Clinical trials: Grafting, Corneal
Corneal Transplantation, Graft Rejection
Collaborative Corneal Transplantation Studies (CCTS)
To determine whether histocompatibility matching of corneal transplant donors and recipients can reduce the incidence of graft rejection in high-risk patients.
- Trial name
- NCT00000137
- Testing
- Histocompatibility Matching
- Sponsor
- National Eye Institute (NEI)
Corneal Transplantation
Prospective Study of Deep Anterior Lamellar Keratoplasty Using Acellular Porcine Cornea
The performance of keratoplasty is hampered by the limited availability of donor cornea in many countries, especially in Asia. For this reason, attempts have been made to fabricate artificial substitutes for natural human cornea.
- Trial name
- NCT03105466
- Testing
- Deep anterior lamellar keratoplasty, Acellular Porcine Cornea, Tacrolimus eye drops
- Where
- China
- Volunteers
- 50 people
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Corneal Transplantation
Pretreatment to Promote Graft Survival After Subsequent High-risk Corneal Transplantation [CrossCornealVision]
The trial evaluates the effect of corneal crosslinking as pre-treatment before corneal transplantation. The goal is to improve graft survival by reducing pathological vessels through pre-treatment.
- Trial name
- NCT05870566
- Testing
- Corneal Crosslinking
- Where
- 7 sites in Germany
- Volunteers
- 110 people
- Sponsor
- Claus Cursiefen
Corneal Neovascularization, Corneal Graft Failure
Safety and Efficacy of Bevacizumab in High-Risk Corneal Transplant Survival
The leading risk factor for corneal transplant rejection is abnormal blood vessel growth of the host bed. Vascular endothelial growth factor (VEGF) is thought to be a mediator of this corneal neovascularization (NV), therefore we…
- Trial name
- NCT01072357
- Testing
- Avastin® (bevacizumab), 0.9% NaCl & Refresh Liquigel
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- Reza Dana, MD
Corneal Graft Rejection, CD160
CD160 Expression in Corneal Vessels
Despite improvements in corneal transplantation, anti-angiogenic and anti-lymphangiogenic factors remain to be be identified. CD160 is an anti-angiogenic target: its expression seems to be restricted to some immune cells and to…
- Conditions
- Corneal Graft Rejection, CD160, Angiogenesis, Lymphangiogenesis
- Trial name
- NCT05009407
- Testing
- Immunohistochemistry and clinical analyses on patients and corneas
- Where
- France
- Volunteers
- 43 people
- Sponsor
- CHU de Reims
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
Fuchs Endothelial Corneal Dystrophy, Corneal Endothelial Decompensation
Effect of Donor Diabetes and Other Factors on Corneal Transplant Endothelial Cell Loss and Success at 5 Years
This multi-center clinical trial is designed to assess the association of diabetes in a cornea donor with transplant success and loss of endothelial cells 5 years following Descemet membrane endothelial keratoplasty (DMEK).
- Trial name
- DEKS (NCT07217249)
- Testing
- Descemet membrane endothelial keratoplasty
- Where
- 14 sites in United States
- Volunteers
- 570 people
- Sponsor
- Case Western Reserve University
Glycerin Cryopreserved Acellular Corneal Tissue, Deep Anterior Lamellar Keratoplasty
Deep Anterior Lamellar Keratoplasty (DALK) Using Acellular Corneal Tissue Promotes Corneal Allograft Survival in High Risk Patients
The purpose of this study is to study whether deep anterior lamellar keratoplasty (DALK) using acellular tissue will promote corneal graft survival in high risk patients.
- Conditions
- Glycerin Cryopreserved Acellular Corneal Tissue, Deep Anterior Lamellar Keratoplasty, High Risk Keratoplasty
- Trial name
- NCT01021046
- Testing
- DALK using GCCT, DALK using FCT
- Where
- China
- Volunteers
- 78 people
- Sponsor
- Wenzhou Medical University
Corneal Perforation
Role of AS-OCT in Assessment of Corneal Perforation
Assessment of healing of thin and perforated cornea after surgical treatment by anterior segment optical coherence tomography
- Trial name
- OCT (NCT06422897)
- Testing
- anterior segment optical coherence tomography
- Where
- Egypt
- Volunteers
- 13 people
- Sponsor
- Minia University
Artifical Intelligence, Cataract
Development of a Mobile Terminal-Based Intelligent Detection System for Multiple Anterior Segment Diseases of the Eye
This is a multi-center, cross-sectional study evaluating a smartphone-based artificial intelligence (AI) system for anterior segment eye disease screening.
