Clinical trials: Retinal Hemorrhage
Epiretinal Membrane, Retinal Hemorrhage
Robotic Retinal Dissection Device Trial
The purpose of the study is to determine whether use of a robotic system improves the precision and therefore safety of high precision steps in retinal surgery.
- Trial name
- R2D2 (NCT03052881)
- Testing
- Robot assisted surgery
- Where
- United Kingdom
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University of Oxford
Diabetic Retinopathy, Macular Edema
20- Versus 23- Gauge System for Pars Plana Vitrectomy
The aim of the present study is to compare the functional and clinical differences and advantages between a standard operating system and a newly developed even smaller system for pars plana vitrectomy.
- Conditions
- Diabetic Retinopathy, Macular Edema, Postoperative Complications, Vitreous Hemorrhage
- Trial name
- NCT00411970
- Testing
- 20- and 23 gauge vitreoretinal surgery systems
- Where
- Austria
- Volunteers
- 60 people
- Sponsor
- The Ludwig Boltzmann Institute of Retinology and Biomicroscopic Laser Surgery
Anti-VEGF, Branch Retinal Vein Occlusion
Anti-VEGF Instead of Intraoperative Fan-shaped Photocoagulation in BRVO Combined With Vitreous Hemorrhage
To evaluate the efficacy and safety of Anti-VEGF instead of intraoperative fan-shaped photocoagulation in BRVO combined with vitreous hemorrhage.
- Conditions
- Anti-VEGF, Branch Retinal Vein Occlusion, Vitrectomy
- Trial name
- NCT03637283
- Testing
- anti-VEGF, fan-shaped photocoagulation
- Volunteers
- 100 people
- Sponsor
- Wenzhou Medical University
Diabetic Retinopathy
Effect of Intravitreal Bevacizumab on Early Post-Vitrectomy Hemorrhage in Diabetic Patients
The purpose of this study is to determine whether bevacizumab 1-2 weeks before vitrectomy is effective in lowering the rate of early post-vitrectomy vitreous hemorrhage in diabetic patients.
- Trial name
- NCT00524875
- Testing
- Bevacizumab
- Where
- Iran
- Volunteers
- 80 people
- Sponsor
- Shahid Beheshti University of Medical Sciences
Proliferative Diabetic Retinopathy, Vitreous Hemorrhage
Cryoapplication Versus Anti-VEGF Before Diabetic Vitrectomy
Pars-plana vitrectomy (PPV) is the cornerstone of surgical treatment for eyes with complicated proliferative diabetic retinopathy. Anti-VEGF intravitreal injection before PPV has shown a good effect on surgical outcomes.
- Conditions
- Proliferative Diabetic Retinopathy, Vitreous Hemorrhage, Tractional Retinal Detachment
- Trial name
- NCT05514925
- Testing
- Bevacizumab Injection [Avastin], Peripheral Retinal Cryoapplication
- Where
- Tunisia
- Volunteers
- 60 people
- Sponsor
- Khairallah Moncef
AMD - Age-Related Macular Degeneration
Prognostic Role of Macular Neovascular Membrane Subtype in Pneumatic Displacement of Macular Hemorrhages
This study investigates the prognostic value of macular neovascularization (MNV) subtypes in patients treated with pneumatic displacement for submacular hemorrhage.
- Trial name
- NCT07427160
- Where
- Italy
- Volunteers
- 60 people
- Sponsor
- Marco Mazzola
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
Diabetic Retinopathy, Postoperative Recurrent Vitreous Hemorrhage
A Prospective Study of Ranibizumab in the Treatment of Postoperative Recurrent Vitreous Haemorrhage of Diabetic Retinopathy
Diabetic retinopathy (DR) is one of the main complications in diabetes, the proliferative diabetic retinopathy (PDR) is the most important one of the reasons leading to decreased vision, PDR is the stage of clinical intervention.
- Conditions
- Diabetic Retinopathy, Postoperative Recurrent Vitreous Hemorrhage, Pars Plana Vitrectomy, Ranibizumab
- Trial name
- NCT05248334
- Testing
- Ranibizumab Injection, PPV
- Where
- China
- Volunteers
- 120 people
- Sponsor
- Tianjin Medical University Eye Hospital
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
Diabetic Retinopathy, Retinal Detachment
Pars Plana Vitrectomy (PPV) Versus Preoperative Intravitreal Bevacizumab Plus PPV to Treat Diabetic Tractional Retinal Detachment (IBETRA)
The purpose of this study is to compare the amount of intraoperative intraocular bleeding during 23-gauge pars plana vitrectomy (PPV) for diabetic traction retinal detachment (TRD) with and without preoperative intravitreal…
- Trial name
- IBETRA (NCT00690768)
- Testing
- Bevacizumab, pars plana vitrectomy
- Where
- Brazil
- Volunteers
- 20 people
- Sponsor
- University of Sao Paulo
Macular Holes, Intraocular Lens Opacification
Oral Sedation in Vitreoretinal Surgery
The purpose of this study is to compare the efficacy of oral sedation to intravenous sedation with anesthesiology support and monitoring.
