- Conditions
- Hemophilia A, Hemophilia B, Vitamin D Deficiency
- Interventions
- Vitamin D and calcium
- Dietary Supplement
- Lead sponsor
- Virginia Commonwealth University
- Other
- Eligibility
- 2 Years to 21 Years · Male only
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2015
- U.S. locations
- 1
- States / cities
- Richmond, Virginia
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 are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
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Showing 25–48
of 24
matching trials from the live ClinicalTrials.gov search.
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- Conditions
- Polycystic Ovary Syndrome, Hormone Imbalance
- Interventions
- Optify Myo Inositol and D-Chiro Inositol Plus Folate and Vitamin D supplement
- Dietary Supplement
- Lead sponsor
- Optify
- Other
- Eligibility
- 18 Years to 55 Years · Female only
- Enrollment
- 40 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023 – 2024
- U.S. locations
- 1
- States / cities
- Santa Monica, California
- Conditions
- Obesity
- Interventions
- Vitamin D3
- Dietary Supplement
- Lead sponsor
- Mayo Clinic
- Other
- Eligibility
- 12 Years to 18 Years
- Enrollment
- 51 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009 – 2012
- U.S. locations
- 1
- States / cities
- Rochester, Minnesota
- Conditions
- Vitamin D Deficiency, Short Bowel Syndrome
- Interventions
- Ultraviolet B lamp
- Device
- Lead sponsor
- University of Nebraska
- Other
- Eligibility
- 19 Years and older
- Enrollment
- 11 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2015
- U.S. locations
- 1
- States / cities
- Omaha, Nebraska
- Conditions
- Cancer Cachexia, Vitamin D Deficiency
- Interventions
- Vitamin D, Placebo
- Dietary Supplement
- Lead sponsor
- David Travis Thomas
- Other
- Eligibility
- 45 Years to 75 Years
- Enrollment
- 1 participant
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018
- U.S. locations
- 1
- States / cities
- Lexington, Kentucky
- Conditions
- Inflammatory Bowel Diseases, Vitamin D Deficiency
- Interventions
- Vitamin D (ergocalciferol and/ or cholecalciferol)
- Dietary Supplement
- Lead sponsor
- Cedars-Sinai Medical Center
- Other
- Eligibility
- 18 Years to 85 Years
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2018
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- Colorectal Cancer, Colon Cancer
- Interventions
- Aspirin, Vitamin D, Diet, Physical Activity, Behavioral Support Counseling Sessions
- Drug · Dietary Supplement · Other + 1 more
- Lead sponsor
- M.D. Anderson Cancer Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 16 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2026
- U.S. locations
- 1
- States / cities
- Houston, Texas
- Conditions
- Osteopenia
- Interventions
- resistance exercise, plyometric exercise
- Other
- Lead sponsor
- University of Missouri-Columbia
- Other
- Eligibility
- 25 Years to 60 Years · Male only
- Enrollment
- 38 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2013
- U.S. locations
- 1
- States / cities
- Columbia, Missouri
- Conditions
- Vitamin D Deficiency, Vitamin D Insufficiency
- Interventions
- Vitamin D, Placebo, Standard of Care
- Dietary Supplement · Other
- Lead sponsor
- Johns Hopkins University
- Other
- Eligibility
- 18 Years to 64 Years
- Enrollment
- 70 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- Conditions
- Complications of Bariatric Procedures, Avitaminosis
- Interventions
- Chewable Multivitamin with Iron, PatchMD Vitamin D3/Calcium Patch, PatchMD Multivitamin Patch, PatchMD B12 Energy Plus Patch, Chewable Calcium, Quick Dissolve B12
- Dietary Supplement
- Lead sponsor
- California State Polytechnic University, Pomona
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 30 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2016 – 2017
- U.S. locations
- 1
- States / cities
- Brea, California
- Conditions
- Urticaria
- Interventions
- Vitamin D (4,000 IU/day), Vitamin D (400 IU/day), Omalizumab
- Dietary Supplement · Drug
- Lead sponsor
- Selina Gierer, D.O.
