RecruitingNCT07221643
Carotenoids in the Skin and Immune Aging
Carotenoids in the Skin and Immune Aging: a Pilot Observational Study
Sponsor
Stanford University
Enrollment
40 participants
Start Date
Oct 9, 2025
Study Type
OBSERVATIONAL
Conditions
Summary
This study aims to examine the connection between the level of carotenoids in the skin and a number of immune related health parameters.
Eligibility
Min Age: 18 Years
Inclusion Criteria4
- Willing and able to provide written informed consent
- Age 18-30 years OR 65 years and older
- Healthy individuals without uncontrolled medical conditions (over the counter inhaled and topical steroids allowed)
- Fiitzpatrick I-VI (all skin types)
Exclusion Criteria5
- Pregnant or breastfeeding
- uncontrolled medical conditions
- Skin conditions on the upper extremity that would interfere with skin measurements of carotenoid levels such as active atopic dermatitis or psoriasis
- Concurrent use of medications that affect the immune system, within 4 weeks of enrollment (eg. prednisone, biologics, methotrexate, rapamycin, prescription topical steroids, prescription inhaled steroids, others)
- Unable to follow study protocol
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Locations(1)
View Full Details on ClinicalTrials.gov
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NCT07221643
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