Clinical trials: Pars Plana Vitrectomy
Diabetic Retinopathy, Retinal Detachment
Ranibizumab for Diabetic Traction Retinal Detachment
The purpose of this study was to assess the effect of ranibizumab in reducing intraoperative vitreous haemorrhage during pars plana vitrectomy, thus facilitating surgery and improving its anatomical and functional results in…
- Trial name
- RANITRA (NCT01201161)
- Testing
- Ranibizumab
- Where
- Brazil
- Volunteers
- 19 people
- Sponsor
- University of Sao Paulo
PArs Plana Vitrectomy, Retinal Detachment
Quantification of Silicone Oil Emulsification After Pars Plana Vitrectomy
silicone oil tamponade removal after previous injection of complicated retinal detachment can be achieved with active suction followed by triple air-fluid exchange or prolonged lavage of the vitreous chamber to remove…
- Conditions
- PArs Plana Vitrectomy, Retinal Detachment, Silicone Oil Droplets on Intraocular Lens
- Trial name
- NCT04774146
- Testing
- pars plana vitrectomy
- Where
- Italy
- Volunteers
- 20 people
- Sponsor
- Ospedale Policlinico San Martino
Diabetic Macular Edema, Pars Plana Vitrectomy
Compare the Efficacy of VItrectomy Combined With DExamethasone Implant Versus With Aflibercept in DME Patients Diagnosed by Intraoperative OCT (the VIDEO Study): Study Protocol for a Randomized Controlled Trial
Diabetic macular edema (DME) is the main cause of severe vision loss in diabetic retinopathy. Intravitreal injection of anti-vascular endothelial growth factor (VEGF) and Ozurdex are two safe and effective ways to treat DME.
- Conditions
- Diabetic Macular Edema, Pars Plana Vitrectomy, Dexamethasone Intravitreal Implant, Intraoperative Optical Coherence Tomography
- Trial name
- NCT05990829
- Testing
- Ozurdex, Aflibercept
- Where
- China
- Volunteers
- 64 people
- Sponsor
- Tianjin Medical University Eye Hospital
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
Retinal Detachment
23 Gauge and 20 Gauge Vitrectomy for Rhegmatogenous Retinal Detachments
This study is a comparison (23 gauge vs 20 gauge instrumentation) of surgical instrumentation for retinal detachment repair.
- Trial name
- NCT01716507
- Testing
- Retinal Detachment repair
- Where
- United States
- Volunteers
- 46 people
- Sponsor
- Wills Eye
Endophthalmitis, Endophthalmitis Postoperative
Phacovitrectomy Versus Pars Plana Vitrectomy Alone for Post-Intravitreal Injection Endophthalmitis
This prospective comparative interventional study evaluated the anatomical and visual outcomes of phacovitrectomy versus pars plana vitrectomy (PPV) alone in patients with post-intravitreal injection endophthalmitis.
- Conditions
- Endophthalmitis, Endophthalmitis Postoperative, Intravitreal Injection Patients
- Trial name
- NCT07717944
- Testing
- Phacovitrectomy, Pars plana vitrectomy
- Where
- Egypt
- Volunteers
- 40 people
- Sponsor
- Benha University
Endophthalmitis Following Cataract Surgery
Compare PPV With and Without Silicone Oil in Managing Postoperative Endophthalmitis
Comparing PPV with and without silicone oil in managing postoperative endophthalmitis
- Trial name
- Endopthalmitis (NCT06990607)
- Testing
- Pars plana Vitrectomy, Silicone Oil
- Where
- Egypt
- Volunteers
- 40 people
- Sponsor
- Benha University
Diabetic Macular Edema
The Results of Pars Plana Vitrectomy in Diabetic Macular Edema
This study will be a retrospective analysis of vitrectomy results in patients suffering from diabetic macular edema.
- Trial name
- NCT03384901
- Testing
- vitrectomy
- Where
- Israel
- Volunteers
- 70 people
- Sponsor
- Hillel Yaffe Medical Center
Macular Hole
Outcomes of Macular Hole Surgery With Inverted Flap With vs Without Post op Posturing With SF6 in Macular Hole More Than 400 Micrometres
This study evaluated the outcomes of surgery for large full-thickness macular holes measuring more than 400 micrometres using the inverted internal limiting membrane flap technique with sulphur hexafluoride (SF6) gas tamponade.
- Trial name
- NCT07787390
- Testing
- Macular Hole Surgery With Inverted Internal Limiting Membrane Flap and SF6 Gas Tamponade, Face-Down Postoperative Positioning, No Face-Down Postoperative Positioning
- Where
- Pakistan
- Volunteers
- 52 people
- Sponsor
- Lahore General Hospital
Diabetic Retinopathy, Diabetic Cataract
Pars Plana Vitrectomy Combined With Phacoemulsification Cataract Surgery in Phakic Diabetes Retinopathy Patients
Pars plana vitrectomy (PPV) is one of the most widely used surgical therapies to proliferative diabetic retinopathy in the world.
