Clinical trials: Pigment Disorders
Obesity, Acanthosis Nigricans
Children's Healthy Living Community Randomized Trial
The goal is to build social/cultural, political/economic, and physical/built environments that will promote active play and intake of healthy food to prevent young child obesity in the Pacific Region.
- Conditions
- Obesity, Acanthosis Nigricans, Central Obesity
- Trial name
- CHL (NCT01881373)
- Testing
- CHL program, Delayed Optimized CHL program
- Where
- United States
- Volunteers
- 9,840 people, healthy volunteers welcome
- Sponsor
- University of Hawaii
RAS Mutation, Neurofibromatosis 1
RASopathy Biorepository
The RASopathies are a group of developmental disorders caused by genetic changes in the genes that compose the Ras/mitogen activated protein kinase (MAPK) pathway. New RASopathies are being diagnosed frequently.
- Conditions
- RAS Mutation, Neurofibromatosis 1, Noonan Syndrome, Noonan Syndrome With Multiple Lentigines
- Trial name
- NCT04395495
- Where
- United States
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Children's Hospital Medical Center, Cincinnati
Macular Pigmentation, Skin Pigment
Macular Pigment Measurements in Eye & Other Tissues
The purpose of this study is to understand the role of nutrition and its effects on the eye and other tissues. The investigators propose to study this by validating and correlating various non-invasive measurement methods of…
- Trial name
- NCT03022773
- Testing
- Carotenoid measurements
- Where
- United States
- Volunteers
- 10,000 people, healthy volunteers welcome
- Sponsor
- University of Utah
Diabetic Retinopathy, DR
Epivascular Glia Regression and Macular Pigment Restoration After Faricimab in Diabetic Retinopathy
The aim of the study is to evaluate in diabetic patients affected by diabetic retinopathy epivascular glia regression and macular pigment restoration after faricimab injection in diabetic retinopathy in a 1 year follow up
- Trial name
- GLIA-MAC (NCT07526857)
- Testing
- Faricimab Injection [Vabysmo], Aflibercept (2.0 mg)
- Where
- Italy
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Federico II University
Leber Congenital Amaurosis (LCA), Retinitis Pigmentosa (RP)
Natural History Study in Inherited Retinal Disease Subjects Caused by Mutations in RPE65 or LRAT
To evaluate the natural history of visual function in subjects with IRD phenotypically diagnosed as Leber congenital amaurosis (LCA) or retinitis pigmentosa (RP) caused by RPE65 or LRAT gene mutations.
- Trial name
- NCT02575430
- Testing
- No treatment: retrospective chart review
- Where
- 9 sites in United States, Canada and 5 more
- Volunteers
- 59 people
- Sponsor
- QLT Inc.
Vitiligo
Assess the Long Term Efficacy and Safety of Ruxolitinib Cream in Participants With Vitiligo
The purpose of this study is to evaluate the duration of response following withdrawal of ruxolitinib cream (Cohort A vehicle group), safety and maintenance of response with continued use of ruxolitinib cream in participants who…
- Trial name
- NCT04530344
- Testing
- ruxolitinib, Vehicle
- Where
- 84 sites in United States, Bulgaria and 6 more
- Volunteers
- 458 people
- Sponsor
- Incyte Corporation
Vitiligo
Phase II Clinical Trial of MH004 Ointment in Patients With Non-segmental Vitiligo
This is a multicenter, randomized, double-blind, vehicle-controlled phase II study of MH004 Ointment with a 28-week open-label long-term safety extension period.
- Trial name
- NCT07181187
- Testing
- MH004 Ointment, Vehicle Ointment
- Where
- China
- Volunteers
- 156 people
- Sponsor
- Minghui Pharmaceutical (Hangzhou) Ltd
Vitiligo, Repigmentation
Topical Bimatoprost Solution 0.03%in Stable Vitiligo
Vitiligo is an acquired depigmentation disorder of great cosmetic importance, affecting 1-4% of the world's population. Phototherapy and topical agents such as corticosteroids, calcineurin inhibitors, and vitamin-D derivatives…
- Trial name
- NCT01202513
- Testing
- Bimatoprost 0.03% topical ophthalmic solution
- Volunteers
- 20 people
- Sponsor
- Gian Sagar Medical College and Hospital
Albinism
Trial of L-DOPA as a Treatment to Improve Vision in Albinism
This project will evaluate the effect of two doses of levodopa (L-DOPA) in a randomized, placebo-controlled, double-masked clinical trial to see if vision can be improved in individuals with albinism.
- Trial name
- NCT01176435
- Testing
- Levodopa
- Where
- United States
- Volunteers
- 45 people
- Sponsor
- University of Minnesota
Oculocutaneous Albinism
Clinical, Cellular, and Molecular Investigation Into Oculocutaneous Albinism
Oculocutaneous albinism (OCA) is a term used to describe inherited forms of hypopigmentation associated with 1) variable levels of cutaneous hypopigmentation, ocular hypopigmentation, and visual deficits, and 2) involvement of…
- Trial name
- NCT00808106
- Where
- United States
- Volunteers
- 206 people
- Sponsor
- National Human Genome Research Institute (NHGRI)
Hyperpigmentation, Post-inflammatory Hyperpigmentation
The Effects of Cetyl Tranexamate Mesylate on the Appearance of Acne-Related Hyperpigmentation
The purpose of this study is to assess the effects of Cetyl Tranexamate Mesylate on acne-related hyperpigmentation through a specific delivery form known as TeraCeutic TXVector.
