Vitreous HemorrhagePhase 2/3NNCT00996437
Intravitreal Ranibizumab for Vitreous Hemorrhage Due to Proliferative Diabetic Retinopathy (N)
A Phase 2/3 study testing Ranibizumab and Saline in people with Vitreous Hemorrhage and Proliferative Diabetic Retinopathy, run by Jaeb Center for Health Research at 67 sites in United States.
Trial summary
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 from proliferative diabetic retinopathy. Read more about this study
- Who is it for?
- Ages 18 years and older
- Conditions the study is for
- Vitreous Hemorrhage, Proliferative Diabetic Retinopathy
- What is being tested?
- Ranibizumab and Saline
- Type of treatment
- Injection or infusion
- Could I receive a placebo?
- Yes, some participants may receive a placebo
- How many people
- 261 participants
- Where
- 67 sitesUnited States
- Study dates
- Jun 2010to Jan 2013
- Phase
- Phase 2/3
- Are there results?
- Yes, posted in the registrySummary in the doctors' view
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages 18 years and older
- All sexes
- No healthy volunteers
- Adult, Older adult
Who may be able to join
- To be eligible, the following inclusion criteria must be met:
- Age >= 18 years Diagnosis of diabetes mellitus (type 1 or type 2) At least one eye meets the study eye criteria listed below Able and willing to provide informed consent.
- Vitreous hemorrhage causing vision impairment, presumed to be from proliferative diabetic retinopathy, and precluding completion of panretinal photocoagulation (or precluding assessment of completeness of prior PRP).
- Immediate vitrectomy not required (investigator and subject are willing to wait at least 8 weeks to see if hemorrhage clears sufficiently without having to proceed to vitrectomy).
- Visual acuity is light perception or better.
Who cannot join
- A subject is not eligible if any of the following exclusion criteria are present:
- A condition that, in the opinion of the investigator, would preclude participation in the study (e.g., unstable medical status including blood pressure, cardiovascular disease, and glycemic control).
- A condition that, in the opinion of the investigator, would preclude subject undergoing elective vitrectomy surgery if indicated during the study.
- Participation in an investigational trial that involved treatment with any drug within 30 days of randomization that has not received regulatory approval at the time of study entry.
- Known allergy to any component of the study drug. Blood pressure > 180/110 (systolic above 180 or diastolic above 110). Myocardial infarction, other cardiac event requiring hospitalization, stroke, transient ischemic attack, or treatment for acute congestive heart failure within 4 months prior to randomization.
- Systemic anti-VEGF or pro-VEGF treatment within 4 months prior to randomization.
Show all 18Show fewer
- For women of child-bearing potential: pregnant or lactating or intending to become pregnant within the next 4 months.
- Subject is expecting to move out of the area of the clinical center to an area not covered by another clinical center during the 12 months of the study.
- Study Eye Criteria
- The subject must have at least one eye meeting all of the inclusion criteria and none of the exclusion criteria listed below.
- A subject can have only one study eye. If both eyes are eligible at the time of randomization, the study eye will be selected by the investigator and subject before randomization.
- The eligibility criteria for a study eye are as follows:
- Prompt vitrectomy indicated, such as because of signs of rhegmatogenous retinal detachment or traction detachment involving the macula present on ultrasound.
- Exam evidence of neovascular glaucoma, angle neovascularization, or active neovascularization of the iris (small iris tufts not an exclusion).
- History of intravitreal anti-VEGF treatment for vitreous hemorrhage at any time in the past or for an indication other than vitreous hemorrhage in the past 2 months.
- History of major ocular surgery (including cataract extraction, scleral buckle, any intraocular surgery, etc.) within prior 4 months or major ocular surgery other than vitrectomy anticipated within the next 6 months following randomization.
- History of vitrectomy. History of yttrium aluminum garnet capsulotomy performed within 2 months prior to randomization.
- Aphakia. Uncontrolled glaucoma (in investigator's judgment). Exam evidence of severe external ocular infection, including conjunctivitis, chalazion, or substantial blepharitis.
Trial locations and contacts
67 sites in 1 country.
67 sites in 1 country
United States67 sites
West Texas Retina Consultants P.A.
Abilene, Texas, 79605
Emory Eye Center
Atlanta, Georgia, 30322
Georgia Retina, P.C.
Atlanta, Georgia, 30342
Southeast Retina Center, P.C.
Augusta, Georgia, 30909
Retina Research Center
Austin, Texas, 78705
Elman Retina Group, P.A.
