Chronic Lymphocytic Leukemia Clinical Trial
Official title:
A Pilot Study of Vitamin D Replacement in Patients With Non-Hodgkin's Lymphoma or Chronic Lymphocytic Leukemia With Low Vitamin D Levels
This randomized pilot early phase I trial studies how well cholecalciferol works in treating patients with newly diagnosed non-Hodgkin lymphoma or chronic lymphocytic leukemia with low levels of vitamin D (vitamin D deficiency). Cholecalciferol may increase levels of vitamin D and improve survival in patients with non-Hodgkin lymphoma or chronic lymphocytic leukemia receiving standard of care chemotherapy.
PRIMARY OBJECTIVES: I. To evaluate the 3 year progression-free survival (PFS), defined as time from the time of study entry of watch and wait or newly diagnosed non-Hodgkin lymphoma (NHL) or chronic lymphocytic leukemia (CLL) until relapse, progression, or death from any cause. SECONDARY OBJECTIVES: I. To evaluate changes in the levels of serum vitamin D levels during therapy with daily oral vitamin D supplementation (cholecalciferol). II. To evaluate the overall survival (OS), defined as time from the time of study entry of watch and wait patients or newly diagnosed NHL or CLL until death from any cause. OUTLINE: Patients with low levels of vitamin D are randomized to 1 of 2 arms and patients with normal levels are assigned to Arm III. ARM I: Patients receive high-dose cholecalciferol orally (PO) daily for 3 years in the absence of disease progression or unacceptable toxicity. ARM II: Patients receive low-dose cholecalciferol PO daily for 3 years in the absence of disease progression or unacceptable toxicity. ARM III: Patients receive no intervention. ;
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