601 studies found for:    vitamin D cancer
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1 Active, not recruiting Vitamin D Levels in Stage IV Colorectal Cancer Patients
Condition: Colorectal Cancer
Intervention: Drug: vitamin D repletion with Cholecalciferol (vitamin D3 50,000 International Units)
2 Recruiting Study of Vitamin D in Untreated Metastatic Colorectal Cancer
Condition: Metastatic Colorectal Cancer
Interventions: Drug: FOLFOX + bevacizumab;   Dietary Supplement: Vitamin D
3 Recruiting Cholecalciferol in Improving Survival in Patients With Newly Diagnosed Cancer With Vitamin D Insufficiency
Conditions: Adult Nasal Type Extranodal NK/T-cell Lymphoma;   Anaplastic Large Cell Lymphoma;   Angioimmunoblastic T-cell Lymphoma;   Contiguous Stage II Adult Diffuse Large Cell Lymphoma;   Hepatosplenic T-cell Lymphoma;   Male Breast Cancer;   Noncontiguous Stage II Adult Diffuse Large Cell Lymphoma;   Peripheral T-cell Lymphoma;   Stage 0 Chronic Lymphocytic Leukemia;   Stage I Adult Diffuse Large Cell Lymphoma;   Stage I Chronic Lymphocytic Leukemia;   Stage I Colon Cancer;   Stage I Cutaneous T-cell Non-Hodgkin Lymphoma;   Stage I Rectal Cancer;   Stage I Small Lymphocytic Lymphoma;   Stage IA Breast Cancer;   Stage IB Breast Cancer;   Stage II Breast Cancer;   Stage II Cutaneous T-cell Non-Hodgkin Lymphoma;   Stage IIA Colon Cancer;   Stage IIA Rectal Cancer;   Stage IIB Colon Cancer;   Stage IIB Rectal Cancer;   Stage IIC Colon Cancer;   Stage IIC Rectal Cancer;   Stage III Adult Diffuse Large Cell Lymphoma;   Stage III Cutaneous T-cell Non-Hodgkin Lymphoma;   Stage IIIA Breast Cancer;   Stage IIIA Colon Cancer;   Stage IIIA Rectal Cancer;   Stage IIIB Breast Cancer;   Stage IIIB Colon Cancer;   Stage IIIB Rectal Cancer;   Stage IIIC Breast Cancer;   Stage IIIC Colon Cancer;   Stage IIIC Rectal Cancer;   Stage IV Adult Diffuse Large Cell Lymphoma;   Stage IV Breast Cancer;   Stage IV Cutaneous T-cell Non-Hodgkin Lymphoma;   Stage IVA Colon Cancer;   Stage IVA Rectal Cancer;   Stage IVB Colon Cancer;   Stage IVB Rectal Cancer
Interventions: Dietary Supplement: cholecalciferol;   Other: placebo;   Other: laboratory biomarker analysis
4 Recruiting High Dose Vitamin D Study
Condition: Colorectal Cancer
Intervention: Drug: Vitamin D
5 Recruiting Anti-proliferative Effects of Vitamin D and Melatonin in Breast Cancer
Condition: Early Stage Breast Cancer
Interventions: Drug: Melatonin;   Drug: Vitamin D;   Drug: Placebo (melatonin);   Drug: Placebo (vitamin D)
6 Completed
Has Results
Assess Vitamin D Levels in Those With & Without Thyroid Cancer
Condition: Thyroid Cancer
Intervention:
7 Completed Vitamin D3 Supplementation in Participants Diagnosed With Early-Stage Prostate Cancer Who Decide to Undergo Active Surveillance Treatment Regimen.
Condition: Prostate Cancer
Intervention: Dietary Supplement: cholecalciferol
8 Active, not recruiting Vitamin D for Chemoprevention
Conditions: Gastrointestinal Cancers;   Prostate Cancer;   Hypertension
Interventions: Drug: Vitamin D;   Dietary Supplement: Placebo
9 Recruiting Vitamin D for Women at Increased Risk of Developing Ovarian, Fallopian, or Primary Peritoneal Cancer
Conditions: Ovarian Cancer;   Fallopian Tube Cancer;   Primary Peritoneal Cancer
Interventions: Dietary Supplement: Arm A: Vitamin D3 Group;   Dietary Supplement: Placebo
10 Completed Epidemiological Analysis of Vitamin D and Breast Cancer Risk in Saudi Arabian Women
Conditions: Breast Cancer;   Vitamin D Deficiency
Intervention:
11 Suspended Vitamin D and Breast Cancer Biomarkers in Female Patients
Condition: Breast Cancer
Interventions: Dietary Supplement: vitamin D;   Other: placebo
12 Completed
Has Results
Modulation of Breast Cancer Risk Biomarkers by High Dose Vitamin D
Condition: Breast Cancer
Intervention: Drug: vitamin D3
13 Active, not recruiting Vitamin D Supplementation in Veterans With Early-Stage Prostate Cancer
Condition: Prostate Cancer
Interventions: Drug: vitamin D3;   Drug: Placebo daily for one year
14 Completed High Dose Vit D Musculoskeletal Symptoms & Bone Density in Anastrozole-Treated Breast Cancer With Marginal Vit D Status
Condition: Breast Neoplasms
Interventions: Dietary Supplement: Vitamin D;   Dietary Supplement: Calcium carbonate;   Drug: Vitamin D;   Other: Placebo
15 Recruiting Effects of Vitamin D in Patients With Breast Cancer
Condition: Breast Cancer
Interventions: Drug: Vitamin D3;   Other: Placebo
16 Completed Vitamin D Deficiency, Muscle Pain, Joint Pain, and Joint Stiffness in Postmenopausal Women Receiving Letrozole For Stage I-III Breast Cancer
Conditions: Arthralgia;   Musculoskeletal Complications;   Pain;   Recurrent Breast Cancer;   Stage I Breast Cancer;   Stage II Breast Cancer;   Stage IIIA Breast Cancer;   Stage IIIB Breast Cancer;   Stage IIIC Breast Cancer
Interventions: Drug: letrozole;   Dietary Supplement: calcium carbonate;   Other: laboratory biomarker analysis;   Dietary Supplement: calcium citrate;   Dietary Supplement: calcium glucarate;   Drug: calcium gluconate;   Dietary Supplement: cholecalciferol;   Procedure: assessment of therapy complications;   Procedure: musculoskeletal complications management/prevention
17 Completed Vitamin D, Diet and Activity Study
Conditions: Breast Cancer;   Obesity;   Hypovitaminosis D
Interventions: Dietary Supplement: Vitamin D;   Dietary Supplement: Placebo
18 Recruiting Vitamin D Loading Dose in Advanced Lung Cancer
Condition: Lung Cancer
Intervention: Dietary Supplement: vitamin D
19 Recruiting Vitamin D3 Supplementation for Low-Risk Prostate Cancer: A Randomized Trial
Condition: Prostate Cancer
Interventions: Drug: Vitamin D3;   Drug: Placebo
20 Recruiting Vitamin D and Breast Cancer: Does Weight Make a Difference?
Condition: Breast Cancer
Intervention: Drug: Vitamin D3

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Indicates status has not been verified in more than two years