Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
Get a concise snapshot of the trial, including recruitment status, study phase, enrollment targets, and key timeline milestones.
COMPLETED
41 participants
OBSERVATIONAL
2014-06-27
2016-02-26
Brief Summary
Review the sponsor-provided synopsis that highlights what the study is about and why it is being conducted.
1. Young vs older healthy population
2. Atopic dermatitis vs Acne vs Healthy controls
3. Active smokers vs non-smoker controls
Related Clinical Trials
Explore similar clinical trials based on study characteristics and research focus.
De Novo Lipogenesis of Sebaceous Glands in Acne
NCT02620813
Collection of Samples From Subjects With Various Skin Conditions and Healthy Volunteers
NCT05994976
The Lipid Profile of the Skin Surface in Acne
NCT02180425
Evaluation of Serum Ceramides C16, C24, and Sphingosine-1-Phosphate (S1P) in Patients With Acne Vulgaris
NCT07250880
Comparison Between Interactive Internet-based Education and Counseling for the Management of Acne With That of Internet-based Education Alone
NCT02031718
Detailed Description
Dive into the extended narrative that explains the scientific background, objectives, and procedures in greater depth.
Conditions
See the medical conditions and disease areas that this research is targeting or investigating.
Study Design
Understand how the trial is structured, including allocation methods, masking strategies, primary purpose, and other design elements.
CASE_CONTROL
CROSS_SECTIONAL
Study Groups
Review each arm or cohort in the study, along with the interventions and objectives associated with them.
Young Age - Healthy
These subjects are between the age of 12 and 35 years. This group will undergo the following intervention: skin surface lipid collection via tapes and skin barrier function evaluated with non-invasive painless devices.
Skin Surface Lipid Collection and Skin Barrier Function
All five groups will undergo the same study intervention: skin surface lipid collection via tapes and skin barrier function evaluated with non-invasive painless devices.
Old Age -Healthy
These subjects are 55 years of age and older. This group will undergo the following intervention: skin surface lipid collection via tapes and skin barrier function evaluated with non-invasive painless devices.
Skin Surface Lipid Collection and Skin Barrier Function
All five groups will undergo the same study intervention: skin surface lipid collection via tapes and skin barrier function evaluated with non-invasive painless devices.
Active Smoker
These subjects are active smokers who smoke often. This group will undergo the following intervention: skin surface lipid collection via tapes and skin barrier function evaluated with non-invasive painless devices.
Skin Surface Lipid Collection and Skin Barrier Function
All five groups will undergo the same study intervention: skin surface lipid collection via tapes and skin barrier function evaluated with non-invasive painless devices.
Dermatological skin condition: Acne vulgaris
These subjects have acne vulgaris. This group will undergo the following intervention: skin surface lipid collection via tapes and skin barrier function evaluated with non-invasive painless devices.
Skin Surface Lipid Collection and Skin Barrier Function
All five groups will undergo the same study intervention: skin surface lipid collection via tapes and skin barrier function evaluated with non-invasive painless devices.
Dermatological skin condition: Atopic dermatitis
These subjects have atopic dermatitis. This group will undergo the following intervention: skin surface lipid collection via tapes and skin barrier function evaluated with non-invasive painless devices.
Skin Surface Lipid Collection and Skin Barrier Function
All five groups will undergo the same study intervention: skin surface lipid collection via tapes and skin barrier function evaluated with non-invasive painless devices.
Interventions
Learn about the drugs, procedures, or behavioral strategies being tested and how they are applied within this trial.
Skin Surface Lipid Collection and Skin Barrier Function
All five groups will undergo the same study intervention: skin surface lipid collection via tapes and skin barrier function evaluated with non-invasive painless devices.
Other Intervention Names
Discover alternative or legacy names that may be used to describe the listed interventions across different sources.
Eligibility Criteria
Check the participation requirements, including inclusion and exclusion rules, age limits, and whether healthy volunteers are accepted.
Inclusion Criteria
Exclusion Criteria
12 Years
ALL
Yes
Sponsors
Meet the organizations funding or collaborating on the study and learn about their roles.
University of California, Davis
OTHER
Responsible Party
Identify the individual or organization who holds primary responsibility for the study information submitted to regulators.
Principal Investigators
Learn about the lead researchers overseeing the trial and their institutional affiliations.
Raja K Sivamani, MD
Role: PRINCIPAL_INVESTIGATOR
UC Davis
Locations
Explore where the study is taking place and check the recruitment status at each participating site.
UC Davis Department of Dermatology
Sacramento, California, United States
Countries
Review the countries where the study has at least one active or historical site.
References
Explore related publications, articles, or registry entries linked to this study.
Ni Raghallaigh S, Bender K, Lacey N, Brennan L, Powell FC. The fatty acid profile of the skin surface lipid layer in papulopustular rosacea. Br J Dermatol. 2012 Feb;166(2):279-87. doi: 10.1111/j.1365-2133.2011.10662.x.
Sakai S, Kikuchi K, Satoh J, Tagami H, Inoue S. Functional properties of the stratum corneum in patients with diabetes mellitus: similarities to senile xerosis. Br J Dermatol. 2005 Aug;153(2):319-23. doi: 10.1111/j.1365-2133.2005.06756.x.
Related Links
Access external resources that provide additional context or updates about the study.
University of California-Davis Department of Dermatology Clinical Research
Other Identifiers
Review additional registry numbers or institutional identifiers associated with this trial.
605131
Identifier Type: -
Identifier Source: org_study_id
More Related Trials
Additional clinical trials that may be relevant based on similarity analysis.