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Calciferol

Calciferol

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  • Wheezing in Black Preterm Infants: Impact of Vitamin D Supplementation Strategy

    Conditions:   Wheezing;   Allergy
    Interventions:   Dietary Supplement: Cholecalciferol;   Drug: Cholecalciferol
    Sponsors:   Case Western Reserve University;   Case Western Reserve University;   National Heart, Lung, and Blood Institute (NHLBI);   NIH Office of Dietary Supplements
    Not yet recruiting - verified May 2012
  • Vitamin D Supplementation for Extremely Preterm Infants

    Conditions:   Vitamin D Deficiency;   Preterm Infants;   Bronchopulmonary Dysplasia
    Interventions:   Dietary Supplement: Cholecalciferol;   Dietary Supplement: Cholecalciferol;   Dietary Supplement: Placebo
    Sponsors:   University of Alabama at Birmingham;   University of Alabama at Birmingham;   Children's Health System, Alabama
    Not yet recruiting - verified May 2012
  • How Does Magnesium Status Influence Calcium Homeostasis?

    Conditions:   Magnesium Deficiency;   Calcium Metabolism Disorders
    Intervention:   Dietary Supplement: vitamin D3
    Sponsors:   University of Wisconsin, Madison;   University of Wisconsin, Madison;   National Institutes of Health (NIH);   National Institute on Aging (NIA)
    Recruiting - verified May 2012
  • Testosterone Pellets Plus Vitamin D and E Versus Vitamin D and E Alone for the Treatment of Peyronie's Disease

    Condition:   Peyronie's Disease
    Interventions:   Drug: Vitamin D2;   Drug: Vitamin E;   Drug: Testosterone Pellets
    Sponsors:   Men's Health Boston;   Men's Health Boston
    Recruiting - verified April 2012
  • The Effect of Vitamin D Repletion in Patients With Hepatocellular Carcinoma on the Orthotopic Liver Transplant List

    Conditions:   Vitamin D Deficiency;   Hepatocellular Carcinoma
    Interventions:   Drug: Vitamin D3 4000 IU;   Drug: Vitamin D3 2000 IU
    Sponsors:   Mount Sinai School of Medicine;   Andrea Branch
    Recruiting - verified April 2012
  • Vitamin D Supplementation in Overweight/Obese African American Adults and Youth (D-SUNNY)

    Condition:   Vitamin D Deficiency
    Intervention:   Dietary Supplement: Cholecalciferol
    Sponsors:   Georgia Health Sciences University;   Georgia Health Sciences University
    Recruiting - verified April 2012
  • Is Treatment of Vitamin D Deficiency Associated With Resolution of Statin-Induced Muscular Symptoms

    Condition:   Myopathic Symptoms
    Interventions:   Drug: Ergocalciferol;   Drug: Placebo
    Sponsors:   Cedars-Sinai Medical Center;   Cedars-Sinai Medical Center
    Recruiting - verified March 2012
  • To Evaluate the Safety, Tolerability and Efficacy of Calcipotriene Foam, 0.005%, Versus Vehicle Foam in Pediatric Subjects (Ages 2-11) With Plaque Psoriasis

    Condition:   Psoriasis
    Interventions:   Drug: STF 115469 Foam;   Drug: Vehicle Foam
    Sponsors:   GlaxoSmithKline;   GlaxoSmithKline
    Not yet recruiting - verified May 2012
  • Optimizing Vitamin D in the Elderly

    Condition:   Deficiency of Vitamin D3
    Interventions:   Dietary Supplement: D3 2000 IU/day;   Dietary Supplement: D3 4000 IU/day;   Dietary Supplement: vitamin D3 weekly;   Dietary Supplement: vitamin D3 800 IU/day
    Sponsors:   Jewish Home, San Francisco;   Jewish Home, San Francisco;   University of California, San Francisco
    Not yet recruiting - verified March 2012
  • Metabolic Syndrome and Insulin Resistance at Allina

    Condition:   Metabolic Syndrome
    Intervention:   Dietary Supplement: vitamin D3 (cholecalciferol)
    Sponsors:   Allina Health System;   Allina Health System
    Recruiting - verified March 2012
  • Impact of Vitamin D Supplementation on Cardiometabolic Risk Factors [The Daily D Health Study]

    Condition:   Vitamin D Deficiency
    Interventions:   Dietary Supplement: Vitamin D3;   Dietary Supplement: Vitamin D3
    Sponsors:   Tufts University;   Tufts University;   Office of Dietary Supplements (ODS);   National Heart, Lung, and Blood Institute (NHLBI);   Boston University;   Children's Hospital Boston
    Recruiting - verified February 2012
  • Vitamin D as a Modifier of Serum Hepcidin in Children With Chronic Kidney Disease

    Condition:   Anemia of Chronic Kidney Disease
    Intervention:   Drug: Cholecalciferol
    Sponsors:   Johns Hopkins University;   Johns Hopkins University;   National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
    Not yet recruiting - verified February 2012
  • Open Label Clinical Trial of Vitamin D in Children With Autism

    Conditions:   Autism;   Vitamin D Deficiency
    Intervention:   Drug: Liquid Vitamin D
    Sponsors:   University of California, San Francisco;   University of California, San Francisco
    Recruiting - verified February 2012
  • Vitamin D Supplementation in HIV Youth

    Condition:   HIV+
    Interventions:   Drug: Vitamin D3;   Drug: Vitamin D3
    Sponsors:   University Hospitals of Cleveland;   University Hospitals of Cleveland;   Emory University
    Recruiting - verified January 2012
  • The Effect of Vitamin D Supplementation on Muscle Power in Elite Cyclist

    Condition:   Muscle Power
    Interventions:   Dietary Supplement: Vitamin D;   Dietary Supplement: Placebo
    Sponsors:   Oklahoma State University;   Oklahoma State University;   Mid America Athletic Trainers Association
    Recruiting - verified January 2012
  • A Pilot Study of the Effect of Dietary Fat Type and Amount on Vitamin D3 Absorption

