About this trial
Randomized double blind placebo controlled trial of vitamin D supplements, with or without calcium supplementation, versus placebo in reduction of recurrences in BPPV.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Age 18 years or older
2 or more distinct episodes of benign paroxysmal positional vertigo within a 12-month period on history
At least 1 episode diagnosed based on physical examination by trained study personnel, meeting the diagnostic criteria of the Bárány Society
Episodes separated in time, with a minimum of 1 week symptom-free between episodes
Disqualifiers
have another identifiable cause of vertigo identified on history or physical examination
have a history of allergy or medically significant adverse reaction to vitamin D or calcium carbonate
have a chronic medical disorder which is a contraindication to vitamin D or calcium carbonate supplementation, including uncontrolled hyperparathyroidism, nephrolithiasis, or GI malabsorption disorders
are on loop diuretic agents or thiazides
Trial design
Parallel
Treatments tested in this trial
vitamin D +/- calcium
Dietary supplementvitamin D 1000iU daily +/- calcium 500mg BID daily
Placebo
Other interventionplacebo pill x3 daily
Treatment groups
Trial outcomes
Primary outcomes
Recurrence rate of BPPV
how many recurrences of BPPV
Secondary outcomes
serum vitamin D levels (25(OH)D3)
serum vitamin D levels
proportion of serum vitamin D normalization
do patients normalize
time to serum vitamin D normalization
how long does it take patients to normalize
proportion of recurrences
what proportion of total patients have recurrences
Locations
Sponsors and contacts
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This trial is not recruiting at the moment. You can still explore other options: