35 Recruiting Studies Using Vitamin D
Active clinical trials that use this intervention, sourced directly from the NIH registry.
Browse by conditionTrials Using Vitamin D
Acute Vitamin D Supplementation on Testosterone in Females
📍 University of Southern California Health Sciences Campus Center for Health Professions — Los Angeles, California
Female Hormone Profile
View Study & Checklist ➔Novel Combination Therapy for Osteoporosis in Men
📍 San Francisco VA Medical Center, San Francisco, CA — San Francisco, California
Male Osteoporosis
View Study & Checklist ➔Preoperative Correction of Vitamin D Deficiency in Total Joint Arthroplasty (TJA)
📍 University of Miami — Miami, Florida
Osteoarthritis
View Study & Checklist ➔Temporal Profile of Serum Vitamin D Levels in Foot and Ankle Fusion Surgery
📍 Medical University of South Carolina — Charleston, South Carolina
Ankle Arthrodesis
View Study & Checklist ➔Effects of Vitamin D Supplementation in Adolescents With Asthma, Obesity and Vitamin D Deficiency.
📍 Hospital Infantil de México Federico Gómez — Mexico City, Mexico City
Non-allergic Asthma
View Study & Checklist ➔VITamin D and OmegA-3 TriaL: Interrelationship of Vitamin D and Vitamin K on Bone (VITAL)
📍 Brigham and Women's Hospital — Boston, Massachusetts
Bone Density
View Study & Checklist ➔Effects of Vitamin D and Marine Omega-3 Fatty Acids on Anemia
📍 Brigham and Women's Hospital — Boston, Massachusetts
Anemia
View Study & Checklist ➔Vitamin D and Physical Activity on Bone Health
📍 University of Rochester — Rochester, New York
Bone Metabolism Biomarkers
View Study & Checklist ➔RANKL Inhibition and Mammographic Breast Density
📍 Washington University School of Medicine — St Louis, Missouri
Dense Breasts
View Study & Checklist ➔Dried Plums and Bone Health in Postmenopausal Women
📍 Women's Health and Exercise Laboratories, The Pennsylvania State University — University Park, Pennsylvania
Postmenopausal Osteoporosis
View Study & Checklist ➔Vitamin D and Omega-3 Hypertension Trial (VITAL Hypertension)
📍 Brigham and Women's Hospital — Boston, Massachusetts
Hypertension
View Study & Checklist ➔Respiratory Outcomes After Early Vitamin D Supplementation in Infants Born Extremely Preterm
📍 University of Alabama at Birmingham — Birmingham, Alabama
Prematurity; Extreme
View Study & Checklist ➔Effects of Vitamin D and Omega-3 Fatty Acids on Infectious Diseases and hCAP18 (VITAL Infection)
📍 Brigham and Women's Hospital — Boston, Massachusetts
Infections
View Study & Checklist ➔Vitamin D and Omega-3 Trial (VITAL)
📍 Brigham and Women's Hospital — Boston, Massachusetts
Cancer
View Study & Checklist ➔LungVITamin D and OmegA-3 Trial (lungVITAL)
📍 Brigham and Women's Hospital — Boston, Massachusetts
COPD
View Study & Checklist ➔VITAL Rhythm Study
📍 Brigham and Women's Hospital — Boston, Massachusetts
Cardiovascular Disease
View Study & Checklist ➔High-dose Vitamin D Supplements in Older Adults
📍 University of California, Davis Alzheimer's Disease Center — Walnut Creek, California
Vitamin D Deficiency
View Study & Checklist ➔Effect of Vitamin D and Branched-chain Amino Acids on Physical Performance and Biomarkers of Muscle Fatigue in Runners
📍 Universidad de Colima — Colima, Colima
Healthy Adult Male
View Study & Checklist ➔The Prospective Improved Vitamin D Study for Inflammatory Bowel Disease Patients
📍 Victoria Hospital - London Health Sciences Centre — London, Ontario
Ulcerative Colitis (UC)
View Study & Checklist ➔Vitamin D Effects on Immune Microenvironment of Nonmelanoma Skin Cancer After Photodynamic Therapy (PDT)
📍 Case Comprehensive Cancer Center, Cleveland Clinic Foundation Taussig Cancer Institute — Cleveland, Ohio
Nonmelanoma Skin Cancer
View Study & Checklist ➔Frailty Rehabilitation
📍 McMaster University - St. Peter's Hospital — Hamilton, Ontario
Frailty
View Study & Checklist ➔High Dose Interval Vitamin D Supplementation in Patients With Inflammatory Bowel Disease Receiving Biologic Therapy
📍 Boston Children's Hospital — Boston, Massachusetts
Inflammatory Bowel Disease
View Study & Checklist ➔Vitamin D Dynamics in Women
📍 University of Rochester, 518 Hylan Building — Rochester, New York
Pregnancy
View Study & Checklist ➔Impact of Vitamin D Supplementation on the Rate of Pathologic Complete Response in Vitamin D Deficient Patients
📍 Wake Forest Baptist Health Sciences — Winston-Salem, North Carolina
Triple Negative Breast Cancer
View Study & Checklist ➔Prunes Preventing Bone Loss in Perimenopause
📍 Women's Health and Exercise Laboratory, The Pennsylvania State University — University Park, Pennsylvania
Perimenopausal Bone Loss
View Study & Checklist ➔Impact of Vitamin D Supplements on Mental Health and Milk Composition in Mothers Living in Idaho
📍 Kootenai Health — Coeur d'Alene, Idaho
Maternal Stress
View Study & Checklist ➔Vitamin D in Patients With Stage I-III Colon Cancer or Resectable Colon Cancer Liver Metastases
📍 Dana-Farber Cancer Institute — Boston, Massachusetts
Stage, Colon Cancer
View Study & Checklist ➔Evaluation of the Clinical and Psychological Impact of Vitamin D Replacement in Adolescent Females at Risk for Polycystic Ovarian Syndrome (PCOS)
📍 Yale New Haven Children's Hospital — New Haven, Connecticut
Polycystic Ovarian Syndrome in Adolescent Females
View Study & Checklist ➔Maternal Stress on Human Milk and Infant Outcomes
📍 Kootenai Health — Coeur d'Alene, Idaho
Postpartum Depression
View Study & Checklist ➔The Efficacy of Vitamin D Supplementation to Sustain Performance Outcomes
📍 Sleep Research Center (SRC), Walter Reed Army Institute of Research (WRAIR) — Silver Spring, Maryland
Acute Stress Reaction
View Study & Checklist ➔Vitamin D and Type 2 Diabetes - Treat-To-Target
📍 Tufts Medical Center — Boston, Massachusetts
Prediabetes
View Study & Checklist ➔Triamcinolone With Vitamin D Synergistic Efficacy in Psoriasis
📍 Wright State Physicians — Fairborn, Ohio
Plaque Psoriasis
View Study & Checklist ➔Precision Medicine and Physical Function
📍 University of North Carolina at Chapel Hill — Chapel Hill, North Carolina
Frailty
View Study & Checklist ➔The Thoracic Peri-Operative Integrative Surgical Care Evaluation Trial - Stage III
📍 The Ottawa Hospital — Ottawa, Ontario
Lung Cancer
View Study & Checklist ➔Pediatric Safety Follow-up Study of Prior Treatment With Romosozumab for Osteogenesis Imperfecta
📍 Indiana University — Indianapolis, Indiana
Osteogenesis Imperfecta
View Study & Checklist ➔