- Conditions
- Hyperpigmentation, Post-inflammatory Hyperpigmentation, Acne
- Trial name
- NCT06080035
- Testing
- Topical Cetyl Tranexamate Mesylate
- Where
- United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Integrative Skin Science and Research
DNA Repair Disorder, Cockayne Syndrome
Natural History Study for DNA Repair Disorders
This will be a single-center, single-arm, non-interventional natural history study to evaluate the longitudinal clinical course, functional outcome measures, and candidate biomarkers for individuals with DNA repair disorders…
- Conditions
- DNA Repair Disorder, Cockayne Syndrome, Xeroderma Pigmentosum, Trichothiodystrophy
- Trial name
- NCT05484570
- Testing
- Interval History, Physical Examination, ECAB Assessment
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- University of Minnesota
Melanoma, Dysplastic Nevi
Family Study of Melanoma in Italy
During the course of a case-control study of melanoma conducted at the Bufalini Hospital, Cesena, Italy in the years 1994-1996, 20 families with 2 or 3 melanoma cases were identified and studied.
- Conditions
- Melanoma, Dysplastic Nevi, Melanocytic Nevi
- Trial name
- NCT00339222
- Where
- 7 sites in Italy, Spain
- Volunteers
- 1,708 people, healthy volunteers welcome
- Sponsor
- National Cancer Institute (NCI)
Acanthosis Nigricans
Study of Efficacy of Metformin in the Treatment of Acanthosis Nigricans in Children With Obesity
Obesity is often accompanied by insulin resistance and/or hyperinsulinemia. Acanthosis nigricans (AN) is a skin condition commonly present on the neck of obese children.
- Trial name
- NCT02438020
- Testing
- Metformin
- Where
- Mexico
- Volunteers
- 30 people
- Sponsor
- Juan Pablo Castanedo-Cazares
Diabetes, Diabetes Mellitus
Thrombospondin-1 and Pigmented Epithelium Derived Factor Levels in Patients With Diabetes Mellitus.
You are being asked to be in a research study to determine blood levels and vitreous levels of compounds called thrombospondin 1 (TSP1) and pigment epithelium derived factor (PEDF). These compounds exists naturally in your body.
- Trial name
- PEDF (NCT01809093)
- Testing
- Blood draw
- Where
- United States
- Volunteers
- 90 people
- Sponsor
- MidAtlantic Retina
Leber Congenital Amaurosis
Safety Study in Subjects With Leber Congenital Amaurosis
The purpose of this study is to determine whether gene transfer will be safe and effective in the treatment of Leber Congenital Amaurosis (LCA).
- Trial name
- NCT00516477
- Testing
- voretigene neparvovec-rzyl
- Where
- United States
- Volunteers
- 12 people
- Sponsor
- Spark Therapeutics, Inc.
Glaucoma, Glaucoma, Open-Angle
Pigment Dispersion Syndrome With and Without Glaucoma
To compare patients having PDS without and with OH or GL by documenting and following the clinical features and course of their disease and evaluating the patient's performance on a variety of diagnostic tests.
- Conditions
- Glaucoma, Glaucoma, Open-Angle, Ocular Hypertension
- Trial name
- NCT00001152
- Where
- United States
- Volunteers
- 175 people
- Sponsor
- National Eye Institute (NEI)
Retinitis Pigmentosa, Usher Syndromes
Prospective Open Clinical and Genetic Study of Patients With Retinitis Pigmentosa
This study is aimed to characterize Russian population of Retinitis Pigmentosa
- Trial name
- RU-RP (NCT03901391)
- Testing
- Whole Exome Sequencing
- Where
- 2 sites in Russia
- Volunteers
- 130 people
- Sponsor
- Sensor Technology for Deafblind
Inherited Epidermolysis Bullosa, Ichthyosis
FARD (RaDiCo Cohort) (RaDiCo-FARD)
The goal of this observational study is to conduct a prospective assessment of the individual Burden of 9 rare skin diseases to assess disability in the broadest sense of the term (psychological, social, economic and physical)…
- Conditions
- Inherited Epidermolysis Bullosa, Ichthyosis, Ectodermal Dysplasia, Incontinentia Pigmenti
- Trial name
- FARD (NCT05954416)
- Where
- 15 sites in France
- Volunteers
- 900 people
- Sponsor
- Institut National de la Santé Et de la Recherche Médicale, France
Melasma (Facial Melasma)
Comparison of Efficacy of Topical Westerhoff Formula Cream Vs Topical 4% Hydroquinone for the Treatment of Melasma
study was conducted on middle aged male and female, including families and health care professional also.
- Trial name
- NCT07508098
- Testing
- Triple combination cream, Hydroquinone 4% Cream
- Where
- Pakistan
- Volunteers
- 50 people
- Sponsor
- Pak Emirates Military Hospital