[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100434429":3},{"organization":4,"armGroups":7,"interventions":19,"overallOfficials":25,"centralContacts":26,"locations":32,"responsibleParty":49,"collaborators":25,"id":53,"slug":25,"hasResults":54,"nctId":55,"briefTitle":56,"officialTitle":57,"acronym":25,"eligibilityCriteria":58,"healthyVolunteers":54,"sex":59,"minAge":60,"maxAge":61,"enrollmentInfo":62,"targetDuration":25,"studyType":65,"phases":66,"briefSummary":68,"conditions":69,"keywords":71,"overallStatus":35,"whyStopped":25,"lastUpdateSubmitDate":73,"lastUpdatePostDateStruct":74,"startDateStruct":77,"completionDateStruct":79,"leadSponsor":81,"locationsCount":82},{"fullName":5,"class":6},"Alberta Health Services, Calgary","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"Industry standard stimulation","ACTIVE_COMPARATOR","Standard sub threshold stimulation parameters",[13],"Procedure: Occipital nerve stimulator implant",{"label":15,"type":16,"description":17,"interventionNames":18},"Experimental stimulation","SHAM_COMPARATOR","Sham stimulation",[13],[20],{"type":21,"name":22,"description":23,"armGroupLabels":24,"otherNames":25},"PROCEDURE","Occipital nerve stimulator implant","Implantation of occipital nerve stimulator and different stimulation parameters",[15,9],null,[27],{"name":28,"role":29,"phone":30,"phoneExt":25,"email":31},"Fady Girgis, MD","CONTACT","4039446497","fmgirgis@ucalgary.ca",[33],{"facility":34,"status":35,"city":36,"state":37,"zip":38,"country":39,"countryCode":40,"cosmosGeoPoint":41,"geoPoint":46,"contacts":47},"University of Calgary","RECRUITING","Calgary","Alberta","T2N2T9","Canada","CA",{"type":42,"coordinates":43},"Point",[44,45],-114.08529,51.05011,{"lat":45,"lon":44},[48],{"name":28,"role":29,"phone":30,"phoneExt":25,"email":31},{"type":50,"investigatorFullName":51,"investigatorTitle":52,"investigatorAffiliation":5,"oldNameTitle":25,"oldOrganization":25},"PRINCIPAL_INVESTIGATOR","Fady Girgis","Physician","100434429",false,"NCT04937010","Occipital Nerve Stimulation in Trigeminal Autonomic Cephalgias","Efficacy and Safety of Occipital Nerve Stimulation in Trigeminal Autonomic Cephalalgias: A Double-blind, Phase II, Randomized, Controlled Trial","Inclusion Criteria:\n\n* Meets ICHD-3 diagnostic criteria for the chronic form of one of the trigeminal autonomic cephalgias (outlined below), as determined by the treating neurologist.\n* Failed standard medical management, meaning at least 3 conventional preventative therapies.\n\nExclusion Criteria:\n\n* Presence of uncontrolled or untreated psychiatric disease\n* Presence of medical contraindications to surgery\n* Patient does not consent to surgery\n* Non-English speaking","ALL","18 Years","100 Years",{"count":63,"type":64},20,"ESTIMATED","INTERVENTIONAL",[67],"NA","The objective of this study is to determine the efficacy of occipital nerve stimulation (ONS) in the treatment of chronic trigeminal autonomic cephalalgias (TACs).",[70],"Trigeminal Autonomic Cephalgia",[72],"Occipital Nerve Stimulation","2024-08-06",{"date":75,"type":76},"2024-08-07","ACTUAL",{"date":78,"type":76},"2022-02-01",{"date":80,"type":64},"2026-09-01",{"name":5,"class":6},1]