Clinical trials: Vitreous Hemorrhage
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
Diabetes Mellitus, Diabetic Retinopathy
Intravitreal Long Acting Gas in the Prevention of Early Postoperative Vitreous Hemorrhage in Diabetic Vitrectomy
Recurrent vitreous hemorrhage after vitrectomy for complications of diabetic retinopathy is a common occurrence. The hemorrhage may appear within the first few weeks after surgery or months later.
- Conditions
- Diabetes Mellitus, Diabetic Retinopathy, Vitreous Hemorrhage
- Trial name
- NCT00155454
- Testing
- Intravitreal long acting gas (10% C3F8)
- Where
- Taiwan
- Volunteers
- 61 people
- Sponsor
- National Taiwan University Hospital
Late Postvitrectomy Diabetic Hemorrhage.
Cryotherapy of Sclerotomy Sites for Prevention of Late Postvitrectomy Diabetic Hemorrhage
Late vitreous hemorrhage in postvitrectomized diabetic eyes may be due to fibrovascular tuft formation in sclerotomy sites. Cryotherapy of sclerotomy sites may prevent bleeding by regressing the fibrovascular tuft.
- Trial name
- NCT00370409
- Testing
- Cryotherapy
- Where
- Iran
- Volunteers
- 112 people
- Sponsor
- Shahid Beheshti University of Medical Sciences
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
Vitrectomy, Epiretinal Membrane
Performance Comparison of the 25 Gauge 20,000cpm HYPERVIT Dual Blade vs. 10,000cpm ULTRAVIT Vitrectomy Cutter
This prospective randomised controlled trial will be conducted to investigate that increasing the vitrectomy cutting rate from 10,000 cut/min to 20,000 cut/min will result more efficiency and shorter core vitrectomy time, and it…
- Conditions
- Vitrectomy, Epiretinal Membrane, Macular Hole, Vitreous Hemorrhage
- Trial name
- NCT05710458
- Testing
- 25 gauge 20,000 cpm Hypervit Dual Blade, 25 gauge 10,000 cpm Ultravit Vitrectomy Cutter
- Where
- Hong Kong
- Volunteers
- 72 people
- Sponsor
- The University of Hong Kong
Diabetic Vitreous Hemorrhage, Tractional Retinal Detachment
Assessment of Retinal Vascular Changes With and Without ILM Peeling in Diabetic Vitrectomy Using OCT-A.
Tractional retinal detachment (TRD) that involves the macula and non-clearing vitreous hemorrhage are the main causes of permanent vision loss in patients with diabetic retinopathy and requires prompt surgical intervention.
- Trial name
- NCT05739539
- Testing
- optical coherence tomography angiography, spectral domain optical coherence tomography
- Where
- Egypt
- Volunteers
- 36 people
- Sponsor
- Kasr El Aini Hospital
Tractional Retinal Detachment Secondary to Proliferative Diabetic Retinopathy
Pre-Operative Intravitreal Bevacizumab for Tractional Retinal Detachment Secondary to Proliferative Diabetic Retinopathy
The purpose of this is study is to assess the efficacy of pre-operative intravitreal bevacizumab (IVB) (Genentech, South San Francisco CA) in improving visual acuity, reducing operative time, complications, intra-operative and…
- Trial name
- NCT01976923
- Testing
- Intravitreal bevacizumab, Small-gauge pars plana vitrectomy
- Where
- Saudi Arabia
- Volunteers
- 224 people
- Sponsor
- J. Fernando Arevalo, MD FACS
Proliferative Diabetic Retinopathy, Vitreous Hemorrhage
Pre- and Intra-operative Intravitreal Bevacizumab Injection in Diabetic Vitrectomy
The purpose of this study is to determine the effect of pre- and intra-operative bevacizumab injection on postoperative vitreous hemorrhage after diabetic vitrectomy.
- Trial name
- IBDV (NCT00745498)
- Testing
- Bevacizumab
- Where
- South Korea
- Volunteers
- 126 people
- Sponsor
- Seoul National University Bundang Hospital
Diabetic Vitreous Hemorrhage
Intravitreal Aflibercept Injection or Early Vitrectomy for Diabetic Vitreous Hemorrhage
Prospective study comparing efficacy and safety of intravitreal aflibercept injection and panretinal photocoagulation to early vitrectomy for patients with diabetic vitreous hemorrhage.
