[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"conditionNormalized\":\"dizziness-epidemic\",\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:dizziness-epidemic":31},{"pageToken":4,"total":5,"offset":6,"count":5,"results":7},null,1,0,[8],{"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"]