Clinical trials: Vitrectomy
Vitrectomy
The Purpose of This Study is to Evaluate the Pharmacokinetic Properties of Intravitreal Ocriplasmin Prior to Planned Primary Pars Plana Vitrectomy (PPV)
To evaluate the pharmacokinetic properties of intravitreal ocriplasmin 125 µg dose when administered at different time-points prior to planned primary pars plana vitrectomy (PPV)
- Trial name
- MIVI-10 (NCT01159665)
- Testing
- ocriplasmin
- Where
- Belgium
- Volunteers
- 38 people
- Sponsor
- ThromboGenics
Persistent Corneal Epithelial Defects
Efficacy and Safety Study of Nexagon for Persistent Corneal Epithelial Defects
The purpose of this study is to evaluate the efficacy and safety of Nexagon® in subjects with persistent corneal epithelial defects (PED) resulting from corneal epithelial debridement during diabetic vitrectomy surgery, HSV…
- Trial name
- NTX-PED-001 (NCT01165450)
- Testing
- Nexagon, Vehicle only
- Volunteers
- 2 people
- Sponsor
- University of California, San Francisco
Vitrectomy
Pharmacokinetics of the Brimonidine Tartrate Posterior Segment Delivery System in Patients Undergoing Pars Plana Vitrectomy
This study will evaluate the pharmacokinetics of brimonidine following a single intravitreal administration of the 200 ug or 400 ug Brimonidine Tartrate Posterior Segment Drug Delivery System in patients 2, 4 or 8 weeks prior to…
- Trial name
- NCT01229410
- Testing
- 400 µg Brimonidine Tartrate Implant, 200 µg Brimonidine Tartrate Implant
- Where
- 2 sites in United States, Czechia
- Volunteers
- 24 people
- Sponsor
- Allergan
Symptomatic Vitreomacular Adhesion
A Phase III Study of A01016 in Subjects With Symptomatic Vitreomacular Adhesion
The purpose of this study is to evaluate the superiority regarding vitreomacular adhesion (VMA) resolution of a single intravitreal injection of A01016 (Ocriplasmin) compared to sham-injection in subjects with symptomatic VMA.
- Trial name
- NCT01889251
- Testing
- Ocriplasmin
- Where
- Japan
- Volunteers
- 251 people
- Sponsor
- Alcon Research
Vitrectomy
Clinical Trial of Intravitreal Microplasmin in Infants and Children Scheduled for Vitrectomy
To evaluate the safety and preliminary efficacy of intravitreal microplasmin as an adjunct to conventional vitrectomy for the treatment of pediatric patients.
- Trial name
- MIC (NCT00986362)
- Testing
- Ocriplasmin
- Where
- United States
- Volunteers
- 24 people
- Sponsor
- ThromboGenics
Intraocular Pressure
iCare vs Tonopen vs Goldmann Applanation Post-vitrectomy Surgery
The purpose of the study is to compare the measurement of pressure inside the eye using three different FDA-approved devices (Icare, Tonopen, and Goldmann applanation).
- Trial name
- NCT01786954
- Testing
- Icare rebound tonometry, Tonopen applanation, Goldmann applanation
- Where
- United States
- Volunteers
- 68 people
- Sponsor
- Duke University
Vitrectomy
A Study of the Safety and Efficacy of Microplasmin to Induce a Posterior Vitreous Detachment (MIVI III)
A multicenter study to compare multiple doses of intravitreal microplasmin in patients undergoing surgical vitrectomy.
- Trial name
- NCT00412958
- Testing
- Ocriplasmin 25µg, Ocriplasmin 75µg, Ocriplasmin 125µg
- Where
- 20 sites in United States
- Volunteers
- 125 people
- Sponsor
- ThromboGenics
Diabetic Macular Edema, Vitrectomy
Safety and Efficacy of a New Treatment in Vitrectomized Subjects With Diabetic Macular Edema
The study will evaluate the safety and efficacy of the intravitreal dexamethasone implant in the study eye of vitrectomized subjects with diabetic macular edema. Subjects will be followed for 26 weeks.
- Trial name
- NCT00799227
- Testing
- Dexamethasone
- Where
- 2 sites in United States, Australia
- Volunteers
- 56 people
- Sponsor
- Allergan
Intravitreal Bevacizumab Injection, Pars Plana Vitrectomy
Preoperative Injection of Bevacizumab Prior to Vitreoretinal Surgery in Diabetic Tractional Retinal Detachment
Vitreoretinal surgery for epiretinal proliferation tractional retinal detachment associated with proliferative diabetic retinopathy (PDR) is often complicated by hemorrhage from fibrovascular tissue.
- Conditions
- Intravitreal Bevacizumab Injection, Pars Plana Vitrectomy, Tractional Retinal Detachment, Diabetic Retinopathy
- Trial name
- NCT00548197
- Testing
- Bevacizumab
- Where
- Iran
- Volunteers
- 40 people
- Sponsor
- Iran University of Medical Sciences
Vitreous Hemorrhage, Proliferative Diabetic Retinopathy
Intravitreal Ranibizumab for Vitreous Hemorrhage Due to Proliferative Diabetic Retinopathy (N)
This study is being conducted to determine if intravitreal injections of ranibizumab decrease the proportion of eyes in which vitrectomy is performed compared with saline injections in eyes presenting with vitreous hemorrhage…
- Trial name
- N (NCT00996437)
- Testing
- Ranibizumab, Saline
- Where
- 67 sites in United States
- Volunteers
- 261 people
- Sponsor
- Jaeb Center for Health Research
Vitreomacular Traction, Vitreomacular Adhesion
Ocriplasmin for Vitreomacular Traction/Symptomatic Vitreomacular Adhesion
The purpose of this study is to observe the anatomical and functional outcomes of ocriplasmin (JETREA™®) over a 6-month period.
