About Pricing FAQs Providers Trials Blog

Login Get started

Finding studies

Your health journey, clearly organized.

Questions? [email protected]

Product

How it works
Pricing
For Providers
Trials

Company

About
Blog
FAQ

Legal

Privacy Policy
Terms of Service

© 2026 Clareo Health. All rights reserved.

Vascular Function, Insulin Sensitivity, and Vitamin D

NCT01041547·1 site·ClinicalTrials.gov

What this study is about

Take this into the appointment.

Saves the questions and what to expect into your notes, next to the visit they belong to.

Keep this study

Lead

University of Alabama at Birmingham

Age

19–60

Sex

ALL

Healthy volunteers

Accepted

You may be eligible if

African American (AA), White Hispanic (WH), and European American (EA) race
Ages 19-60 years
Negative urine pregnancy test
No evidence of diabetes
Not on medications that can affect vascular functioning or insulin sensitivity

You may not be if

BMI \> 32 kg/m2
Diabetes or any chronic diseases
Use of medication(s) known to influence body composition, vascular function, or glucose metabolism
Regular smoking
Regular use of illegal drugs and pregnancy

The record

StatusCompleted

PhaseNo phase

Taking part63

StartedDec 2009

UpdatedJan 14, 2014

Conditions

Insulin Sensitivity Flow-mediated Dilation Arterial Stiffness

Where1

University of Alabama
Birmingham, Alabama, United States

Clareo Health | Vascular Function, Insulin Sensitivity, and Vitamin D