Clinical trials: Sun Exposure
Photoprotection, Sunscreen
Expert Consensus on Photoprotection Practices: A Delphi Study
This study is a Delphi-based expert consensus project aimed at developing evidence-informed recommendations for photoprotection practices across various populations, including general, at-risk, and special groups (e.g., children…
- Conditions
- Photoprotection, Sunscreen, Sunscreen Agents, Sun Damaged Skin
- Trial name
- NCT07296588
- Where
- Egypt
- Volunteers
- 15 people
- Sponsor
- Venus Research Center
Melanoma
Molecular Epidemiology of Cutaneous Malignant Melanoma
This case-control study was planned to investigate the link of solar radiation with gene damage, host factors, and DNA repair proficiency in cutaneous malignant melanoma (CMM) risk.
- Trial name
- NCT00341991
- Where
- United States
- Volunteers
- 15,401 people
- Sponsor
- National Cancer Institute (NCI)
Vitamin D Deficiency
Sunlight Exposures Effect on Serum Vitamin D Levels
When people eat a meal, some, but not all of the calcium in that meal is absorbed, that is, moved into the bloodstream. When the skin is exposed to sunlight during summer months, Vitamin D is made there and then modified into…
- Trial name
- NCT00473317
- Testing
- Sun Exposure
- Where
- United States
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- Creighton University
Melanoma
Ultraviolet Light Exposure and Immunosuppression in Cutaneous Melanoma
This project seeks to understand differences in the serum vitamin D levels and immune status in cutaneous malignant melanoma patients with different UV exposure histories in New Mexico.
- Trial name
- NCT00996827
- Where
- 2 sites in United States
- Volunteers
- 100 people
- Sponsor
- New Mexico Cancer Research Alliance
Skin, Skin Microbiome
Examine Impact of Topical Application of Active Versus Placebo on the Skin Microbiome in Sensitive Skin.
The purpose of this study is to build insights to understand how the placebo and active impacts the skin microbiome in women with high skin sensitivity (SS10 > 13) and sun exposure.
- Conditions
- Skin, Skin Microbiome, Skin Microbiota, Skin Ageing
- Trial name
- SkinBiome (NCT07454525)
- Testing
- Active Cream
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- AB Biotics, SA
Nursing Home, Vitamin D Deficiency
SUN LIGHT EXPOSURE AND VITAMIN D LEVEL IN NURSING HOME
Objective: The aim of the present study was to determine the effect of nursing interventions and sunlight exposure to reach optimum vitamin D levels by individuals living in nursing homes on vitamin D levels.
- Trial name
- NCT04469257
- Testing
- Sunbathing
- Where
- Turkey (Türkiye)
- Volunteers
- 40 people
- Sponsor
- Tokat Gaziosmanpasa University
Sun Sensitivity
Deliberate Ultraviolet Light Exposure to Get a Tan by Young Adult Sexual Minority Males
The purpose of this study is to: a) identify enablers and barriers to deliberate ultraviolet light exposure by young sexual minority men (SMM), and b) quantify the extent of their deliberate ultraviolet light exposure.
- Trial name
- NCT04404907
- Testing
- no intervention
- Where
- United States
- Volunteers
- 537 people
- Sponsor
- Northwestern University
Healthy Subjects, Male or Female, of 18-60 Years Old, With Phototype I, II or III, Not Pre-treated/Pre-protected Skin
Performance of Different Application Regimens of ACTINICA® on Protection From UVR-induced Erythema After One Day of Sun Exposure in Fair-skinned Healthy Subjects.
Study objective To assess the performance of different application regimens of Actinica® on protection from UV rays-induced erythema throughout 1 day of sun exposure in fair-skinned healthy subjects (phototype I to III).
- Trial name
- NCT02251756
- Testing
- Actinica, 0.8 mg/cm2, 1 application, Actinica, 0.8 mg/cm2, 2 applications, Actinica, 2 mg/cm2, 1 application
- Where
- France
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Galderma R&D
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)
Healthy, Sun Exposure
Quantifying Skin Oxygenation Properties in Normal vs Sun Exposed Skin
This research study aims to determine if there are differences in oxygen consumption between chronically sun exposed and less sun exposed skin.
- Trial name
- SMARTevans (NCT03311191)
- Testing
- Measurement of skin oxygenation and oxygen consumption
- Where
- United States
- Volunteers
- 11 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Vitamin D Deficiency
Vitamin D and Health Status of British African-Caribbean Women
Vitamin D deficiency remains a global public health issue (Wilson 2017). In the United Kingdom (UK). There is a lack of research looking at vitamin D status of the British African-Caribbean population.
