Clinical trials: Cornea
Trachoma
Impact of Water and Health Education Programs on Trachoma and Ocular C. Trachomatis in Niger
There are no specific trials addressing the benefit of water provision and health education on prevalence of trachoma and infection with ocular Chlamydia trachomatis over time, despite considerable effort to provide water…
- Trial name
- NCT00348478
- Testing
- water and health education program to improve hygiene
- Where
- United States
- Volunteers
- 720 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Keratoconus
Topography Versus Non-Topography-Guided PRK With CXL in Keratoconus
To our knowledge, this study is one of the first to compare the visual results of non-topography-guided and topography-guided photorefractive keratectomy (PRK) applying sequential and simultaneous corneal cross-linking (CXL)…
- Trial name
- keratoconus (NCT03890718)
- Testing
- Photorefractive keratectomy in mile keratoconus
- Where
- Iran
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Shahid Beheshti University
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
The Role of Antioxidant Supplementation in Keratoconus Patients
Keratoconus is the most common primary cornea ectasia, where the cornea undergoes structural changes, leading to loss of tissue integrity and vision loss. The prevalence of Keratoconus is 1:2000 in the general population.
- Trial name
- NCT02827747
- Testing
- Antioxidants (Vitamins A,C,E) plus GSH, Centrum, Dietary Sources
- Where
- United States
- Sponsor
- University of Miami
Corneal Disease, Pterygium
Corneal Epithelium Repair and Therapy Using Autologous Limbal Stem Cell Transplantation
Corneal disease is a leading cause of blindness in the world. A shortage of corneal donor tissue has prevented many patients from regaining vision.
- Conditions
- Corneal Disease, Pterygium, Myopia, Hyperopia
- Trial name
- NCT02148016
- Testing
- LSCs and amniotic membrane (Modified Technique), Amniotic membrane only (Traditional Technique), PRK, LSCs, and amniotic membrane (Modified Technique)
- Where
- China
- Volunteers
- 30 people
- Sponsor
- Sun Yat-sen University
Progressive Keratoconus
Safety and Efficacy of Corneal Cross-linking in Subjects With Keratoconus
Clinical Trial to Evaluate the Safety and Efficacy of Corneal Cross-linking in Subjects with Keratoconus.
- Trial name
- NCT05314738
- Testing
- NXL Energy 1, NXL Energy 2, NXL Energy 3
- Where
- 3 sites in United States
- Volunteers
- 150 people
- Sponsor
- Glaukos Corporation
Keratoconus
Epithelial Thickness Map
In keratoconic eyes, the corneal epithelium shows a localized thinning over the cone that is surrounded by an annulus of epithelial thickening.
- Trial name
- NCT04578184
- Testing
- Corneal epithelial thickness measurements
- Where
- Austria
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Vienna Institute for Research in Ocular Surgery
Keratoconus, Healthy Controls
Corneal Thickness Changes With Scleral Contact Lenses
The purpose of this study is to investigate changes in the corneal thickness of scleral contact lens wearers in a keratoconic (KC) population and compare to age-matched controls.
- Trial name
- NCT03249233
- Testing
- ZenLens™, Zen™ RC
- Where
- Canada
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Waterloo
Keratoconjunctivitis Sicca
Study of Rebamipide Eye Drops to Treat Dry Eye
The purpose of this study is to determine the potential safety and effectiveness of rebamipide eye drops, an investigational eye drop being developed for the treatment of keratoconjunctivitis sicca (dry eye).
- Trial name
- NCT00201955
- Testing
- Rebamipide 1%, Rebamipide 2%
- Where
- 60 sites in United States
- Volunteers
- 762 people
- Sponsor
- Otsuka Pharmaceutical Development & Commercialization, Inc.
Keratoconjunctivitis Sicca
An Open-Label Extension of a Phase 3 Study of OTX-101 in the Treatment of Keratoconjunctivitis Sicca
This is a safety extension enrolling subjects participating in Study OTX-101-2016-001 (NCT02688556)
- Trial name
- NCT02845674
- Testing
- OTX-101 0.09%
- Volunteers
- 258 people
- Sponsor
- Sun Pharmaceutical Industries Limited
Keratoconus
The K-Map Study, Global Prevalence of KC
Keratoconus is a ocular disease classified under ectatic diseases which often results in bilateral and asymmetrical corneal distortion. It usually affects patients at young age and can cause severe visual loss.