Baltimore, Maryland, 21237
Wilmer Eye Institute at Johns Hopkins
Baltimore, Maryland, 21287-9177
Wilmer Eye Institute at Johns Hopkins
Baltimore, Maryland, 21287-9277
Retina Associates of Cleveland, Inc.
Beachwood, Ohio, 44122
Joslin Diabetes Center
Boston, Massachusetts, 02215
University of North Carolina, Dept of Ophthalmology
Chapel Hill, North Carolina, 27599-7040
Charlotte Eye Ear Nose and Throat Assoc, PA
Charlotte, North Carolina, 28210
University of Illinois at Chicago Medical Center
Chicago, Illinois, 60612
Case Western Reserve University
Cleveland, Ohio, 44106
Carolina Retina Center
Columbia, South Carolina, 29223
OSU Eye Physicians and Surgeons, LLC.
Columbus, Ohio, 43212
Denver Health Medical Center
Denver, Colorado, 80204
Henry Ford Health System, Dept of Ophthalmology and Eye Care Services
Detroit, Michigan, 48202
Medical Associates Clinic, P.C.
Dubuque, Iowa, 52002
Retina Consultants of Southwest Florida
Fort Myers, Florida, 33912
Vitreo-Retinal Associates
Grand Rapids, Michigan, 49525
Piedmont Retina Specialists, PA
Greensboro, North Carolina, 27401
Retina Associates of Hawaii, Inc.
Honolulu, Hawaii, 96813
Retina and Vitreous of Texas
Houston, Texas, 77025
Baylor Eye Physicians and Surgeons
Houston, Texas, 77030
Raj K. Maturi, M.D., P.C.
Indianapolis, Indiana, 46290
University of California, Irvine
Irvine, California, 92697
University of Florida College of Med., Department of Ophthalmology
Jacksonville, Florida, 32209
Mid-America Retina Consultants, P.A.
Kansas City, North Carolina, 64111
Southeastern Retina Associates, PC
Kingsport, Tennessee, 37660
Southeastern Retina Associates, P.C.
Knoxville, Tennessee, 37909
Florida Retina Consultants
Lakeland, Florida, 33805
Family Eye Group
Lancaster, Pennsylvania, 17601-2644
Delaware Valley Retina Associates
Lawrenceville, New Jersey, 08648
Sabates Eye Centers Research Division
Leawood, Kansas, 66211
Virginia Retina Center
Leesburg, Virginia, 20176
Retina and Vitreous Associates of Kentucky
Lexington, Kentucky, 40509-1802
Loma Linda University Health Care, Dept. of Ophthalmology
Loma Linda, California, 92354
Texas Retina Associates
Lubbock, Texas, 79424
Valley Retina Institute
McAllen, Texas, 78503
Medical College of Wiconsin
Milwaukee, Wisconsin, 53226
Retina Center, PA
Minneapolis, Minnesota, 55404
American Eye Institute
New Albany, Indiana, 47150
The New York Eye and Ear Infirmary/Faculty Eye Practice
New York, New York, 10003
Mount Sinai School of Medicine, Dept. of Ophthalmology
New York, New York, 10029
Retina Consultants of Western New York
Orchard Park, New York, 14127
Magruder Eye Institute
Orlando, Florida, 32803
Paducah Retinal Center
Paducah, Kentucky, 42001
Southern California Desert Retina Consultants, MC
Palm Springs, California, 92262
University of Pennsylvania Scheie Eye Institute
Philadelphia, Pennsylvania, 19104
Retinal Consultants of AZ
Phoenix, Arizona, 85014
Eye Care for the Adirondacks
Plattsburgh, New York, 12901
Retina Northwest, PC
Portland, Oregon, 97210
Retina Consultants of Delmarva, P.A.
Salisbury, Maryland, 21804
Medical Center Ophthalmology Associates
San Antonio, Texas, 78240
Retinal Consultants of San Antonio
San Antonio, Texas, 78240
Sarasota Retina Institute
Sarasota, Florida, 34239
University of Washington Medical Center
Seattle, Washington, 98195
Barnes Retina Institute
St Louis, Missouri, 63110
Retina-Vitreous Surgeons of Central New York, PC
Syracuse, New York, 13224
New England Retina Associates, PC
Trumbull, Connecticut, 06611
Retina Associates of Sarasota
Venice, Florida, 34285
Bay Area Retina Associates
Walnut Creek, California, 94598
The George Washington University, Department of Ophthalmology
Washington D.C., District of Columbia, 20037
Wolfe Eye Clinic
West Des Moines, Iowa, 50266
Retinal Consultants of Southern California Medical Group, Inc.
