[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100188855":3},{"organization":4,"armGroups":7,"interventions":18,"overallOfficials":10,"centralContacts":10,"locations":23,"responsibleParty":54,"collaborators":10,"id":57,"slug":58,"hasResults":59,"nctId":60,"briefTitle":61,"officialTitle":61,"acronym":10,"eligibilityCriteria":62,"healthyVolunteers":59,"sex":63,"minAge":64,"maxAge":10,"enrollmentInfo":65,"targetDuration":10,"studyType":68,"phases":10,"briefSummary":69,"conditions":70,"keywords":75,"overallStatus":25,"whyStopped":10,"lastUpdateSubmitDate":78,"lastUpdatePostDateStruct":79,"startDateStruct":82,"completionDateStruct":84,"leadSponsor":86,"locationsCount":87},{"fullName":5,"class":6},"Vanderbilt University Medical Center","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"Essential Tremor",null,"Patients with severe, medication-refractory Essential Tremor",[13],"Other: Questionnaires \u002F Observational Assessments",{"label":15,"type":10,"description":16,"interventionNames":17},"Parkinsonian Tremor","Patients with severe, medication-refractory, tremor-dominant Parkinsons",[13],[19],{"type":6,"name":20,"description":21,"armGroupLabels":22,"otherNames":10},"Questionnaires \u002F Observational Assessments","Includes QUEST, PDQ-39, FTM, and Neuropsych evaluation",[9,15],[24],{"facility":5,"status":25,"city":26,"state":27,"zip":28,"country":29,"countryCode":30,"cosmosGeoPoint":31,"geoPoint":36,"contacts":37},"RECRUITING","Nashville","Tennessee","37232","United States","US",{"type":32,"coordinates":33},"Point",[34,35],-86.78444,36.16589,{"lat":35,"lon":34},[38,43,46,49,51],{"name":39,"role":40,"phone":41,"phoneExt":42,"email":10},"Send Patient Referrals to Movement Disorder Coordinators","CONTACT","615-322-0141 or 615-936-0060","Fax 6153436847",{"name":44,"role":40,"phone":45,"phoneExt":10,"email":10},"Vanderbilt University Radiation Oncology (nursing staff)","615-343-2624",{"name":47,"role":48,"phone":10,"phoneExt":10,"email":10},"Austin N. Kirschner, MD, PhD","PRINCIPAL_INVESTIGATOR",{"name":50,"role":48,"phone":10,"phoneExt":10,"email":10},"Anthony J. Cmelak, MD",{"name":52,"role":53,"phone":10,"phoneExt":10,"email":10},"Fenna T. Phibbs, MD, MPH","SUB_INVESTIGATOR",{"type":48,"investigatorFullName":55,"investigatorTitle":56,"investigatorAffiliation":5,"oldNameTitle":10,"oldOrganization":10},"Austin Kirschner","Associate Professor","100188855","stereotactic-radiosurgery-for-essential-tremor-and-parkinsonian-tremor-100188855",false,"NCT01734122","Stereotactic Radiosurgery for Essential Tremor and Parkinsonian Tremor","Inclusion Criteria:\n\n* Must be certified by a neurologist as having essential tremor or Parkinsonian tremor that is insufficiently controlled by medication alone.\n* Preference to receive radiation treatment for tremor treatment, rather than surgical DBS implantation or surgical thalamotomy\n* At least 18 years old\n\nExclusion Criteria:\n\n* Contraindications to cranial radiation (such as prior radiation to the thalamus)\n* Inability to have a MRI of the brain\n* Prior surgical thalamotomy treatment (but contralateral deep brain stimulator \\[DBS\\] is permitted)\n* Estimated life expectancy less than 1 year","ALL","18 Years",{"count":66,"type":67},60,"ESTIMATED","OBSERVATIONAL","The purpose of this study is to determine the changes in quality of life and degree of tremor for patients with essential tremor or Parkinsonian tremor who are treated by stereotactic radiosurgery (SRS). This is a questionnaire-based study. Please see Detailed Description below for more information.",[71,9,72,73,74],"Tremor","Parkinson Disease","Radiosurgery","Quality of Life",[76,9,15,74,77],"Stereotactic Radiosurgery","Severity of Tremor","2025-09-05",{"date":80,"type":81},"2025-09-12","ACTUAL",{"date":83,"type":81},"2013-02-21",{"date":85,"type":67},"2028-09",{"name":5,"class":6},1]