The Effect of VItamin D Supplementation on Nutritional STatus and Adverse Outcomes in Bariatric Surgery (VISTA)

NCT02212652 NA TERMINATED

VISTA is looking to see if vitamin D supplements before bariatric surgery might improve vitamin D stores, which may help to prevent some complications like infections. Who can join this research study? * Approved to undergo bariatric surgery-Roux-en-Y Gastric Bypass or Vertical Sleeve Gastrectomy-at the Johns Hopkins Bayview Medical Center * 18 to 64 years of age * BMI of 35 to 49.9 kg/m2 * VitD insufficient or deficient prior to having surgery What will happen if a participant chooses to participate in this research study? * The participant will be randomly assigned (by chance) to receive either: * Standard care plus vitamin D supplements or * Standard care plus a placebo (contains no vitamin D) * Either would be provided at no cost to the participant * The investigators will ask the participant to complete a survey on the day of surgery regarding supplement use * The investigators will follow the participants medical record through the 12 month follow up clinic visit.

Details

Lead sponsor	Johns Hopkins University
Phase	NA
Status	TERMINATED
Enrolment	70
Start date	2017-01
Completion	2017-04

Conditions

• Vitamin D Deficiency
• Vitamin D Insufficiency

Interventions

• Vitamin D
• Placebo
• Standard of Care

Primary outcomes

• Vitamin D status as measured by serum 25(OH)D concentration. — Up to 12 months after surgery
  Improved post-operative vitamin D status as measured by serum 25(OH)D concentration.

Countries

United States