Vitamin D Supplementation in Overweight/Obese African American Adults and Youth (D-SUNNY)
Public ClinicalTrials.gov record NCT01583621. 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.
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
Primary Specific Aim 1: To compare the dose-responsive effects of vitamin D3 supplementations on 25(OH) D, parathyroid hormone (PTH), and serum/urine calcium. Primary Specific Aim 2: To compare the dose-responsive effects of vitamin D3 supplementations on non-invasive vascular measures including pulse wave velocity (PWV), flow-mediated dilation (FMD), carotid arterial compliance (CAC), carotid Intima-Media Thickness (cIMT), and 24-hours Ambulatory Blood Pressure (ABP) monitoring as well as casual BP.
Study identification
- NCT ID
- NCT01583621
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Not applicable
- Enrollment
- 74 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 13 Years to 45 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
- Oct 31, 2011
- Primary completion
- Oct 31, 2012
- Completion
- Jul 31, 2015
- Last update posted
- Feb 8, 2017
2011 – 2015
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Georgia Prevention Institute | Augusta | Georgia | 30912 | — |
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 NCT01583621, 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 Feb 8, 2017 · Synced Sep 23, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT01583621 live on ClinicalTrials.gov.