Clinical trials: Vitrectomy, open to volunteers
Retinal Detachment Rhegmatogenous
Air Tamponade Versus Fluorinated Gas Tamponade for Rhegmatogenous Retinal Detachment
TITLE: RCT of air tamponade versus fluorinated gas tamponade for rhegmatogenous retinal detachment DESIGN: Non-inferiority RCT of 150 patients from 10 UK centres AIMS: To assess whether air tamponade is non inferior to gas…
- Trial name
- GREEN (NCT07034469)
- Testing
- air, Gas SF6 (Sulfur Hexafluoride) and others
- Volunteers
- 150 people
- Sponsor
- Liverpool University Hospitals NHS Foundation Trust
Idiopathic Macular Hole, Macular Hole
Intraocular Gas Tamponade for Treatment of Large Idiopathic Macular Holes
The goal of this clinical trial is to evaluate the visual and anatomical outcomes of large (410-1000 μm) full-thickness macular holes repair surgery using perfluoropropane (15% C3F8), sulfur hexafluoride (20% SF6) gas tamponade.
- Conditions
- Idiopathic Macular Hole, Macular Hole, Macular Holes, Full Thickness Macular Hole
- Trial name
- NCT06927544
- Testing
- Pars plana vitrectomy
- Where
- Ukraine
- Volunteers
- 100 people
- Sponsor
- The Filatov Institute of Eye Diseases and Tissue Therapy
Epiretinal Membrane
Vitrectomy Combined With Intravitreal Dexamethasone Implant for Idiopathic Epiretinal Membrane With Macular Oedema
The goal of this clinical trial is to evaluate the efficacy and safety of 25-gauge pars plana vitrectomy combined with intravitreal dexamethasone implant for the treatment of idiopathic epiretinal membrane with cystoid macular…
- Trial name
- NCT06232616
- Testing
- vitrectomy combined with intravitreal dexamethasone implant
- Where
- China
- Volunteers
- 20 people
- Sponsor
- Shanghai Eye Disease Prevention and Treatment Center
Proliferative Diabetic Retinopathy, Diabetic Retinopathy
Continuous Delivery of Ranibizumab Via the Port Delivery System for Proliferative Diabetic Retinopathy-related Vitreous Hemorrhage With Pars Plana Vitrectomy and Limited PRP.
In prolifertive diabetic retinopathy (PDR) eyes with bleeding known as vitreous hemorrhage (VH) requiring a surgical procedure to remove the vitreous, called a vitrectomy, we will determine if the benefit and safety of adding a…
- Conditions
- Proliferative Diabetic Retinopathy, Diabetic Retinopathy, Diabetes
- Trial name
- 4 PORT (NCT07864480)
- Testing
- PDS Implant filled with 100 mg/mL Ranibizumab, Ranibizumab
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- Southeast Retina Center, Georgia
Full Thickness Macular Hole
Full Thickness Macular Hole; Should it be Handled Subacutely?
Full thickness macular hole, FTMH, is a retinal disease involving the fovea that cause central vision loss, metamorphopsia and central scotoma.
- Trial name
- NCT05828251
- Testing
- Vitrectomy (Sequential phakoemulsification and vitrectomy), Combined phako-vitrectomy, Phako (Sequential phakoemulsification and vitrectomy)
- Where
- Denmark
- Volunteers
- 56 people
- Sponsor
- Copenhagen University Hospital, Rigshospitalet
Retinopathy of Prematurity Both Eyes, Retinal Disease
Safety and Efficacy of 18 mm Short Vitrectomy Probe for Pediatric Vitreoretinal Surgeries
This study aims to study the safety and efficacy of using an 18 mm short vitrectomy probe for pediatric vitreoretinal surgeries and to investigate the surgeon's comfort and reliability of using the shorter probe.
- Conditions
- Retinopathy of Prematurity Both Eyes, Retinal Disease, Persistent Fetal Vasculature, Coats Disease
- Trial name
- NCT06520410
- Testing
- Pars plana vitrectomy with a 18 mm short vitrector
- Where
- Taiwan
- Volunteers
- 60 people
- Sponsor
- Chang Gung Memorial Hospital
Eye Diseases, Macular Degeneration, Wet
Vitrectomy, Subretinal Tissue Plasminogen Activator (TPA) and Intravitreal Gas for Submacular Haemorrhage Secondary to Exudative (Wet) Age-related Macular Degeneration (TIGER).
