Clinical trials: Pigment Deposition
Glaucoma
Patient Preference Comparison of AZARGA Versus COSOPT in Patients With Glaucoma
The purpose of this study is to assess patient preference of AZARGA® compared to COSOPT® after a single drop of each medication is administered to both eyes, in patients with open-angled glaucoma or ocular hypertension.
- Trial name
- NCT01471158
- Testing
- Brinzolamide/Timolol Maleate Fixed Combination (AZARGA), Dorzolamide/timolol Maleate Fixed Combination (COSOPT)
- Where
- Argentina
- Volunteers
- 120 people
- Sponsor
- Alcon Research
Age-Related Macular Degeneration
The Influence of Lutein Supplements on Age-related Macular Degeneration
Rationale: Age-related macular degeneration is the most common cause of blindness in the industrialized world. Macular pigment is hypothesized to protect against the vision loss in this disease. Objective: 1.
- Trial name
- NCT01042860
- Testing
- Lutein
- Where
- 2 sites in Netherlands, United Kingdom
- Volunteers
- 80 people
- Sponsor
- Maastricht University Medical Center
Melasma
Fractional Photothermolysis for Treating Melasma
In several observational studies, non-ablative fractional photothermolysis (FP) has been reported to bridge the gap between efficacy and tolerability in the treatment of melasma.
- Trial name
- NCT01245881
- Testing
- Non-ablative fractional photothermolysis laser, broad-spectrum sunblock (SPF 50+)
- Where
- Germany
- Volunteers
- 51 people
- Sponsor
- Laserklinik Karlsruhe
Glaucoma, Healthy
Cause of Pigment Dispersion Syndrome
The purpose of this study is to learn how pigment is released from the iris (the colored part of the eye) in patients with pigment dispersion syndrome.
- Conditions
- Glaucoma, Healthy, Pigment Dispersion Syndrome
- Trial name
- NCT00005919
- Where
- United States
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- National Eye Institute (NEI)
Dry AMD With Macular Drusen
Repeatability and Reproducibility of Cirrus HD-OCT Macular Retinal Pigment Epithelium Elevation
The objective of this study is to determine the repeatability and reproducibility of the Cirrus HD-OCT measurements of drusen area and volume.
- Trial name
- NCT01890174
- Where
- United States
- Volunteers
- 54 people
- Sponsor
- Carl Zeiss Meditec, Inc.
Sunscreening Agent
Sun Protection Factor Assay
To evaluate the Sun Protection Factor efficacy on human skin.
- Trial name
- SPF Assay (NCT02803060)
- Testing
- Coppertone (BAY987516)
- Where
- United States
- Volunteers
- 15 people
- Sponsor
- Bayer
Age-Related Macular Degeneration
The Role of Inflammation in AMD and Related Disorders
This prospective, non-therapeutic study will compare the relative utility of multiple ocular imaging modalities in the detection of the cellular immune response in patients with AMD and related disorders.
- Trial name
- NCT02588378
- Testing
- multi-modal cSLO imaging
- Where
- Canada
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Unity Health Toronto
Glaucoma
Assessing the Efficacy and Tolerability of AZARGA® (Brinzolamide 1%/Timolol 0.5% Fixed Combination) as Replacement Therapy in Patients on Brimonidine 0.2%/Timolol 0.5% Fixed Combination Therapy (COMBIGAN®) in Latin America
The purpose of this study was to assess the efficacy and tolerability of changing to AZARGA® from prior COMBIGAN® pharmacotherapy in participants with open-angle glaucoma or ocular hypertension.
- Trial name
- NCT01518244
- Testing
- Brinzolamide/timolol maleate fixed combination
- Volunteers
- 50 people
- Sponsor
- Alcon Research
Sunscreening Agents
18751-Sun Protection Factor Assay.
To evaluate the Sun Protection Factor (SPF) efficacy on human skin.