- Other
- Eligibility
- 18 Years and older
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2019
- U.S. locations
- 1
- States / cities
- Kansas City, Kansas
- Conditions
- Prematurity; Extreme
- Interventions
- Vitamin D supplementation, No additional vitamin D supplementation
- Dietary Supplement · Other
- Lead sponsor
- University of Alabama at Birmingham
- Other
- Eligibility
- 1 Day to 4 Days
- Enrollment
- 126 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2027
- U.S. locations
- 1
- States / cities
- Birmingham, Alabama
- Conditions
- Osteoporosis
- Interventions
- Calcium and vitamin D supplementation
- Dietary Supplement
- Lead sponsor
- Winthrop University Hospital
- Other
- Eligibility
- 45 Years to 85 Years · Female only
- Enrollment
- 78 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2008 – 2011
- U.S. locations
- 1
- States / cities
- Mineola, New York
- Conditions
- Frailty, Weakness, Muscle, Multiple Chronic Conditions
- Interventions
- Beta-hydroxymethyl butyrate supplement, Vitamin D supplement, Matching Beta-hydroxymethyl butyrate supplement without Vitamin D
- Dietary Supplement
- Lead sponsor
- University of North Carolina, Chapel Hill
- Other
- Eligibility
- 65 Years to 85 Years
- Enrollment
- 25 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2026
- U.S. locations
- 1
- States / cities
- Chapel Hill, North Carolina
- Conditions
- Hypoparathyroidism
- Interventions
- rhPTH (1-84), Placebo
- Biological
- Lead sponsor
- Shire
- Industry
- Eligibility
- 18 Years to 85 Years
- Enrollment
- 93 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2022
- U.S. locations
- 6
- States / cities
- Chicago, Illinois • Detroit, Michigan • Rochester, Minnesota + 3 more
- Conditions
- Weight Loss, Vitamin D or Placebo
- Interventions
- Weight Loss, Vitamin D 2500 IU, Weight Maintenance
- Behavioral · Dietary Supplement
- Lead sponsor
- Rutgers University
- Other
- Eligibility
- 50 Years to 72 Years · Female only
- Enrollment
- 83 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2007 – 2011
- U.S. locations
- 1
- States / cities
- New Brunswick, New Jersey
- Conditions
- Osteoporosis, Osteopenia
- Interventions
- Dried Plum, 800 IU vitamin D and 450mg elemental calcium
- Dietary Supplement
- Lead sponsor
- Florida State University
- Other
- Eligibility
- 50 Years to 80 Years · Male only
- Enrollment
- 62 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2022
- U.S. locations
- 1
- States / cities
- Tallahassee, Florida
- Conditions
- Osteoporosis
- Interventions
- Alendronate
- Drug
- Lead sponsor
- Medical University of South Carolina
- Other
- Eligibility
- 5 Years to 15 Years
- Enrollment
- 22 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2003 – 2009
- U.S. locations
- 1
- States / cities
- Charleston, South Carolina
- Conditions
- Anorexia Nervosa
- Interventions
- RhIGF-1 with transdermal 17-beta estradiol, Placebo and transdermal 17-beta estradiol
- Drug
- Lead sponsor
- Massachusetts General Hospital
- Other
- Eligibility
- 14 Years to 22 Years · Female only
- Enrollment
- 75 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2011 – 2020
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Postmenopausal Osteoporosis, Gut Microbiota, Cardiovascular Diseases
- Interventions
- blackcurrant (BC) extract
- Drug
- Lead sponsor
- University of Connecticut
- Other
- Eligibility
- 45 Years to 60 Years · Female only
- Enrollment
- 51 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2022
- U.S. locations
- 1
- States / cities
- Storrs, Connecticut
- Conditions
- Breast Cancer, Prostate Cancer, Bone Neoplasms, Hypocalcemia, Hyperparathyroidism, Secondary
- Interventions
- CTAP101 Capsules
- Drug
- Lead sponsor
- OPKO Health, Inc.
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 33 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2017
- U.S. locations
- 6
- States / cities
- Long Beach, California • Miami, Florida • Evergreen Park, Illinois + 3 more
- Conditions
- Vitamin D and Calcium Homeostasis
- Interventions
- Rifampin, Clarithromycin, Grapefruit Juice, Placebo
- Drug · Other
- Lead sponsor
- University of Washington
- Other
- Eligibility
- 18 Years to 60 Years
- Enrollment
- 92 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2014 – 2020
- U.S. locations
- 1
- States / cities
- Seattle, Washington
- Conditions
- Cerebral Palsy
- Interventions
- HMB + Vitamin D3
- Dietary Supplement
- Lead sponsor
- Gillette Children's Specialty Healthcare
- Other
- Eligibility
- 13 Years to 17 Years
- Enrollment
- 7 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2024
- U.S. locations
- 1
- States / cities
- Saint Paul, Minnesota
- Conditions
- Periodontal Disease, Vitamin D Deficiency
- Interventions
- Cholecalciferol, Placebo
- Drug
- Lead sponsor
- Augusta University
- Other
- Eligibility
- 18 Years to 60 Years
- Enrollment
- 24 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2014 – 2015
- U.S. locations
- 1
- States / cities
- Augusta, Georgia