- Conditions
- Polycystic Ovarian Syndrome, Vitamin D Deficiency
- Interventions
- Vitamin D2 (Ergocalciferol), Medroxyprogesterone (Provera), Vitamin D3 (Cholecalciferol), Elemental Calcium
- Dietary Supplement · Drug
- Lead sponsor
- Yale University
- Other
- Eligibility
- 18 Years to 40 Years · Female only
- Enrollment
- 36 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2013
- U.S. locations
- 1
- States / cities
- New Haven, Connecticut
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 49–72
of 217
matching trials from the live ClinicalTrials.gov search.
- Conditions
- Vitamin d Deficiency
- Interventions
- Blood draw pre-operatively, Blood draw post-operative Day 1, Blood draw post-operative Day 2
- Procedure
- Lead sponsor
- University of Missouri, Kansas City
- Other
- Eligibility
- 18 Years and older
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016
- U.S. locations
- 1
- States / cities
- Kansas City, Missouri
- Conditions
- Mineral Absorption
- Interventions
- Vitamin D
- Dietary Supplement
- Lead sponsor
- Baylor College of Medicine
- Other
- Eligibility
- 4 Years to 8 Years
- Enrollment
- 60 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009 – 2011
- U.S. locations
- 1
- States / cities
- Houston, Texas
- Conditions
- Weight Loss, Starvation
- Interventions
- Caloric Restriction, Post-Exercise Protein, Energy Balance, Post-Exercise Carbohydrate, Calcium and Vitamin D
- Other · Dietary Supplement
- Lead sponsor
- University of Nebraska Lincoln
- Other
- Eligibility
- 19 Years to 30 Years
- Enrollment
- 17 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018 – 2019
- U.S. locations
- 1
- States / cities
- Lincoln, Nebraska
- 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
- 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
- Conditions
- Hypertension, Vitamin D Deficiency
- Interventions
- Cholecalciferol
- Drug
- Lead sponsor
- Loyola University
- Other
- Eligibility
- 25 Years to 45 Years
- Enrollment
- 5 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018
- U.S. locations
- 1
- States / cities
- Maywood, Illinois
- 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
- Conditions
- Osteopenia, Osteoporosis
- Interventions
- Pamidronate, Calcium and vitamin D
- Drug
- Lead sponsor
- Masonic Cancer Center, University of Minnesota
- Other
- Eligibility
- 1 Year to 20 Years
- Enrollment
- 63 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2022
- U.S. locations
- 2
- States / cities
- Minneapolis, Minnesota • Seattle, Washington
- Conditions
- Age-Related Osteoporosis
- Interventions
- Teriparatide, Alendronate
- Drug
- Lead sponsor
- Madhumathi Rao
- Other
- Eligibility
- 40 Years and older
- Enrollment
- 60 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2027
- U.S. locations
- 1
- States / cities
- Lexington, Kentucky
- Conditions
- Anxiety Disorders and Symptoms, Fibromyalgia, Arthritis, Chronic Pain, Hypertension,Essential
- Interventions
- IV Vitamin Infused Therapy Treatment, Herbal medicine
- Dietary Supplement · Drug
- Lead sponsor
- Faith A. Richardson
- Other
- Eligibility
- 21 Years to 80 Years
- Enrollment
- 25 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025 – 2026
- U.S. locations
- 1
- States / cities
- Dover, Delaware
- Conditions
- Multiple Myeloma and Plasma Cell Neoplasm
- Interventions
- ascorbic acid, arsenic trioxide, bortezomib, dexamethasone, thalidomide, Aspirin
- Dietary Supplement · Drug
- Lead sponsor
- Barbara Ann Karmanos Cancer Institute
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 5 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2005 – 2008
- U.S. locations
- 1
- States / cities
- Detroit, Michigan
- Conditions
- Acute Promyelocytic Leukemia With t(15;17)(q24.1;q21.2); PML-RARA
- Interventions
