[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"conditionNormalized\":\"vertigo-peripheral\",\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:vertigo-peripheral":29},{"pageToken":4,"total":5,"offset":6,"count":5,"results":7},null,2,0,[8,52],{"id":9,"slug":10,"hasResults":11,"nctId":12,"briefTitle":13,"officialTitle":14,"acronym":4,"eligibilityCriteria":15,"healthyVolunteers":11,"sex":16,"minAge":17,"maxAge":4,"enrollmentInfo":18,"targetDuration":4,"studyType":21,"phases":22,"briefSummary":24,"conditions":25,"keywords":34,"overallStatus":40,"whyStopped":4,"lastUpdateSubmitDate":41,"lastUpdatePostDateStruct":42,"startDateStruct":45,"completionDateStruct":47,"leadSponsor":49,"locationsCount":4},"100505635","clinical-trial-of-vit-d-and-calcium-for-recurrent-bppv-100505635",false,"NCT05863949","Clinical Trial of Vit D and Calcium for Recurrent BPPV","STOP Vertigo: Supplementation of Vitamin D for Termination of Recurrences From Benign Paroxysmal Positional Vertigo","Inclusion Criteria:\n\n* Age 18 years or older\n* 2 or more distinct episodes of benign paroxysmal positional vertigo within a 12-month period on history\n* At least 1 episode diagnosed based on physical examination by trained study personnel, meeting the diagnostic criteria of the Bárány Society\n* Episodes separated in time, with a minimum of 1 week symptom-free between episodes\n* Serum evidence of Vitamin D deficiency, as evidenced by 25-hydroxy vitamin D level of \\\u003C75 nmol\u002FL (\\\u003C30 ng\u002FmL)48\n* Subject able to provide informed consent to participate in the study\n\nExclusion Criteria:\n\nPotential subjects will be excluded if they\n\n* have another identifiable cause of vertigo identified on history or physical examination\n* have a history of allergy or medically significant adverse reaction to vitamin D or calcium carbonate\n* have a chronic medical disorder which is a contraindication to vitamin D or calcium carbonate supplementation, including uncontrolled hyperparathyroidism, nephrolithiasis, or GI malabsorption disorders\n* are on loop diuretic agents or thiazides\n* have a contraindication to routine bloodwork for study purposes, including being hospitalized with a critical illness, cellulitis at blood draw sites, or presence of vascular grafts.","ALL","18 Years",{"count":19,"type":20},860,"ESTIMATED","INTERVENTIONAL",[23],"NA","Randomized double blind placebo controlled trial of vitamin D supplements, with or without calcium supplementation, versus placebo in reduction of recurrences in BPPV.",[26,27,28,29,30,31,32,33],"BPPV","Benign Paroxysmal Positional Vertigo","Vertigo","Vertigo, Peripheral","Dizziness","Dizziness; Epidemic","Vitamin D Deficiency","Calcium Deficiency",[35,36,37,38,39],"bppv","benign paroxysmal positional vertigo","vertigo","dizziness","vitamin D","NOT_YET_RECRUITING","2025-06-20",{"date":43,"type":44},"2025-06-25","ACTUAL",{"date":46,"type":20},"2025-08",{"date":48,"type":20},"2026-09",{"name":50,"class":51},"Ottawa Hospital Research Institute","OTHER",{"id":53,"slug":54,"hasResults":11,"nctId":55,"briefTitle":56,"officialTitle":56,"acronym":4,"eligibilityCriteria":57,"healthyVolunteers":58,"sex":16,"minAge":17,"maxAge":59,"enrollmentInfo":60,"targetDuration":4,"studyType":62,"phases":4,"briefSummary":63,"conditions":64,"keywords":65,"overallStatus":69,"whyStopped":4,"lastUpdateSubmitDate":70,"lastUpdatePostDateStruct":71,"startDateStruct":73,"completionDateStruct":75,"leadSponsor":77,"locationsCount":79},"100533621","cohort-study-of-clinical-and-neuroimaging-characteristics-for-bppv-patients-in-china-100533621","NCT06228196","Cohort Study of Clinical and Neuroimaging Characteristics for BPPV Patients in China","Inclusion Criteria:\n\n* Confirmed diagnosis of BPPV\u002FHealthy subjects who have not had BPPV\n\nExclusion Criteria:\n\n* History of organic diseases in central nervous system and mental disorder, such as tumors, infections, depressive disorder, schizophrenia, etc. Claustrophobic",true,"60 Years",{"count":61,"type":20},150,"OBSERVATIONAL","The main objective is to analyze the abnormality of physical condition, mental health and blood examination of the patients with benign paroxysmal positional vertigo (BPPV). Besides, the investigators aim to establish a database of BPPV based on multimodal magnetic resonance imaging data in the brain to identify high-risk patients with residual dizziness (RD) and systematically establish the comprehensive assessment system for the precise diagnosis, treatment and recovery of RD, optimize the tactics of BPPV management in China.",[26,28,29],[26,66,28,67,68],"residual dizziness","Neuroimaging","Epidemic","RECRUITING","2024-02-22",{"date":72,"type":44},"2024-02-26",{"date":74,"type":44},"2024-01-08",{"date":76,"type":20},"2026-09-30",{"name":78,"class":51},"First Affiliated Hospital Xi'an Jiaotong University",1]