, Corneal donors stored in corneal storage media
- Where
- China
- Volunteers
- 70 people
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Keratoconus
Assessing Patient Engagement in Keratoconus Clinical Research
This study aims to investigate the influences behind patient choices regarding involvement, discontinuation, or re-engagement in keratoconus clinical trials.
- Trial name
- NCT06288737
- Where
- United States
- Volunteers
- 500 people
- Sponsor
- Power Life Sciences Inc.
Keratoconus
Intacs Prescription Inserts for Keratoconus Patients
The US food and Drug Administration (FDA) originally approved INTACS prescription inserts in April 1999 for the correction of low levels of nearsightedness (-1.00 to -3.00 diopters).
- Trial name
- NCT02138669
- Testing
- Intacs
- Where
- United States
- Volunteers
- 25 people
- Sponsor
- University of Texas Southwestern Medical Center
Keratoconus, Irregular; Contour of Cornea
Scleral Lens Fitting Using Wide-Field OCT
The purpose of this study is to see if OCT technology can optimize scleral contact lens fittings. Subjects with keratoconus, post-penetrating keratoplasty (PK), post-LASIK ectasia, post-radial keratotomy (RK), or a variety of…
- Trial name
- NCT04570020
- Where
- United States
- Volunteers
- 258 people
- Sponsor
- Oregon Health and Science University
Keratoconus, Presbyopia
Proof-of-Concept for a Novel Optical Aperture Contact Lens in Presbyopia and Keratoconus
The purpose of this clinical study is to evaluate the effectiveness of the NOA lens, a custom-made scleral contact lens developed by Azalea Vision BV, in improving visual quality for individuals with keratoconus and presbyopia.
- Conditions
- Keratoconus, Presbyopia, Scleral Contact Lenses, Pinhole
- Trial name
- NOA (NCT07559188)
- Testing
- NOA lens type 1, NOA lens type 2
- Where
- 2 sites in Belgium, Netherlands
- Volunteers
- 16 people
- Sponsor
- Azalea Vision
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
Tomography
UNITY DX Cornea Study
The purpose of this study is to validate the clinical measurement performance of an investigational biometer. Subjects will undergo multiple measurements of the eye, and the agreement, repeatability, and reproducibility of…
- Trial name
- NCT07768735
- Testing
- UNITY DX, ANTERION
- Where
- United States
- Volunteers
- 110 people, healthy volunteers welcome
- Sponsor
- Alcon Research
Retinitis Pigmentosa, Maculopathy, Age Related
High Resolution, High-speed Multimodal Ophthalmic Imaging
Knowledge of the pathogenesis of ocular conditions, a leading cause of blindness, has benefited greatly from recent advances in ophthalmic imaging.
- Conditions
- Retinitis Pigmentosa, Maculopathy, Age Related, Macular Dystrophy, Macular Edema
- Trial name
- IMA-MODE (NCT04129021)
- Testing
- High-resolution retinal imaging through adaptive optics, High-resolution retinal imaging through holographic systems
- Where
- France
- Volunteers
- 1,200 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier National d'Ophtalmologie des Quinze-Vingts
Keratoconus
The Collagen Factors of Rapid Progression of Keratoconus in Children.
The purpose of this observational study was to understand the differences in clinical features and mechanisms of keratoconus between children and adults.
- Trial name
- KCLD (NCT06722937)
- Testing
- Observation
- Where
- China
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Corneal Ectasia, Corneal Disease
Dresden Corneal Disease and Treatment Study
The purpose of this study is long-term follow up of patients with corneal diseases to analyze the quality of surgical interventions and diagnosis.
- Conditions
- Corneal Ectasia, Corneal Disease, Corneal Astigmatism, Keratoconus
- Trial name
- NCT04251143
- Testing
- corneal cross-linking, corneal topography and tomography
- Where
- Germany
- Volunteers
- 700 people
- Sponsor
- Technische Universität Dresden