    Condition:   Vitamin D Deficiency
    Interventions:   Dietary Supplement: cholecalciferol;   Dietary Supplement: cholecalciferol;   Dietary Supplement: cholecalciferol;   Dietary Supplement: cholecalciferol
    Sponsors:   Tufts University;   Tufts University;   Pfizer
    Recruiting - verified May 2012
  • Vitamin D3 Supplementation Pilot Study

    Condition:   Vitamin D Deficiency
    Interventions:   Dietary Supplement: Cholecalciferol;   Dietary Supplement: Cholecalciferol
    Sponsors:   Children's Hospital of Philadelphia;   Children's Hospital of Philadelphia
    Recruiting - verified May 2012
  • Study of Vitamin D in Untreated Metastatic Colorectal Cancer

    Condition:   Metastatic Colorectal Cancer
    Interventions:   Drug: FOLFOX + bevacizumab;   Dietary Supplement: Vitamin D;   Dietary Supplement: Vitamin D
    Sponsors:   Dana-Farber Cancer Institute;   Dana-Farber Cancer Institute
    Recruiting - verified April 2012
  • Vitamin D Status, Disease Specific and Quality of Life Outcomes in Patients With Cutaneous Lupus

    Condition:   Cutaneous Lupus Erythematosus
    Intervention:   Dietary Supplement: vitamin D
    Sponsors:   Emory University;   Emory University;   Dermatology Foundation
    Recruiting - verified January 2012
  • Vitamin D3 Effects on Musculoskeletal Symptoms With Use of Aromatase Inhibitors

    Conditions:   Muscle Pain;   Joint Pain
    Interventions:   Drug: Vitamin D3;   Drug: Vitamin D3
    Sponsors:   Park Nicollet Institute;   Park Nicollet Institute;   University of Minnesota - Clinical and Translational Science Institute;   University of Southern California
    Recruiting - verified December 2011
  • Bioavailability and Biological Effects of Vitamin D2 Contained in Mushroom

    Conditions:   Vitamin D Deficiency;   Metabolic Syndrome;   Prediabetes
    Interventions:   Dietary Supplement: Mushroom fortified with 600 IU of vitamin D2;   Dietary Supplement: Mushroom fortified with 4000 IU of vitamin D2;   Dietary Supplement: Commercially available Vitamin D3 (600 IU) supplement;   Dietary Supplement: Commercially available Vitamin D3 (4000 IU) supplement
    Sponsors:   Mount Sinai School of Medicine;   Mount Sinai School of Medicine
    Recruiting - verified December 2011
  • Vitamin D Supplementation in Multiple Sclerosis

    Condition:   Relapsing Remitting Multiple Sclerosis
    Intervention:   Drug: Vitamin D3
    Sponsors:   Johns Hopkins University;   Johns Hopkins University;   Virginia Mason Hospital/Medical Center;   Oregon Health and Science University;   University of California, San Francisco;   Washington University School of Medicine;   Mount Sinai School of Medicine;   University of Pennsylvania
    Recruiting - verified April 2012
  • Sunweavers: Supporting Native American Women's Vitamin D Research

    Conditions:   Vitamin D Deficiency;   Cardiovascular Diseases
    Intervention:   Dietary Supplement: Vitamin D3
    Sponsors:   University of Wisconsin, Madison;   University of Wisconsin, Madison
    Recruiting - verified December 2011
  • Pilot Trial to Evaluate the Effect of Vitamin D on Melanocyte Biomarkers

    Condition:   Melanoma, Skin
    Interventions:   Drug: Vitamin D3;   Drug: Vitamin D3
    Sponsors:   Stanford University;   Stanford University;   National Institutes of Health (NIH)
    Not yet recruiting - verified November 2011
  • Vitamin D and Breast Cancer in Obesity: Therapeutic Trials

    Condition:   Breast Cancer
    Interventions:   Drug: Vitamin D3;   Drug: Vitamin D3
    Sponsors:   Stanford University;   Robert Carlson
    Recruiting - verified December 2011
  • Vitamin D Augmentation of Tekturna (Aliskiren) in Hypertension

    Condition:   Hypertension
    Interventions:   Dietary Supplement: Vitamin D (cholecalciferol);   Drug: Tekturna(Aliskiren) plus placebo
    Sponsors:   Wayne State University;   Wayne State University;   Novartis
    Recruiting - verified November 2011
  • Serum 25(OH)D Levels, Supplemental Vitamin D, and Parathyroid Hormone Levels in Premature Infants

    Condition:   Premature Infants
    Interventions:   Dietary Supplement: cholecalciferal;   Dietary Supplement: cholecalciferol
    Sponsors:   University of Nebraska;   University of Nebraska
    Not yet recruiting - verified November 2011
  • Vitamin D Supplementation on 15-Prostaglandin Dehydrogenase Expression in Barrett's Esophagus

    Conditions:   Short Segment Barrett's Esophagus;   Long Segment Barrett's Esophagus
    Interventions:   Drug: Omeprazole;   Drug: Vitamin D3;   Drug: Vitamin D3;   Procedure: upper endoscopy
    Sponsors:   Case Comprehensive Cancer Center;   Case Comprehensive Cancer Center
    Recruiting - verified May 2012
  • Vitamin D and Adipose Tissue Inflammation

    Conditions:   Vitamin D Deficiency;   Obesity;   Type 2 Diabetes Mellitus
    Intervention:   Dietary Supplement: Vitamin D3
    Sponsors:   Fred Hutchinson Cancer Research Center;   Fred Hutchinson Cancer Research Center;   University of Washington
    Recruiting - verified May 2012
  • Improving the Understanding of the Response to Vitamin D Supplementation