The centre of the retina (macula) at the back of the eye contains cells that give us our central vision that we use for reading and recognising faces.
- Conditions
- Eye Diseases, Macular Degeneration, Wet, Sub-Macular Hemorrhage
- Trial name
- TIGER (NCT04663750)
- Testing
- Pars plana vitrectomy, Intravitreal 2 mg aflibercept will be injected at baseline then monthly for two further doses, then 2-monthly until month 12, subretinal injection of recombinant TPA (Alteplase) up to a maximum of 25 micrograms in 0.2 mls
- Where
- 42 sites in Germany, Ireland and 5 more
- Volunteers
- 210 people
- Sponsor
- King's College Hospital NHS Trust
Dry Age-Related Macular Degeneration, Geographic Atrophy
Autologous Transplantation of Induced Pluripotent Stem Cell-Derived Retinal Pigment Epithelium for Geographic Atrophy Associated With Age-Related Macular Degeneration
Background: Age-related macular degeneration is a common eye disease in people over 50. The "dry" form of the disease can worsen into geographic atrophy, causing blind spots.
- Trial name
- NCT04339764
- Testing
- iPSC-derived RPE/PLGA transplantation
- Where
- 2 sites in United States
- Volunteers
- 20 people
- Sponsor
- National Eye Institute (NEI)
Cataract, Vitreous Hemorrhage
Surgical Procedure Efficiency Evaluation stuDy
The purpose of this real-world evidence study is to compare surgical procedure times for UNITY® VCS and CONSTELLATION® Vision System.
- Conditions
- Cataract, Vitreous Hemorrhage, Retinal Detachment, Macular Pucker
- Trial name
- NCT07228091
- Testing
- UNITY VCS, CONSTELLATION
- Where
- United Kingdom
- Volunteers
- 180 people
- Sponsor
- Alcon Research
Macular Hole, Macular Hole Surgery
Minimal Vitrectomy and ILM Flap with Sodium Hyaluronate Gel for MH
The purpose of this clinical trial is to compare the prognostic validity of two different surgical approaches: minimal posterior pole vitrectomy combined with a sodium hyaluronate gel-covered internal limiting membrane(ILM) flap…
- Conditions
- Macular Hole, Macular Hole Surgery, Idiopathic Macular Hole, Macular Hole of Left Eye (Disorder)
- Trial name
- ILM MH (NCT06685328)
- Testing
- minimal posterior pole vitrectomy combined with a sodium hyaluronate gel-covered internal limiting membrane(ILM) flap with balanced saline filling and postoperative supine position, Conventional vitrectomy combined with inner limiting membrane flap flip coverage with sterile air filling and postoperative prone position
- Where
- China
- Volunteers
- 52 people
- Sponsor
- Jie Zhong
Macular Hole, Macular Hole Surgery
No Endotamponade for Macular Hole Repair: the NEMAR Study
Full-thickness macular hole (MH) is a common sight threatening macular condition with a prevalence of 3.3 per 1000 individuals. Prompt surgical repair of MH is imperative in preventing irreversible vision loss from MH as the…
- Trial name
- NEMAR (NCT06908824)
- Testing
- Conventional surgery, ILM flap with no gas tamponade
- Where
- 3 sites in Hong Kong, Poland and 1 more
- Volunteers
- 180 people
- Sponsor
- Chinese University of Hong Kong
Ocular Trauma
The Innovative Appliance of Cohesive Viscoelastic During Pars Plana Vitrectomy in Complicated Ocular Trauma
Viscoelastic is a powerful tool in pars plana vitrectomy(PPV) surgery relative to perfluorocarbon liquid because it has the properties to dilate and engorge the retina and restore the detached retina to its original position.