- Trial name
- NCT04729023
- Testing
- Pars plana vitrectomy combined with cataract surgery., Pars plana vitrectomy with subsequent cataract surgery.
- Where
- China
- Volunteers
- 129 people
- Sponsor
- Zhongshan Ophthalmic Center, Sun Yat-sen University
Rhegmatogenous Retinal Detachment
Perfluorocarbon Liquid vs. Posterior Retinotomy During Pars-plana Vitrectomy for Rhegmatogenous Retinal Detachment
Purpose To evaluate the outcomes of perfluorocarbon liquid (PFCL) versus posterior retinotomy (PR) during Pars plana vitrectomy (PPV) for Rhegmatogenous retinal detachment (RRD), focusing on anatomical success, visual acuity…
- Trial name
- NCT06919211
- Testing
- Perfluorocarbon Liquid vs. Posterior Retinotomy during Pars-plana Vitrectomy for The Surgical Repair of Rhegmatogenous Retinal Detachment
- Where
- Egypt
- Volunteers
- 29 people
- Sponsor
- Benha University
Vitrectomy
Outcomes of 20 and 23-gauge Combined Transconjunctival Pars Plana Vitrectomy
In a retrospective study, a combined 20 and 23-gauge pars plana vitrectomy procedure was performed in 21 eyes for various indications and proposed as a transition procedure to 23-gauge transconjunctival vitrectomy.
- Trial name
- NCT01176331
- Testing
- 20 and 23 gauge pars plana vitrectomy
- Where
- Turkey (Türkiye)
- Sponsor
- Kocaeli University
Retinal Detachment, Vitrectomy
Functional and Morphological Results of Rhegmatogenous Retinal Detachment Treated With Vitrectomy
To examine morphological and functional results after pars plana vitrectomy (PPV) with SF6 gas tamponade due to macula-on and macula-off rhegmatogenous retinal detachment (RRD) during six months of the follow-up.
- Trial name
- NCT03902795
- Testing
- Microperimetry, M-charts
- Where
- Poland
- Volunteers
- 62 people
- Sponsor
- Medical University of Lublin
Cataract
Anterior Segment Changes After Phacoemulsification in Cataractous Eyes with Shallow Anterior Chamber
Phacoemulsification in shallow anterior chamber is considered to be more hazardous regarding risk of intraoperative and postoperative complications.
- Trial name
- NCT06745596
- Testing
- cataract surgery 1, cataract surgery 2
- Where
- Egypt
- Volunteers
- 24 people
- Sponsor
- Zagazig University
Pain
Intravitreal Injection Site and Perceived Pain
The objective of this study is to explore the perception of pain during intravitreal injection related to the distance of the entry site from the limbus.
- Trial name
- NCT05640895
- Testing
- Intravitreal injection site
- Where
- United States
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- The University of Texas Medical Branch, Galveston
Macular Holes
MSC-Exos Promote Healing of MHs
Purpose: To assess the safety and efficacy of mesenchymal stem cells (MSCs) and MSC-derived exosomes (MSC-Exos) for promoting healing of large and refractory macular holes (MHs).
- Trial name
- MSCs (NCT03437759)
- Testing
- exosomes derived from mesenchymal stem cells (MSC-Exo)
- Where
- China
- Volunteers
- 44 people, healthy volunteers welcome
- Sponsor
- Tianjin Medical University
Recurrent, Hemorrhage
Adjuvant Intravitreal Bevacizumab in Pars Plana Vitrectomy for Diabetic Vitreous Hemorrhage
Postoperative vitreous hemorrhage is a common complication after vitrectomy for proliferative diabetic retinopathy. There have been efforts to lower the incidence of postoperative vitreous hemorrhage such as preoperative…
- Trial name
- ABeVi (NCT01151722)
- Testing
- bevacizumab injection
- Where
- Brazil
- Volunteers
- 2 people
- Sponsor
- University of Sao Paulo
Rhegmatogenous Retinal Detachment
Dropless Pars Plana Vitrectomy Study
To demonstrate that intraoperative use of subtenon triamcinolone acetonide at the time of surgery without postoperative eye drops is non-inferior to the regimen of postoperative eye drops following primary pars plana vitrectomy…
- Trial name
- DVS (NCT05331664)
- Testing
- Pars plana vitrectomy, Triamcinolone Acetonide 40mg/mL, Moxifloxacin 0.5% or Polymyxin/Trimethoprim if patient is allergic to moxifloxacin
- Where
- United States
- Volunteers
- 168 people, healthy volunteers welcome
- Sponsor
- Massachusetts Eye and Ear Infirmary
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
Diabetic Macular Edema (DME), Pars Plana Vitrectomy
SAR 1118 in Human Subjects Undergoing Pars Plana Vitrectomy
The purpose of this study is to determine the safety, tolerability, and pharmacokinetics of SAR 1118 within the anterior and posterior chamber of the eye and plasma in subjects undergoing elective vitrectomy when treated with…
- Trial name
- NCT00936520
- Testing
- SAR 1118 0.1%, SAR 1118 1.0%, SAR 1118 5.0%
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- Johns Hopkins University