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Brief Title: Effectiveness of High Dose Vitamin D Supplementation in Stage III Colorectal Cancer
Official Title: Prospective Pilot Study to Assess the Effectiveness of Vitamin D Supplementation for Patients Requiring Chemotherapy for Stage III Colorectal Cancer
Study ID: NCT02603757
Brief Summary: This is a pilot study to test whether there is an association between baseline Vitamin D levels, Vitamin D supplementation and survival in patients with stage III colon and stage II/III rectal cancer receiving chemotherapy. 70 patients with colon stage III or rectal stage II or III cancer that require chemotherapy will be screened and 60 patients will be enrolled. Patients will be randomized to standard dose (2000 IU daily) or high-dose (50,000 IU weekly) Vitamin D supplementation for 1 year after initiation of chemotherapy. Patients' Vitamin D levels will be checked throughout supplementation then followed for 5 years with occasional Vitamin D testing and surveying in order to collect information on recurrence and survival outcomes.
Detailed Description:
Minimum Age: 18 Years
Eligible Ages: ADULT, OLDER_ADULT
Sex: ALL
Healthy Volunteers: No
Legacy Mount Hood Medical Center, Gresham, Oregon, United States
Legacy Good Samaritan Medical Center, Portland, Oregon, United States
Legacy Meridian Park Medical Center, Tualatin, Oregon, United States
Name: Eric C Anderson, MD
Affiliation: Oregon Health and Science University
Role: PRINCIPAL_INVESTIGATOR