    Condition:   Vitamin D Deficiency
    Interventions:   Dietary Supplement: cholecalciferol;   Dietary Supplement: Placebo
    Sponsors:   University of Wisconsin, Madison;   University of Wisconsin, Madison;   Merck
    Not yet recruiting - verified November 2011
  • Study to Assess Prevention of Oxaliplatin-induced Neurotoxicity Through Vitamin D Pathway

    Condition:   Neurotoxicity
    Intervention:   Drug: Vitamin D3
    Sponsors:   West Virginia University;   Gerald Higa, PharmD.
    Recruiting - verified December 2011
  • Oral Nutrition Impact on Tear Film

    Condition:   Dry Eye Syndrome
    Intervention:   Dietary Supplement: Omega 3, Vitamins A, D3 and E
    Sponsors:   Eye and Vision Technologies and Research Institute;   Eye and Vision Technologies and Research Institute;   ZeaVision, Inc.
    Recruiting - verified March 2012
  • Vitamin D and Sexual Health

    Condition:   Bacterial Vaginosis
    Interventions:   Dietary Supplement: Vitamin D3 (cholecalciferol);   Dietary Supplement: Placebo
    Sponsors:   Ohio State University;   Ohio State University
    Recruiting - verified October 2011
  • Vitamin D Levels in the Skin of Healthy Subjects After Oral Supplementation

    Conditions:   Healthy, no Evidence of Disease;   Non-melanomatous Skin Cancer
    Interventions:   Dietary Supplement: cholecalciferol;   Genetic: gene expression analysis;   Other: laboratory biomarker analysis
    Sponsors:   National Cancer Institute (NCI);   University of Arizona;   National Cancer Institute (NCI)
    Recruiting - verified December 2011
  • Vitamin D for Sickle-cell Respiratory Complications

    Conditions:   Sickle Cell Disease;   Vitamin D Deficiency;   Acute Chest Syndrome;   Asthma;   Respiratory Infections
    Interventions:   Drug: Vitamin D3;   Drug: Vitamin D3
    Sponsors:   Columbia University;   Columbia University
    Recruiting - verified January 2012
  • Vitamin and Asthma Study

    Condition:   Asthma
    Intervention:   Drug: Vitamin D
    Sponsors:   Georgia Health Sciences University;   Georgia Health Sciences University
    Recruiting - verified October 2011
  • Vitamin D Supplementation in HIV

    Condition:   HIV-infection/Aids
    Interventions:   Dietary Supplement: Vitamin D3;   Dietary Supplement: Placebo
    Sponsors:   Children's Hospital of Philadelphia;   Children's Hospital of Philadelphia;   National Institutes of Health (NIH);   National Center for Complementary and Alternative Medicine (NCCAM)
    Recruiting - verified November 2011
  • Vitamin D for Enhancing the Immune System in Cystic Fibrosis (DISC Study)

    Conditions:   Cystic Fibrosis;   Respiratory Tract Infections
    Intervention:   Dietary Supplement: Cholecalciferol
    Sponsors:   Emory University;   Emory University;   Cystic Fibrosis Foundation
    Not yet recruiting - verified August 2011
  • Effects of Vitamin D on Renal Blood Flow, Proteinuria and Inflammation in Patients With Chronic Kidney Disease

    Conditions:   Chronic Kidney Disease;   Secondary Hyperparathyroidism
    Intervention:   Drug: Contrast Enhanced Ultrasonography
    Sponsors:   University of Virginia;   University of Virginia
    Recruiting - verified January 2012
  • Effects of Vitamin D Supplementation During Pregnancy on Clinical Outcomes and Immune Function

    Condition:   Vitamin D Deficiency
    Interventions:   Dietary Supplement: 400 IU vitamin D3;   Dietary Supplement: 2,000 IU Vitamin D3
    Sponsors:   USDA, Western Human Nutrition Research Center;   USDA, Western Human Nutrition Research Center;   University of California, Davis
    Recruiting - verified April 2012
  • Vitamin D and Physical Activity on Bone Health

    Conditions:   Bone Metabolism Biomarkers;   Bone Mineral Density;   Physical Fitness
    Interventions:   Drug: Vitamin D3;   Behavioral: Home-Based Exercise
    Sponsors:   University of Rochester;   University of Rochester
    Not yet recruiting - verified August 2011
  • The Effect of Vitamin D Supplementation on Cardiovascular Risk Factors Among Hispanics and African Americans With Type 2 Diabetes Mellitus

    Condition:   Type 2 Diabetes
    Intervention:   Drug: Cholecalciferol
    Sponsors:   Florida International University;   Florida International University
    Recruiting - verified August 2011
  • Effect of Vitamin D Supplementation on In-vitro Fertilization (IVF) Outcomes

    Conditions:   Infertility;   Vitamin D Deficiency
    Intervention:  
    Sponsors:   Northwestern University;   Northwestern University
    Recruiting - verified February 2012
  • 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
    Sponsors:   Case Comprehensive Cancer Center;   Case Comprehensive Cancer Center;   National Cancer Institute (NCI)
    Recruiting - verified April 2012
  • High Dose Vitamin D and Calcium for Bone Health in Individuals Initiating HAART

    Condition:   HIV-1 Infection
    Interventions:   Drug: Atripla;   Drug: Calcium Carbonate;   Drug: Vitamin D3;   Drug: Placebo for calcium carbonate;   Drug: Placebo for vitamin D3
    Sponsors:   AIDS Clinical Trials Group;   AIDS Clinical Trials Group;   National Institute of Allergy and Infectious Diseases (NIAID)
    Recruiting - verified February 2012
  • Vit D and HIV-CVD in Children and Young Adults Vitamin D and HIV-CVD in Children and Young Adults

