- Conditions
- Hepatitis C
- Interventions
- Telaprevir, Peginterferon alfa-2a, Ribavirin, Vitamin D
- Drug · Dietary Supplement
- Lead sponsor
- Timothy Morgan, MD
- Other
- Eligibility
- 18 Years and older
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- Started 2013
- U.S. locations
- 4
- States / cities
- Long Beach, California • Minneapolis, Minnesota • Kansas City, Missouri + 1 more
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 958
matching trials from the live ClinicalTrials.gov search.
- Conditions
- Mild Cognitive Impairment
- Interventions
- BBH-1001 Brain Health Supplement, Lifestyle Intervention, Brain Health Placebo
- Dietary Supplement · Other
- Lead sponsor
- Cedars-Sinai Medical Center
- Other
- Eligibility
- 55 Years and older
- Enrollment
- 150 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2019
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- Osteoporosis, Osteopenia
- Interventions
- dried plum, Calcium and vitamin D
- Dietary Supplement
- Lead sponsor
- San Diego State University
- Other
- Eligibility
- 50 Years to 79 Years · Male only
- Enrollment
- 66 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2016 – 2019
- U.S. locations
- 1
- States / cities
- San Diego, California
- Conditions
- Urticaria, Angioedema, Hives, Swelling
- Interventions
- High Dose Vitamin D3, Low Dose Vitamin D3
- Drug
- Lead sponsor
- University of Nebraska
- Other
- Eligibility
- 19 Years and older
- Enrollment
- 42 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2013
- U.S. locations
- 1
- States / cities
- Omaha, Nebraska
- Conditions
- Chronic Sinusitis
- Interventions
- vitamin D placebo, Vitamin D
- Dietary Supplement
- Lead sponsor
- University of Chicago
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2011
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
- Conditions
- Vitamin D Deficiency, Metabolic Syndrome, Prediabetes
- Interventions
- Mushroom with 600 IU vitamin D2, Mushroom with 4000 IU Vitamin D2, 600 IU Vitamin D3 and untreated mushroom, 4000 IU Vitamin D3 and untreated mushroom, Placebo
- Dietary Supplement · Drug
- Lead sponsor
- Icahn School of Medicine at Mount Sinai
- Other
- Eligibility
- 30 Years to 90 Years
- Enrollment
- 47 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2013
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Leukemia, Lymphoblastic, Acute, Osteoporosis
- Interventions
- Calcium carbonate (Tums), vitamin D, Placebo
- Drug · Other
- Lead sponsor
- St. Jude Children's Research Hospital
- Other
- Eligibility
- Not listed
- Enrollment
- 429 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2000 – 2011
- U.S. locations
- 3
- States / cities
- Memphis, Tennessee
- Conditions
- Chronic Kidney Disease, Secondary Hyperparathyroidism, Chronic Renal Insufficiency, Chronic Renal Failure
- Interventions
- CTAP201 Injection, Doxercalciferol
- Drug
- Lead sponsor
- OPKO IP Holdings II, Inc.
- Industry
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 24 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2009
- U.S. locations
- 6
- States / cities
- Peoria, Arizona • Springfield, Massachusetts • Cincinnati, Ohio + 3 more
- Conditions
- Ulcerative Colitis
- Interventions
- Nutrition supplement, Placebo supplement
- Dietary Supplement
- Lead sponsor
- Baptist Memorial Health Care Corporation
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018
- U.S. locations
- 1
- States / cities
- Memphis, Tennessee
- Conditions
- Secondary Hyperparathyroidism Due to Renal Causes, Chronic Kidney Diseases, Vitamin D Deficiency, Stage 5 Chronic Kidney Disease
- Interventions
- Calcifediol Oral Capsule, Placebo oral capsule
- Drug
- Lead sponsor
- OPKO Health, Inc.
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 44 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2021
- U.S. locations
- 18
- States / cities
- Peoria, Arizona • Phoenix, Arizona • Cypress, California + 13 more
- Conditions
- Heart Failure, Vitamin D Deficiency, Cardiomyopathy, Congestive Heart Failure
- Interventions
- Placebo Comparator: Sugar Pill, Vitamin D3 (cholecalciferol)
- Drug
- Lead sponsor
- Heidi Moretti, MS, RD
- Other
- Eligibility
- Not listed
- Enrollment
- 40 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2015
- U.S. locations
- 2
- States / cities
- Missoula, Montana
- Conditions
- Prediabetes, Prehypertension
- Interventions
- Vitamin D supplementation
- Other
- Lead sponsor
- Pennington Biomedical Research Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 18 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2012 – 2013
- U.S. locations
- 7
- States / cities
- Baton Rouge, Louisiana • Covington, Louisiana • Durham, North Carolina + 1 more
- Conditions
- Rhinitis
- Interventions
- Vitamin D versus placebo
- Dietary Supplement
- Lead sponsor
- Rohr and Columbo Asthma, Allergy and Immunology Specialists, P.C.
