- Conditions
- Craniocerebral Trauma, Intracranial Aneurysm, Brain Neoplasms, Spinal Cord Injuries, Seizures, Meningitis, Stroke, Intracranial Hemorrhages, Critical Illness, Vitamin d Deficiency
- Interventions
- Cholecalciferol, Placebo
- Drug · Other
- Lead sponsor
- University of Utah
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 274 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2018
- U.S. locations
- 1
- States / cities
- Salt Lake City, Utah
Search Results
Search by objective public record fields.
Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.
These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Showing 1–24
of 2,080
matching trials from the live ClinicalTrials.gov search.
- Conditions
- Schizophrenia, Schizoaffective Disorder
- Interventions
- Kuvan, Multivitamin
- Drug
- Lead sponsor
- New York State Psychiatric Institute
- Other
- Eligibility
- 18 Years to 64 Years
- Enrollment
- 27 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2016
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Actinic Keratosis
- Interventions
- Photodynamic therapy (PDT), Vitamin D3
- Drug
- Lead sponsor
- Case Comprehensive Cancer Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 75 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2021
- U.S. locations
- 1
- States / cities
- Cleveland, Ohio
- Conditions
- Vitamin B6 Deficiency
- Interventions
- Arm 1 glycine and leucine, Arm 2 Intervention of Serine and methionine infusion
- Dietary Supplement
- Lead sponsor
- University of Florida
- Other
- Eligibility
- 20 Years to 40 Years
- Enrollment
- 45 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2008 – 2010
- U.S. locations
- 1
- States / cities
- Gainesville, Florida
- Conditions
- Osteoporosis
- Interventions
- placebo, ALX1-11
- Drug
- Lead sponsor
- Shire
- Industry
- Eligibility
- 45 Years and older · Female only
- Enrollment
- 2,532 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2000 – 2003
- U.S. locations
- 107
- States / cities
- Birmingham, Alabama • Huntsville, Alabama • Phoenix, Arizona + 95 more
- Conditions
- Myofascial Pain Syndrome
- Interventions
- OMT
- Procedure
- Lead sponsor
- AtlantiCare Regional Medical Center
- Other
- Eligibility
- 25 Years to 75 Years
- Enrollment
- 30 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022
- U.S. locations
- 1
- States / cities
- Atlantic City, New Jersey
- Conditions
- Long COVID Fatigue
- Interventions
- Ketogenic Metabolic Therapy, Lifestyle Intervention
- Other · Behavioral
- Lead sponsor
- National University of Natural Medicine
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 11 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2025
- U.S. locations
- 1
- States / cities
- Portland, Oregon
- Conditions
- Vitamin D Deficiency, Sarcopenia
- Interventions
- vitamin D3, Placebo
- Dietary Supplement · Other
- Lead sponsor
- Tufts University
- Other
- Eligibility
- 60 Years to 85 Years
- Enrollment
- 100 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2015 – 2018
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Healthy Participants
- Interventions
- Influenza virus vaccine, Vitamins A and D, Placebo
- Biological · Dietary Supplement · Other
- Lead sponsor
- St. Jude Children's Research Hospital
- Other
- Eligibility
- 2 Years to 8 Years
- Enrollment
- 87 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2016 – 2018
- U.S. locations
- 1
- States / cities
- Memphis, Tennessee
- Conditions
- Rheumatoid Arthritis
- Interventions
- Teriparatide, calcium citrate, Vitamin D, TNF antagonist
- Drug
- Lead sponsor
- Brigham and Women's Hospital
- Other
- Eligibility
- 45 Years and older
- Enrollment
- 26 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2016
- U.S. locations
- 3
- States / cities
- Boston, Massachusetts • Worcester, Massachusetts
- Conditions
- Menopause
- Interventions
- multi-vitamin, multi-nutrient, Placebo
- Dietary Supplement
- Lead sponsor
- Biologica Inc
- Industry
- Eligibility
- 43 Years to 55 Years · Female only
- Enrollment
- 80 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025 – 2026
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
- Conditions
- Heart Failure, Diabetes
- Interventions
- Thiamine, Placebo
- Drug
- Lead sponsor
- Baystate Medical Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 131 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2012
- U.S. locations