    Condition:   Vitamin D Deficiency
    Intervention:  
    Sponsors:   University Hospitals of Cleveland;   University Hospitals of Cleveland;   Emory-Children's Center
    Recruiting - verified February 2012
  • Safety and Effects of Supplementation With Ergocalciferol on Erythropoietin Dosing in Hemodialysis Patients

    Condition:   End Stage Renal Disease
    Interventions:   Dietary Supplement: ergocalciferol supplementation;   Other: placebo
    Sponsors:   Dialysis Clinic, Inc.;   Dialysis Clinic, Inc.
    Recruiting - verified April 2012
  • Vitamin D and Functional Outcomes After Total Hip Arthroplasty (THA)

    Condition:   Vitamin D Deficiency
    Intervention:  
    Sponsors:   Hospital for Special Surgery, New York;   Hospital for Special Surgery, New York
    Recruiting - verified July 2011
  • Efficacy of Vitamin D Supplementation in Bariatric Surgery Patients

    Conditions:   Obesity;   Vitamin D Deficiency
    Intervention:   Dietary Supplement: Vitamin D3 and Calcium
    Sponsors:   The Methodist Hospital System;   The Methodist Hospital System;   Texas Woman's University
    Not yet recruiting - verified July 2011
  • Vitamin D and Arterial Function in Patients With Chronic Kidney Disease

    Conditions:   Arterial Dysfunction;   Chronic Kidney Disease
    Interventions:   Drug: Cholecalciferol;   Drug: Calcitriol
    Sponsors:   University of Colorado, Denver;   University of Colorado, Denver;   National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
    Recruiting - verified January 2012
  • Assessment of Vitamin D Supplementation and Immune Function

    Condition:   Vitamin D Deficiency
    Interventions:   Dietary Supplement: Vitamin D - Treatment 1;   Dietary Supplement: Vitamin D - Treatment 2;   Dietary Supplement: Vitamin D - Treatment 3
    Sponsors:   USDA, Western Human Nutrition Research Center;   USDA, Western Human Nutrition Research Center
    Recruiting - verified April 2012
  • Vitamin D HIV Study

    Condition:   HIV
    Interventions:   Drug: Vitamin D3;   Drug: Placebo
    Sponsors:   Columbia University;   Columbia University;   National Institute of Allergy and Infectious Diseases (NIAID)
    Recruiting - verified January 2012
  • A Study to Evaluate the Safety of Paricalcitol Capsules in Pediatric Subjects Ages 10 to 16 With Stage 5 Chronic Kidney Disease Receiving Peritoneal Dialysis

    Conditions:   Secondary Hyperparathyroidism;   End-Stage Renal Disease
    Intervention:   Drug: Paricalcitol
    Sponsors:   Abbott;   Abbott
    Recruiting - verified May 2012
  • High-Dose Vitamin D and Antimicrobial Peptide Expression in Lung Failure

    Condition:   Vitamin D3
    Interventions:   Dietary Supplement: Enteral Vitamin D3 50,000 IU;   Dietary Supplement: Enteral Vitamin D3 100,000IU;   Dietary Supplement: Inactive substance
    Sponsors:   Emory University;   Emory University;   National Heart, Lung, and Blood Institute (NHLBI)
    Not yet recruiting - verified June 2011
  • D Vitamin Intervention in VA

    Conditions:   Impaired Fasting Glucose;   Impaired Glucose Tolerance
    Intervention:   Drug: Vitamin D
    Sponsors:   Department of Veterans Affairs;   Department of Veterans Affairs
    Recruiting - verified March 2012
  • Vitamin D to Prevent Autism in Newborn Siblings

    Condition:   Autistic Disorder
    Intervention:   Drug: Vitamin D3
    Sponsors:   Oregon Health and Science University;   Oregon Health and Science University;   Autism Speaks
    Not yet recruiting - verified May 2011
  • The Role of Vitamin D in Chronic Urticaria and Angioedema Treatment

    Conditions:   Urticaria;   Angioedema;   Hives;   Swelling
    Interventions:   Drug: Vitamin D;   Drug: Vitamin D
    Sponsors:   University of Nebraska;   University of Nebraska
    Not yet recruiting - verified June 2011
  • Vitamin D Therapy to Reduce Cardiac Damage Among Vulnerable Hypertensive Patients

    Conditions:   Hypertension;   Left Ventricular Hypertrophy
    Interventions:   Dietary Supplement: cholecalciferol (Vitamin D);   Dietary Supplement: Placebo
    Sponsors:   Wayne State University;   Wayne State University;   National Center on Minority Health and Health Disparities (NCMHD)
    Recruiting - verified January 2012
  • Vitamin D and Fish Oil for Autoimmune Disease, Inflammation and Knee Pain

    Conditions:   Autoimmune Diseases;   Systemic Inflammatory Process;   Knee Pain Chronic;   Osteoarthritis;   Rheumatoid Arthritis
    Interventions:   Drug: Fish Oil;   Drug: Vitamin D;   Other: placebo pill
    Sponsors:   Brigham and Women's Hospital;   Brigham and Women's Hospital;   National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
    Recruiting - verified May 2012
  • Changes in Breast Cancer Biomarkers Using Synergistic Prostaglandin Inhibitors

    Condition:   Breast Cancer
    Interventions:   Drug: Celecoxib;   Drug: Placebo;   Drug: Cholecalciferol
    Sponsors:   University of North Dakota;   University of North Dakota;   Department of Defense
    Recruiting - verified August 2011
  • Identifying Vitamin D Deficiency in Very Low Birth Weight Infant (VLBW) Infants Part 2

    Conditions:   Infant, Very Low Birth Weight;   Calcium Deficiency;   Vitamin D Deficiency
    Intervention:   Dietary Supplement: 400 IU Cholecalciferol- Vitamin D Daily
    Sponsors:   Medical University of South Carolina;   Medical University of South Carolina;   National Center for Research Resources (NCRR)
    Recruiting - verified November 2011
  • Vitamin D and Glucose Metabolism in Pediatrics

