Clinical trials: Transplantation, Cornea
Hyperopia
Hyperopia Correction Using the NTK Optimal Keratoplasty (Opti-K) System
The purpose of this U.S. Clinical Trial on treatment of sighted eyes is to investigate the safety and effectiveness of optimal keratoplasty (Opti-K™) treatments for hyperopia correction using the NTK Enterprises (NTK) Opti-K…
- Trial name
- NCT01028937
- Testing
- Optimal Keratoplasty
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- NTK Enterprises, Inc.
Keratoconus
Comparison of Penetrating Keratoplasty and Deep Lamellar Keratoplasty With the Big Bubble Technique for Keratoconus
it is a randomized clinical trial to compare deep lamellar keratoplasty (DLK) Using big bubble technique and Penetrating Keratoplasty (PK) in patients with keratoconus
- Trial name
- NCT00371202
- Testing
- keratoplasty
- Where
- Iran
- Volunteers
- 50 people
- Sponsor
- Shahid Beheshti University of Medical Sciences
Corneal Dystrophy
Microsurgical Robot-assisted Corneal Transplant
Full-thickness corneal grafting (transfixing keratoplasty) is a tissue graft described at the beginning of the 20th century, which has remained technically unchanged for several decades.
- Trial name
- GRACE (NCT06844123)
- Testing
- Robot-assisted keratoplasty
- Where
- France
- Volunteers
- 10 people
- Sponsor
- CHU de Reims
Keratoconus
Central Versus Peripheral Air Injection for DALK (Deep Anterior Lamellar Keratoplasty)
Different techniques of deep anterior lamellar keratoplasty (DALK) have been introduced to create a uniform recipient bed, thereby reducing complications, such as interface irregularity and opacification encountered with…
- Trial name
- NCT02485951
- Testing
- Central air injection, Peripheral air injection
- Where
- Iran
- Volunteers
- 49 people
- Sponsor
- Shahid Beheshti University of Medical Sciences
Persistent Corneal Epithelial Defects
Efficacy and Safety Study of Nexagon for Persistent Corneal Epithelial Defects
The purpose of this study is to evaluate the efficacy and safety of Nexagon® in subjects with persistent corneal epithelial defects (PED) resulting from corneal epithelial debridement during diabetic vitrectomy surgery, HSV…
- Trial name
- NTX-PED-001 (NCT01165450)
- Testing
- Nexagon, Vehicle only
- Volunteers
- 2 people
- Sponsor
- University of California, San Francisco
Limbal Insufficiency, Symblepharon
The Application of Oral Mucosal Epithelial Cell Sheets Cultivated on Amino Membrane in Patients Suffering From Corneal Stem Cell Insufficiency or Symblepharon.
Since cultivated autologous oral mucosal epithelial sheets on amniotic membrane have been reported to have good clinical results in treating patients with ocular surface disorders in both human or animal studies, and such…
- Trial name
- NCT00491959
- Testing
- Cultured oral mucosa cell sheet transplantation
- Where
- Taiwan
- Sponsor
- National Taiwan University Hospital
Corneal Disease
Evaluation of Biosynthetic Constructs to Replace Donor Corneas
Constructs made from cross-linked Human Recombinant Collagen type III are being used instead of human donor corneas in 6 patients at Deep anterior lamellar cornea grafting.
- Trial name
- NCT02374723
- Testing
- NuCornea, donated human corneas
- Sponsor
- Region Östergötland
Corneal Perforation, Corneal Stromal Lenticule,Sandwich Technique
A Novel Sandwich Technique of Minimally Invasive Keratoplasty for Corneal Perforation
The goal of this type of study to describe a new sandwich technique of minimally invasive keratoplasty (STMIK) by using SMILE-extracted lenticules for treatment corneal perforation and effectiveness.
- Trial name
- STMIK (NCT06233409)
- Where
- China
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Tianjin Eye Hospital
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
Corneal Endothelial Dystrophy, Corneal Edema
Loteprednol Etabonate 0.25% for Prevention of Cornea Transplant Rejection
The purpose of this study is to assess off-label use of loteprednol etabonate 0.25% ophthalmic suspension (Eysuvis) for prevention of immunologic rejection in the first year after Descemet membrane endothelial keratoplasty…
- Trial name
- NCT05136443
- Testing
- loteprednol etabonate 0.25% ophthalmic suspension
- Where
- United States
- Volunteers
- 70 people
- Sponsor
- Price Vision Group
Hereditary Corneal Dystrophy, Keratoconus
Autologous Adipose-Derived Adult Stem Cell Transplantation for Corneal Diseases
Transplantation of cellularized human cornea impregnated and populated by mesenchymal stem cells derived from the patient's adipose tissue.
- Trial name
- A-ADAS-CT-CD (NCT02932852)
- Testing
- Lipoaspiration, Transplantation
- Where
- Lebanon
- Volunteers
- 12 people
- Sponsor
- Vissum, Instituto Oftalmológico de Alicante
Persistent Corneal Epithelial Defect
Comparison of Topical Insulin and Amniotic Membrane Transplant for Persistent Corneal Epithelial Defects
After an initial period of standard treatment, they received further care aimed at helping the surface of the eye heal. Clear instructions were given on how to use and store the treatment properly.
- Trial name
- NCT07561398
- Testing
- Topical insulin eye drops, Amniotic Membrane Graft
- Where
- Pakistan
- Volunteers
- 214 people, healthy volunteers welcome
- Sponsor
- Al-Shifa Trust Eye Hospital
Fuchs' Endothelial Dystrophy
DMEK Versus DSAEK Study
The purpose of this study is to determine whether corneal transplantation by Descemet Membrane Endothelial Keratoplasty more favourable and cost-effective is compared to Descemet Stripping Automated Endothelial Keratoplasty for…
- Trial name
- DMEK (NCT02793310)
- Testing
- DMEK, DSAEK
- Where
- Netherlands
- Volunteers
- 54 people
- Sponsor
- Maastricht University Medical Center
Limbal Stem-cell Deficiency
Autologous Oral Mucosa Transplantation for Limbal Stem Cell Deficiency
PURPOSE: To report clinical and histochemical results of oral mucosa graft transplantation in eyes with limbal stem cell deficiency. DESIGN: Prospective observational study.
- Trial name
- NCT03226015
- Volunteers
- 27 people
- Sponsor
- Klinikum Chemnitz gGmbH
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
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
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
Corneal Epithelial Defect
Treatment of PED With AMT and Autologous Serum
Patients with persistent corneal epithelial defects who have not responded to conventional therapy will be randomized to treatment with either amniotic membrane transplantation or autologous serum 20%.
- Trial name
- NCT00238862
- Testing
- Amniotic membrane transplantation, Autologous serum/BSS 20%
- Where
- Saudi Arabia
- Volunteers
- 180 people
- Sponsor
- King Khaled Eye Specialist Hospital
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
Fuchs' Dystrophy, Bullous Keratopathy
Comparison of Two Steroid Regimens to Prevent Transplant Rejection After Corneal Transplant (DMEK)
The purpose of this study is to compare two different commonly used steroid dosing regimens after Descemet's membrane endothelial keratoplasty (DMEK) transplant surgery.
- Trial name
- NCT01448213
- Testing
- Prednisolone acetate, Fluorometholone
- Where
- 2 sites in United States, Germany
- Volunteers
- 264 people
- Sponsor
- Price Vision Group