Dietary supplement of vitamin D3 and calcium

Dietary supplement of vitamin D3 and calcium
Vitamin D3 and Calcium: 1500 mg of calcium citrate plus 1000 IU of vitamin D3 and 1000 IU of vitamin D3 bariatric supplements per day

Vitamin D3 and Calcium

Sex: Female, Male

Ethnicity (NIH/OMB)

Race (NIH/OMB)

Region of Enrollment

BMI, kg/m^2

Body weight, lb

Excess body weight, lb

Surgery type

Serum 25(OH)D ng/ml levels at baseline and 12 weeks following bariatric surgery

Vitamin D Concentrations, Pre Operative and Post Bariatric Surgery Following 12 Weeks of Vitamin D Supplementation

We anticipate that vitamin D supplementation of Roux-en Y bariatric surgery patients will be less effective in improving or maintaining vitamin D status.

Sleeve Gastrectomy

Roux-Y Gastric Bypass

Serum 25-hydroxyvitamin D Levels at Baseline and 12 Weeks of Daily Vit D Supplementation Post Roux-en Y OR Sleeve Gastrectomy

Overall Study

Sherman Vadim

Obesity

Vitamin D Deficiency

1500 mg of calcium citrate plus 1000 IU of vitamin D3 and 1000 IU of vitamin D3 bariatric supplements per day

The Methodist Hospital

Efficacy of Vitamin D Supplementation in Bariatric Surgery Patients

Preoperative Vitamin D Status and Efficacy of Therapeutic Vitamin D Supplementation Postoperatively in Bariatric Surgery Patients

Vadim Sherman, MD

Sponsor-Investigator/Principal Investigator

Texas Woman's University

The Methodist Hospital System

The control arm will not receive vitamin D replacement, but patients in both study arms will receive care consistent with best care practices for stone disease. All patients will be evaluated by the stone clinic clinical nutritionist and full nutritional evaluation will be performed. All patients will be advised to maintain adequate hydration (>2L/day), no-added salt diet (Na 80-100mmol/day), low protein diet (1 g/kg/day). Patients with hyperoxaluria will be advised to follow low-oxalate diet. All patients will be advised to maintain moderate calcium intake; 800-1200mg/day.

The active arm of randomization will receive vitamin D repletion in the form of oral vitamin D3 tablets 10 000 IU twice/ week for 8 consecutive weeks, followed by a maintenance dose of 1 000 IU daily for further 22 months.

Urolithiasis

Vitamin D3

Royal Victoria Hospital, McGill University Health Center

Effect of Vitamin D Replacement in Patients With Urolithiasis

Effect of Vitamin D Replacement in Vitamin D Deficient Patients With History of Urolithiasis: A Randomized Controlled Trial

Dr Sero Andonian

Associate Professor of Urology

McGill University Health Centre/Research Institute of the McGill University Health Centre

vitamin d deficiency/potassium

Efficacy of Vitamin D Supplementation in Bariatric Surgery Patients

Effect of Vitamin D Replacement in Patients With Urolithiasis

Analysis of Calcium Balance in Chronic Kidney Disease

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