    Conditions:   Insulin Resistance;   Obesity;   Vitamin D25 Insufficiency
    Interventions:   Drug: Vitamin D drops;   Drug: Placebo drops
    Sponsors:   Weill Medical College of Cornell University;   Weill Medical College of Cornell University
    Recruiting - verified June 2011
  • Primary Hyperparathyroidism (PHPT): Early Effect of Vitamin D

    Conditions:   Primary Hyperparathyroidism;   Hypercalcemia;   Vitamin D Deficiency;   Osteoporosis;   Osteopenia
    Interventions:   Dietary Supplement: Placebo;   Dietary Supplement: Vitamin D3
    Sponsors:   Columbia University;   Columbia University;   National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
    Recruiting - verified October 2011
  • African American Children, Glycemic Control, and Type 2 Diabetes

    Conditions:   Type 2 Diabetes;   Vitamin D Deficiency
    Interventions:   Drug: Vitamin D2;   Drug: Sugar pill
    Sponsors:   University of Alabama at Birmingham;   Ambika Ashraf, M.D.
    Recruiting - verified April 2012
  • Study of Cholecalciferol and Daily Genistein (G-2535) Versus Placebo in Men With Early Stage Prostate Cancer

    Condition:   Prostate Cancer
    Interventions:   Dietary Supplement: Vitamin D and Genistein;   Other: Placebo
    Sponsors:   University of Wisconsin, Madison;   University of Wisconsin, Madison;   University of Alabama at Birmingham;   University of Rochester;   University of Minnesota - Clinical and Translational Science Institute;   Lahey Clinic;   Urology San Antonio
    Recruiting - verified January 2012
  • Study of Vitamin D and Uric Acid Lowering on Kidney and Blood Vessel Function

    Conditions:   Renal Function;   Endothelial Function;   Blood Pressure;   Overweight;   Obesity
    Interventions:   Drug: Vitamin D ergocalciferol;   Drug: Probenecid;   Drug: Allopurinol;   Drug: Placebo;   Drug: Placebo
    Sponsors:   Brigham and Women's Hospital;   Brigham and Women's Hospital;   National Heart, Lung, and Blood Institute (NHLBI)
    Recruiting - verified January 2012
  • Sustainability of Vitamin D Levels After Repletion With Ergocalciferol In Chronic Kidney Disease Stage 5D

    Conditions:   Vitamin D Deficiency;   Renal Failure Chronic Requiring Hemodialysis
    Interventions:   Drug: Ergocalciferol;   Drug: Placebo
    Sponsors:   Albany College of Pharmacy and Health Sciences;   Albany College of Pharmacy and Health Sciences;   Department of Veterans Affairs;   Hortense and Louis Rubin Dialysis Centers;   Satellite Healthcare
    Recruiting - verified December 2011
  • Nutrition and Body Composition in Acute Lymphoblastic Leukemia

    Conditions:   Precursor Cell Lymphoblastic Leukemia-Lymphoma;   Vitamin D Deficiency
    Interventions:   Dietary Supplement: Vitamin D and Calcium Citrate;   Dietary Supplement: Placebo
    Sponsors:   Children's Hospital Los Angeles;   Children's Hospital Los Angeles;   The Leukemia and Lymphoma Society
    Recruiting - verified September 2011
  • Vitamin D Repletion in Primary Hyperparathyroidism

    Conditions:   Primary Hyperparathyroidism;   Vitamin D Deficiency
    Interventions:   Dietary Supplement: 50,000 IU Vitamin D3;   Dietary Supplement: 12,000 IU Vitamin D3;   Dietary Supplement: Placebo
    Sponsors:   Columbia University;   Columbia University;   National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
    Not yet recruiting - verified October 2011
  • Vitamin D Supplements for HIV-positive Patients on cART

    Condition:   HIV-associated Co-morbidities
    Interventions:   Dietary Supplement: conventional vitamin D treatment versus a tiered/titrated dosing strategy;   Drug: tiered/titrated vitamin D treatment
    Sponsors:   Mount Sinai School of Medicine;   Andrea D. Branch;   National Institute on Drug Abuse (NIDA)
    Recruiting - verified January 2012
  • Feasibility and Effectiveness of Micronutrients as Palliative Care Therapy in Patients With Congestive Heart Failure

    Conditions:   Congestive Heart Failure;   Ischemic Cardiomyopathy
    Intervention:   Dietary Supplement: Micronutrients
    Sponsors:   Phoenix VA Health Care System;   Phoenix VA Health Care System
    Recruiting - verified November 2011
  • Study of Vitamin D in Children With Sickle Cell Disease

    Condition:   Sickle Cell Disease
    Intervention:   Drug: Vitamin D3
    Sponsors:   Columbia University;   Columbia University
    Recruiting - verified January 2012
  • Vitamin D Deficiency in Subjects With Chronic Hepatitis C Compared to Healthy Volunteers

    Condition:   Chronic Hepatitis C
    Intervention:  
    Sponsors:   Avera McKennan Hospital & University Health Center;   Avera McKennan Hospital & University Health Center
    Recruiting - verified January 2011
  • Effect of Vitamin D Replacement on Insulin Sensitivity

    Condition:   Insulin Sensitivity
    Interventions:   Drug: Ergocalciferols;   Drug: Placebo
    Sponsors:   Texas Tech University Health Sciences Center;   Texas Tech University Health Sciences Center
    Recruiting - verified December 2010
  • Study of the Effect of Vitamin D as an Add-on Therapy to Corticosteroids in Asthma

    Condition:   Asthma
    Interventions:   Drug: Vitamin D3;   Drug: Ciclesonide
    Sponsors:   Milton S. Hershey Medical Center;   Milton S. Hershey Medical Center;   National Heart, Lung, and Blood Institute (NHLBI)
    Recruiting - verified March 2012
  • DAYLIGHT: Vitamin D Therapy in Individuals at High Risk of Hypertension