Westlake Village, California, 91361
Wake Forest University Eye Center
Winston-Salem, North Carolina, 27157
About this study
Official title: An Evaluation of Intravitreal Ranibizumab for Vitreous Hemorrhage Due to Proliferative Diabetic Retinopathy
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 from proliferative diabetic retinopathy.
Read the detailed description
In mild to moderate cases of vitreous hemorrhage, panretinal photocoagulation (PRP) is performed when possible to achieve regression of new vessels or at least stabilization of the neovascularization with no further growth in order to decrease the probability of subsequent vitreous hemorrhage while spontaneous absorption of the hemorrhage occurs. In cases in which the hemorrhage is too dense to apply PRP, vitrectomy is considered to remove the hemorrhage and provide a clear media for application of PRP (often as endolaser photocoagulation) as well as eliminate extensive neovascularization and relieve traction retinal detachments. Pars plana vitrectomy was introduced in the 1970s as a surgical intervention in diabetes for non-clearing vitreous hemorrhage, traction retinal detachment or very severe proliferative diabetic retinopathy (PDR). The goal of vitrectomy in such eyes is to remove the hemorrhage and provide a clear media for application of PRP (often as endolaser photocoagulation) as well as eliminate extensive neovascularization and relieve traction retinal detachments. Many advances in instrumentation and technique have resulted in a dramatic reduction in complications over the last few decades, but surgical complications remain including the following: neovascular glaucoma, retinal detachment, fibrinoid syndrome, endophthalmitis and hypotony with subsequent phthisis bulbi. Recovery for the subject can take up to 6 weeks.
Increased vascular endothelial growth factor (VEGF) levels have been demonstrated in the retina and vitreous of human eyes with diabetic retinopathy, especially PDR. VEGF has been demonstrated to increase vessel permeability by increasing the phosphorylation of tight junction proteins, and has been shown to increase retinal vascular permeability in in vivo models. Anti-VEGF therapy, therefore, may represent a useful therapeutic modality which targets the underlying pathogenesis of PDR while vitreous hemorrhage clears to facilitate the placement of PRP, potentially avoiding vitrectomy.
This study is designed to determine if intravitreal injections of ranibizumab will facilitate clearing of vitreous hemorrhage and avoidance of vitrectomy and its potential complications. Compared with a surgical intervention, use of an intravitreal agent associated with fewer vitrectomies would be preferable because of the reduced costs, reduced time to treatment, reduced intervention time, relatively low risk of side effects, and reduced recovery time. An intravitreal agent also would be a useful alternative for patients who are unwilling to undergo surgery. Furthermore, the study will determine the safety of this medication in the setting of PDR.
- Being tested
- Ranibizumab, Saline
- Keywords
- vitreous, hemorrhage, proliferative, diabetic, retinopathy, intravitreal, ranibizumab, Lucentis, saline, vitrectomy
- Medical subject headings
- Vitreous Hemorrhage, Hemorrhage, Retinal Diseases
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
RanibizumabDrug
Also called Lucentis
Intravitreal injection of 0.5 mg ranibizumab (Lucentis™) at baseline, 4 and 8 weeks
SalineDrug
Saline injection of 0.5mg at baseline, 4 and 8 weeks
| Study group | Role | What they receive |
|---|---|---|
| Saline Injection | Placebo comparator | Saline injection at baseline, 4 and 8 weeks Receives: Drug: Saline |
| Ranibizumab | Active comparator | Intravitreal injection of 0.5 mg ranibizumab (Lucentis™) at baseline, 4 and 8 weeks Receives: Drug: Ranibizumab |
What is being measured
The primary outcome is the main question the study is designed to answer.
Treatment or "Failure" Defined as Vitrectomy
The cumulative probabilities of vitrectomy by 16 weks (112 days) in each group were computed using the life-table method. The treatment group comparison was made using the log-rank test. Data were censored at the time point of the participant's last completed visit.
Measured: within 112 days of randomization
Safety (Injected-related, Ocular Drug-related and Systemic Drug-related)
Measured: Baseline to 16 weeks
Secondary outcomes (6)
Ability to Complete Panretinal Photocoagulation (PRP) in the Absence of Vitrectomy
The proportion of eyes with "complete" panretinal photocoagulation by 16 weeks in abscence of vitrectomy was computed using the life-table method and treatment groups were compared using the log-rank test.
