deltatrials
Completed PHASE4 INTERVENTIONAL 2-arm NCT02031692

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

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

Sponsor: Ministry of Food and Drug Safety, Korea

Updated 7 times since 2017 Last updated: Nov 14, 2017 Started: Dec 31, 2013 Primary completion: May 26, 2017 Completion: Jun 15, 2017
This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

Listed as NCT02031692, this PHASE4 trial focuses on Benign Paroxysmal Positional Vertigo and remains completed. Sponsored by Ministry of Food and Drug Safety, Korea, it has been updated 7 times since 2013, reflecting limited change activity. This study adds to the evidence base for this therapeutic area through structured, versioned documentation.

Status Flow

~Jan 2017 – ~Dec 2017 · 11 months · monthly snapshotRecruiting~Dec 2017 – ~Jun 2018 · 6 months · monthly snapshotCompleted~Jun 2018 – ~Jan 2021 · 31 months · monthly snapshotCompleted~Jan 2021 – ~Jul 2024 · 42 months · monthly snapshotCompleted~Jul 2024 – ~Sep 2024 · 2 months · monthly snapshotCompleted~Sep 2024 – ~Sep 2025 · 12 months · monthly snapshotCompleted~Sep 2025 – present · 10 months · monthly snapshotCompleted

Change History

7 versions recorded
  1. Sep 2025 — Present [monthly]

    Completed PHASE4

  2. Sep 2024 — Sep 2025 [monthly]

    Completed PHASE4

  3. Jul 2024 — Sep 2024 [monthly]

    Completed PHASE4

  4. Jan 2021 — Jul 2024 [monthly]

    Completed PHASE4

  5. Jun 2018 — Jan 2021 [monthly]

    Completed PHASE4

Show 2 earlier versions
  1. Dec 2017 — Jun 2018 [monthly]

    Completed PHASE4

    Status: RecruitingCompleted

  2. Jan 2017 — Dec 2017 [monthly]

    Recruiting PHASE4

    First recorded

Dec 2013

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:
  • Ministry of Food and Drug Safety, Korea
  • Seoul National University Bundang Hospital
Data source: Seoul National University Bundang Hospital

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations