Vitamin D Supplementation in Overweight/Obese African American Adults and Youth (D-SUNNY)

Completed · Not applicable · Has a placebo group

Conditions studied: Vitamin D Deficiency

In brief

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.

Key facts

Study ID

NCT01583621

Run by

Augusta University

People needed

74

Starts

2011-11-01

Expected to finish

2015-08-01

Last updated by the study team

2017-02-09

Who can join

Age: 13 and older, up to 45. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• African-Americans (blacks)
• Age 13-45
• Overweight/obese (BMI ≥ 85th percentile for their age and gender for age 13-17 and BMI ≥ 25 kg/m2 for age 18-45)
• Relatively healthy (no medical history of any heart, lung, endocrine or malignant disorder)
• Non pregnant
• Not on any medication or vitamin supplements that can influence the study outcomes
• Serum 25 hydroxy Vitamin D (25[OH] D) levels ≤ 20 ng/ml (50 nmol/L) at the time of screening

You may not qualify if…

• Not meeting any one or more of the above criteria
• Females who become pregnant/test positive on urine pregnancy test during the screening or any of the testing visits
• Anyone who is taking any multivitamin supplements that contains vitamin D

Where it is running

• Georgia Prevention Institute — Augusta, Georgia, United States

Full record on ClinicalTrials.gov

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