Measured: within 112 days of randomization
Extent of Vitreous Hemorrhage Measured by Optical Coherence Tomography Signal Strength
Optical coherence tomography signal strength was evaluated as a potential indicator of vitreous hemorrhage density in an exploratory analysis. This analysis included only eyes with Optical Coherence Tomography (OCT) signal strength equals to 0 at baseline.
Measured: 4, 8 and 12 weeks
Visual Acuity Adjusted for the Baseline Acuity Regardless of Vitrectomy Status
Visual acuity was analyzed using a longitudinal mixed regression model adjusting for baseline visual acuity.Unit of measure is based on the E-ETDRS visual acuity letter score scale, 0-97, where 0 = worst and 97 = best.
Measured: 4, 8 and 12 weeks
Visual Acuity Better Than 20/40 and no Vitrectomy Prior to the Visit
Measured: 4, 8 and 12 weeks
Severe Visual Acuity Loss (Defined as <20/200)
Measured: 4,8 and 12 weeks
Very Severe Visual Acuity Loss (Defined as <20/800)
Measured: 4,8 and 12 weeks
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted16 Oct 2009 (estimated)
- Study startJun 2010
- Primary completionFeb 2012
- Study completionJan 2013
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Posted resultsParticipant flow, outcome measures and adverse events reported by the sponsor.
- Publications (2)Papers the sponsor has linked to this study.
- Other trials for Vitreous HemorrhageStudies of the same condition, open and under way.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Interventional
- Phase
- Phase 2/3
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Triple blind
- Who is masked
- Participant, Care provider, Investigator
- Enrolment
- 261 participants (actual)
Sponsor and investigators
- Lead sponsor
- Jaeb Center for Health Research
- Sponsor type
- University, hospital or other
- Collaborators
- National Eye Institute (NEI)
- Responsible party
- Sponsor
- Investigators
- Adam R. Glassman, MS, Study director, Jaeb Center for Health ResearchAbdhish Bhavsar, MD, Study chair, Retina Center, PA
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT00996437
- Sponsor's protocol ID
- NEI-151
- Other IDs
- U10EY018817-03, U10EY014231-09
- Acronym
- N
- Status last verified
- Aug 2016
- First submitted
- 14 Oct 2009
- Last updated
- 26 Aug 2016
- Results posted
- Yes, on ClinicalTrials.gov
- Data monitoring committee
- Yes
Publications
Bhavsar AR, Torres K, Glassman AR, Jampol LM, Kinyoun JL; Diabetic Retinopathy Clinical Research Network. Evaluation of results 1 year following short-term use of ranibizumab for vitreous hemorrhage due to proliferative diabetic retinopathy. JAMA Ophthalmol. 2014 Jul;132(7):889-90. doi: 10.1001/jamaophthalmol.2014.287. No abstract available.
PubMed 25010170Diabetic Retinopathy Clinical Research Network*. Randomized clinical trial evaluating intravitreal ranibizumab or saline for vitreous hemorrhage from proliferative diabetic retinopathy. JAMA Ophthalmol. 2013 Mar;131(3):283-93. doi: 10.1001/jamaophthalmol.2013.2015.
PubMed 23370902
Study at a glance
From the registry record, last updated by the sponsor on 26 Aug 2016. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- An Evaluation of Intravitreal Ranibizumab for Vitreous Hemorrhage Due to Proliferative Diabetic Retinopathy
- ClinicalTrials.gov ID
- NCT00996437
- Acronym / sponsor ID
- N / NEI-151
- Keywords
- vitreous, hemorrhage, proliferative, diabetic, retinopathy, intravitreal, ranibizumab, Lucentis
- Phase
- Phase 2/3
- Study type
- Interventional
- Recruitment status
- Completed
- Enrolment
- 261 participants (actual)
- Lead sponsor
- Jaeb Center for Health ResearchUniversity, hospital or other
- Collaborators
- National Eye Institute (NEI)
- Study start
- Jun 2010
- Primary completion
- Feb 2012 (actual)
- Study completion
- Jan 2013 (actual)
- First posted
- 16 Oct 2009 (estimated)
- Results
- Posted 16 May 2013
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
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 from proliferative diabetic retinopathy.