- 2
- States / cities
- Boston, Massachusetts • Springfield, Massachusetts
- Conditions
- Venous Thromboembolism (VTE), Pulmonary Embolism, Deep Vein Thrombosis (DVT)
- Interventions
- Edoxaban, Standard of Care
- Drug
- Lead sponsor
- Daiichi Sankyo
- Industry
- Eligibility
- 1 Day to 17 Years
- Enrollment
- 290 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2022
- U.S. locations
- 22
- States / cities
- Tucson, Arizona • Los Angeles, California • Stanford, California + 16 more
- Conditions
- Premature Infants
- Interventions
- cholecalciferal, cholecalciferol
- Dietary Supplement
- Lead sponsor
- University of Nebraska
- Other
- Eligibility
- 23 Weeks to 32 Weeks
- Enrollment
- 32 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2013
- U.S. locations
- 1
- States / cities
- Omaha, Nebraska
- Conditions
- Covid19, Sequelae of; Infection, Cognitive Symptom
- Interventions
- Niagen
- Drug
- Lead sponsor
- Massachusetts General Hospital
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 72 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2024
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- End Stage Renal Disease, Hemodialysis
- Interventions
- Alpha tocopherol
- Drug
- Lead sponsor
- National Institute of Environmental Health Sciences (NIEHS)
- NIH
- Eligibility
- 21 Years and older
- Enrollment
- 35 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2001 – 2004
- U.S. locations
- 1
- States / cities
- Cleveland, Ohio
- Conditions
- Adverse Drug Reaction
- Interventions
- Pharmacogenetic Intervention Arm (pharmacogenetic testing)
- Other
- Lead sponsor
- Indiana University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 4,465 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2019
- U.S. locations
- 1
- States / cities
- Indianapolis, Indiana
- Conditions
- Type 2 Diabetes Mellitus (T2DM), Sarcopenia, Obesity, Muscle Loss, Older Adults
- Interventions
- Calcium-HMB Plus Vitamin D3, Matching placebo
- Dietary Supplement · Other
- Lead sponsor
- Vanderbilt University Medical Center
- Other
- Eligibility
- 65 Years to 85 Years
- Enrollment
- 90 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2030
- U.S. locations
- 1
- States / cities
- Nashville, Tennessee
- Conditions
- Vasodilation, Arterial Stiffness
- Interventions
- Acetylcholine, Sodium Nitroprusside, Ascorbic Acid
- Drug
- Lead sponsor
- Colorado State University
- Other
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 17 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2019 – 2022
- U.S. locations
- 1
- States / cities
- Fort Collins, Colorado
- Conditions
- Autism, Severe Behavior Disorder
- Interventions
- placebo, glutathione, glutathione, vit C and NAC
- Drug
- Lead sponsor
- University of Louisville
- Other
- Eligibility
- 5 Years to 16 Years
- Enrollment
- 24 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2012
- U.S. locations
- 1
- States / cities
- Louisville, Kentucky
- Conditions
- HIV Infection, Bone Mass
- Interventions
- cholecalciferol plus calcium carbonate
- Dietary Supplement
- Lead sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
- NIH
- Eligibility
- 6 Years to 16 Years
- Enrollment
- 59 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2003 – 2006
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Females, Males, Menopause, Sedentary, Healthy Participants
- Interventions
- Vitamin C (Ascorbic Acid)
- Dietary Supplement
- Lead sponsor
- University of Virginia
- Other
- Eligibility
- 45 Years and older
- Enrollment
- 1 participant
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025 – 2026
- U.S. locations
- 1
- States / cities
- Charlottesville, Virginia
- Conditions
- Hematopoietic Stem Cell Transplant
- Interventions
- Vitamin D and A, Vitamin D and Placebo
- Dietary Supplement
- Lead sponsor
- Children's Hospital Medical Center, Cincinnati
- Other
- Eligibility
- Not listed
- Enrollment
- 83 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2023
- U.S. locations
- 1
- States / cities
- Cincinnati, Ohio
- Conditions
- Type 2 Diabetes, Vitamin B12 Deficiency, Neuropathy, Anemia
- Interventions
- Office visit intervention, Electronic Message Intervention
- Behavioral
- Lead sponsor
- Ohio State University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 489 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2015
- U.S. locations
- 1
- States / cities
- Columbus, Ohio