- Conditions
- Bariatric Surgery Candidate
- Interventions
- AquaVanta Chewable Tablet, Flinstones Complete, Nature Made Calcium Softgels, Twin Labs Iron Caps, Rexall Vitamin B12 Tablet
- Dietary Supplement
- Lead sponsor
- Yasoo Health
- Industry
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 61 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2014
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
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 169–192
of 959
matching trials from the live ClinicalTrials.gov search.
- Conditions
- Sickle Cell Disease, Anemia, Sickle Cell, Anemia, Hemolytic, Congenital, Respiratory Tract Diseases, Respiration Disorders, Acute Chest Syndrome, Lung Diseases, Asthma, Respiratory Tract Infections, Nutrition Disorders, Deficiency Diseases Vitamin, Vitamin D Deficiency
- Interventions
- Daily oral vitamin D3, 3,333 IU, Monthly oral vitamin D3, 100,000 IU, Placebo oral tablet
- Drug
- Lead sponsor
- Columbia University
- Other
- Eligibility
- 3 Years to 20 Years
- Enrollment
- 58 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2024
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Vitamin D Deficiency
- Interventions
- cholecalciferol (vitamin D3), cholecalciferol
- Drug
- Lead sponsor
- Medical University of South Carolina
- Other
- Eligibility
- 16 Years to 45 Years · Female only
- Enrollment
- 501 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2004 – 2010
- U.S. locations
- 1
- States / cities
- Charleston, South Carolina
- Conditions
- Colorectal Cancer
- Interventions
- Vitamin D intervention, Placebo intervention
- Dietary Supplement
- Lead sponsor
- Baylor University
- Other
- Eligibility
- 18 Years to 79 Years
- Enrollment
- 43 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2023
- U.S. locations
- 1
- States / cities
- Waco, Texas
- Conditions
- Vitamin D Deficiency
- Interventions
- Vitamin D - Treatment 1, Vitamin D - Treatment 2, Vitamin D - Treatment 3
- Dietary Supplement
- Lead sponsor
- USDA, Western Human Nutrition Research Center
- Federal
- Eligibility
- 20 Years to 49 Years
- Enrollment
- 23 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2011 – 2014
- U.S. locations
- 1
- States / cities
- Davis, California
- Conditions
- Arterial Dysfunction, Chronic Kidney Disease
- Interventions
- Cholecalciferol, Calcitriol
- Drug
- Lead sponsor
- University of Colorado, Denver
- Other
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 128 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2015
- U.S. locations
- 1
- States / cities
- Aurora, Colorado
- Conditions
- Inflammation
- Interventions
- Arm 2: cholecalciferol 50,000 IU, Arm 3: cholecalciferol 100,000 IU, Arm 4: cholecalciferol 200,000 IU, Arm 1: Placebo
- Dietary Supplement · Other
- Lead sponsor
- University Hospitals Cleveland Medical Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 24 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2013 – 2015
- U.S. locations
- 1
- States / cities
- Cleveland, Ohio
- Conditions
- Osteoporosis
- Interventions
- Small Particle Size Calcium Carbonate Supplement, Large Particle Size Calcium Carbonate Supplement, Vitamin D, Calcium Placebo
- Dietary Supplement
- Lead sponsor
- Purdue University
- Other
- Eligibility
- 12 Years to 14 Years · Female only
- Enrollment
- 55 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2007
- U.S. locations
- 1
- States / cities
- West Lafayette, Indiana
- Conditions
- Osteoporosis, Postmenopausal, Osteoporosis, Osteoporotic Fractures
- Interventions
- denosumab, Placebo, Calcium and Vitamin D
- Drug · Dietary Supplement
- Lead sponsor
- Susan L. Greenspan
- Other
- Eligibility
- 65 Years and older
- Enrollment
- 201 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2023
- U.S. locations
- 1
- States / cities
- Pittsburgh, Pennsylvania
- Conditions
- Vitamin D Deficiency, Metabolic Syndrome
- Interventions
- RDA Vitamin D3 only, Vitamin D2/3 Repletion only, Vitamin D2/3 Repletion + AEX, Vitamin D2/3 Repletion + RT
- Dietary Supplement · Other
- Lead sponsor
- Baltimore VA Medical Center
- Federal
- Eligibility
- 40 Years to 85 Years
- Enrollment
- 39 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010 – 2013
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- Conditions
- Sub-optimal Cognitive Function, Sub-optimal Immune Function
- Interventions
- Ginkgo Synergy® and Choline, OPC Synergy® and Catalyn, Placebo
- Dietary Supplement
- Lead sponsor
- University of Miami
- Other
- Eligibility
- 60 Years and older
- Enrollment
- 97 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2011
- U.S. locations
- 1
- States / cities
- Miami, Florida
- Conditions
- Vitamin D3 Deficiency
- Interventions
- Vitamin D3 4000 IU in gummy form, Placebo gummy vitamin
- Drug
- Lead sponsor
- Medical University of South Carolina
