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
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RECRUITING
40 participants
OBSERVATIONAL
2025-10-09
2026-04-01
Brief Summary
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Detailed Description
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Conditions
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Study Design
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COHORT
PROSPECTIVE
Study Groups
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Young adult
Participants are 18 to 30 years old.
No interventions assigned to this group
Older adult
Participants are over 65 years old.
No interventions assigned to this group
Eligibility Criteria
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Inclusion Criteria
* 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 Criteria
* 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
18 Years
ALL
Yes
Sponsors
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Stanford University
OTHER
Responsible Party
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Anne Chang
Professor of Dermatology
Locations
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Stanford Health - General Dermatology Clinic
Redwood City, California, United States
Countries
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Central Contacts
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Other Identifiers
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80982
Identifier Type: -
Identifier Source: org_study_id
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