[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100607732":3},{"organization":4,"armGroups":7,"interventions":17,"overallOfficials":43,"centralContacts":47,"locations":53,"responsibleParty":68,"collaborators":70,"id":74,"slug":42,"hasResults":75,"nctId":76,"briefTitle":77,"officialTitle":77,"acronym":78,"eligibilityCriteria":79,"healthyVolunteers":80,"sex":81,"minAge":82,"maxAge":42,"enrollmentInfo":83,"targetDuration":42,"studyType":86,"phases":87,"briefSummary":89,"conditions":90,"keywords":97,"overallStatus":104,"whyStopped":42,"lastUpdateSubmitDate":105,"lastUpdatePostDateStruct":106,"startDateStruct":109,"completionDateStruct":111,"leadSponsor":113,"locationsCount":114},{"fullName":5,"class":6},"IMADIS Technologies et Services","INDUSTRY",[8],{"label":9,"type":10,"description":11,"interventionNames":12},"Study cohort","EXPERIMENTAL","Radiologists taking measurements after a night shift and after a night's rest",[13,14,15,16],"Device: Electroencephalogram","Device: Actigraphy","Device: Eye Tracking","Other: Questionnaires",[18,25,31,37],{"type":19,"name":20,"description":21,"armGroupLabels":22,"otherNames":23},"DEVICE","Electroencephalogram","EEG measurement to assess attentional state",[9],[24],"EEG",{"type":19,"name":26,"description":27,"armGroupLabels":28,"otherNames":29},"Actigraphy","Evaluation of sleep-wake phases 24 hours prior to eye tracking measurement",[9],[30],"Actimetry",{"type":19,"name":32,"description":33,"armGroupLabels":34,"otherNames":35},"Eye Tracking","Assessment of ocular parameters during controlled eye tracking: guided saccade task followed by analysis of chest scans to detect pulmonary embolism. Measurement of ocular saccade parameters (distance, velocity), fixation time and pupil diameter.\n\nMeasurements performed twice: after a night on call and after a night of rest.",[9],[36],"Oculometry",{"type":38,"name":39,"description":40,"armGroupLabels":41,"otherNames":42},"OTHER","Questionnaires","Measurements of sleepiness (Karolinska Sleep Scale KSS, Epworth Sleep Scale ESS), mental fatigue (EVA Scale), insomnia (Insomnia Severity Index, ISI) and chronotype (Morningness Eveningness Questionnaire, MEQ)\n\n* Inclusion visit: MEQ\n* Before the first evaluation: ISI, KSS, ESS, EVA\n* Before the second evaluation: ISI, KSS, ESS, EVA",[9],null,[44],{"name":45,"affiliation":5,"role":46},"Guillaume GORINCOUR, MD, PhD","PRINCIPAL_INVESTIGATOR",[48],{"name":49,"role":50,"phone":51,"phoneExt":42,"email":52},"Mylène SEUX, PhD","CONTACT","+33 6 63 37 60 44","m.seux@imadis-groupe.fr",[54],{"facility":5,"status":42,"city":55,"state":56,"zip":57,"country":56,"cosmosGeoPoint":58,"geoPoint":63,"contacts":64},"Lyon","France","69002",{"type":59,"coordinates":60},"Point",[61,62],4.84789,45.74906,{"lat":62,"lon":61},[65,67],{"name":49,"role":50,"phone":66,"phoneExt":42,"email":52},"+33 (0)6 63 37 60 44",{"name":45,"role":46,"phone":42,"phoneExt":42,"email":42},{"type":69,"investigatorFullName":42,"investigatorTitle":42,"investigatorAffiliation":42,"oldNameTitle":42,"oldOrganization":42},"SPONSOR",[71],{"name":72,"class":73},"Lyon Neuroscience Research Center (CRNL)","UNKNOWN","100607732",false,"NCT07192380","Shift Hours' Impact on Fatigue and Tracking of Eye Dynamics","SHIFTED","Inclusion Criteria:\n\nAssociate radiologists at IMADIS Group\n\n* In their current position for at least one year\n* Working at one of the IMADIS Group on-call centers\n* Performing night shifts during the study period\n* Able to wear an actimeter watch during the study period (it may be removed during certain procedures, but must be put back on afterwards)\n* Having given their free and informed consent to participate in the study\n\nNon- inclusion criteria:\n\n* Leave during the study period\n* Pregnant women, women in labor, or breastfeeding women\n* Subjects wearing glasses or contact lenses\n\nExclusion Criteria:\n\n\\- Having slept more than 6 hours during the night shift",true,"ALL","18 Years",{"count":84,"type":85},40,"ESTIMATED","INTERVENTIONAL",[88],"NA","The goal of this clinical trial is to learn how night shift-induced sleep debt affects oculomotor patterns, attentional state, and diagnostic performance in emergency radiologists.\n\nThe main questions it aims to answer are:\n\n* Does sleep debt from a night shift alter oculomotor parameters, as eyes movements (speed and amplitude), fixation duration, pupil size?\n* Does a night shift impact radiologists' diagnostic accuracy, attentional state, and perceived fatigue? Researchers will compare radiologists after a night shift (sleep-deprived) with the same radiologists after a night of rest (control) to see if fatigue-related changes affect both visual exploration strategies and diagnostic performance.\n\nParticipants will:\n\n* Perform a guided saccade task assessed by eye tracking (primary endpoint),\n* Read thoracic CT scans (with and without pulmonary embolism cases) to assess diagnostic performance and visual exploration patterns,\n* Undergo EEG recording to measure attentional state,\n* Complete self-report questionnaires on sleepiness and fatigue.",[91,92,93,94,95,96],"Sleep Deprivation","Sleepiness","Eye-Tracking Technology","Radiologists","Tomography","Electroencephalography",[98,99,100,101,102,103],"Night-Shift","Radiology","performance","Eye-tracking","Fatigue","Eye strain","NOT_YET_RECRUITING","2025-09-17",{"date":107,"type":108},"2025-09-25","ACTUAL",{"date":110,"type":85},"2025-09-15",{"date":112,"type":85},"2026-05-15",{"name":5,"class":6},1]