- Trial name
- NCT07038668
- Testing
- Using of viscoelastic during the operation, No using of viscoelastic during the operation
- Volunteers
- 420 people
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
PDR - Proliferative Diabetic Retinopathy
The Preliminary Safety and Efficacy of RRG001 After Vitrectomy in Subjects With Proliferative Diabetic Retinopathy (PDR)
This study aims to slow down disease progression, reduce postoperative complications and decrease retreatment frequency in subjects with proliferative diabetic retinopathy (PDR) by administering a single subretinal injection of…
- Trial name
- NCT06412224
- Testing
- RRG001
- Where
- China
- Volunteers
- 6 people
- Sponsor
- Li Xiaorong
Retinal Detachment
Spring Loaded Syringe for Active Silicon Oil Extraction
The aim of our study is to compare between two techniques used for active SOR. The outcomes include efficiency and safety. Patients with silicon filled eyes and prepared for SOR 540 eyes of 505 patients (one eye in 470 patients…
- Trial name
- NCT07363889
- Testing
- Vitrectomy machine, Spring loaded syringe
- Where
- Egypt
- Volunteers
- 200 people
- Sponsor
- Sohag University
Rhegmatogenous Retinal Detachment
Foldable Capsular Scleral Buckling Versus Vitrectomy in Medium-complex Rhegmatogenous Retinal Detachment Treatment
The objective of the study is to evaluate: 1. Safety and efficacy of a novel foldable capsular scleral buckle (FCSB) in scleral buckling for primary rhegmatogenous retinal detachment (RRD) of medium complexity. 2.
- Trial name
- FCSB (NCT06610786)
- Testing
- foldable capsular scleral buckling, vitrectomy
- Where
- China
- Volunteers
- 100 people
- Sponsor
- Eye & ENT Hospital of Fudan University
Central Retinal Artery Occlusion
Microneedle Intra-Arterial Injection for Retinal Artery Occlusion
This prospective interventional study evaluates the efficacy and safety of direct intra-arterial microneedle injection combined with pars plana vitrectomy for acute retinal artery occlusion (including central retinal artery…
- Trial name
- NCT07151755
- Testing
- Vitrectomy + Direct Intra-Arterial Microneedle Thrombolysis + Standard Care, Standard Clinical Care Only
- Where
- China
- Volunteers
- 24 people
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Myopic Traction Maculopathy
Predictors of Vitrectomy Outcomes in Myopic Foveoschisis
This prospective pilot study evaluates factors that predict outcomes after vitrectomy for myopic foveoschisis (MFS), a sight-threatening complication of high myopia that can lead to progressive visual loss, foveal detachment…
- Trial name
- NCT07774637
- Testing
- pars plana vitrectomy
- Where
- Singapore
- Volunteers
- 30 people
- Sponsor
- Singapore National Eye Centre
No Disease or Condition is Being Studied
Optimizing Operational Parameters for Diagnostic Vitrectomy
Single-center ex-vivo study using blood samples from healthy donors processed through a 25-gauge vitrectomy system. The study compares four combinations of operational parameters (vacuum pressure and cut rate) to evaluate their…
- Trial name
- CELLVIT (NCT07408466)
- Testing
- Simulated vitrectomy
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- IRCCS San Raffaele
Retinal Detachment Rhegmatogenous
Use of Preoperative Gas in Eyes With Macula-off Rhegmatogenous Retinal Detachment (RRD)
The purpose of this study is to evaluate whether a preoperative intraocular gas injection improves visual outcomes in patients with a macula-off rhegmatogenous retinal detachment (RRD).
- Trial name
- NCT07855770
- Testing
- Intravitreal 100% C3F8 Injection, Pars plana vitrectomy or pars plana vitrectomy with scleral buckle
- Where
- 2 sites in United States
- Volunteers
- 190 people
- Sponsor
- Wills Eye
Rhegmatogenous Retinal Detachment
Treatment of Retinal Detachment in People Who Have Not Had Cataract Surgery With Vitrectomy vs Vitrectomy and Cataract Removal
Background and study aims The retina is the layer at the back of the eye that allows us to see. Sometimes, it can detach from the wall of the eye, causing a condition called rhegmatogenous retinal detachment (RRD), which leads to…
- Trial name
- COMBAT (NCT06997874)
- Testing
- Phacovitrectomy, Vitrectomy
- Where
- 30 sites in United Kingdom
- Volunteers
- 276 people
- Sponsor
- Queen's University, Belfast