- Trial name
- NCT02322229
- Testing
- Ocriplasmin 0.125 mg in a 0.1 mL volume
- Where
- Australia
- Volunteers
- 62 people
- Sponsor
- Alcon Research
Muscle Relaxation
Comparison of Intubation and Laryngeal Mask for Pars Plana Vitrectomy
Pars plana vitrectomy is usually performed under general anesthesia including endotracheal intubation and muscle relaxation. However, for short procedures anesthesia using a laryngeal mask without muscle relaxation is also common…
- Trial name
- ITNLMAPPV (NCT02778932)
- Where
- Germany
- Volunteers
- 148 people
- Sponsor
- University Hospital Schleswig-Holstein
Diabetes
A Phase 2 Study of the Safety and Efficacy of Thymosin Beta 4 for Treating Corneal Wounds
As a consequence of damage to multiple organ systems throughout the course of their disease, diabetic patients suffer a number of chronic complications giving rise to increased morbidity, mortality, and health care costs specific…
- Trial name
- NCT00598871
- Testing
- Thymosin Beta 4 (Tβ4)
- Where
- 5 sites in United States
- Volunteers
- 12 people
- Sponsor
- ReGenTree, LLC
Vitrectomy
Observational Study of Ocular Inflammation in Patients Undergoing a Pars Plana Vitrectomy
This study will evaluate the degree of post-operative ocular inflammation in patients who are undergoing a pars plana vitrectomy.
- Trial name
- NCT01319318
- Testing
- Pars Plana Vitrectomy
- Where
- United States
- Volunteers
- 25 people
- Sponsor
- Allergan
Diabetic Macular Edema, Epiretinal Membrane
Ozurdex for Diabetic Macular Edema Treated With Pars Plana vitrEctomy and Membrane RemovAl (OPERA Study)
This study will examine the use of the dexamethasone implant (Ozurdex) in patients with macular edema associated with an epiretinal or preretinal membrane requiring surgical intervention.
- Trial name
- OPERA (NCT01613716)
- Testing
- Ozurdex
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- The Cleveland Clinic
Proliferative Diabetic Retinopathy, Vitreous Hemorrhage
Anti-VEGF vs. Prompt Vitrectomy for VH From PDR
Although vitreous hemorrhage (VH) from proliferative diabetic retinopathy (PDR) can cause acute and dramatic vision loss for patients with diabetes, there is no current, evidence-based clinical guidance as to what treatment…
- Trial name
- AB (NCT02858076)
- Testing
- 2-mg Intravitreous Aflibercept Injection, Prompt Vitrectomy Plus Panretinal Photocoagulation
- Where
- 62 sites in United States, Canada
- Volunteers
- 205 people
- Sponsor
- Jaeb Center for Health Research
Diabetic Macular Edema
Safety and Effectiveness of Ozurdex Steroid Implants for DME After Vitrectomy Surgery
Currently medications injected intravitreally in previously vitrectomized eyes have a very short half-life due to enhanced clearance of the drug.
- Trial name
- NCT01788475
- Testing
- Dexamethasone
- Where
- United States
- Volunteers
- 3 people
- Sponsor
- Lahey Clinic
Macular Hole, Retinal Detachment
Effect of Topical Aqueous Suppressants on Intraocular Gas Duration Following Pars Plana Vitrectomy
The purpose of this study is to see if glaucoma eye drops (dorzolamide-timolol) have any effect on the duration of an intraocular gas bubble following pars plana vitrectomy.
- Trial name
- NCT01257698
- Testing
- Dorzolamide 2%-timolol 0.5% topical eyedrops
- Where
- United States
- Volunteers
- 21 people
- Sponsor
- Mid Atlantic Retina
Rhegmatogenous Retinal Detachment, Toxic Effect of Silicone
The Influence of Silicone Oil on Nerve Fiber Layer Thickness After Pars Plana Vitrectomy
The aim of the study is to evaluate the influence of silicone oil on thickness of the retinal nerve fiber layer by using optical coherence tomography (OCT) in patients following pars plana vitrectomy.
- Conditions
- Rhegmatogenous Retinal Detachment, Toxic Effect of Silicone, Glaucoma Due to Silicon Oil
- Trial name
- NCT01255306
- Testing
- Optical coherence tomography, Local medical treatment of raised intraocular pressure
- Where
- Croatia
- Volunteers
- 60 people
- Sponsor
- University Hospital Sestre Milosrdnice
Vitreoretinal Disease
Clinical Comparison of 27+® and 23-gauge ULTRAVIT® 7500 Cpm Vitrectomy Outcomes
The purpose of this study is to compare the treatment day change between immediate postoperative and immediate preoperative intraocular pressure (IOP) between 27-gauge and 23-gauge vitrectomy instruments.
- Trial name
- NCT02477605
- Testing
- CONSTELLATION® 27-gauge Combined Surgical Pak, CONSTELLATION® 23-gauge Combined Surgical Pak, Vitrectomy surgery
- Where
- United States
- Volunteers
- 137 people
- Sponsor
- Alcon Research