- Other
- Eligibility
- 65 Years and older
- Enrollment
- 15 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2013 – 2014
- U.S. locations
- 2
- States / cities
- Bryn Mawr, Pennsylvania
- Conditions
- Obesity, Vitamin D Deficiency, Psychosis, Schizophrenia, Schizoaffective Disorder
- Interventions
- Ergocalciferols
- Drug
- Lead sponsor
- University of Massachusetts, Worcester
- Other
- Eligibility
- 10 Years to 18 Years
- Enrollment
- 12 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2010
- U.S. locations
- 1
- States / cities
- Worcester, Massachusetts
- Conditions
- Male Osteoporosis
- Interventions
- Teriparatide or human parathyroid hormone (PTH) 1-34, Cinacalcet, placebo tablet, Calcium citrate tablet, Vitamin D3
- Drug · Dietary Supplement
- Lead sponsor
- VA Office of Research and Development
- Federal
- Eligibility
- 60 Years to 85 Years · Male only
- Enrollment
- 40 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2025
- U.S. locations
- 1
- States / cities
- San Francisco, California
- Conditions
- Kidney Transplantation, Vitamin D Deficiency
- Interventions
- Standard vitamin D3 treatment, High dose vitamin D3 treatment
- Dietary Supplement
- Lead sponsor
- University of Nebraska
- Other
- Eligibility
- 19 Years and older
- Enrollment
- 116 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2023
- U.S. locations
- 1
- States / cities
- Omaha, Nebraska
- Conditions
- Obesity in Children, Bone Strength, GLP - 1, Lifestyle Modification, Bone Density, Obesity
- Interventions
- GLP-1 receptor agonist, Lifestyle intervention
- Drug · Behavioral
- Lead sponsor
- University of Virginia
- Other
- Eligibility
- 12 Years to 21 Years
- Enrollment
- 120 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2030
- U.S. locations
- 1
- States / cities
- Charlottesville, Virginia
- Conditions
- Overweight and Obesity, Vitamin D Deficiency, Magnesium Deficiency, Cardiovascular Risk Factor
- Interventions
- Vitamin D and magnesium, Vitamin D, Placebo
- Dietary Supplement
- Lead sponsor
- Drexel University
- Other
- Eligibility
- 30 Years to 70 Years
- Enrollment
- 109 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2016 – 2021
- U.S. locations
- 1
- States / cities
- Philadelphia, Pennsylvania
- Conditions
- Type 2 Diabetes, Obesity
- Interventions
- Calcitriol, Placebo
- Drug
- Lead sponsor
- Brigham and Women's Hospital
- Other
- Eligibility
- 18 Years to 70 Years
- Enrollment
- 41 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2015
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Peyronie's Disease
- Interventions
- Vitamin D2, Vitamin E, Testosterone Pellets
- Drug
- Lead sponsor
- Men's Health Boston
- Other
- Eligibility
- 18 Years to 70 Years · Male only
- Enrollment
- 75 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2013 – 2017
- U.S. locations
- 1
- States / cities
- Chestnut Hill, Massachusetts
- Conditions
- Hypocalcemia, Pseudohypoparathyroidism, Osteomalacia, Rickets, Pseudopseudohpoparathyroidism
- Interventions
- Not listed
- Lead sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
- NIH
- Eligibility
- 2 Months to 100 Years
- Enrollment
- 70 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 1997 – 2022
- U.S. locations
- 1
- States / cities
- Bethesda, Maryland
- Conditions
- Vitamin D Deficiency
- Interventions
- Prenatal Vitamin, Cholecalciferol (Vitamin D3)
- Drug
- Lead sponsor
- Children's Hospital Medical Center, Cincinnati
- Other
- Eligibility
- 18 Years to 45 Years · Female only
- Enrollment
- 192 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2008 – 2012
- U.S. locations
- 1
- States / cities
- Cincinnati, Ohio
- Conditions
- Degenerative Joint Disease, Osteoarthritis
- Interventions
- musculoskeletal
- Other
- Lead sponsor
- Mary O'Connor
- Other
- Eligibility
- 65 Years to 75 Years
- Enrollment
- 20 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2011 – 2014
- U.S. locations
- 1
- States / cities
- Jacksonville, Florida
- Conditions
- Osteoporosis, Osteopenia
- Interventions
- Nitroglycerin ointment, Calcium supplement with vitamin D
- Drug
- Lead sponsor
- National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
- NIH
- Eligibility
- 40 Years to 65 Years · Female only
- Enrollment
- 200 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2002 – 2007
- U.S. locations
- 1
- States / cities
- New Brunswick, New Jersey