    Conditions:   Hypertension;   Vitamin D Deficiency;   Pre-Hypertension
    Intervention:   Dietary Supplement: vitamin D3 (cholecalciferol)
    Sponsors:   Massachusetts General Hospital;   Massachusetts General Hospital;   DiaSorin Inc
    Recruiting - verified January 2012
  • Vitamin D Supplementation for Treatment of Heart Failure

    Condition:   Heart Failure
    Interventions:   Drug: Vitamin D3;   Drug: Placebo
    Sponsors:   University of Michigan;   University of Michigan
    Recruiting - verified March 2012
  • Vitamin D Supplementation on Physical and Cognitive Function-Pilot Study

    Conditions:   Renal Dialysis;   Vitamin D Deficiency
    Intervention:   Dietary Supplement: Ergocalciferol (Vitamin D)
    Sponsors:   Department of Veterans Affairs;   Department of Veterans Affairs
    Recruiting - verified March 2012
  • Vitamin D and Breast Cancer Biomarkers in Female Patients

    Condition:   Breast Cancer
    Interventions:   Dietary Supplement: vitamin D;   Other: placebo
    Sponsors:   National Cancer Institute (NCI);   Cancer and Leukemia Group B;   National Cancer Institute (NCI)
    Recruiting - verified May 2012
  • Impact of Vitamin D on Diabetic Kidney Disease in African Americans

    Condition:   Diabetic Kidney Disease
    Interventions:   Drug: Vitamin D3;   Drug: Vitamin D3
    Sponsors:   Medical University of South Carolina;   Medical University of South Carolina
    Recruiting - verified October 2010
  • Statin/Vitamin D & Migraine Study

    Condition:   Migraine
    Interventions:   Drug: Simvastatin;   Dietary Supplement: Vitamin D;   Other: Placebo
    Sponsors:   Beth Israel Deaconess Medical Center;   Rami Burstein
    Recruiting - verified January 2012
  • Paricalcitol, Fluorouracil, and Radiation Therapy in Treating Patients With Rectal Cancer That Can Be Removed in Surgery

    Conditions:   Mucinous Adenocarcinoma of the Rectum;   Stage IIA Rectal Cancer;   Stage IIB Rectal Cancer;   Stage IIC Rectal Cancer;   Stage IIIB Rectal Cancer;   Stage IIIC Rectal Cancer
    Interventions:   Drug: paricalcitol;   Radiation: radiation therapy;   Other: laboratory biomarker analysis;   Drug: fluorouracil
    Sponsors:   Comprehensive Cancer Center of Wake Forest University;   Comprehensive Cancer Center of Wake Forest University;   National Cancer Institute (NCI)
    Recruiting - verified April 2012
  • Vitamin D Deficiency in Adolescent Girls

    Conditions:   Healthy;   Vitamin D Deficiency
    Interventions:   Dietary Supplement: ergocalciferol;   Other: placebo pill
    Sponsors:   Massachusetts General Hospital;   Massachusetts General Hospital
    Recruiting - verified April 2012
  • Impact of Vitamin D Repletion in Hemodialysis Patients

    Conditions:   Vitamin D Deficiency;   End-stage Renal Disease
    Intervention:   Drug: Cholecalciferol
    Sponsors:   Heeger, Peter, M.D.;   Heeger, Peter, M.D.;   National Kidney Foundation
    Recruiting - verified June 2011
  • Vitamin D Supplement Study for Stage Three and Four Chronic Kidney Disease (CKD) Patients

    Condition:   Chronic Kidney Disease Stage 3 and 4
    Interventions:   Drug: Ergocalciferol;   Drug: Cholecalciferol
    Sponsors:   The Cleveland Clinic;   The Cleveland Clinic
    Recruiting - verified January 2012
  • Study of Vitamin D in the Severely Mentally Ill

    Conditions:   Schizophrenia;   Schizoaffective Disorder
    Interventions:   Dietary Supplement: Vitamin D3;   Dietary Supplement: Vitamin D3
    Sponsors:   Bronx Psychiatric Center;   Bronx Psychiatric Center
    Recruiting - verified April 2012
  • Vitamin D in Vulnerable Adults (VIVA-VA)

    Conditions:   Frail Elderly;   Vitamin d Deficiency
    Interventions:   Dietary Supplement: vitamin D;   Dietary Supplement: placebo
    Sponsors:   Department of Veterans Affairs;   Department of Veterans Affairs
    Recruiting - verified March 2012
  • The Use of Teriparatide as an Adjunctive Therapy for the Treatment of Jones Fractures

    Condition:   Fractures
    Interventions:   Drug: Teriparatide;   Drug: Placebo
    Sponsors:   Ohio Orthopedic Center of Excellence;   Ohio Orthopedic Center of Excellence;   Eli Lilly and Company
    Recruiting - verified July 2011
  • Trial Of Paricalcitol and Cholecalciferol(Vitamin D3) in the Treatment Of Secondary Hyperparathyroidism in Patients After ROUX-EN-Y Gastric Bypass Surgery

    Conditions:   Gastric Bypass;   Parathyroid Hormone
    Interventions:   Drug: Paricalcitol;   Drug: Cholecalciferol;   Drug: Placebo
    Sponsors:   William Beaumont Hospitals;   William Beaumont Hospitals;   Abbott
    Recruiting - verified September 2011
  • Study to Evaluate Safety of Vitamin D Receptor Activators in Patients Ages 0 to 16 With Chronic Kidney Disease Stage 5 Receiving Peritoneal Dialysis Within Current Clinical Practice

