Clinical trials: Keratoplasty
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 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
Graft Rejection
Pathogenetic Risk Factors for Corneal Graft Rejection
There are many predictors that may influence the development of corneal graft rejection after penetrating keratoplasty. In our study investigators analysed the results of keratoplasty and the risk factors for graft rejection.
- Trial name
- NCT06281587
- Testing
- penetrating keratoplasty
- Where
- Russia
- Volunteers
- 93 people
- Sponsor
- The S.N. Fyodorov Eye Microsurgery State Institution
Corneal Transplantation
Prospective, Randomized Trial of Basiliximab (Simulect) in the Prophylaxis of High-Risk Keratoplasty Patients
Most high risk keratoplasties are currently performed under systemic immunosuppression. Immunosuppressants are currently either Cyclosporine A or mycophenolate mofetile, administered for around 6 months.
- Trial name
- NCT00409656
- Testing
- Basiliximab
- Sponsor
- University Hospital Freiburg
Corneal Transplant
Post Operative Visual Acuity for DSAEK and UT-DSAEK
To study the correlation between graft size in DSAEK (Descemet Stripping Automated Endothelial Keratoplasty) and UT (ultra thin)-DSAEK type corneal transplants to the visual acuity 6 months postoperatively.
- Trial name
- POVIAD (NCT03685851)
- Testing
- DSAEK type corneal transplant
- Volunteers
- 111 people
- Sponsor
- Centre Hospitalier Régional Metz-Thionville
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
Corneal Epithelial Defects After Ocular Surgeries
Topical Autologous Insulin Application for the Treatment of Corneal Epithelium Defect After Ocular Surgeries
Topical insulin application has been proved recently to increase corneal reepithelization rate over diabetic animals. However, its effectiveness on corneal epithelial wound healing in patients who received pars planar vitrectomy…
- Trial name
- NCT01031888
- Testing
- Topical insulin eye drops, Conventional postoperative eye drops
- Where
- Taiwan
- Volunteers
- 18 people
- Sponsor
- National Taiwan University Hospital
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
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 Opacity
OCT-guided LALAK in Children
The primary goal of the trial is to determine if laser-assisted lamellar anterior keratoplasty (LALAK) will reduce the risks of post-operative complications such as adhesions, glaucoma and cataract that are associated with…
- Trial name
- LALAK (NCT01579643)
- Testing
- OCT guided laser-assisted lamellar anterior keratoplasty (LALAK), Penetrating Keratoplasty (KP)
- Where
- United States
- Volunteers
- 1 people
- Sponsor
- Oregon Health and Science University
Corneal Transplantation
Retrospective Analysis of Surgical Outcomes After Corneal Transplantation
Currently, no demographic and surgical results comparing different donor cornea sources were available in Taiwan. National Taiwan University Hospital (NTUH), as one of the largest tertiary medical centers in northern Taiwan, is…
- Trial name
- NCT01547975
- Where
- Taiwan
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Lipid Keratopathy, Penetrating Keratoplasty
Safety and Effectiveness of Subconjunctival Injection of Bevacizumab in the Treatment of Corneal Neovasculization
1. Purpose:Our animal study demonstrated the effectiveness of subconjunctival injection of bevacizumab in the inhibition of corneal neovasculization formation.
