Improving Functionality in Older People
Public ClinicalTrials.gov record NCT03611049. 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
Improving Cognition and Brain Imagery Through Optimal Vitamin D Supplementation in the Elderly
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
The study will examine if overall functionality of older adults with Vitamin D insufficiency can be improved by optimal Vitamin D replacement over a period of approximately one year. A variety of outcome metrics will be examined including mental and physical parameters
Study identification
- NCT ID
- NCT03611049
- Recruitment status
- Terminated
- Study type
- Interventional
- Phase
- Phase 2
- Enrollment
- 14 participants
Conditions and interventions
Conditions
Interventions
- High dose Vitamin D3 Dietary Supplement
- Low dose Vitamin D3 Dietary Supplement
Dietary Supplement
Eligibility (public fields only)
- Age range
- 65 Years to 89 Years
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Jul 31, 2018
- Primary completion
- Jul 18, 2019
- Completion
- Jul 18, 2019
- Last update posted
- Jul 22, 2019
2018 – 2019
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Texas Tech University Health Sciences Center | Lubbock | Texas | 79430 | — |
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 NCT03611049, 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 Jul 22, 2019 · Synced Sep 2, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03611049 live on ClinicalTrials.gov.