Clinical trials: Visual Impairment
Albinism, Vision Loss
Nitisinone for Type 1B Oculocutaneous Albinism
Background: Oculocutaneous albinism, type 1B (OCA1B) is a genetic disease caused by problems in the gene that makes tyrosine. Tyrosine is an amino acid needed to produce pigment in the skin, hair, and eyes.
- Trial name
- NCT01838655
- Testing
- Nitisinone
- Where
- United States
- Volunteers
- 5 people
- Sponsor
- National Eye Institute (NEI)
Neovascular Age-related Macular Degeneration
Efficacy and Safety of Ranibizumab 0.5 mg Administered as Two Alternative Dosing Regimens in Chinese Patients With nAMD (Age Related Macular Degeneration)
The study evaluated the efficacy and safety of two different dosing regimens of ranibizumab (either monthly injections or injections as-needed based on the stability of a patient's vision) in Chinese patients with wet age-related…
- Trial name
- DRAGON (NCT01775124)
- Testing
- Ranibizumab
- Where
- 23 sites in China
- Volunteers
- 332 people
- Sponsor
- Novartis Pharmaceuticals
Macular Edema, Macular Degeneration
Efficacy and Safety of Lucentis® Use in Patients With Diabetic Macular Edema Evaluating a Spaced Out Follow-up After Intensive Treatment Phase
The study was designed to assess the efficacy and safety of Lucentis® (ranibizumab 0.5 mg) in diabetic patients presenting with reduced visual acuity due to diabetic macular edema and evaluating spacing out of follow-up after…
- Conditions
- Macular Edema, Macular Degeneration, Diabetes
- Trial name
- CONSTELLATION (NCT02032173)
- Testing
- Ranibizumab 0.5mg
- Where
- 10 sites in France
- Volunteers
- 31 people
- Sponsor
- Novartis Pharmaceuticals
Macular Edema
Safety and Effect on Central Retinal Thickness of BI 1026706 in Patients With Diabetic Macular Edema
This is a proof of mechanism trial to explore the effect of BI 1026706 on the central retinal thickness and to evaluate safety and tolerability of BI 1026706 administered orally for 12 weeks in patients with mild vision…
- Trial name
- NCT02732951
- Testing
- BI 1026706
- Where
- 35 sites in Belgium, France and 6 more
- Volunteers
- 105 people
- Sponsor
- Boehringer Ingelheim
Diabetic Macular Edema
A Study to Evaluate the Efficacy, Durability, and Safety of KSI-301 Compared to Aflibercept in Participants With Diabetic Macular Edema (DME)
This Phase 3 study will evaluate the efficacy, durability, and safety of KSI-301 compared to aflibercept in participants with treatment-naïve DME.
- Trial name
- GLIMMER (NCT04603937)
- Testing
- KSI-301, Aflibercept
- Where
- 72 sites in United States, Czechia and 6 more
- Volunteers
- 459 people
- Sponsor
- Kodiak Sciences Inc
Branch Retinal Vein Occlusion
Assessing the Efficacy and Safety of Brolucizumab Versus Aflibercept in Patients With Visual Impairment Due to Macular Edema Secondary to Branch Retinal Vein Occlusion
The purpose of this study was to evaluate the efficacy and safety of brolucizumab in treatment of patients with macular edema (ME) secondary to branch retinal vein occlusion (BRVO).