- Conditions
- Macular Holes, Intraocular Lens Opacification, Vitrectomy, Vitreous Hemorrhage
- Trial name
- NCT04346095
- Testing
- Oral Sedatives with or Without Analgesia, Intravenous Sedatives with or Without Analgesia
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Rocky Vista University, LLC
Subretinal Hemorrhage and Exudative Maculopathy
Pneumatic Displacement of Subretinal Hemorrhage With Perfluorocarbon Gases
Subretinal hemorrhage in the macula causes a significant loss of vision. This hemorrhage can be displaced by the use of a small volume of pure perfluorocarbon gas injected into the vitreous, which expands to a 40% gas bubble in…
- Trial name
- NCT00161525
- Testing
- Pneumatic displacement
- Where
- United States
- Volunteers
- 25 people
- Sponsor
- Weill Medical College of Cornell University
Cataract, Retina Detachment
Different Hemostasis According to the Anesthetic Agents
We investigated the hemostatic differences according to the main anesthetic agents by analyzing rotational thromboelastometry (ROTEM) under the hypothesis that propofol-based anesthesia would impair postoperative coagulability…
- Conditions
- Cataract, Retina Detachment, Pterygium, Keratitis
- Trial name
- NCT02151305
- Testing
- Propofol, remifentanil, Sevoflurane
- Where
- South Korea
- Volunteers
- 66 people
- Sponsor
- Seoul National University Bundang Hospital
Submacular Hemorrhage, Ruptured Retinal Arterial Macro Aneurysms
Submacular Hemorrhage Associated With Retinal Arterial Macro Aneurysm
Evaluation of surgical outcome of vitrectomy with subretinal injection of recombinant tissue-plasminogen activator for submacular hemorrhage associated with retinal arterial macroanuerysms.
- Trial name
- NCT02120066
- Testing
- Vitrectomy for submacular hemorrhage, subretinal injection of tissue-plasminogen activator
- Where
- Japan
- Volunteers
- 22 people
- Sponsor
- Kyorin University
Proliferative Diabetic Retinopathy
Macugen for Proliferative Diabetic Retinopathy Study With Extended Dosing (M-PDRS ED)
Intravitreal injections of pegaptanib will induce the regression of Proliferative Diabetic Retinopathy (PDR) and reduce the need for retinal photocoagulation.
- Trial name
- NCT01486771
- Testing
- Macugen ® (pegaptanib sodium)
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- Valley Retina Institute
Diabetic Retinopathy, Retinal Detachment
Diabetic Retinopathy Vitrectomy Study (DRVS)
To compare two therapies, early vitrectomy and conventional management, for recent severe vitreous hemorrhage secondary to diabetic retinopathy.
- Conditions
- Diabetic Retinopathy, Retinal Detachment, Vitreous Hemorrhage
- Trial name
- NCT00000154
- Testing
- Vitrectomy
- Sponsor
- National Eye Institute (NEI)
Vitreous Hemorrhage, Diabetic Retinopathy
Safety and Efficacy Study of Vitrase for Clearance of Severe Vitreous Hemorrhage
The purpose of this study is to determine if intravitreal injection of Vitrase (ovine hyaluronidase) clears vitreous hemorrhage
- Trial name
- NCT00198510
- Testing
- Vitrase
- Where
- 73 sites in United States, Canada and 1 more
- Volunteers
- 750 people
- Sponsor
- Bausch & Lomb Incorporated
Non-traumatic Subarachnoid Haemorrhage
Retinal Vessel Analysis (rGA) at the Patient Bed in the Context of Non-traumatic Subarachnoid Haemorrhage
A subarachnoid hemorrhage occurs in about 10 out of 100,000 people each year. This bleeding leads to irritation and constriction of blood vessels in the brain (vasospasm) in two out of three people affected within four to 21 days…
- Trial name
- NCT04094155
- Testing
- retinal vascular analysis
- Where
- Germany
- Volunteers
- 150 people
- Sponsor
- RWTH Aachen University
Diabetic Retinopathy
Intravitreal Bevacizumab for Management of Active Progressive Proliferative Diabetic Retinopathy (PDR)
To evaluate the effect of intravitreal bevacizumab on the course of diabetic retinopathy in cases with the signs of active progressive PDR
- Trial name
- NCT00370721
- Testing
- bevacizumab
- Where
- Iran
- Sponsor
- Shahid Beheshti University of Medical Sciences
Diabetic Retinopathy, Vitreous Hemorrhage Due to Diabetes Mellitus
Pre-operative Vabysmo in Patients With Non-clearing Vitreous Hemorrhage Secondary to Proliferative Diabetic Retinopathy
In this phase IV, randomized, double-masked, sham-controlled study the investigators hope to determine the efficacy in peri-operative faricimab (Vabysmo) compared to sham in limiting complications from pars plana vitrectomy for…
- Trial name
- NCT06191094
- Testing
- Faricimab Injection
- Where
- United States
- Volunteers
- 100 people
- Sponsor
- University of Colorado, Denver