Detailed description
In mild to moderate cases of vitreous hemorrhage, panretinal photocoagulation (PRP) is performed when possible to achieve regression of new vessels or at least stabilization of the neovascularization with no further growth in order to decrease the probability of subsequent vitreous hemorrhage while spontaneous absorption of the hemorrhage occurs. In cases in which the hemorrhage is too dense to apply PRP, vitrectomy is considered to remove the hemorrhage and provide a clear media for application of PRP (often as endolaser photocoagulation) as well as eliminate extensive neovascularization and relieve traction retinal detachments. Pars plana vitrectomy was introduced in the 1970s as a surgical intervention in diabetes for non-clearing vitreous hemorrhage, traction retinal detachment or very severe proliferative diabetic retinopathy (PDR). The goal of vitrectomy in such eyes is to remove the hemorrhage and provide a clear media for application of PRP (often as endolaser photocoagulation) as well as eliminate extensive neovascularization and relieve traction retinal detachments. Many advances in instrumentation and technique have resulted in a dramatic reduction in complications over the last few decades, but surgical complications remain including the following: neovascular glaucoma, retinal detachment, fibrinoid syndrome, endophthalmitis and hypotony with subsequent phthisis bulbi. Recovery for the subject can take up to 6 weeks.
Increased vascular endothelial growth factor (VEGF) levels have been demonstrated in the retina and vitreous of human eyes with diabetic retinopathy, especially PDR. VEGF has been demonstrated to increase vessel permeability by increasing the phosphorylation of tight junction proteins, and has been shown to increase retinal vascular permeability in in vivo models. Anti-VEGF therapy, therefore, may represent a useful therapeutic modality which targets the underlying pathogenesis of PDR while vitreous hemorrhage clears to facilitate the placement of PRP, potentially avoiding vitrectomy.
This study is designed to determine if intravitreal injections of ranibizumab will facilitate clearing of vitreous hemorrhage and avoidance of vitrectomy and its potential complications. Compared with a surgical intervention, use of an intravitreal agent associated with fewer vitrectomies would be preferable because of the reduced costs, reduced time to treatment, reduced intervention time, relatively low risk of side effects, and reduced recovery time. An intravitreal agent also would be a useful alternative for patients who are unwilling to undergo surgery. Furthermore, the study will determine the safety of this medication in the setting of PDR.
Study design
- Primary purpose
- Treatment
- Allocation
- Randomised
- Intervention model
- Parallel groups
- Masking
- Triple blind (participant, care provider, investigator)
- Number of arms
- 2
| Arm | Type | Receives |
|---|---|---|
| Saline Injection | Placebo comparator | Drug: SalineSaline injection at baseline, 4 and 8 weeks |
| Ranibizumab | Active comparator | Drug: RanibizumabIntravitreal injection of 0.5 mg ranibizumab (Lucentis™) at baseline, 4 and 8 weeks |
Who may qualify
- Ages
- 18 years and older
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Adult, Older adult
Key inclusion criteria (5 listed)
- Age >= 18 years Diagnosis of diabetes mellitus (type 1 or type 2) At least one eye meets the study eye criteria listed below Able and willing to provide informed consent.
- Vitreous hemorrhage causing vision impairment, presumed to be from proliferative diabetic retinopathy, and precluding completion of panretinal photocoagulation (or precluding assessment of completeness of prior PRP).
- Immediate vitrectomy not required (investigator and subject are willing to wait at least 8 weeks to see if hemorrhage clears sufficiently without having to proceed to vitrectomy).
- Visual acuity is light perception or better.
Key exclusion criteria (18 listed)
- A condition that, in the opinion of the investigator, would preclude participation in the study (e.g., unstable medical status including blood pressure, cardiovascular disease, and glycemic control).
- A condition that, in the opinion of the investigator, would preclude subject undergoing elective vitrectomy surgery if indicated during the study.
- Participation in an investigational trial that involved treatment with any drug within 30 days of randomization that has not received regulatory approval at the time of study entry.
- Known allergy to any component of the study drug. Blood pressure > 180/110 (systolic above 180 or diastolic above 110). Myocardial infarction, other cardiac event requiring hospitalization, stroke, transient ischemic attack, or treatment for acute congestive heart failure within 4 months prior to randomization.
- Systemic anti-VEGF or pro-VEGF treatment within 4 months prior to randomization.
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| RanibizumabAlso: LucentisIntravitreal injection of 0.5 mg ranibizumab (Lucentis™) at baseline, 4 and 8 weeks | Drug | Ranibizumab |
| SalineSaline injection of 0.5mg at baseline, 4 and 8 weeks | Drug | Saline Injection |
Primary outcome
Treatment or "Failure" Defined as Vitrectomy
Time frame: within 112 days of randomization
The cumulative probabilities of vitrectomy by 16 weks (112 days) in each group were computed using the life-table method. The treatment group comparison was made using the log-rank test. Data were censored at the time point of the participant's last completed visit.
Safety (Injected-related, Ocular Drug-related and Systemic Drug-related)
Time frame: Baseline to 16 weeks
6 secondary outcomes
Ability to Complete Panretinal Photocoagulation (PRP) in the Absence of Vitrectomy
Time frame: within 112 days of randomization
Extent of Vitreous Hemorrhage Measured by Optical Coherence Tomography Signal Strength
Time frame: 4, 8 and 12 weeks
Visual Acuity Adjusted for the Baseline Acuity Regardless of Vitrectomy Status
Time frame: 4, 8 and 12 weeks
Visual Acuity Better Than 20/40 and no Vitrectomy Prior to the Visit
Time frame: 4, 8 and 12 weeks
Severe Visual Acuity Loss (Defined as <20/200)
Time frame: 4,8 and 12 weeks
Very Severe Visual Acuity Loss (Defined as <20/800)
Time frame: 4,8 and 12 weeks
Results and safety
Loading the posted results from ClinicalTrials.gov…
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 26 Aug 2016.
- Posted resultsParticipant flow, baseline, all outcome measures and adverse events.
- Background: PubMed 25010170Bhavsar AR, Torres K, Glassman AR, Jampol LM, Kinyoun JL; Diabetic Retinopathy Clinical Research Network. Evaluation of results 1 year following short-term use of ranibizumab for vitreous hemorrhage due to proliferative diabetic retinopathy. JAMA Ophthalmol. 2014 Jul;132(7):889-90. doi: 10.1001/jamaophthalmol.2014.287. No abstract available.
- Results publication: PubMed 23370902Diabetic Retinopathy Clinical Research Network*. Randomized clinical trial evaluating intravitreal ranibizumab or saline for vitreous hemorrhage from proliferative diabetic retinopathy. JAMA Ophthalmol. 2013 Mar;131(3):283-93. doi: 10.1001/jamaophthalmol.2013.2015.
- Jaeb Center for Health ResearchLink provided by the sponsor.
Related trials for Vitreous Hemorrhage
RecruitingObservational study
Surgical Procedure Efficiency Evaluation stuDy
Cataract, Vitreous Hemorrhage
Not yet recruitingObservational study
Study on Eye-Brain Cross-Organ Mapping and Systemic Disease Association Based on Multimodal Big Data
Cataract, Vitreous Hemorrhage
Not yet recruitingPhase 4
Continuous Delivery of Ranibizumab Via the Port Delivery System for Proliferative Diabetic Retinopathy-related Vitreous Hemorrhage With Pars Plana Vitrectomy and Limited PRP.
Proliferative Diabetic Retinopathy, Diabetic Retinopathy
Enrolling by invitationPhase 4
Pre-operative Vabysmo in Patients With Non-clearing Vitreous Hemorrhage Secondary to Proliferative Diabetic Retinopathy
Diabetic Retinopathy, Vitreous Hemorrhage Due to Diabetes Mellitus
Recruiting
Immediate Postoperative Bevacizumab Administration in Proliferative Diabetic Retinopathy Patients Undergoing Vitrectomy
Proliferative Diabetic Retinopathy - High Risk
Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Adam R. Glassman, MS study director
Jaeb Center for Health Research
Abdhish Bhavsar, MD study chair
Retina Center, PA
67 sites in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
A Phase 2/3 study testing Ranibizumab and Saline in people with Vitreous Hemorrhage and Proliferative Diabetic Retinopathy, run by Jaeb Center for Health Research at 67 sites in United States.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 5 inclusion and 18 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 26 Aug 2016. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 67 sites in United States. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. Some participants in this study may receive a placebo. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
What does this combined phase mean?
Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.
Phase 3 studies compare the treatment with the current standard treatment or a placebo in a large group, to confirm how well it works and watch for side effects.
Not every study follows the same path, and some studies (observational studies, device studies) have no phase.
Are results available for this study?
Yes. Results are posted in the registry (first posted 16 May 2013). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Treatment or "Failure" Defined as Vitrectomy (time frame: within 112 days of randomization). The study lists 2 primary outcomes in all. It is what the study was designed to measure, not a finding.
Where can I read the original study information?
On the ClinicalTrials.gov record for NCT00996437, which also lists 2 linked publications.
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 26 Aug 2016.