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Benign Paroxysmal Positional VertigoPhase 4NCT02031692

Efficacy of Vitamin D and Calcium Supplementation on the Prevention of Recurrences in BPPV

A Phase 4 study testing 400IU cholecalciferol and 500mg of elemental calcium as calcium carbonate in people with Benign Paroxysmal Positional Vertigo, run by Seoul National University Bundang Hospital at 1 site in South Korea.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

The purpose of this study is to determine whether the supplementation of vitamin D and calcium prevents recurrences of benign paroxysmal positional vertigo in patients with vitamin D deficiency/insufficiency. Read more about this study

Who is it for?
Ages 18 years and older
Conditions the study is for
Benign Paroxysmal Positional Vertigo
What is being tested?
400IU cholecalciferol and 500mg of elemental calcium as calcium carbonate
Could I receive a placebo?
No, everyone receives an active treatment
How many people
1,050 participants
Where
1 siteSouth Korea
Study dates
Dec 2013to 15 Jun 2017
Phase
Phase 4
Are there results?
None posted in the registry

Key requirements

Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.

  • Ages 18 years and older
  • All sexes
  • No healthy volunteers
  • Adult, Older adult

Who may be able to join

  • age 18 years or older
  • brief episodes of vertigo induced by head motion
  • a typical positioning nystagmus characteristic of BPPV
  • no supplementation of vitamin D or calcium at the time of recruitment
  • informed consent to participate in this study
  • subject treated by repositioning maneuver

Who cannot join

  • other identifiable disorders of the central nervous system
  • supplementation of vitamin D or calcium at the time of recruitment
  • pregnancy
  • a history of an allergic reaction, or a medically significant adverse reaction to the investigational product
  • contraindication to cholecalciferol and calcium carbonate

Trial locations and contacts

1 site in 1 country.

South Korea1 site
  • Seoul National Universtiy Bundang Hospital

    Seongnam-si, Gyeonggi-do, 463-707

Other trials in South Korea

About this study

Official title: Efficacy of Vitamin D and Calcium Supplementation on the Prevention of Recurrences in Benign Paroxysmal Positional Vertigo: A Prospective Multicenter Randomized Trial

The purpose of this study is to determine whether the supplementation of vitamin D and calcium prevents recurrences of benign paroxysmal positional vertigo in patients with vitamin D deficiency/insufficiency.

Being tested
400IU cholecalciferol and 500mg of elemental calcium as calcium carbonate
Keywords
Benign paroxysmal positional vertigo, Vitamin D, Calcium, Prevention
Medical subject headings
Benign Paroxysmal Positional Vertigo

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • 400IU cholecalciferol and 500mg of elemental calcium as calcium carbonateDrug

    Also called CAVID CHEWABLE TAB, Takeda Pharmaceuticals

    The patients allocated to the intervention group will have a test for serum vitamin D, and receive 800 IU of vitamin D and 1000 mg of calcium as calcium carbonate when the serum vitamin D is decreased. The patients in the control group will be followed up without intervention for one year.

Study groups in NCT02031692
Study groupRoleWhat they receive
Vitamin D and calcium supplementActive comparatorNot described
Receives: Drug: 400IU cholecalciferol and 500mg of elemental calcium as calcium carbonate
ControlNo interventionNot described

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Recurrence frequency of benign paroxysmal positional vertigo

    The intervention group will receive tablets containing 400IU cholecalciferol and 500mg of elemental calcium as calcium carbonate twice daily (CAVID CHEWABLE TAB, Takeda Pharmaceuticals) for 12 months when the initial serum vitamin D is decreased. The compliance will be determined by the percentage of consumed tablets from the delivered tablets during the follow-up period. Discontinuation of the supplementation due to adverse effects or other reasons will be registered using the telephone interview together with the primary outcome date. Participants in the control group will not have any intervention or placebo. They will not be allowed to take vitamin D or calcium as supplements during the follow-up. The primary outcome measure is the recurrence of BPPV after one year. Data on recurrences will be collected using a monthly telephone interview, and the patients will be asked to visit the clinic whenever they have the symptoms of BPPV. All the recurrences of BPPV will be included.

    Measured: Up to 1 year

Secondary outcomes (5)
  1. Changes in serum 25-hydroxy vitamin D level

    In intervention group, the baseline vitamin D status of participants will be checked. And the level of 25-hydroxyvitamin D level will be rechecked at 2 months from the recruitment and at the end of the follow-up.

