Carotenoids in the Skin and Immune Aging

Recruiting now

Conditions studied: No Condition, Skin Carotenoids and Immune-aging

In brief

This study aims to examine the connection between the level of carotenoids in the skin and a number of immune related health parameters.

Key facts

Study ID

NCT07221643

Run by

Stanford University

People needed

40

Starts

2025-10-09

Expected to finish

2026-04-01

Last updated by the study team

2025-12-15

Who can join

Age: 18 and older. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• 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)

You may not qualify if…

• 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

Where it is running

• Stanford Health - General Dermatology Clinic — Redwood City, California, United States (enrolling)

Full record on ClinicalTrials.gov

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