Clinical trials: Vitreoretinal Disease
Vitreoretinal Diseases
Safety and Feasibility of Sutureless Pars-plana Vitrectomy in Sub-Tenon Anesthesia
The aim of this prospective study is to investigate the feasibility of performing minimally invasive vitrectomy under sub-tenon anesthesia in terms of intraoperative patients' tolerance and the surgeon's confidence.
- Trial name
- SAFE-VISA (NCT04257188)
- Testing
- minimally invasive vitrectomy under subtenon anaesthesia
- Where
- Germany
- Volunteers
- 67 people
- Sponsor
- RWTH Aachen University
Primary Vitreoretinal Lymphoma
Construction of Diagnosis and Treatment System for Primary Vitreoretinal Lymphoma
This study intends to apply for the establishment of research beds, establish a Chinese PVRL research cohort, and carry out a to achieve the following research objectives: The goal of this prospective observational study is to…
- Trial name
- NCT05950490
- Testing
- Intravitreal injection of methotrexate
- Where
- China
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Peking Union Medical College Hospital
Vitreoretinal Disease With or Without Cataracts
Next Generation Cataract and Vitreoretinal Surgery Study
The purpose of this study is to obtain device-specific safety and performance clinical data to support marketability in Europe and to collect formal user feedback.
- Trial name
- NCT06165744
- Testing
- UNITY Vitreoretinal Cataract System, Posterior segment surgery in the operating room with or without simultaneous cataract surgery
- Where
- 5 sites in Australia
- Volunteers
- 120 people
- Sponsor
- Alcon Research
Macular Holes, Epiretinal Membrane
Multimodal Imaging in Vitreo-retinal Surgery and Macular Dystrophies
The aim of the study is to identify morphological and functional biomarkers of post-operative recovery after vitreoretinal surgery, using decisional support systems (DSS), based on multimodal big-data analysis by means of machine…
- Conditions
- Macular Holes, Epiretinal Membrane, Retinal Detachment, Macular Dystrophies
- Trial name
- MICAI (NCT05747144)
- Testing
- Biometry, Retinography (Color) + Autofluorescence (AF), OCT B-scan and OCT angiography (OCTA)
- Where
- Italy
- Volunteers
- 100 people
- Sponsor
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS
Vitreoretinal Surgery, Cognitive Function Abnormal
The Effect of Retrobulbar Block for Eye Surgery on Brain Oxygenation and Cognitive Functions in Elderly Patients
The investigators measured changes in cerebral oxygen saturation (rSO2) and MMSE scores after retrobulbar block performed with levobupivacaine and lidocaine in patients undergoing vitreoretinal surgery.A total of 66 patients over…
- Conditions
- Vitreoretinal Surgery, Cognitive Function Abnormal, Intraoperative Monitoring
- Trial name
- NCT03189329
- Testing
- 2% lidocaine hydrochloride, 0.5% levobupivacaine
- Where
- Turkey (Türkiye)
- Volunteers
- 66 people
- Sponsor
- Cengiz KAYA
Analgesia
Peribulbar Block Versus Subtenon's Injection in Redo Vitreoretinal Surgery
To compare the efficacy and efficiency of peribulbar block versus sub-Tenon's capsule injection of local anesthetic in redo vitreoretinal surgery
- Trial name
- subtenon's (NCT04978415)
- Testing
- peribulbar block versus subtenon's block
- Where
- Egypt
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Abeer Samir Salem
Other Retinal Disorders, Retinal Disease
Retina BioBank: Retina Biomarkers for a Deeper Understanding of Vitreoretinal and Systemic Diseases
The RBBK study is a non-interventional, prospective study that will characterize disease state biomarker levels from aqueous humor, vitreous humor, intraoperative tissue and saliva of subjects with various retinal and systemic…
- Conditions
- Other Retinal Disorders, Retinal Disease, Retinal Vascular Disorder
- Trial name
- RBBK (NCT06796673)
- Where
- 3 sites in United States
- Volunteers
- 10,000 people
- Sponsor
- Greater Houston Retina Research
Postoperative Pain, Retinal Detachment
Postoperative Pain After Vitreoretinal Surgery
Postoperative pain (POP) is frequently underestimated in general and little data are available particularly for POP after vitreoretinal surgery (VRS).