- Conditions
- Lipid Keratopathy, Penetrating Keratoplasty, Herpetic Keratopathy, Rosacea
- Trial name
- NCT00681603
- Testing
- subconjunctival injection of bevacizumab ( 1.25 to 2.50 mg)
- Where
- Taiwan
- Volunteers
- 13 people
- Sponsor
- National Taiwan University Hospital
Corneal Changes of Membranes
Preoperative Corneal Thickness and Postoperative Visual Outcomes After Posterior Lamellar Corneal Transplant
To evaluate the impact of preoperative corneal thickness on visual outcomes following Descemet's stripping endothelial keratoplasty (DSAEK) or Descemet membrane endothelial keratoplasty (DMEK)
- Trial name
- TransCor (NCT03355911)
- Volunteers
- 113 people
- Sponsor
- Centre Hospitalier Régional Metz-Thionville
Corneal Burn
Modified Corneal EA With Middle LKP for Severe Corneal Burn
The purpose of this pilot study is to explore whether modified corneal epithelial autograft (EA) combined with allogeneic middle lamellar keratoplasty (AMLK) is more effective than limbal autograft (LA) with AMLK for ocular…
- Trial name
- NCT03498846
- Testing
- Modified EA and AMLK, LA and AMLK
- Where
- China
- Volunteers
- 20 people
- Sponsor
- Sun Yat-sen University
Keratoconus, Fuchs Dystrophy
Femtolaser Assisted Keratoplasty Versus Conventional Keratoplasty
This pilot study will compare upto 15 patients undergoing femtolaser assisted keratoplasty (using CE[Conformité Européene] approved femtolaser apparatus) with upto 15 patients undergoing conventional keratoplasty with a manual…
- Conditions
- Keratoconus, Fuchs Dystrophy, Corneal Disease
- Trial name
- NCT03619434
- Testing
- Femtosecond Laser, Trephine blade
- Where
- United Kingdom
- Volunteers
- 30 people
- Sponsor
- University of Southampton
Pupillary Block After DMEK, Laser Iridotomy / Surgical Iridectomy
Impact of Iridotomy/Iridectomy Size on Postoperative Pupillary Block and Dysphotopsia Following DMEK
Descemet membrane endothelial keratoplasty (DMEK) is the standard surgical treatment for corneal endothelial disorders. A postoperative pupillary block may occur despite routine preoperative laser iridotomy or intraoperative…
- Conditions
- Pupillary Block After DMEK, Laser Iridotomy / Surgical Iridectomy, Dysphotopsia, Descemet Membrane Endothelial Keratoplasty (DMEK)
- Trial name
- NCT07577635
- Testing
- Anterior Segment Optical Coherence Tomography (AS-OCT), Dysphotopsia Questionnaire
- Volunteers
- 100 people
- Sponsor
- University of Leipzig
Keratoconus
Comparison of Anwar and Melles Techniques in Deep Anterior Lamellar Keratoplasty (DALK) for Keratoconus Patients
This study will be performed on patients who come to labbafinejad ophthalmic clinic from 20 March 2008. Keratoconus diagnosis will be determined by clinical finding in slit lamp, keratometery and topographic characteristics.
- Trial name
- NCT00850148
- Testing
- Anwar, Melles
- Where
- 2 sites in Iran
- Sponsor
- Shahid Beheshti University of Medical Sciences
Ocular Burns
Corneal Epithelial Autograft With Middle Lamellar Keratoplasty for Severe Ocular Burns
The purpose of this pilot study is to explore whether corneal epithelial autograft (EA) combined with allogeneic middle lamellar keratoplasty (AMLK) is more effective than limbal autograft (LA) with AMLK for ocular surface…
- Trial name
- NCT03421769
- Testing
- EA and AMLK, LA and AMLK
- Where
- China
- Volunteers
- 30 people
- Sponsor
- Yingfeng Zheng
Keratoconus, Corneal Dystrophies
Laser Assisted Procedures in Penetrating Keratoplasty
Laser- assisted procedures in penetrating keratoplasty (PK) are proposed to improve the surgical outcomes: minimally invasive procedures, improved biomechanical stability of the transplanted flap, reduction of rejection risks…
- Conditions
- Keratoconus, Corneal Dystrophies, Corneal Opacity
- Trial name
- NCT02173847
- Testing
- Penetrating keratoplasty, Femtosecond laser, Diode laser
- Where
- Italy
- Volunteers
- 22 people
- Sponsor
- Ospedale Santo Stefano
Fuchs Endothelial Corneal Dystrophy, Descemet Membrane Endothelial Keratoplasty (DMEK)
Influence of Supine Positioning on the Outcomes After Descemet Membrane Endothelial Keratoplasty (DMEK)
The goal of this clinical trial is to learn if a longer period of lying on the back after corneal transplant surgery (Descemet Membrane Endothelial Keratoplasty, DMEK) helps the transplant stick better in the eye.
- Trial name
- SUPINE (NCT07373821)
- Testing
- Duration of Supine Positioning
- Where
- Germany
- Volunteers
- 102 people
- Sponsor
- University Hospital Heidelberg