    Conditions:   Secondary Hyperparathyroidism;   End-Stage Renal Disease
    Interventions:   Drug: Paricalcitol;   Drug: Calcitriol
    Sponsors:   Abbott;   Abbott;   North America Pediatric Renal Trials and Collaborative Studies (NAPRTCS)
    Recruiting - verified January 2012
  • Effects of Vitamin D in Parkinson's Disease (PD)

    Conditions:   Parkinson Disease;   Accidental Falls
    Interventions:   Dietary Supplement: Vitamin D;   Dietary Supplement: calcium;   Other: Placebo
    Sponsors:   Department of Veterans Affairs;   Department of Veterans Affairs;   Oregon Health and Science University
    Recruiting - verified January 2012
  • High Dose Cholecalciferol in Premenopausal Women at High-Risk for Breast Cancer

    Conditions:   brca1 Mutation Carrier;   brca2 Mutation Carrier;   Breast Cancer
    Interventions:   Dietary Supplement: cholecalciferol;   Other: placebo
    Sponsors:   National Cancer Institute (NCI);   Southwest Oncology Group;   National Cancer Institute (NCI)
    Recruiting - verified May 2012
  • Correlation Between Vitamin D Status and Bone Mineral Density in Patients With Hemophilia

    Conditions:   Hemophilia A;   Hemophilia B;   Vitamin D Deficiency
    Intervention:   Dietary Supplement: Vitamin D and calcium
    Sponsors:   Virginia Commonwealth University;   Virginia Commonwealth University;   CSL Behring
    Recruiting - verified March 2010
  • Vitamin D and Omega-3 Trial (VITAL)

    Conditions:   Cancer;   Cardiovascular Disease
    Interventions:   Dietary Supplement: vitamin D3;   Dietary Supplement: omega-3 fatty acids (fish oil);   Dietary Supplement: Vitamin D3 placebo;   Dietary Supplement: Fish oil placebo
    Sponsors:   Brigham and Women's Hospital;   Brigham and Women's Hospital;   National Cancer Institute (NCI);   National Heart, Lung, and Blood Institute (NHLBI);   Office of Dietary Supplements (ODS);   National Institute of Neurological Disorders and Stroke (NINDS);   National Center for Complementary and Alternative Medicine (NCCAM)
    Recruiting - verified May 2012
  • Safety and Immunologic Effect of Low Dose Versus High Dose Vitamin D3 in Multiple Sclerosis

    Conditions:   Multiple Sclerosis;   Vitamin D Deficiency
    Interventions:   Dietary Supplement: Cholecalciferol;   Dietary Supplement: Cholecalciferol
    Sponsors:   Johns Hopkins University;   Johns Hopkins University
    Recruiting - verified June 2011
  • The Effects of Vitamin D Repletion in Vitamin D Deficient Patients With Stage 3 and 4 Chronic Kidney Disease

    Conditions:   Chronic Renal Insufficiency;   Proteinuria
    Interventions:   Drug: Vitamin D;   Other: Placebo
    Sponsors:   Albert Einstein College of Medicine of Yeshiva University;   Albert Einstein College of Medicine of Yeshiva University
    Recruiting - verified October 2011
  • hCAP18 Levels and Vitamin D Deficiency in Chronic Kidney Disease

    Conditions:   Chronic Kidney Disease;   Vitamin D Deficiency
    Interventions:   Drug: Ergocalciferol;   Drug: Calcitriol
    Sponsors:   Massachusetts General Hospital;   Massachusetts General Hospital;   National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK);   National Kidney Foundation
    Recruiting - verified July 2011
  • Safety and Efficacy of Paricalcitol Capsules in Decreasing Serum Parathyroid Hormone Levels in Children 10-16 With Chronic Kidney Disease (CKD).

    Condition:   Chronic Kidney Disease Stage 3 and 4
    Interventions:   Drug: Zemplar (paricalcitol) Capsules;   Drug: Placebo capsules
    Sponsors:   Abbott;   Abbott
    Recruiting - verified May 2012
  • Vitamin D Deficiency in Patients With Hypertension

    Conditions:   Vitamin D Deficiency;   Hypertension
    Interventions:   Drug: aliskiren (Tekturna);   Dietary Supplement: cholecalciferol (Vitamin D3);   Dietary Supplement: Placebo
    Sponsors:   University of Connecticut Health Center;   University of Connecticut Health Center;   Novartis
    Recruiting - verified December 2011
  • Vitamin D Supplementation in Veterans With Early-Stage Prostate Cancer

    Condition:   Prostate Cancer
    Interventions:   Drug: vitamin D3;   Drug: Placebo daily for one year
    Sponsors:   Department of Veterans Affairs;   Department of Veterans Affairs
    Recruiting - verified March 2012
  • Fat Mediated Modulation of Reproductive and Endocrine Function in Young Athletes

    Condition:   Exercise-related Amenorrhea
    Interventions:   Drug: Transdermal 17Beta-estradiol, progesterone;   Drug: Ethinyl Estradiol + Desogestrel;   Dietary Supplement: Elemental Calcium and Vitamin D
    Sponsors:   Massachusetts General Hospital;   Massachusetts General Hospital;   Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
    Recruiting - verified February 2012
  • Treatment of Vitamin D Insufficiency

    Conditions:   Vitamin D Status;   Secondary Hyperparathyroidism;   Post-Menopause
    Interventions:   Drug: High Dose Vitamin D3;   Drug: Low Dose Vitamin D3;   Drug: Placebo;   Drug: Placebo
    Sponsors:   University of Wisconsin, Madison;   University of Wisconsin, Madison;   National Institutes of Health (NIH)
    Recruiting - verified November 2011
  • Safety and Effectiveness of Oral Alendronate Therapy on Bone Mineral Density in HIV-infected Children and Adolescents With Low Bone Mineral Density