- Trial name
- NCT03538847
- Testing
- Numerical rating scale
- Volunteers
- 800 people
- Sponsor
- University of Florence
Rhegmatogenous Retinal Detachment, Hypotony Ocular
Ocular Hypotony and Refractive Predictability in RRD Surgery
This study evaluates how preoperative ocular hypotony (Goldmann IOP ≤ 7 mmHg) affects refractive predictability, axial length measurements, and visual outcomes in patients undergoing combined phacovitrectomy with silicone oil for…
- Trial name
- HYP-RRD (NCT07283614)
- Testing
- Combined Phacovitrectomy with Intraocular Lens Implantation and Silicone Oil Tamponade, Silicone Oil Removal
- Where
- Kazakhstan
- Volunteers
- 45 people
- Sponsor
- Kazakh Eye Research Institute
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
Vitreoretinal Disease
Metabolomic Profile of Vitreoretinal Diseases: an NMR-Based Approach Using Vitreous.
The goal of this observational study was to learn about metabolomics profiles in vitreoretinal diseases by nuclear magnetic resonance (NMR)using vitreous fluid.
- Trial name
- NMR (NCT06429969)
- Where
- China
- Volunteers
- 450 people
- Sponsor
- Renmin Hospital of Wuhan University
Macular Holes
Full-Thickness Macular Hole Surgery: A Comparison of Ten Techniques
This study compares ten modern vitreoretinal surgical techniques for full-thickness macular hole repair. Participants will be randomly assigned to one of the surgical approaches during pars plana vitrectomy, using stratified…
- Trial name
- FTMH-10 (NCT07606404)
- Testing
- Pars Plana Vitrectomy (PPV)-Based Macular Hole Surgery, Autologous Platelet-Rich Plasma (PRP), Human Amniotic Membrane (hAM) Graft
- Where
- Kazakhstan
- Volunteers
- 120 people
- Sponsor
- Kazakh Eye Research Institute
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
Retinal Detachment
Dexmedetomidine Versus Propofol in Vitreoretinal Surgery
The investigators would like to determine if using Dexmedetomidine alone or in a reduced dose can prevent or reduce the incidence of adverse effects, while providing adequate sedation, and respiratory stability as compared to…
- Trial name
- NCT01001429
- Testing
- Dexmedetomidine infusion, propofol
- Where
- 2 sites in United States
- Volunteers
- 78 people
- Sponsor
- Rutgers, The State University of New Jersey
Macular Pucker, Macular Hole
Membrane Blue Versus Infracyanine Green
To compare possible toxicities of membrane blue and infracyanine green in vivo by macular function and peripheral visual field.
- Trial name
- NCT00555269
- Volunteers
- 30 people
- Sponsor
- The Ludwig Boltzmann Institute of Retinology and Biomicroscopic Laser Surgery
Macular Pucker, Macular Hole
Brilliant Blue Versus Indocyanine Green
A study of non-inferiority design comparing brilliant blue and indocyanine green as intraoperative dye in macular pucker and macular hole.
- Conditions
- Macular Pucker, Macular Hole, Vitreoretinal Surgery
- Trial name
- NCT01083004
- Testing
- Indocyanine green, Brilliant blue arm
- Where
- Germany
- Volunteers
- 50 people
- Sponsor
- University of Cologne
Diabetic Retinopathy
Perfluorocarbon Perfused Vitrectomy and 3D Vitrectomy System in Advanced Diabetic Retinopathy
To investigate the feasibility and advantages of using perfluorocarbon liquid (PCL) perfusion to remove vitreous during suction-cutting vitrectomy using a dual, dynamic drive (3D)technology.
- Trial name
- NCT00407108
- Testing
- Vitrectomy
- Where
- Mexico
- Sponsor
- Asociación para Evitar la Ceguera en México
Macular Holes
Evaluation of Anatomic and Visual Outcomes of Initially Closed Macular Holes
To evaluate the anatomic and visual outcomes in patients with initially closed macular holes after vitreoretinal surgery and with one to seven years of follow-up.
- Trial name
- NCT01229657
- Where
- China
- Volunteers
- 79 people
- Sponsor
- Sun Yat-sen University
Vitreoretinal Lymphoma
Multicentre Implementation and Validation of a Molecular Diagnostic for VitreoRetinal Lymphoma
The goal of this observational study is to gain new insights into the changes in proteins, genes and other molecular biological substances in the aqueous humour, vitreous humour, blood serum and, in rare cases, retina/choroid…
- Trial name
- DecodeVRL (NCT05841914)
- Where
- Germany
- Volunteers
- 220 people
- Sponsor
- Vinodh Kakkassery, MD
Patients With Highly Myopic Eyes
3D Visualization System for Vitreoretinal Diseases in Highly Myopic Eyes
To investigate the surgical outcomes and intraoperative parameters evaluation of 3D visualization system for vitreoretinal diseases in highly myopic eyes
- Trial name
- NCT05367193
- Testing
- pars plana vitrectomy, NGENUITY® 3D Visualization System (Alcon, TX, USA)
- Where
- Taiwan
- Volunteers
- 40 people
- Sponsor
- National Taiwan University Hospital