- Conditions
- Parkinson's Disease
- Interventions
- Vitamin D3, Vitamin D3 - high dose, Placebo
- Dietary Supplement
- Lead sponsor
- Emory University
- Other
- Eligibility
- 18 Years to 89 Years
- Enrollment
- 31 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2007 – 2015
- U.S. locations
- 1
- States / cities
- Atlanta, Georgia
Search Results
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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 1–24
of 436
matching trials from the live ClinicalTrials.gov search.
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- Conditions
- Nonalcoholic Steatohepatitis (NASH)
- Interventions
- LPCN 1144 Formulation A, LPCN 1144 Formulation B, Placebo
- Drug
- Lead sponsor
- Lipocine Inc.
- Industry
- Eligibility
- 18 Years to 80 Years · Male only
- Enrollment
- 56 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2021
- U.S. locations
- 19
- States / cities
- El Cajon, California • Murrieta, California • Rialto, California + 14 more
- Conditions
- Femur Neck Fracture
- Interventions
- Teriparatide, Placebo, Calcium supplementation, Vitamin D supplementation
- Drug · Dietary Supplement
- Lead sponsor
- Eli Lilly and Company
- Industry
- Eligibility
- 50 Years and older
- Enrollment
- 122 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2013
- U.S. locations
- 24
- States / cities
- Phoenix, Arizona • Tucson, Arizona • La Mesa, California + 21 more
- Conditions
- Cardiovascular Disease
- Interventions
- Vitamin D3 + fish oil/fish oil placebo, Vitamin D3 placebo + fish oil/fish oil placebo
- Dietary Supplement
- Lead sponsor
- Massachusetts General Hospital
- Other
- Eligibility
- 50 Years and older
- Enrollment
- 1,025 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010 – 2021
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Vitamin D Deficiency
- Interventions
- 1,000 IU vitamin D2, placebo capsule, mushrooms, UVB-treated mushrooms, 400 IU vitamin D2, UVB-treated mushrooms, 1,000 IU vitamin D2
- Dietary Supplement · Other
- Lead sponsor
- USDA, Western Human Nutrition Research Center
- Federal
- Eligibility
- 20 Years to 59 Years
- Enrollment
- 48 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010 – 2011
- U.S. locations
- 1
- States / cities
- Davis, California
- Conditions
- Weight Loss
- Interventions
- Curves Calcium, Placebo
- Dietary Supplement
- Lead sponsor
- Texas A&M University
- Other
- Eligibility
- 18 Years to 45 Years · Female only
- Enrollment
- 57 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009 – 2012
- U.S. locations
- 1
- States / cities
- College Station, Texas
- Conditions
- Ovarian Cancer, Fallopian Tube Cancer, Primary Peritoneal Cancer
- Interventions
- Arm A: Vitamin D3 Group, Placebo
- Dietary Supplement
- Lead sponsor
- Northwestern University
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 7 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2015
- U.S. locations
- 2
- States / cities
- Chicago, Illinois • Evanston, Illinois
- Conditions
- Diabetes Mellitus, Type 2
- Interventions
- pioglitazone, rosiglitazone, placebo, Vitamin D, Placebo
- Drug · Dietary Supplement
- Lead sponsor
- GlaxoSmithKline
- Industry
- Eligibility
- 50 Years and older
- Enrollment
- 1,332 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2010
- U.S. locations
- 23
- States / cities
- Long Beach, California • Los Angeles, California • Northridge, California + 19 more
- Conditions
- Schizophrenia, Schizoaffective Disorder
- Interventions
- Cholecalciferol, Placebo
- Drug
- Lead sponsor
- NYU Langone Health
- Other
- Eligibility
- 18 Years to 65 Years
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- Started 2015
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Hypogonadism, Diabetes, Sarcopenia, Osteoporosis, Depression
- Interventions
- Androgel (Testosterone Gel), Anastrozole (Aromatase Inhibitor), Placebo tablet, Placebo gel, Calcium Cardone 500mg with vitamin D 400 IU
- Drug · Dietary Supplement
- Lead sponsor
- National Institute on Aging (NIA)
- NIH
- Eligibility
- 65 Years and older · Male only
- Enrollment
- 44 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2004 – 2015
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- Conditions
- Irritable Bowel Syndrome, Vitamin D Deficiency, Abdominal Pain
- Interventions
- Vitamin D, placebo
- Dietary Supplement
- Lead sponsor
- Beth Israel Deaconess Medical Center
- Other
