Search clinical trials for: Vitamin D3

Total 13551 results

Centre for Addiction and Mental Health

Completed

Exploring Occupancy of Dopamine D3 Receptor by Buspirone in Humans Using PET

Smoking Cessation | Tobacco Use Cessation

Canada
UNC Lineberger Comprehensive Cancer Center

Recruiting

Measuring Changes in Body Composition and Physical Function in Patients With Childhood Cancers

Cancer | Malignant Neoplasm

United States
Brigham and Women's Hospital
Harvard School of Public Health (HSPH)

Active, not recruiting

LungVITamin D and OmegA-3 Trial (lungVITAL) (lungVITAL)

Pneumonia | Asthma | COPD | Pulmonary Function

United States
Nordic Myeloma Study Group
Nordic Cancer Union

Completed

Pamidronate Prophylaxis in Multiple Myeloma 30 mg/Month Versus 90 mg/Month

Multiple Myeloma

Denmark, Norway, Sweden
University Hospital, Basel, Switzerland

Recruiting

Cholecalciferol in Chronic Inflammatory Bowel Diseases (5C)

IBD

Switzerland
Deltanoid Pharmaceuticals

Completed

Phase 2 Safety and Efficacy Study of a Vitamin D Compound (DP001) in Postmenopausal Women With Low Bone Mineral Density (2MD-3H-2B)

Osteoporosis

United States
University of the Punjab
The National HIV/AIDS Programme

Completed

High-Dose Vitamin D3 Supplementation in the Treatment of Human Immune Deficiency Virus Patients Trial (HDVDS-HIVT)

HIV-1-infection | Hypovitaminosis D

Pakistan
University of Chester
Medical Research Council

Completed

A Study to Investigate the Effect of Vitamin D3 Supplementation on Iron Status in Iron Deficient Women

Vitamin D Deficiency | Iron Deficiency | Anemia; Deficiency, Nutritional, With Poor Iron Absorption

United Kingdom
Creighton University

Completed

Pharmacokinetic Comparison of Vitamin's D2 and D3 in Stage 5 Chronic Kidney Disease Patients on Chronic Hemodialysis

Chronic Kidney Disease

United States
Organon and Co

Completed

Study of MK-217A/Alendronate Sodium 70-mg/Vitamin D3 5600 IU Combination Tablet (MK-0217A-329)

Osteoporosis
University of Faisalabad

Completed

Impact of Vitamin D3 Supplementation in Non-Sjogren Dry Eye Patients With Low Serum Vitamin D Level

Dry Eye Syndromes | Hypovitaminosis D

Pakistan
Bangabandhu Sheikh Mujib Medical University, Dhaka...

Completed

Role of Vitamin D3 Supplementation With Conventional Synthetic Disease Modifying Antirheumatic Drugs(csDMARD) in Rheumatoid Arthritis Patients

Rheumatoid Arthritis

Bangladesh
University of Guadalajara

Completed

Effect of Vitamins D3 and K2 in uOc and Insulin Serum Levels in Patients With Diabetes Mellitus

Diabetes Mellitus, Type 2 | Insulin Resistance | Bone Loss

Mexico
Augusta University

Completed

Vitamin D Supplement Study for Adolescents (VIP)

Obesity | Overweight | Vitamin D Deficiency

United States
Applied Science Private University

Completed

The Effects of Vitamin D3 Alone and in a Combination With Omega-3 on the Association of C-peptide With Glycemic Control

Vitamin D Deficiency

Jordan
Uppsala University

Completed

Vitamin D and Physical Performance Before and After Intervention and Birth Outcome in Pregnant Somali and Swedish Women

Muscle Weakness | Vitamin D Deficiency

Sweden
University Hospital, Basel, Switzerland

Completed

Oral Vitamin D Substitution Weekly or Monthly and Adherence

Vitamin D Deficiency

Switzerland
Assaf-Harofeh Medical Center

Completed

The Effect of Vitamin D Supplementation on Arterial Stiffness in Diabetic Patients

Diabetes

Israel
Fondazione Italiana Sindromi Mielodisplastiche-ETS
Centro di Riferimento per l'Epidemiologia e la Prev. Oncologica Piemonte