    Condition:   HIV Infections
    Interventions:   Drug: Alendronate;   Drug: Alendronate placebo;   Dietary Supplement: Calcium carbonate/vitamin D
    Sponsors:   National Institute of Allergy and Infectious Diseases (NIAID);   National Institute of Allergy and Infectious Diseases (NIAID);   Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
    Recruiting - verified May 2012
  • DIVINE: Dialysis Infection and Vitamin D In New England

    Condition:   End Stage Renal Disease
    Interventions:   Drug: Ergocalciferol;   Drug: Ergocalciferol;   Other: Placebo
    Sponsors:   Massachusetts General Hospital;   Massachusetts General Hospital;   National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
    Recruiting - verified April 2012
  • Cholecalciferol Supplement in Treating Patients With Localized Prostate Cancer Undergoing Observation

    Conditions:   Adenocarcinoma of the Prostate;   Stage I Prostate Cancer;   Stage II Prostate Cancer;   Stage III Prostate Cancer;   Stage IV Prostate Cancer
    Interventions:   Dietary Supplement: cholecalciferol;   Drug: Placebo Administration
    Sponsors:   Roswell Park Cancer Institute;   Roswell Park Cancer Institute
    Recruiting - verified January 2012
  • Nutritional Intervention for Age-related Muscular Function and Strength Losses

    Conditions:   Muscle Strength;   Sarcopenia
    Interventions:   Dietary Supplement: Beta-hydroxy-Beta-methylbutyrate and/ or Vitamin D;   Dietary Supplement: Placebo
    Sponsors:   Metabolic Technologies Inc.;   Metabolic Technologies Inc.;   Iowa State University;   South Dakota State University
    Recruiting - verified January 2012
  • Calcium and Vitamin D to Optimize Bone Mass in Boys With Risperidone-induced Hyperprolactinemia

    Condition:   Risperidone-induced Hyperprolactinemia
    Intervention:   Dietary Supplement: Calcium and Vitamin D
    Sponsors:   University of Iowa;   University of Iowa;   National Institutes of Health (NIH);   Children's Miracle Network
    Recruiting - verified August 2011
  • Vitamin D and Coronary Calcification Study

    Conditions:   Chronic Kidney Disease;   Vitamin D Deficiency;   Coronary Calcification;   Disorders of Calcium and Bone Metabolism
    Interventions:   Drug: Calcitriol (Rocaltrol®);   Drug: Paricalcitol
    Sponsors:   University of Pennsylvania;   University of Pennsylvania;   Abbott
    Recruiting - verified November 2011
  • Vitamin D, Insulin Resistance, and Cardiovascular Disease

    Conditions:   Vitamin D Deficiency;   Insulin Resistance;   Type 2 Diabetes Mellitus;   Cardiovascular Disease;   Hypertension
    Interventions:   Drug: Vitamin D3;   Drug: Placebo
    Sponsors:   Washington University School of Medicine;   Washington University School of Medicine;   National Heart, Lung, and Blood Institute (NHLBI);   American Diabetes Association
    Recruiting - verified November 2011
  • Effects of Vitamin D on Lipids

    Conditions:   Hypercholesterolemia;   Vitamin D Deficiency
    Interventions:   Drug: Vitamin D3 dose titration;   Other: Placebo
    Sponsors:   Jewish Home, San Francisco;   Jewish Home, San Francisco;   National Institute on Aging (NIA)
    Recruiting - verified March 2012
  • Paricalcitol in Treating Patients With Advanced Prostate Cancer and Bone Metastases

    Conditions:   Metastatic Cancer;   Prostate Cancer
    Interventions:   Drug: paricalcitol;   Other: immunoenzyme technique;   Other: laboratory biomarker analysis;   Procedure: dual x-ray absorptometry;   Procedure: quality-of-life assessment
    Sponsors:   Comprehensive Cancer Center of Wake Forest University;   Comprehensive Cancer Center of Wake Forest University;   National Cancer Institute (NCI)
    Recruiting - verified October 2010
  • Clinical Effects of Vitamin D Repletion in Patients With Parkinson's Disease

    Condition:   Parkinson's Disease
    Intervention:   Drug: VITAMIN D
    Sponsors:   Emory University;   Emory University
    Recruiting - verified May 2012
  • How Vitamin D Analogues Affect Endothelial Cells in Patients on Dialysis

    Conditions:   Hyperparathyroidism, Secondary;   Kidney Failure, Chronic;   Endothelial Cells;   Vitamin D
    Intervention:   Drug: doxercalciferol
    Sponsors:   Duke University;   Duke University;   Genzyme
    Recruiting - verified June 2011
  • Vitamin D and Soy Supplements in Treating Patients With Recurrent Prostate Cancer

    Condition:   Prostate Cancer
    Interventions:   Dietary Supplement: cholecalciferol;   Dietary Supplement: genistein;   Dietary Supplement: soy isoflavones;   Genetic: polymerase chain reaction;   Genetic: protein expression analysis;   Other: immunologic technique;   Other: laboratory biomarker analysis
    Sponsors:   Comprehensive Cancer Center of Wake Forest University;   Comprehensive Cancer Center of Wake Forest University;   National Cancer Institute (NCI)
    Recruiting - verified April 2012
  • Paricalcitol and Gemcitabine in Treating Patients With Advanced Cancer

    Condition:   Unspecified Adult Solid Tumor, Protocol Specific
    Interventions:   Drug: gemcitabine hydrochloride;   Drug: paricalcitol
    Sponsors:   Roswell Park Cancer Institute;   Roswell Park Cancer Institute;   Abbott
    Recruiting - verified January 2012
  • Resistance to Vitamin D or Parathyroid Hormone

    Conditions:   Hypocalcemia;   Osteomalacia;   Pseudohypoparathyroidism;   Pseudo-Pseudohypoparathyroidism;   Rickets
    Intervention:  
    Sponsors:   National Institutes of Health Clinical Center (CC);   National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
    Recruiting - verified October 2011

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