- Trial name
- NCT04179370
- Testing
- N/A - no intervention. Observational study.
- Where
- United Kingdom
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- University of Surrey
Vitamin D Deficiency
Vitamin D Supplementation and Sunlight Exposure in Brazilian Women Living in Opposite Latitudes (The D-SOL Study)
There is a consensus that vitamin D deficiency is a public health issue because of its implications in several diseases including, osteopenia, osteomalacia, heart disease, diabetes (type I and II), inflammatory diseases, multiple…
- Trial name
- D-SOL (NCT03318029)
- Testing
- Vitamin D supplementation
- Where
- 2 sites in Brazil, United Kingdom
- Volunteers
- 136 people, healthy volunteers welcome
- Sponsor
- University of Surrey
Healthy
Study to Determine the Phototoxity of Atralin (Tretinoin) Gel, 0.05%
To assess the potential of tretnoin gel 0.05% to produce phototoxic reactions, measured as skin reactions 24 and 48 hours after UV radiation of drug on skin.
- Trial name
- NCT00604032
- Testing
- Atralin (tretinoin) Gel, 0.05%
- Where
- United States
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Coria Laboratories, Ltd.
Skin Cancer, Occupational Exposure
Virtual Sun Safe Workplaces Ph II (SSW Works)
Americans who work outdoors are exposed to an extreme amount of solar ultraviolet radiation over a lifetime that substantially increases their risk for developing skin cancer.
- Trial name
- NCT05774600
- Testing
- SSW Works, Minimal Information Control
- Where
- United States
- Volunteers
- 543 people, healthy volunteers welcome
- Sponsor
- Klein Buendel, Inc.
Dermatoporosis
Prevalence and Comorbidities of Dermatoporosis: a French Prospective Observational Study in General Medicine Consultation
The term dermatoporosis (DP) was proposed by JH. Saurat in 2004 and detailed in 2007 to describe a chronic cutaneous insufficiency and fragility syndrome.
- Trial name
- NCT05699980
- Where
- 15 sites in France
- Volunteers
- 370 people, healthy volunteers welcome
- Sponsor
- University of Lorraine
Healthy Volunteers
Sunlight Exposure and Vitamin D Status of Children of South Asian Ethnicity Living in the UK
The purpose of this study is to examine the amount of sunlight exposure and vitamin D status of adolescent schoolchildren of South Asian ethnicity in each season throughout the year.
- Trial name
- NCT01623414
- Where
- United Kingdom
- Volunteers
- 131 people, healthy volunteers welcome
- Sponsor
- University of Manchester
Sun Exposure
Sun Exposure for Outdoor Athletes in Mayotte and Reunion Island
The UV index in Mayotte and Reunion is greater than 14, eight months out of 12. This index decreases linearly over the period from mid-April to mid-August where it can drop to reach an index of 8 in the month of July.
- Trial name
- EXSPOSOL (NCT05316402)
- Testing
- training on the risks associated with sun exposure, dosimetry
- Where
- 2 sites in Mayotte, Reunion
- Volunteers
- 400 people, healthy volunteers welcome
- Sponsor
- Centre Hospitalier Universitaire de la Réunion
Healthy
Examination of the Link Between Sun Exposure Routine and Bacteria Population of the Skin
These days many studies are conducted testing the symbiosis between the bacteria population to the human body's functioning. The research of the connection between the skin condition and the bacteria population is in its early…
- Trial name
- NCT02763163
- Testing
- Sun exposure routine
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Institute for Skin Research, Israel
Skin Melanoma, Cutaneous Melanoma
Melanoma of the Skin and Exposure to Solar Ultraviolet Radiation at Work in Modena Territory: a Case-control Study to Promote an Active Search and Prevention of Occupational Diseases Based on Recent INAIL Criteria
The goal of this observational study is to learn about the link between work-related sun exposure and a specific type of skin cancer called melanoma in people living in the Modena area, Italy.
- Trial name
- Mesur (NCT07251335)
- Where
- Italy
- Volunteers
- 300 people
- Sponsor
- University of Modena and Reggio Emilia
Alzheimer's Disease (AD), Sleep Disorders, Circadian Rhythm
Improvement of Sleep Disorders in Patients With Alzheimer's Disease After Sunlight Exposure Therapy.
This observational study aimed to understand the effect of intervention A on sleep disorders in individuals with Alzheimer's disease receiving sunlight therapy.
- Trial name
- NCT07386808
- Testing
- sunlight therapy
- Where
- Taiwan
- Volunteers
- 60 people
- Sponsor
- National Taiwan University Hospital