Vitamin D to Improve Outcomes by Leveraging Early Treatment: Long-term Brain Outcomes in Vitamin D Deficient Patients
Public ClinicalTrials.gov record NCT03733418. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Vitamin D to Improve Outcomes by Leveraging Early Treatment: Long-term Brain Outcomes in Vitamin D Deficient Patients (VIOLET-BUD)
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
This ancillary study will determine if early administration of a single high-dose (540,000 IU) oral vitamin D3 (cholecalciferol) treatment improves 12-month global cognition and executive function as determined by comprehensive neuropsychological testing in 140 critically ill patients with Vitamin D deficiency at enrollment.
Study identification
- NCT ID
- NCT03733418
- Recruitment status
- Completed
- Study type
- Observational
- Phase
- Not listed
- Enrollment
- 95 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 18 Years and older
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Nov 1, 2018 (Actual)
- Primary completion
- Oct 2, 2019 (Actual)
- Completion
- Feb 21, 2020 (Actual)
- Last update posted
- Oct 21, 2024
2018 – 2020
United States locations
- U.S. sites
- 7
- U.S. states
- 6
- U.S. cities
- 6
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| University of Colorado Hospital | Aurora | Colorado | 80045 | — |
| Brigham and Women's Hospital | Boston | Massachusetts | 02115 | — |
| Beth Israel Deaconess Medical Center | Boston | Massachusetts | 02215 | — |
| Montefiore Medical Center | New York | New York | 10467 | — |
| Oregon Health and Science University Hospital | Portland | Oregon | 97239 | — |
| Vanderbilt University Medical Center | Nashville | Tennessee | 37232 | — |
| Intermountain Medical Center | Murray | Utah | 84107 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03733418, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Oct 21, 2024 · Synced Oct 19, 2026
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Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT03733418 live on ClinicalTrials.gov.