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813 studies found for:    vitamin d cancer
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Rank Status Study
1 Recruiting Study to Identify Transcriptional Targets of Vitamin D in Patients With Stage I-III Colon Cancer or Resectable Colon Cancer Liver Metastases Receiving Preoperative Vitamin D Supplementation.
Conditions: Stage, Colon Cancer;   Stage I-III Colon Cancer;   Stage IV Colon Cancer With Resectable Liver Metastases
Intervention: Drug: Vitamin D3
2 Completed
Has Results
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)
3 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
4 Completed
Has Results
Assess Vitamin D Levels in Those With & Without Thyroid Cancer
Condition: Thyroid Cancer
Intervention:
5 Completed Epidemiological Analysis of Vitamin D and Breast Cancer Risk in Saudi Arabian Women
Conditions: Breast Cancer;   Vitamin D Deficiency
Intervention:
6 Recruiting Study of Vitamin D in Untreated Metastatic Colorectal Cancer
Condition: Metastatic Colorectal Cancer
Interventions: Drug: FOLFOX + bevacizumab;   Dietary Supplement: Vitamin D
7 Recruiting Effectiveness of High Dose Vitamin D Supplementation in Stage III Colorectal Cancer
Conditions: Colon Cancer;   Rectal Cancer
Intervention: Dietary Supplement: cholecalciferol
8 Completed Effects of Vitamin D in Patients With Breast Cancer
Condition: Breast Cancer
Interventions: Drug: Vitamin D3;   Other: Placebo
9 Recruiting High Dose Vitamin D Study
Condition: Colorectal Cancer
Intervention: Drug: Vitamin D
10 Completed Clinical Trial of Vitamin D3 to Reduce Cancer Risk in Postmenopausal Women
Condition: Cancer
Interventions: Dietary Supplement: Vitamin D;   Dietary Supplement: Calcium
11 Completed Vitamin D in Postmenopausal Women at High Risk for Breast Cancer
Condition: Breast Cancer
Interventions: Drug: cholecalciferol (capsules+placebo);   Drug: cholecalciferol (capsules)
12 Active, not recruiting Vitamin D and Breast Cancer Biomarkers in Female Patients
Condition: Breast Cancer
Interventions: Dietary Supplement: vitamin D;   Other: placebo
13 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)
14 Completed Vitamin D and Prostate Cancer: A Clinical Study Enrolling Subjects Undergoing Prostatectomy
Condition: Prostate Cancer
Interventions: Drug: cholecalciferol;   Other: placebo
15 Completed Vitamin D Loading Dose in Advanced Lung Cancer
Condition: Lung Cancer
Intervention: Dietary Supplement: vitamin D
16 Completed
Has Results
Vitamin D Supplementation in Veterans With Early-Stage Prostate Cancer
Condition: Prostate Cancer
Interventions: Drug: vitamin D3;   Drug: Placebo daily for one year
17 Completed
Has Results
Modulation of Breast Cancer Risk Biomarkers by High Dose Vitamin D
Condition: Breast Cancer
Intervention: Drug: vitamin D3
18 Completed
Has Results
Study of Vitamin D for Premenopausal Women at High Risk for Breast Cancer
Condition: Breast Cancer
Intervention: Drug: Cholecalciferol
19 Terminated Vitamin D and Breast Cancer: Does Weight Make a Difference?
Condition: Breast Cancer
Intervention: Drug: Vitamin D3
20 Terminated
Has Results
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

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Study has passed its completion date and status has not been verified in more than two years.