- Trial name
- NCT04153253
- Testing
- Aflibercept Injection [Eylea], Vitrectomy
- Where
- Kuwait
- Volunteers
- 34 people
- Sponsor
- Al Hadi Hospital
Diabetic Retinopathy, Vitreous Hemorrhage
Preoperative Bevacizumab for Vitreous Hemorrhage
The purpose of this study is to determine whether preoperative intravitreal bevacizumab is effective in reducing intra-operative and postoperative bleeding in diabetic patients submitted to pars plana vitrectomy for vitreous…
- Trial name
- IBEVI (NCT00596297)
- Testing
- bevacizumab, pars plana vitrectomy
- Where
- Brazil
- Volunteers
- 16 people
- Sponsor
- University of Sao Paulo
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
- NCT00198497
- Testing
- Vitrase
- Where
- 58 sites in Australia, Brazil and 7 more
- Volunteers
- 510 people
- Sponsor
- Bausch & Lomb Incorporated
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
Diabetic Retinopathy, Vitreous Hemorrhage
Use of Intravitreal Ranibizumab in the Treatment of Vitreous Hemorrhage
Primary Objective: To investigate the effectiveness of intravitreal applications of 0.5 mg Lucentis (ranibizumab) in patients with vitreous hemorrhage due to proliferative diabetic retinopathy.
- Trial name
- NCT01824043
- Testing
- intravitreal ranibizumab injections
- Where
- Brazil
- Volunteers
- 20 people
- Sponsor
- Hospital Regional de São José - Dr. Homero de Miranda Gomes
Abnormal Vitreous Humor Morphology, Abnormal Choroid Morphology
Accuracy of the Red Reflex Test in the Pediatric Population
This study is designed to investigate the sensitivity and specificity of the Red Reflex Test (RRT), with and without dilation, for early detection of ocular abnormalities in children and newborns.
- Conditions
- Abnormal Vitreous Humor Morphology, Abnormal Choroid Morphology, Optic Nerve Diseases, Retinal Disease
- Trial name
- NCT04125043
- Testing
- Direct ophthalmoscope
- Where
- United States
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- Children's National Research Institute
Vascular Retinopathy of Left Eye (Disorder), Vascular Retinopathy of Right Eye (Disorder)
Intraoperative Application of Fluorescein Sodium Angiography in Vascular Retinopathy
The study used a new surgical technique: intraoperative fluorescence imaging,In the 1980s, some scholars proposed the concept of intraoperative fluorescein angiography.During vitrectomy, intraoperative fluorescein angiography…
- Conditions
- Vascular Retinopathy of Left Eye (Disorder), Vascular Retinopathy of Right Eye (Disorder), Diabetic Retinopathy, Retinal Vein Occlusion
- Trial name
- NCT06343961
- Testing
- Intraoperative Fluorescein Angiography
- Volunteers
- 80 people
- Sponsor
- Jie Zhong
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
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
Diabetic Retinopathy, Vitreous Hemorrhage
IVB for Post-vitrectomy Hemorrhage in Diabetic Eyes
Recurrent vitreous hemorrhage following pars plana vitrectomy (PPV) for proliferative diabetic retinopathy remains a significant complication with reported incidence ranging from 11 to 75%.
- Trial name
- NCT06559488
- Testing
- Bevacizumab Injection [Avastin], Pars Plana Vitrectomy
- Where
- Indonesia
- Volunteers
- 18 people
- Sponsor
- Universitas Padjadjaran
Macular Edema Due to Diabetes Mellitus, Vitreous Hemorrhage
Comparison of Restoration in Vitreous Hemorrhage Patients With DME After or Not Removing Inner Limiting Membrane
This study is conducted to compare the anti-VEGF effect and visual function in vitreous hemorrhage patients with diabetic macular edema after pars plana vitrectomy with inner limiting membrane peeling or not
- Trial name
- NCT05529589
- Where
- China
- Volunteers
- 120 people
- Sponsor
- Second Affiliated Hospital, Zhejiang University, School of Medicine
Diabetic Vitreous Hemorrhage
Panretinal Photocoagulation During Vitrectomy for Diabetic Vitreous Hemorrhage
In this randomized clinical trial, the authors compare two cohorts receiving different endolaser spot amounts with similar laser settings in PDR subjects naïve to PRP undergoing PPV for the indication of VH.
- Trial name
- NCT05318742
- Testing
- laser
- Where
- Mexico
- Volunteers
- 150 people
- Sponsor
- Panhandle Eye Group, LLP