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 7 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2018
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Type 2 Diabetes
- Interventions
- Cholecalciferol, Placebo
- Drug
- Lead sponsor
- Tufts Medical Center
- Other
- Eligibility
- 25 Years to 75 Years
- Enrollment
- 127 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2015
- U.S. locations
- 2
- States / cities
- Boston, Massachusetts • Cincinnati, Ohio
- Conditions
- Damage Muscle, Body Weight Changes, Performance Enhancing Product Use
- Interventions
- Pre-workout plus and Protein recovery plus, Placebo, 6-week resistance training program
- Dietary Supplement · Other
- Lead sponsor
- Pharmanex
- Industry
- Eligibility
- 25 Years to 50 Years
- Enrollment
- 69 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2022
- U.S. locations
- 1
- States / cities
- Chapel Hill, North Carolina
- Conditions
- Musculoskeletal Pain
- Interventions
- Vitamin D 2, Vitamin D2 Placebo
- Drug
- Lead sponsor
- University of North Carolina, Chapel Hill
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 71 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023 – 2024
- U.S. locations
- 4
- States / cities
- Worcester, Massachusetts • St Louis, Missouri • Camden, New Jersey + 1 more
- Conditions
- Deficiency of Vitamin D3, COPD
- Interventions
- Cholecalciferol, multivitamin, Placebo
- Dietary Supplement
- Lead sponsor
- University of Pittsburgh
- Other
- Eligibility
- 50 Years to 85 Years
- Enrollment
- 10 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2018
- U.S. locations
- 1
- States / cities
- Pittsburgh, Pennsylvania
- Conditions
- Rheumatoid Arthritis, Hypovitaminosis D
- Interventions
- Vitamin D, placebo
- Dietary Supplement
- Lead sponsor
- University of Wisconsin, Madison
- Other
- Eligibility
- 18 Years to 90 Years
- Enrollment
- 22 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2005 – 2009
- U.S. locations
- 1
- States / cities
- Madison, Wisconsin
- 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
- Breast Cancer
- Interventions
- Celecoxib, Placebo, Cholecalciferol
- Drug
- Lead sponsor
- Hartford Hospital
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 45 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2008 – 2016
- U.S. locations
- 1
- States / cities
- Grand Forks, North Dakota
- Conditions
- Vitamin D Deficiency
- Interventions
- Placebo, 800 IU/day vitamin D supplementation with feedings in the first 28 days after birth, Usual Care
- Dietary Supplement · Other
- Lead sponsor
- The University of Texas Health Science Center, Houston
- Other
- Eligibility
- 24 Hours to 96 Hours
- Enrollment
- 180 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2027
- U.S. locations
- 1
- States / cities
- Houston, Texas
- Conditions
- Colorectal Polyps, Colorectal Adenoma, Adenocarcinoma
- Interventions
- placebo and Calcitriol, Calcium and Calcitriol
- Drug
- Lead sponsor
- Rockefeller University
- Other
- Eligibility
- 48 Years to 72 Years
- Enrollment
- 10 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2005 – 2009
- U.S. locations
- 1
- States / cities
- New York, New York
- 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
- HIV Infection
- Interventions
- Alendronate, Placebo, Calcium carbonate/vitamin D
- Drug · Dietary Supplement
- Lead sponsor
- National Institute of Allergy and Infectious Diseases (NIAID)
- NIH
- Eligibility
- 11 Years to 24 Years
- Enrollment
- 52 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2017
- U.S. locations
- 7
- States / cities
- Los Angeles, California • Miami, Florida • Tampa, Florida + 4 more
- Conditions
- Vitamin D Deficiency
- Interventions
- 400 IU vitamin D3, 2,000 IU Vitamin D3
- Dietary Supplement
- Lead sponsor
- USDA, Western Human Nutrition Research Center
- Federal
- Eligibility
- 18 Years to 45 Years · Female only
- Enrollment
- 60 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010 – 2013
- U.S. locations
- 2
- States / cities
- Davis, California • Sacramento, California
- Conditions
- Polycystic Ovary Syndrome
- Interventions
- Vitamin D, Placebo
- Dietary Supplement · Drug
- Lead sponsor
- Milton S. Hershey Medical Center
- Other
- Eligibility
- 18 Years to 45 Years · Female only
- Enrollment
- 36 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2014
- U.S. locations
- 1
- States / cities
- Hershey, Pennsylvania