- Trial name
- NCT03115710
- Testing
- Rotating Scheimpflug camera (Pentacam HR)
- Where
- 12 sites in United States, China and 10 more
- Volunteers
- 20,000 people, healthy volunteers welcome
- Sponsor
- University Hospital, Geneva
Corneal Opacity
Characteristics of Trachomatous Corneal Opacity in Fayoum University Hospital
The purpose of this study is to assess the characteristics of trachomatous corneal opacity in patients with signs of trachoma using Anterior segment Optic coherence tomography and Pentacam
- Trial name
- Trachoma (NCT06000150)
- Testing
- Corneal topography
- Where
- Egypt
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Omar Said
Corneal Neovascularisation
Strategies for Management of Corneal Neovascularisation
The cornea is the transparent window of the eye, which allows light to enter into the eye and also contributes to the focusing of the light rays.
- Trial name
- NCT02594423
- Testing
- Fine Needle Diathermy, Bevacizumab
- Volunteers
- 40 people
- Sponsor
- University of Nottingham
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
Keratoconjunctivitis Sicca
Study of INS365 Ophthalmic Solution in a Controlled Adverse Environment in Patients With Dry Eye
Comparative efficacy trial of INS365 Ophthalmic Solution and placebo in patients with dry eye.
- Trial name
- NCT00037661
- Testing
- INS365 Ophthalmic Solution
- Volunteers
- 222 people
- Sponsor
- Merck Sharp & Dohme LLC
Normal Cornea, Corneal Abnormality
The Heidelberg Engineering ANTERION Corneal Epithelium Thickness Precision and Agreement Study
This is a prospective clinical study that will be conducted at one clinical site located in the United States to assess corneal epithelial thickness parameters with the ANTERION
- Trial name
- NCT05051813
- Testing
- ANTERION
- Where
- United States
- Volunteers
- 151 people, healthy volunteers welcome
- Sponsor
- Heidelberg Engineering GmbH
Viral Keratitis, Blindness Eye
Safety and Efficacy of CRISPR/Cas9 mRNA Instantaneous Gene Editing Therapy to Treat Refractory Viral Keratitis
The purpose of this study is to evaluate the safety, tolerability and efficacy of a single escalating doses of BD111 CRISPR/Cas9 mRNA Instantaneous Gene Editing Therapy administered via corneal injection in participants with…
- Conditions
- Viral Keratitis, Blindness Eye, Herpes Simplex Virus Infection, Cornea
- Trial name
- NCT04560790
- Testing
- BD111 Adult single group Dose
- Where
- China
- Volunteers
- 3 people
- Sponsor
- Shanghai BDgene Co., Ltd.
Fungal Keratitis
Therapeutic Exploratory Study of Comparing Natamycin and Voriconazole to Treat Fungal Corneal Ulcer
We evaluated whether voriconazole is a superior treatment to natamycin for filamentous fungal keratitis in a randomized, masked, controlled trial.
- Trial name
- MUTT_TE (NCT00557362)
- Testing
- Natamycin 5%, Voriconazole, Corneal de-epithelialization
- Where
- 2 sites in India
- Volunteers
- 120 people
- Sponsor
- University of California, San Francisco
Cataract
Wound Architecture and Functional Outcome After Cataract Surgery With Manual vs.Femtosecond Laser Assisted Procedures
This study is the long term analysis of two types of FSL 3-plane corneal wound profiles, namely CT1 and CT2 obtained after a FSL cataract surgery.
- Trial name
- CATALYS (NCT03097562)
- Testing
- Femtosecond cataract surgery
- Where
- Canada
- Volunteers
- 1,123 people
- Sponsor
- Maisonneuve-Rosemont Hospital
Limbal Stem-cell Deficiency
Cultivated Limbal Epithelial Transplantation (CLET) for Limbal Stem Cell Deficiency (LSCD)
CLET is a published treatment for the management of corneal failure due to extensive LSCD. Due to our previous studies on this novel treatment, the regulatory agency of Spain "Agencia Española de Medicamentos y Productos…
- Trial name
- CLET-4-LSCD (NCT03884569)
- Where
- Spain
- Volunteers
- 30 people
- Sponsor
- Instituto Universitario de Oftalmobiología Aplicada (Institute of Applied Ophthalmobiology) - IOBA