[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"leadSponsorName\":\"IAS Skin Care\",\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:":51},{"pageToken":4,"total":5,"offset":6,"count":5,"results":7},null,1,0,[8],{"id":9,"slug":10,"hasResults":11,"nctId":12,"briefTitle":13,"officialTitle":14,"acronym":15,"eligibilityCriteria":16,"healthyVolunteers":17,"sex":18,"minAge":19,"maxAge":20,"enrollmentInfo":21,"targetDuration":4,"studyType":24,"phases":4,"briefSummary":25,"conditions":26,"keywords":30,"overallStatus":39,"whyStopped":4,"lastUpdateSubmitDate":40,"lastUpdatePostDateStruct":41,"startDateStruct":44,"completionDateStruct":46,"leadSponsor":48,"locationsCount":5},"100651805","driving-time-and-facial-skin-hydration-asymmetry-in-florida-drivers-100651805",false,"NCT07764809","Driving Time and Facial Skin Hydration Asymmetry in Florida Drivers","Driving Time and Left-Cheek Skin Hydration Asymmetry in Florida Residents: An Observational Study on Cumulative UVA Exposure Through Vehicle Side Windows","DCHA-FL-25-65","Inclusion Criteria:\n\n* Female sex, aged 25 to 65 years (inclusive)\n* Valid driver's license and active driving for a minimum of 3 years\n* Driving frequency of at least 3 days per week on average\n* Florida residency for a minimum of 2 years prior to enrollment\n* Ability to provide written informed consent in English or Russian\n\nExclusion Criteria:\n\n* Window tinting on the driver-side window of the participant's primary vehicle\n* Regular sunscreen application specifically to the left side of the face before driving (more than half of driving occasions in the past month)\n* Active skin disease on the face at time of assessment\n* Injectable cosmetic procedures (Botox or fillers) in the past 6 months\n* Laser resurfacing or chemical peel in the past 3 months\n* Inability to refrain from facial cosmetics for at least 2 hours prior to the visit",true,"FEMALE","25 Years","65 Years",{"count":22,"type":23},80,"ESTIMATED","OBSERVATIONAL","his observational study examines whether time spent driving is associated with differences in skin hydration between the left and right cheeks in female drivers residing in Florida. In left-hand-drive vehicles, the driver's left cheek is chronically exposed to ultraviolet A (UVA) radiation through the unshaded side window during every daytime driving episode. A prior study by IAS Skin Care (NCT07564869, n=30) found that the left cheek was less hydrated than the right cheek in 60% of participants, suggesting a possible effect of driving-related UVA exposure on facial skin hydration asymmetry.\n\nEighty female drivers aged 25-65 years residing in Florida will be enrolled. At a single visit, skin hydration will be measured at three facial zones (left cheek, right cheek, and forehead as a symmetrical control zone) using the BT-Analyze bioimpedance device. Participants will complete a structured questionnaire on driving habits, sun protection practices, and skin history. The primary outcome is the Hydration Asymmetry Index (HAI = right cheek minus left cheek BT-Analyze score). Associations between driving time, cumulative driving exposure, window tinting, sunscreen use, and HAI will be examined using Spearman correlation, Mann-Whitney U tests, and multiple linear regression.",[27,28,29],"Skin Diseases","Photoaging","Skin Hydration",[31,32,33,34,35,36,37,38],"skin hydration","UVA exposure","driving","photoaging","bioimpedance","facial asymmetry","Florida","BT-Analyze","NOT_YET_RECRUITING","2026-08-10",{"date":42,"type":43},"2026-08-14","ACTUAL",{"date":45,"type":23},"2026-10-01",{"date":47,"type":23},"2027-03-01",{"name":49,"class":50},"IAS Skin Care","INDUSTRY",""]