    Measured: Up to 1 year

  2. Falling frequency

    To determine the supplementation of the vitamin D and calcium carbonate is effective to decrease falling frequency.

    Measured: Up to year

  3. Fracture frequency

    To determine the supplementation of the vitamin D and calcium carbonate is effective to decrease fracture frequency.

    Measured: Up to 1 year

  4. Quality of life

    To determine the supplementation of the vitamin D and calcium carbonate is related to quality of life using UCLA-dizziness questionnaire

    Measured: Up to 1 year

  5. Recurrence rate of benign paroxysmal positional vertigo

    The intervention group will receive tablets containing 400IU cholecalciferol and 500mg of elemental calcium as calcium carbonate twice daily (CAVID CHEWABLE TAB, Takeda Pharmaceuticals) for 12 months when the initial serum vitamin D is decreased. The compliance will be determined by the percentage of consumed tablets from the delivered tablets during the follow-up period. Discontinuation of the supplementation due to adverse effects or other reasons will be registered using the telephone interview together with the primary outcome date. Participants in the control group will not have any intervention or placebo. They will not be allowed to take vitamin D or calcium as supplements during the follow-up. The primary outcome measure is the recurrence rate of BPPV after one year. Data on recurrences will be collected using a monthly telephone interview, and the patients will be asked to visit the clinic whenever they have the symptoms of BPPV. All the recurrences of BPPV will be included.

    Measured: Up to 1 year

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted9 Jan 2014 (estimated)
  2. Study startDec 2013
  3. Primary completion26 May 2017
  4. Study completion15 Jun 2017

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 4
Primary purpose
Prevention
Allocation
Randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
1,050 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT02031692
Sponsor's protocol ID
08-2013-092
Other IDs
HI10C2020, 1386-5650-7389-0156
Status last verified
Nov 2017
First submitted
8 Jan 2014
Last updated
17 Nov 2017
Results posted
No
Data monitoring committee
Yes

Publications

  • Jeong SH, Kim JS, Shin JW, Kim S, Lee H, Lee AY, Kim JM, Jo H, Song J, Ghim Y. Decreased serum vitamin D in idiopathic benign paroxysmal positional vertigo. J Neurol. 2013 Mar;260(3):832-8. doi: 10.1007/s00415-012-6712-2. Epub 2012 Oct 25.

    PubMed 23096068
  • Jeong SH, Choi SH, Kim JY, Koo JW, Kim HJ, Kim JS. Osteopenia and osteoporosis in idiopathic benign positional vertigo. Neurology. 2009 Mar 24;72(12):1069-76. doi: 10.1212/01.wnl.0000345016.33983.e0.

    PubMed 19307540
  • Jeong SH, Kim JS. Impaired Calcium Metabolism in Benign Paroxysmal Positional Vertigo: A Topical Review. J Neurol Phys Ther. 2019 Apr;43 Suppl 2:S37-S41. doi: 10.1097/NPT.0000000000000273.

    PubMed 30883492

Questions about this trial

What is this clinical trial studying?

A Phase 4 study testing 400IU cholecalciferol and 500mg of elemental calcium as calcium carbonate in people with Benign Paroxysmal Positional Vertigo, run by Seoul National University Bundang Hospital at 1 site in South Korea.

The full registered description is in the About this study section and the official record.

Who may be eligible to take part?

The sponsor lists 6 inclusion and 5 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.

Is this clinical trial currently recruiting?

The record says: finished, as of the sponsor's last update on 17 Nov 2017. Status can change between updates, so confirm with the study contact before making plans.

Where is the study taking place?

The record lists 1 site in South Korea. Whether a site is taking part right now should be confirmed with that site. See every site.

What are the possible benefits and risks?

They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.

What does this phase mean?

Phase 4 studies take place after a treatment is approved, to learn more about its long-term benefits and risks in everyday use.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.

How can a doctor refer a patient or contact the research team?

The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.

What does the primary outcome measure?

Recurrence frequency of benign paroxysmal positional vertigo (time frame: Up to 1 year). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT02031692, which also lists 3 linked publications.

Does a listing mean the treatment is approved or proven to work?

No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.

How often is this information updated?

AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 17 Nov 2017.

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