Terminated

Multicentric Study Comparison Between Erythropoietin and Erythropoietin Associated to Differentiating Therapy With Acid 13-cis-retinoic and Dihydroxyvitamin D3 in Myelodysplastic Syndromes Without Excess of Blasts

Myelodysplastic Syndromes

Italy
Tata Memorial Hospital

Terminated

Randomized Controlled Trial of Neo-adjuvant Progesterone and Vitamin D3 in Women With Large Operable Breast Cancer and Locally Advanced Breast Cancer

Locally Advanced Breast Cancer and Large Operable Breast Cancer

India
Mclean Hospital
National Institute on Drug Abuse (NIDA)

Withdrawn

Concurrent PET D2/D3 Receptor Imaging and fMRI Smoking Cue Reactivity in Smokers

Nicotine Dependence | Smoking Cue Reactivity | Relapse to Smoking

United States
Vadim Sherman, MD
Texas Woman's University; The Methodist Hospital Research Institute

Completed

Efficacy of Vitamin D Supplementation in Bariatric Surgery Patients

Obesity | Vitamin D Deficiency

United States
Boehringer Ingelheim

Terminated

A Multiple Increasing Dose Safety and Tolerability Study After Inhalation Administration of BIIX 1 XX in Healthy Male Volunteers

Healthy
Gdansk University of Physical Education and Sport

Completed

The Effect of Supplementation of Vitamin D3 on Inflammation Induced by 100 km Running, Iron Metabolism and Erythropoiesis

Healthy | Iron Metabolism | Ineffective Erythropoiesis | Inflammation; Muscle
Korea University Anam Hospital

Completed

Effect of Short-term Sunlight Exposure on Blood Pressure and Pulse Rate in Vitamin D3 Insufficient, Prehypertensive Patients

Sunlight Exposure

Korea, Republic of
Tufts University
Pfizer

Completed

A Pilot Study of the Effect of Dietary Fat Type and Amount on Vitamin D3 Absorption (MUFA/PUFA)

Vitamin D Deficiency

United States
Icahn School of Medicine at Mount Sinai

Completed

Bioavailability and Biological Effects of Vitamin D2 Contained in Mushroom

Metabolic Syndrome | Vitamin D Deficiency | Prediabetes

United States
Helsinki University Central Hospital

Completed

A Study on Oral Vitamin D Megadoses

Hypovitaminosis D

Finland
Queen Mary University of London
Cancer Research UK; Barts and the London School of Medicine and Dentistry

Completed

A Study to Examine the Effectiveness of Aspirin and/or Vitamin D3 to Prevent Prostate Cancer Progression (PROVENT)

Prostate Cancer

United Kingdom
University of Ulster
Northern Ireland Executive; HSC Public Health Agency

Completed

A Comparison of Capsules and Oral Spray Solution as Methods of Delivering Vitamin D3 and Raising Status (SCD3)

Vitamin D Status | Vitamin D Concentration

United Kingdom
Assiut University

Not yet recruiting

The Relation Between Macrophage Migration Inhibitory Factor (MIF) and 25(OH) Vitamin D3 Serum Levels in Rheumatoid Arthritis

Rheumatoid Arthritis
Applied Science Private University

Completed

Effect of Weekly High-dose Vitamin D3 Supplementation on the Association Between Circulatory FGF-23 and A1c Levels

Kidney Diseases | Diabetes Mellitus, Type 2

Jordan
Semmelweis University

Terminated

The Effect of 25-OH-Vitamin-D3 Substitution in Patients With Malignant and Immune-hematologic Diseases (D-HEM)

Chronic Lymphoid Leukemia

Hungary
Emory University

Completed

A Single Wintertime Dose of Vitamin D3 to Prevent Winter Decline in Vitamin D Status in Healthy Adults

Vitamin D Deficiency

United States
University of New Mexico
University of Colorado, Denver; Thrasher Research Fund; Intermountain Health...

Completed

Darbepoetin Administration to Preterm Infants

Infant, Newborn

United States
Brigham and Women's Hospital
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)

Active, not recruiting

Study of Vitamin D and Omega-3 Supplementation for Preventing Diabetes

Type 2 Diabetes

United States
Prof. Dr. Jörg Leuppi

Completed

High Dose Vitamin-D Substitution in Patients With COVID-19: a Randomized Controlled, Multi Center Study (VitCov)

Covid19 | Vitamin D Deficiency | Corona Virus Infection | ARDS | SARS-CoV Infection | Coronavirus

Switzerland
Centre Hospitalier Universitaire de Nīmes

Completed

Efficacy of Cholecalciferol (Vitamin D3) for Delaying the Diagnosis of MS After a Clinically Isolated Syndrome (D-Lay-MS)

Multiple Sclerosis

France, Martinique
Medical University of Graz
Medical University of Vienna; University Hospital, Essen; Goethe University; Guy... and other collaborators

Recruiting

The VITDALIZE Study: Effect of High-dose Vitamin D3 on 28-day Mortality in Adult Critically Ill Patients (VITDALIZE)

Critical Illness | Covid19 | Vitamin D Deficiency

Austria, Belgium
Indonesia University

Active, not recruiting

The Effect of Vitamin D3 Therapy on Vitamin D Status in Pregnant Women With Vitamin D Deficient and Insufficient

Vitamin D Deficiency

Indonesia
Bangabandhu Sheikh Mujib Medical University, Dhaka...

Completed

Impact of Vitamin D3 Administration on Cardiac Autonomic Tone in Asthma Chronic Obstructive Pulmonary Disease(COPD) Overlap Patients (COPD)

Vitamin D Deficiency | Asthma-COPD Overlap Syndrome | Cardiac Autonomic Tone

Bangladesh
Taipei Medical University Hospital

Recruiting

Effects of Multiple Mega-dose of Vitamin D3 Supplementation on Ameliorating Moderate to Severe Chronic Pain in Hemodialysis Patients

Hyperparathyroidism | Chronic Pain | Hemodialysis

Taiwan
University of Chester

Completed

A Study to Investigate the Effect of Vitamin D3 Supplementation on Asthma Symptoms in Adults With Asthma (VITDAS) (VITDAS)

Inflammation | Vitamin D Deficiency | Asthma | Nutritional Deficiency

United Kingdom
B.P. Koirala Institute of Health Sciences
Nepal Health Research Council

Completed

A Comparative Study to Assess Efficacy of Intralesional MMR Vaccine and Intralesional Vitamin D3 in Treatment of Warts (MMR)

Verruca Viral

Nepal
University Hospital, Lille

Withdrawn

Impact of Zinc and Vitamin D3 Supplementation on the Survival of Aged Patients Infected With COVID-19 (ZnD3-CoVici)

SARS-CoV 2
Lund University
Region Skane

Terminated

Prevention Trial: Immune-tolerance With Alum-GAD (Diamyd) and Vitamin D3 to Children With Multiple Islet Autoantibodies (DiAPREV-IT2)

Diabetes Mellitus, Type 1 | Prediabetic State

Sweden
Indonesia University

Unknown

The Effect of β-Carotene, Vitamin D3 and Zinc on Hyaline Membrane Disease and Feeding Intolerance in Premature Neonates

Hyaline Membrane Disease | Necrotizing Enterocolitis of Newborn

Indonesia
University of Pittsburgh

Completed

Defining Vitamin D Insufficiency in School Age Children: A Randomized Placebo Controlled Trial of Vitamin D3 (Vitamin D RCT)

Healthy

United States
Chinese University of Hong Kong

Recruiting

Preventing Curve Progression and the Need for Bracing in Adolescent Idiopathic Scoliosis With Calcium + Vitamin D Supplementation

Spinal Diseases | Scoliosis | Spinal Curvatures | Vitamin D | Bone Health

Hong Kong
University of Aarhus

Completed

Physiologic Interactions Between the Adrenal- and the Parathyroid Glands (AldOst)

Cardiovascular Disease | Vitamin D Deficiency | Osteoporosis

Denmark

Search clinical trials for: Vitamin D3

Sponsors and Collaborators

Medical Conditions

Drug Interventions

CROs by country

CROs in Taiwan

Conditions

Rare Diseases

Drug Interventions

Dietary Supplements

Sponsor/Collaborators

Locations