Study Status: Recruiting
Recruit Status: Recruiting
Study Type: Interventional
Official Title: Effect of Vitamin D Replacement on Tumor Response and Survival Parameters for Vitamin D Insufficient Patients With Cancer
Brief Summary: This partially randomized clinical trial studies cholecalciferol in improving survival in patients with newly diagnosed cancer with vitamin D insufficiency. Vitamin D replacement may improve tumor response and survival and delay time to treatment in patients with cancer who are vitamin D insufficient.