- Trial name
- RAPTOR (NCT03802630)
- Testing
- Brolucizumab 6 mg, Aflibercept 2 mg
- Where
- 102 sites in United States, Austria and 17 more
- Volunteers
- 450 people
- Sponsor
- Novartis Pharmaceuticals
Visual Impairment Due to Choroidal Neovascularization (CNV) Secondary to Pathologic Myopia (PM)
Efficacy and Safety of Ranibizumab 0.5 vs Verteporfin PDT in Patients With Visual Impairment Due to Choroidal Neovascularization Secondary to Pathologic Myopia
This study was designed to evaluate the efficacy and safety of two different dosing regimens of 0.5 mg ranibizumab given as intravitreal injection in comparison to verteporfin PDT in patients with visual impairment due to…
- Trial name
- Brilliance (NCT01922102)
- Testing
- Ranibizumab 0.5mg, Ranibizumab 0.5 mg, Verteporfin PDT
- Where
- 47 sites in China, Hong Kong and 4 more
- Volunteers
- 457 people
- Sponsor
- Novartis Pharmaceuticals
Visual Impairment, Amblyopia Suspect
DigiVis: Self-testing Vision App for Telephone Consultations
This trial aims to assess the accuracy and test-retest variability of a new digital app which enables community visual acuity testing without requirement of an trained examiner.
- Trial name
- NCT04482387
- Testing
- DigiVis visual acuity app
- Where
- United Kingdom
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Cambridge University Hospitals NHS Foundation Trust
Anterior Ischemic Optic Neuropathy
PDE5 Inhibitor Use and Non-arteritic Anterior Ischemic Optic Neuropathy (NAION)
The primary objective of this study is to determine whether the use of PDE5 inhibitors (vardenafil, sildenafil, or tadalafil) increases the risk for the development of NAION.
- Trial name
- NCT00867815
- Testing
- Diagnostic procedures
- Where
- 13 sites in United States, Australia and 1 more
- Volunteers
- 10 people
- Sponsor
- Bayer
Mesopic Vision, Night Vision Loss
Safety and Efficacy of 0.75% Phentolamine Ophthalmic Solution in Subjects With Post-refractive Surgery Visual Disturbances
Safety and efficacy of 0.75% Phentolamine Ophthalmic Solution to improve mesopic low contrast visual acuity in subjects with post-refractive surgery visual disturbances.
- Trial name
- LYNX-2 (NCT06349759)
- Testing
- phentolamine ophthalmic solution 0.75%, a non-selective alpha-1 and alpha-2 adrenergic antagonist
- Where
- 25 sites in United States
- Volunteers
- 200 people
- Sponsor
- Opus Genetics, Inc
Mild Cognitive Impairment, Metabolic Syndrome
Dietary Ketosis: Fatty Acids Activate AMPK Energy Circuits Modulating Global Methylation
The study explores whether selective memory complaints (SMC), mild cognitive impairment (MCI) and the comorbidity of Metabolic Syndrome symptomatic of peripheral and cerebral hypo-metabolism with corresponding epigenetic shifts…
- Trial name
- NCT03319173
- Testing
- Dietary intervention
- Where
- United States
- Volunteers
- 98 people, healthy volunteers welcome
- Sponsor
- Bristlecone Health, Inc.
Low Vision, Age Related Macular Degeneration
Early Feasibility Study Using IOPCL MAG to Improve Near Vision in ARMD Subjects
This early feasibility study aims to improve near vision in subjects 55 years or older who have a clinical diagnosis of Age-Related Macular Degeneration.
- Trial name
- NCT04984590
- Testing
- IOPCL AMD MAG
- Where
- United States
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- OnPoint Vision Inc
Diabetic Macular Edema
Safety, Efficacy and Cost-efficacy of Ranibizumab (Monotherapy or Combination With Laser) in the Treatment of Diabetic Macular Edema (DME)
To evaluate, specifically within the Canadian medical environment, the efficacy, safety and cost-efficacy of ranibizumab administered either as combination therapy (ranibizumab plus laser photocoagulation), or as monotherapy in…
- Trial name
- RESPOND (NCT01135914)
- Testing
- ranibizumab, Laser
- Where
- 20 sites in Canada
- Volunteers
- 241 people
- Sponsor
- Novartis Pharmaceuticals
Low Vision, Both Eyes
Virtual Reality-Base Intelligent Orientation and Mobility Specialists Trial
The human subject research is a randomized, controlled training trial that tests the effectiveness of three Virtual Reality-based Intelligent Orientation and Mobility Specialists (VR-IOMSs) in teaching orientation and mobility…
- Trial name
- VR-IOMS (NCT04639531)
- Testing
- Orientation and Mobility Training with VR-IOMSs, Orientation and Mobility Training with COMS, No Orientation and Mobility Training
- Where
- 2 sites in United States
- Volunteers
- 117 people
- Sponsor
- University of Alabama at Birmingham
Glaucoma
Does Using a Low Vision Aid Device Improve Quality of Life in Glaucoma Patients?