- Trial name
- SPF Assay (NCT02739802)
- Testing
- Coppertone(BAY987517)
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Bayer
Macular Degenerative Disease
A Safety Surveillance Study in Subjects With Macular Degenerative Disease Treated With Human Embryonic Stem Cell-derived Retinal Pigment Epithelial Cell Therapy
The purpose of this study is to is to evaluate the occurrence of late onset (i.e., greater than 5 years after treatment) adverse events of special interest (AESI) in participants who have received sub-retinal transplant of human…
- Trial name
- NCT03167203
- Testing
- Human Embryonic Stem Cell-Derived Retinal Pigment Epithelial Cells
- Where
- 2 sites in United States, United Kingdom
- Volunteers
- 36 people
- Sponsor
- Astellas Institute for Regenerative Medicine
Choroidal Neovascularization, Retinal Pigment Epithelial Detachment
Study to Investigate the Safety and Efficacy of Ranibizumab in Patients With Choroidal Neovascularisation Due to Causes Other Than Age Related Macular Degeneration
The investigators hypothesize that it is safe and effective to treat patients with choroidal neovascularisation (abnormal blood vessels growing under the retina) secondary to causes other than age related macular degeneration…
- Trial name
- NCT01628354
- Testing
- Ranibizumab
- Where
- Australia
- Volunteers
- 49 people
- Sponsor
- University of Melbourne
Skin Whitening
Role of Oral Glutathione in Skin Whitening
Oral and intravenous glutathione have been used widely to whiten the skin. The investigators tested this hypothesis by giving oral glutathione for 4 weeks to medical students.
- Trial name
- NCT01016080
- Testing
- glutathione
- Where
- Thailand
- Volunteers
- 60 people
- Sponsor
- Chulalongkorn University
Diabetic Retinopathy, Retinal Degeneration
The Effect of Laser Treatment on Macular Pigment of Eye in Cases With Diabetes
It has been hypothesized that thermal damage of laser pan-retinal photocoagulation may affect macular pigment as well as inner layer cells in the retina, so it was aimed to investigate possible effect of conventional laser…
- Conditions
- Diabetic Retinopathy, Retinal Degeneration, Macula Abnormality, Laser Burn of Retina
- Trial name
- NCT03150654
- Testing
- Laser pan-retinal photocoagulation
- Volunteers
- 36 people
- Sponsor
- Afyon Kocatepe University Hospital
Neovascular Age-related Macular Degeneration
Development of an Optimal Algorithm for the Management of Patients With Retinal Pigment Epithelium Detachment in Neovascular Age-related Macular Degeneration Using Artificial Intelligence
The study involves the development of an algorithm for predicting anatomical and functional results of therapy with angiogenesis inhibitors in patients with retinal pigment epithelium detachments in neovascular age-related…
- Trial name
- NCT05208931
- Testing
- Anti-vascular endothelial growth factor therapy
- Where
- Russia
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- The S.N. Fyodorov Eye Microsurgery State Institution
Ocular Albinism (OA), Oculocutaneous Albinism (OCA)
The Effects of Lutein and Zeaxanthin Supplementation on Vision in Patients With Albinism
The LUVIA study is a randomized placebo-controlled trial designed to investigate the effects of lutein and zeaxanthin supplementation on macular pigment and visual function in ocular or oculocutaneous albinism.
- Trial name
- LUVIA (NCT02200263)
- Testing
- Lutein plus Zeaxanthin
- Where
- United States
- Volunteers
- 10 people
- Sponsor
- Johns Hopkins University
Healthy
Plant Pigments for Human Health: Impact of Lycopene and Anthocyanins on Bioefficacy of Provitamin A Carotenoids From Carrots
The proposed research will help characterize the impact that simultaneous consumption of anthocyanins and carotenoids has on the bioavailability of the provitamin A carotenoids a-carotene and b-carotene and the non-provitamin A…
- Trial name
- NCT05319548
- Testing
- Purple-Red Carrot Juice, Red Carrot Juice, Purple Carrot Juice
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Madison
Age Related Macular Degeneration, Geographic Atrophy
Cirrus HD-OCT Measurement of Area of Increased Light Penetration Under the Retinal Pigment Epithelium (RPE)
The objective of this study is to compare Cirrus HD-OCT automated measurements of the illumination area under the retinal pigment epithelium (RPE) to expert manual measurements of areas of hypofluorescence typical of geographic…
- Trial name
- NCT01272076
- Where
- 2 sites in United States
- Volunteers
- 85 people
- Sponsor
- Carl Zeiss Meditec, Inc.
Sunscreening Agent
Sun Protection Factor Assay
To evaluate the Sun Protection Factor efficacy on human skin.
- Trial name
- SPF Assay (NCT02803021)
- Testing
- Coppertone (BAY987517)
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Bayer
Sunscreening Agent
Sun Protection Factor Assay
To evaluate the Sun Protection Factor efficacy on human skin.
- Trial name
- SPF Assay (NCT02822248)
- Testing
- Coppertone (BAY987516)
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Bayer
Sunscreening Agents
Sun Protection Factor Assay (317/2016)
To evaluate the Sun Protection Factor efficacy on human skin.
- Trial name
- SPF Assay (NCT02995018)
- Testing
- BAY987521, SPF Control
- Where
- United States
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- Bayer