Status:

COMPLETED

Vitamin D and Adipose Tissue Inflammation

Lead Sponsor:

Fred Hutchinson Cancer Center

Collaborating Sponsors:

University of Washington

Conditions:

Vitamin D Deficiency

Obesity

Eligibility:

All Genders

18-65 years

Phase:

NA

Brief Summary

Chronic, low-grade adipose tissue inflammation is a major risk factor for type 2 diabetes mellitus. The cause of adipose tissue inflammation has remained largely unclear. We hypothesize that vitamin D...

Detailed Description

The objective of this project is to investigate whether vitamin D modulates chronic low-grade adipose tissue inflammation in overweight and obese, vitamin D deficient men and women. Obesity is associ...

Eligibility Criteria

Inclusion

  • Age: 18-65 years;
  • BMI ≥25 kg/m2;
  • Plasma 25-OH-vitamin D between 7 and 20 ng/mL
  • Weight stable to within 10 pounds for 6 months prior to entering the study, and within 30 pounds of their lifetime maximum weight (excluding pregnancy);
  • Ability to be admitted for \~6.5 hours on three occasions to the FHCRC Prevention Center,
  • Ability to provide informed written consent;
  • Willingness to take vitamin D3 capsules daily for 6 months

Exclusion

  • Chronic disease such as thyroid disease, liver disease, or kidney disease;
  • Diabetes mellitus, or fasting glucose \>125 mg/dL;
  • Chronic inflammatory condition such as autoimmune disease or inflammatory bowel disease;
  • Malabsorption syndromes (untreated celiac disease; condition after stomach or intestinal resection);
  • Current or recent (within one month) chronic intake of medications likely to interfere with study endpoints \[(insulin, antidiabetics, anabolic steroids, glucocorticosteroids, statins, blood thinners (warfarin, aspirin), non-steroidal anti-inflammatory drugs (if daily)\];
  • Current or recent (within 3 months) intake of vitamin D in excess of 600 IU/day;
  • Anemia, recent history (within 3 months) of anemia; recent (within 3 months) blood donation; recent (within 3 months) participation in another study that involved blood draws; or plans to participate in other research that involves blood draws during the study period;
  • Pregnancy in the last 6 months, plans to become pregnant during the study period, or current breastfeeding.

Key Trial Info

Start Date :

November 1 2011

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

June 1 2013

Estimated Enrollment :

18 Patients enrolled

Trial Details

Trial ID

NCT01477034

Start Date

November 1 2011

End Date

June 1 2013

Last Update

April 4 2014

Active Locations (1)

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Fred Hutchinson Cancer Research Center

Seattle, Washington, United States, 98109