Trial of High Dose Vitamin D in Patient's With Crohn's Disease (RODIN-CD)
Crohn's Disease, Vitamin D Deficiency
About this trial
This is an interventional treatment trial for Crohn's Disease focused on measuring Crohn's disease, Vitamin D deficiency
Eligibility Criteria
Inclusion Criteria:
- Diagnosis of CD
- Age >= 18 and <75
- Vitamin D deficiency or insufficiency (serum 25-hydroxyvitamin D < 30ng/ml)
Exclusion Criteria:
- Corticosteroid use in the last 4 weeks
- CD-related surgery in the last 6 months
- CD-related hospitalization in the last 4 weeks
- Pregnancy, intended pregnancy during the study period or nursing
- Serum calcium >10.2 mg/dL
- History of primary sclerosing cholangitis
- History of undergoing an ileal pouch-anal anastomosis
- Current active perianal disease
- History of nephrolithiasis in the past 2 years
- Anticipated change in therapy in the next 30 days (steroids, biologic initiation)
- modified Harvey-Bradshaw Index of 10 or more
- History of decreased renal function (glomerular filtration rate <30ml/min based on MDRD) or polycystic kidney disease
- History of sarcoidosis
- History of hyperparathyroidism
- Any other chronic condition that may preclude high doses of Vitamin D such as lymphoma
- Concurrent use of hydrochlorothiazide, phenytoin, phenobarbital, carbamazepine or primidone
- Osteoporosis
Sites / Locations
- Indiana University
- University of Iowa
- University of Michigan
- University of North Carolina
Arms of the Study
Arm 1
Arm 2
Active Comparator
Experimental
Low Dose Vitamin D
High Dose Vitamin D
Patients will be given 400 IU cholecalciferol once daily for 30 days. <-THIS IS THE Active Comparator Intervention. To maintain the blind, a random few will be given another round at the 30 day mark. For patients who enroll in the summer, a random few will again receive 400 IU cholecalciferol in March.
Patients will be given cholecalciferol 10,000 IU daily for 30 days. <-THIS IS THE INTERVENTION. At that point, if their vitamin D levels remain below 50 ng/ml, the 30 day course will be repeated. For patients who enroll in the summer, levels will be rechecked in March and if <50 ng/ml, a 30 day course will be administered.