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54 studies found for:    vitamin d | colon cancer
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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 Terminated Vitamin D Supplement in Preventing Colon Cancer in African Americans With Colon Polyps
Conditions: Colorectal Cancer;   Precancerous Condition
Interventions: Dietary Supplement: cholecalciferol;   Other: placebo
3 Recruiting Vitamin D and Screening Colonoscopy or Polyp Surveillance
Condition: Colon Cancer
Intervention: Other: Screening Colonoscopy
4 Withdrawn Cholecalciferol(25-[OH]-Vitamin D) in Treating Patients With Colorectal Cancer
Conditions: Mucinous Adenocarcinoma of the Colon;   Mucinous Adenocarcinoma of the Rectum;   Signet Ring Adenocarcinoma of the Colon;   Signet Ring Adenocarcinoma of the Rectum;   Stage I Colon Cancer;   Stage I Rectal Cancer
Interventions: Dietary Supplement: cholecalciferol;   Procedure: biopsy;   Genetic: protein expression analysis;   Other: enzyme-linked immunosorbent assay;   Other: laboratory biomarker analysis;   Genetic: reverse transcriptase-polymerase chain reaction
5 Completed Calcium and Vitamin D vs Markers of Adenomatous Polyps
Condition: Colorectal Adenomatous Polyps
Interventions: Dietary Supplement: Calcium and vitamin D3 combined;   Drug: Placebo;   Dietary Supplement: Calcium;   Dietary Supplement: Vitamin D3
6 Terminated
Has Results
High-Dose Cholecalciferol in Treating Patients Receiving Combination Chemotherapy and Bevacizumab as First-Line Therapy For Metastatic Colorectal Cancer
Conditions: Stage IV Colon Cancer;   Stage IV Rectal Cancer
Interventions: Drug: leucovorin calcium;   Biological: bevacizumab;   Dietary Supplement: cholecalciferol;   Drug: fluorouracil;   Drug: oxaliplatin;   Other: pharmacological study
7 Terminated Cholecalciferol and Calcium Carbonate in Treating Patients With Colon Cancer That Has Been Removed by Surgery
Condition: Colorectal Cancer
Interventions: Dietary Supplement: calcium carbonate;   Dietary Supplement: cholecalciferol;   Other: immunohistochemistry staining method;   Other: laboratory biomarker analysis;   Other: pharmacological study;   Procedure: biopsy
8 Completed DNA Changes That Affect Vitamin D Metabolism in Patients With Colorectal Cancer Receiving Vitamin D Supplements
Condition: Colorectal Cancer
Interventions: Dietary Supplement: cholecalciferol;   Genetic: polymerase chain reaction;   Genetic: polymorphism analysis;   Genetic: protein expression analysis;   Genetic: reverse transcriptase-polymerase chain reaction;   Genetic: western blotting;   Other: high performance liquid chromatography;   Other: laboratory biomarker analysis;   Other: pharmacological study;   Procedure: adjuvant therapy;   Procedure: immunoscintigraphy
9 Completed 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)
10 Recruiting High Dose Vitamin D Study
Condition: Colorectal Cancer
Intervention: Drug: Vitamin D
11 Completed Women's Health Initiative (WHI)
Conditions: Bone Diseases;   Breast Neoplasms;   Cardiovascular Diseases;   Colonic Neoplasms;   Coronary Disease;   Heart Diseases;   Myocardial Ischemia;   Osteoporosis;   Postmenopause
Interventions: Drug: hormone replacement therapy;   Drug: estrogens;   Drug: progestins;   Drug: estrogen replacement therapy;   Behavioral: diet, fat-restricted;   Drug: calcium;   Drug: vitamin D;   Behavioral: dietary supplements
12 Active, not recruiting Calcium/Vitamin D, Biomarkers & Colon Polyp Prevention
Condition: Colorectal Adenomatous Polyps
Interventions: Drug: Calcium;   Drug: Vitamin D3;   Drug: Calcium and vitamin D combined;   Other: Placebo
13 Active, not recruiting S0000D: Effect of Vitamin E and/or Selenium on Colorectal Polyps in Men Enrolled on SELECT Trial SWOG-S0000
Conditions: Colorectal Cancer;   Precancerous Condition
Interventions: Drug: Vitamin E;   Drug: Selenium;   Drug: Vitamin E placebo;   Drug: selenium placebo
14 Recruiting Study of Folic Acid, Calcium and Vitamin D in Preventing Colorectal Polyps and Colorectal Cancer
Condition: Colorectal Neoplasms
Interventions: Drug: folic acid;   Drug: folic acid  calcium  vitamin D3;   Drug: calcium
15 Recruiting Study of Vitamin D in Untreated Metastatic Colorectal Cancer
Condition: Metastatic Colorectal Cancer
Interventions: Drug: FOLFOX + bevacizumab;   Dietary Supplement: Vitamin D
16 Completed Efficacy of Vitamin D in Colorectal Cancer Chemoprevention
Condition: Colorectal Cancer
Interventions: Drug: Vitamin D3 (cholecalciferol);   Drug: Placebo
17 Active, not recruiting Vitamin D/Calcium Polyp Prevention Study
Conditions: Colorectal Cancer;   Polyps;   Adenomas
Interventions: Drug: Calcium Carbonate;   Drug: Vitamin D3;   Drug: placebo
18 Completed Effect of Vitamin D and Calcium on Genes in the Colon
Conditions: Colorectal Polyps;   Colorectal Adenoma;   Adenocarcinoma
Interventions: Drug: placebo and Calcitriol;   Drug: Calcium and Calcitriol
19 Active, not recruiting Oxaliplatin, Leucovorin Calcium, and Fluorouracil With or Without Bevacizumab in Treating Patients Who Have Undergone Surgery for Stage II Colon Cancer
Conditions: Colon Mucinous Adenocarcinoma;   Colon Signet Ring Cell Adenocarcinoma;   Lynch Syndrome;   Stage IIA Colon Cancer;   Stage IIB Colon Cancer;   Stage IIC Colon Cancer
Interventions: Drug: Oxaliplatin;   Drug: Leucovorin Calcium;   Drug: Fluorouracil;   Biological: Bevacizumab;   Other: Laboratory Biomarker Analysis
20 Recruiting The Molecular Predisposition to Hereditary Nonpolyposis Colon Cancer (HNPCC)
Conditions: Bladder Cancer;   Colorectal Cancer;   Endometrial Cancer;   Kidney Cancer;   Skin Cancer;   Uterus Cancer
Intervention: Behavioral: Health and Diet Questionnaire

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