- Conditions
- Artifical Intelligence, Cataract, Pterygium, Keratopathy
- Trial name
- LENS (NCT07634913)
- Testing
- Smartphone-based on-device artificial intelligence system for anterior segment eye disease screening
- Where
- China
- Volunteers
- 3,000 people, healthy volunteers welcome
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Limbal Dermoid
Visual Quality and Contrast Sensitivity Function for Limbal Dermoid Children After Corneal Transplantation
This study is to inquiry the contrast sensitivity function in the 50 eyes of limbal dermoid children with keratoplasty with quick contrast sensitivity function (quick CSF) test, as well asa to analyze its relationship between…
- Trial name
- NCT03447041
- Where
- China
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Corneal Transplant Failure
ExCrossV Multi Site Trial for Vascularized High Risk Keratoplasty
The main objective of this study is to determine the safety of Ex Vivo Cross Linking (CXL) of donor corneal tissue in participants who have undergone high-risk penetrating keratoplasty.
- Trial name
- ExCrossV (NCT06753916)
- Testing
- Corneal Donor Tissue with Cross Linking, Corneal Donor Tissue without Cross Linking
- Where
- 12 sites in United States
- Volunteers
- 96 people
- Sponsor
- Massachusetts Eye and Ear Infirmary
Corneal Transplantation
Comparative Study of Two Corneal Graft Storage Media: New Animal Compound Free Medium Versus Reference Medium
At present, all commercially available corneal organ culture media contain foetal calf serum (FCS) and sometimes other compounds extracted from animals.
- Trial name
- NCT01694914
- Testing
- corneal graft
- Where
- 4 sites in France
- Volunteers
- 122 people
- Sponsor
- Centre Hospitalier Universitaire de Saint Etienne
Corneal Neovascularization, Corneal Graft Failure
A Multi-Center Study of the Safety and Efficacy of Bevacizumab in High-Risk Corneal Transplant Survival
The goal of this study is to investigate whether using bevacizumab (Avastin®) is both safe and effective at decreasing the likelihood of a high-risk corneal graft rejection.
- Trial name
- NCT01996826
- Testing
- Avastin® (bevacizumab), 0.9% NaCl & Refresh Liquigel
- Where
- 3 sites in United States
- Volunteers
- 75 people
- Sponsor
- Reza Dana, MD
Fuch's Endothelial Dystrophy, Pseudophakic Bullous Keratopathy
Comparison of Corneal Grafts Cultured in Serum-free Versus Corneal Grafts Cultured in Serum Supplemented Culture Media
The goal of this clinical trial is to compare the quality of corneal grafts cultured in a serum-free culture medium with a defined composition versus corneal grafts cultured in a standard serum supplemented culture medium…
- Trial name
- SFM (NCT00623584)
- Testing
- Corneal transplantation
- Where
- 2 sites in Germany
- Volunteers
- 60 people
- Sponsor
- Klinikum Chemnitz gGmbH
Healthy Individuals, Diabetes
Heidelberg In Vivo Confocal Microscopy to Evaluate the Ocular Surface Disorders of Healthy and Diseased Individuals
In vivo confocal microscopy (IVCM) has been used in clinical settings for more than 25 years, and is noninvasive, rapid and easily repeatable technique to investigate ocular surface disorders.
- Conditions
- Healthy Individuals, Diabetes, Hypertension, Fabry Disease
- Trial name
- NCT04025801
- Where
- Taiwan
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Chronic Graft-versus-host Disease
Safety and Efficacy Study of R932348 Ophthalmic Solution in Chronic Ocular Graft Versus Host Disease Patients(DROPS-2)
To assess the efficacy of R348 Ophthalmic Solutions administered for 12 weeks to subjects evaluated by objective and subjective measures.
- Trial name
- DROPS-2 (NCT02040623)
- Testing
- R348 Ophthalmic Solution, 0.2%, R348 Ophthalmic Solution, 0.5%
- Where
- 2 sites in United States
- Volunteers
- 35 people
- Sponsor
- Rigel Pharmaceuticals
Corneal Transplant Rejection
Risk Factors for Human Corneal Graft Failure : a Monocentric Retrospective Observational Cohort
Keratoplasty is one of the most common grafts and penetrating keratoplasty is still the technique most used in the world, ahead of lamellar grafts, and is estimated to represent 70% of the total.
- Trial name
- NCT04791696
- Where
- France
- Volunteers
- 200 people
- Sponsor
- University Hospital, Montpellier
Fuchs Endothelial Corneal Dystrophy
Targeting Reactive Oxygen Species Production as a Novel Therapeutic in Fuch's Endothelial Corneal Dystrophy
This protocol will investigate whether topical application of N-acetyl cysteine (NAC) eye drops decreases oxidative stress and confers cytoprotection in patients with FECD.
- Trial name
- NCT04440280
- Testing
- N-acetyl cysteine (NAC) 10% solution, N-acetyl cysteine (NAC) 20% solution, Visine Dry Eye Relief eye drops
- Where
- United States
- Volunteers
- 45 people
- Sponsor
- Massachusetts Eye and Ear Infirmary