[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100303521":3},{"organization":4,"armGroups":7,"interventions":10,"overallOfficials":18,"centralContacts":22,"locations":32,"responsibleParty":50,"collaborators":10,"id":53,"slug":54,"hasResults":55,"nctId":56,"briefTitle":57,"officialTitle":58,"acronym":10,"eligibilityCriteria":59,"healthyVolunteers":60,"sex":61,"minAge":62,"maxAge":10,"enrollmentInfo":63,"targetDuration":10,"studyType":66,"phases":10,"briefSummary":67,"conditions":68,"keywords":71,"overallStatus":35,"whyStopped":10,"lastUpdateSubmitDate":76,"lastUpdatePostDateStruct":77,"startDateStruct":80,"completionDateStruct":82,"leadSponsor":84,"locationsCount":85},{"fullName":5,"class":6},"Stanford University","OTHER",[8,12,15],{"label":9,"type":10,"description":11,"interventionNames":10},"Episodic Headache",null,"Participants experiencing headache of any type more than twice per year but less than 15 days per month. No interventions",{"label":13,"type":10,"description":14,"interventionNames":10},"Chronic Headache","Participants experiencing headache more than 15 days per month for at least three consecutive months. No interventions",{"label":16,"type":10,"description":17,"interventionNames":10},"Control","Participants reporting fewer than two headaches per year. No interventions",[19],{"name":20,"affiliation":5,"role":21},"Robert Cowan, MD, FAAN","PRINCIPAL_INVESTIGATOR",[23,28],{"name":24,"role":25,"phone":26,"phoneExt":10,"email":27},"Bharati Sanjanwala, M.Sc.","CONTACT","650-721-2830","bharatis@stanford.edu",{"name":29,"role":25,"phone":30,"phoneExt":10,"email":31},"Anthony Bet, B.S.","650-683-5823","abet0915@stanford.edu",[33],{"facility":34,"status":35,"city":36,"state":37,"zip":38,"country":39,"countryCode":40,"cosmosGeoPoint":41,"geoPoint":46,"contacts":47},"Stanford University School of Medicine","RECRUITING","Stanford","California","94304","United States","US",{"type":42,"coordinates":43},"Point",[44,45],-122.16608,37.42411,{"lat":45,"lon":44},[48,49],{"name":24,"role":25,"phone":26,"phoneExt":10,"email":27},{"name":29,"role":25,"phone":30,"phoneExt":10,"email":31},{"type":21,"investigatorFullName":51,"investigatorTitle":52,"investigatorAffiliation":5,"oldNameTitle":10,"oldOrganization":10},"Robert Cowan","Director and Chief, Division of Headache Medicine","100303521","analysis-of-headache-chronification-with-imaging-deep-phenotyping-and-proteomics-100303521",false,"NCT03231241","Analysis of Headache Chronification With Imaging, Deep Phenotyping, and Proteomics","SunStar Project to Explore the Chronification Process in Headache Through Functional Imaging, Deep Phenotyping, and Analysis of CSF of Blood Products","Inclusion Criteria:\n\n* Subjects must agree to sign informed consent.\n* Subject must be able to or at least with some help willing to complete online questionnaires in English .\n* Willing to comply with study instructions.\n* must speak and understand English\n\nExclusion Criteria:\n\n\\*Any neurological condition, at the discretion of the Principal Investigator (PI)",true,"ALL","18 Years",{"count":64,"type":65},700,"ESTIMATED","OBSERVATIONAL","Study is aimed at determining why some patients with episodic headache proceed to chronic daily or near daily headaches. The Investigators seek to discover differences in brain anatomy and function, composition of cerebrospinal fluid, blood products, genetics, and patient phenotypes that might help explain this process.",[69,70],"Chronic Daily Headache","Chronic Migraine",[72,73,74,75],"Headaches","Tension-Type Headache","New Daily Persistent Headache (NDPH)","Migraine","2025-07-18",{"date":78,"type":79},"2025-07-23","ACTUAL",{"date":81,"type":79},"2014-12-12",{"date":83,"type":65},"2026-09-01",{"name":5,"class":6},1]