[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100609981":3},{"organization":4,"outcomesModule":7,"designInfo":22,"detailedDescription":21,"studyPopulation":25,"armGroups":26,"interventions":21,"overallOfficials":21,"centralContacts":33,"locations":42,"responsibleParty":61,"collaborators":21,"id":64,"slug":21,"hasResults":65,"nctId":66,"briefTitle":67,"officialTitle":68,"acronym":21,"eligibilityCriteria":69,"healthyVolunteers":70,"sex":71,"minAge":72,"maxAge":21,"enrollmentInfo":73,"targetDuration":21,"studyType":76,"phases":21,"briefSummary":77,"conditions":78,"keywords":21,"overallStatus":45,"whyStopped":21,"lastUpdateSubmitDate":81,"lastUpdatePostDateStruct":82,"startDateStruct":85,"completionDateStruct":87,"leadSponsor":89,"locationsCount":90},{"fullName":5,"class":6},"Stanford University","OTHER",{"primaryOutcomes":8,"secondaryOutcomes":13,"otherOutcomes":21},[9],{"measure":10,"description":11,"timeFrame":12},"Skin carotenoid levels and skin aging features","We will assess the skin carotenoid levels' correlation with skin aging features, such as wrinkles, fine lines, and age spots.","one day",[14,17],{"measure":15,"description":16,"timeFrame":12},"Skin carotenoid levels and biomarkers of aging","We will assess the skin carotenoid levels' correlation with biomarkers associated with aging, such as C-reactive protein, telomere length, telomerase activity etc.",{"measure":18,"description":19,"timeFrame":20},"Skin carotenoid levels and self-reported perception of health","We will assess the skin carotenoid levels' correlation with self reported scores on general health and health beliefs, incidence of respiratory, gut and skin allergy symptoms, and sleep quality.","2 weeks",null,{"allocation":21,"interventionModel":21,"interventionModelDescription":21,"primaryPurpose":21,"observationalModel":23,"timePerspective":24,"maskingInfo":21},"COHORT","PROSPECTIVE","Healthy individuals who are either between 18 to 30 years old or over 65 years old.",[27,30],{"label":28,"type":21,"description":29,"interventionNames":21},"Young adult","Participants are 18 to 30 years old.",{"label":31,"type":21,"description":32,"interventionNames":21},"Older adult","Participants are over 65 years old.",[34,39],{"name":35,"role":36,"phone":37,"phoneExt":21,"email":38},"Xiaochen Zhong, BA","CONTACT","408-816-0111","xczhong@stanford.edu",{"name":40,"role":36,"phone":21,"phoneExt":21,"email":41},"Po-Han Ho, MD","pohanho@stanford.edu",[43],{"facility":44,"status":45,"city":46,"state":47,"zip":48,"country":49,"countryCode":50,"cosmosGeoPoint":51,"geoPoint":56,"contacts":57},"Stanford Health - General Dermatology Clinic","RECRUITING","Redwood City","California","94063","United States","US",{"type":52,"coordinates":53},"Point",[54,55],-122.23635,37.48522,{"lat":55,"lon":54},[58],{"name":59,"role":60,"phone":21,"phoneExt":21,"email":21},"Anne Lynn S. Chang, MD","PRINCIPAL_INVESTIGATOR",{"type":60,"investigatorFullName":62,"investigatorTitle":63,"investigatorAffiliation":5,"oldNameTitle":21,"oldOrganization":21},"Anne Chang","Professor of Dermatology","100609981",false,"NCT07221643","Carotenoids in the Skin and Immune Aging","Carotenoids in the Skin and Immune Aging: a Pilot Observational Study","Inclusion Criteria:\n\n* Willing and able to provide written informed consent\n* Age 18-30 years OR 65 years and older\n* Healthy individuals without uncontrolled medical conditions (over the counter inhaled and topical steroids allowed)\n* Fiitzpatrick I-VI (all skin types)\n\nExclusion Criteria:\n\n* Pregnant or breastfeeding\n* uncontrolled medical conditions\n* Skin conditions on the upper extremity that would interfere with skin measurements of carotenoid levels such as active atopic dermatitis or psoriasis\n* 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)\n* Unable to follow study protocol",true,"ALL","18 Years",{"count":74,"type":75},40,"ESTIMATED","OBSERVATIONAL","This study aims to examine the connection between the level of carotenoids in the skin and a number of immune related health parameters.",[79,80],"No Condition","Skin Carotenoids and Immune-aging","2025-12-11",{"date":83,"type":84},"2025-12-15","ACTUAL",{"date":86,"type":84},"2025-10-09",{"date":88,"type":75},"2026-04-01",{"name":5,"class":6},1]