- Other
- Eligibility
- 18 Years to 45 Years · Female only
- Enrollment
- 342 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2013 – 2018
- U.S. locations
- 1
- States / cities
- Charleston, South Carolina
- Conditions
- Arthritis, Rheumatoid, Vitamin D Deficiency
- Interventions
- Placebo in arm A and Vitamin D in arm B, vitamin D 3 for arm A ,and matching placebo for arm B
- Drug
- Lead sponsor
- Indiana University
- Other
- Eligibility
- 18 Years and older
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2011
- U.S. locations
- 1
- States / cities
- Indianapolis, Indiana
- Conditions
- Postmenopausal Osteoporosis
- Interventions
- Teriparatide, Risedronate, Placebo, Calcium, Vitamin D
- Drug
- Lead sponsor
- Eli Lilly and Company
- Industry
- Eligibility
- 45 Years and older · Female only
- Enrollment
- 1,366 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2016
- U.S. locations
- 30
- States / cities
- Birmingham, Alabama • Concord, California • Fresno, California + 27 more
- Conditions
- Ulcerative Colitis, Inflammatory Bowel Disease
- Interventions
- Vitamin D3, Placebo
- Drug · Other
- Lead sponsor
- University of Chicago
- Other
- Eligibility
- 18 Years and older
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2014
- U.S. locations
- 1
- States / cities
- Evanston, Illinois
- Conditions
- Osteoporosis, With or Without Treatment, Bisphosphonate Treatment, Atypical Femur Fracture, Bisphosphonate Related Osteonecrosis of the Jaws (BRONJ), Healthy Volunteers
- Interventions
- Not listed
- Lead sponsor
- University of Pennsylvania
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 314 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2012 – 2022
- U.S. locations
- 1
- States / cities
- Philadelphia, Pennsylvania
- Conditions
- Chronic Sinusitis
- Interventions
- Vitamin D
- Biological
- Lead sponsor
- Medical University of South Carolina
- Other
- Eligibility
- 14 Years and older
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013
- U.S. locations
- 1
- States / cities
- Charleston, South Carolina
- Conditions
- Pancreatic Cancer
- Interventions
- Gemcitabine, Nab-paclitaxel, Paricalcitol, Placebo
- Drug · Other
- Lead sponsor
- Dana-Farber Cancer Institute
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 36 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2024
- U.S. locations
- 2
- States / cities
- Boston, Massachusetts • Philadelphia, Pennsylvania
- Conditions
- Hypertension, Vitamin D Deficiency, Pre-Hypertension
- Interventions
- Cholecalciferol
- Drug
- Lead sponsor
- Massachusetts General Hospital
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 534 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010 – 2013
- U.S. locations
- 3
- States / cities
- Hartford, Connecticut • Boston, Massachusetts • Minneapolis, Minnesota
- Conditions
- Transplant; Failure, Kidney, Renal Disease, End Stage, Hyperparathyroidism, Secondary
- Interventions
- Paricalcitol, Corticosteroid Avoidance Immune Suppression Protocol
- Drug · Other
- Lead sponsor
- Mayo Clinic
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 100 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2011
- U.S. locations
- 2
- States / cities
- Scottsdale, Arizona • Rochester, Minnesota
- Conditions
- Spinal Cord Injury, Vitamin D Deficiency
- Interventions
- Vitamin D3
- Drug
- Lead sponsor
- James J. Peters Veterans Affairs Medical Center
- Federal
- Eligibility
- 18 Years to 75 Years
- Enrollment
- 88 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2016
- U.S. locations
- 1
- States / cities
- The Bronx, New York
- Conditions
- Soreness, Muscle, Performance Enhancing Product Use, Damage Muscle
- Interventions
- Pre-workout plus and protein recovery plus, Placebo
- Dietary Supplement · Other
- Lead sponsor
- Pharmanex
- Industry
- Eligibility
- 25 Years to 50 Years
- Enrollment
- 32 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2020
- U.S. locations
- 1
- States / cities
- Chapel Hill, North Carolina
- Conditions
- Breast Cancer, Osteoporosis
- Interventions
- calcium salts, cholecalciferol, zoledronic acid
- Dietary Supplement · Drug
- Lead sponsor
- Alliance for Clinical Trials in Oncology
- Other
- Eligibility
- 40 Years and older · Female only
- Enrollment
- 439 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2001 – 2009
- U.S. locations
- 107
- States / cities
- Arroyo Grande, California • La Jolla, California • Mountain View, California + 80 more
- Conditions
- Knee Osteoarthritis
- Interventions
- Stem Cell Support Formula, Placebo
- Dietary Supplement
- Lead sponsor
- Regenexx, LLC
- Industry
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 80 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2022
- U.S. locations
- 2
- States / cities
- Broomfield, Colorado • Lone Tree, Colorado