To determine the impact of OrCam over 1 month on health-related quality of life (HRQoL) in subjects with advanced glaucoma using the National Eye Institute Visual Function Questionnaire 25 (NEI-VFQ-25).
- Trial name
- NCT02526680
- Testing
- OrCam
- Where
- United States
- Volunteers
- 27 people
- Sponsor
- Wills Eye
Nonexudative Age-Related Macular Degeneration, Unspecified Eye, Intermediate Dry Stage
A Study of an Encapsulated Cell Technology (ECT) Implant for Patients With Atrophic Macular Degeneration
The purpose of this study is to look at the safety and effectiveness of CNTF implants on vision in participants with atrophic macular degeneration.
- Trial name
- NCT00447954
- Testing
- High Dose NT-501 implant, Low Dose NT-501 implant
- Where
- 8 sites in United States
- Volunteers
- 53 people
- Sponsor
- Neurotech Pharmaceuticals
Choroidal Neovascularization Secondary to Pathologic Myopia
A Study of the Criteria Establishing the Need for Re-treatment With Ranibizumab Upon Relapse in Patients With Visual Impairment Due to Choroidal Neovascularization Secondary to Pathologic Myopia.
The primary objective of the study was to investigate current criteria driving re-treatment in patients affected by Choroidal Neovascularization (CNV) secondary to Pathologic Myopia (PM) and experiencing a relapse of the disease…
- Trial name
- OLIMPIC (NCT02034006)
- Testing
- Ranibizumab
- Where
- 31 sites in Italy
- Volunteers
- 200 people
- Sponsor
- Novartis Pharmaceuticals
Retinal Vein Occlusion, Age Related Macular Degeneration
Efficacy and Safety of Lucentis® (Ranibizumab Intravitreal Injections) in Chilean Patients With Diabetic Macular Edema.
Ranibizumab is a humanized anti-vascular endothelial growth factor (VEGF) monoclonal antibody fragment approved in Chile by the Instituto de Salud Pública for the treatment of diabetic macular edema (DME), retinal vein occlusion…
- Trial name
- NCT02140411
- Testing
- Ranibizumab Intravitreal injections
- Where
- Chile
- Volunteers
- 21 people
- Sponsor
- Novartis Pharmaceuticals
Diabetic Macular Edema
Efficacy and Safety of Brolucizumab vs Aflibercept in Patients With Visual Impairment Due to Diabetic Macular Edema
The purpose of this study was to evaluate the efficacy and safety of brolucizumab vs. aflibercept in the treatment of patients with visual impairment due to diabetic macular edema (DME).
- Trial name
- KINGFISHER (NCT03917472)
- Testing
- Brolucizumab, Aflibercept
- Where
- 92 sites in United States, Hungary and 3 more
- Volunteers
- 517 people
- Sponsor
- Novartis Pharmaceuticals
Diabetes Mellitus, Macular Edema
Intravitreal Aflibercept Injection in Vision Impairment Due to DME
To determine the efficacy of intravitreally (IVT) administered VEGF Trap-Eye on the best-corrected visual acuity (BCVA) assessed by the early treatment diabetic retinopathy study (ETDRS) chart in subjects with diabetic macular…
- Trial name
- VIVID-DME (NCT01331681)
- Testing
- VEGF Trap-Eye (BAY86-5321), Macular Laser Photocoagulation (Control)
- Where
- 73 sites in Australia, Austria and 9 more
- Volunteers
- 406 people
- Sponsor
- Bayer