Vitamin D to Improve Nutrition Prior to Bariatric Surgery and Investigate the Relationship With Negative Outcomes
Public ClinicalTrials.gov record NCT02212652. 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.
Official title
The Effect of VItamin D Supplementation on Nutritional STatus and Adverse Outcomes in Bariatric Surgery (VISTA)
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
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.
Study identification
- NCT ID
- NCT02212652
- Recruitment status
- Terminated
- Study type
- Interventional
- Phase
- Not applicable
- Enrollment
- 70 participants
Conditions and interventions
Conditions
Interventions
- Vitamin D Dietary Supplement
- Placebo Other
- Standard of Care Other
Dietary Supplement · Other
Eligibility (public fields only)
- Age range
- 18 Years to 64 Years
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Dec 31, 2016
- Primary completion
- Mar 31, 2017
- Completion
- Mar 31, 2017
- Last update posted
- Jun 5, 2019
2017
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| The Johns Hopkins Center for Bariatric Surgery | Baltimore | Maryland | 21224 | — |
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 NCT02212652, 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 Jun 5, 2019 · Synced Sep 8, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete protocol, eligibility criteria, and contact information for NCT02212652 live on ClinicalTrials.gov.