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96 studies found for:    vitamin d | colon 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 Vitamin D and Screening Colonoscopy or Polyp Surveillance
Condition: Colon Cancer
Intervention: Other: Screening Colonoscopy
3 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
4 Recruiting Effectiveness of High Dose Vitamin D Supplementation in Stage III Colorectal Cancer
Conditions: Colon Cancer;   Rectal Cancer
Intervention: Dietary Supplement: cholecalciferol
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7 Withdrawn Cholecalciferol(25-[OH]-Vitamin D) in Treating Patients With Colorectal Cancer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
8 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
9 Completed High Dose Vitamin D Study
Condition: Colorectal Cancer
Intervention: Drug: Vitamin D
10 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
11 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)
12 Completed Study of Biomarkers in Blood & Tissue Samples From Patients With Colorectal Cancer or Polyps & Patients Without Polyps
Conditions: Colorectal Cancer;   Healthy, no Evidence of Disease;   Precancerous Condition
Interventions: Genetic: gene expression analysis;   Genetic: polymerase chain reaction;   Genetic: polymorphism analysis;   Genetic: protein expression analysis;   Genetic: proteomic profiling;   Other: gas chromatography;   Other: laboratory biomarker analysis;   Other: liquid chromatography;   Other: mass spectrometry;   Other: questionnaire administration
13 Completed
Has Results
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 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
15 Completed Impact on Cognitive Function and Quality of Life of Adjuvant Chemotherapy in Patients Aged Over 65 Years: Application to Breast Cancer or Colon
Condition: Breast Cancer
16 Completed Calcium/Vitamin D, Biomarkers & Colon Polyp Prevention
Condition: Colorectal Adenomatous Polyps
Interventions: Procedure: Rectal biopsy during colonoscopy;   Procedure: Rectal biopsy at randomization;   Procedure: Rectal biopsy at 1 year;   Procedure: Rectal biopsy prior to colonoscopy;   Procedure: Biopsies during colonoscopy
17 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
18 Active, not recruiting Study of Vitamin D in Untreated Metastatic Colorectal Cancer
Condition: Metastatic Colorectal Cancer
Interventions: Drug: FOLFOX + bevacizumab;   Dietary Supplement: Vitamin D
19 Completed
Has Results
Comparison of Combination Chemotherapy Regimens With or Without Cetuximab in Treating Patients Who Have Undergone Surgery For Stage III Colon Cancer
Conditions: Adenocarcinoma of the Colon;   Stage III Colon Cancer
Interventions: Drug: irinotecan hydrochloride;   Drug: oxaliplatin;   Drug: leucovorin calcium;   Drug: fluorouracil;   Biological: cetuximab;   Drug: Locally Directed Therapy
20 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

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