- Arsenic Trioxide, Cytarabine, Dexamethasone, Idarubicin, Laboratory Biomarker Analysis, Mitoxantrone Hydrochloride, Quality-of-Life Assessment, Questionnaire Administration, Tretinoin
- Drug · Other
- Lead sponsor
- Children's Oncology Group
- Network
- Eligibility
- 12 Months to 21 Years
- Enrollment
- 158 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2029
- U.S. locations
- 152
- States / cities
- Birmingham, Alabama • Mobile, Alabama • Anchorage, Alaska + 121 more
- Conditions
- Vitamin D Insufficiency
- Interventions
- Vitamin D3
- Dietary Supplement
- Lead sponsor
- Boston University
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 39 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2018
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Bone Loss, Periodontitis
- Interventions
- Periodontal surgery, FORTEO, Placebo, Vitamin D and Calcium
- Procedure · Drug · Dietary Supplement
- Lead sponsor
- University of Michigan
- Other
- Eligibility
- 30 Years to 75 Years
- Enrollment
- 40 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2004 – 2009
- U.S. locations
- 1
- States / cities
- Ann Arbor, Michigan
- Conditions
- Low Bone Density
- Interventions
- Not listed
- Lead sponsor
- Yale University
- Other
- Eligibility
- 50 Years and older · Male only
- Enrollment
- 24 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2000 – 2008
- U.S. locations
- 1
- States / cities
- New Haven, Connecticut
- Conditions
- Vitamin D Deficiency, Type 2 Diabetes Mellitus, Cardiovascular Disease
- Interventions
- Vitamin D3, Calcium carbonate
- Dietary Supplement
- Lead sponsor
- Washington University School of Medicine
- Other
- Eligibility
- 50 Years to 70 Years
- Enrollment
- 86 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2018
- U.S. locations
- 1
- States / cities
- St Louis, Missouri
- Conditions
- Femoral Fracture, Fragility Fracture, Muscle Atrophy
- Interventions
- Essential Amino Acid Supplementation
- Combination Product
- Lead sponsor
- Michael C Willey
- Other
- Eligibility
- 65 Years and older
- Enrollment
- 60 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2026
- U.S. locations
- 2
- States / cities
- Iowa City, Iowa • Eugene, Oregon
- Conditions
- Vitamin Deficiency
- Interventions
- EZPAK, Placebo
- Dietary Supplement
- Lead sponsor
- Optimal Health Research
- Other
- Eligibility
- 26 Years to 75 Years
- Enrollment
- 275 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2019 – 2021
- U.S. locations
- 1
- States / cities
- Salt Lake City, Utah
- Conditions
- Premenstrual Syndrome
- Interventions
- Measures of calcium and bone turnover
- Procedure
- Lead sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
- NIH
- Eligibility
- 18 Years to 45 Years · Female only
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2000 – 2003
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Paget's Disease of the Bone, Hypocalcemia
- Interventions
- Reclast (ZOL446, zoledronic acid), Calcium, Vitamin D
- Drug · Dietary Supplement
- Lead sponsor
- Novartis Pharmaceuticals
- Industry
- Eligibility
- Not listed
- Enrollment
- 81 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2012
- U.S. locations
- 9
- States / cities
- Phoenix, Arizona • Tucson, Arizona • Gainesville, Georgia + 6 more
- Conditions
- Bone Metabolism Biomarkers, Bone Mineral Density, Physical Fitness
- Interventions
- Vitamin D3, Physical Activity
- Drug · Behavioral
- Lead sponsor
- University of Rochester
- Other
- Eligibility
- 18 Years to 99 Years · Female only
- Enrollment
- 191 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2026
- U.S. locations
- 1
- States / cities
- Rochester, New York
- Conditions
- Hip Fracture
- Interventions
- PUSH, Protein, Nutrition
- Behavioral · Dietary Supplement
- Lead sponsor
- University of Maryland, Baltimore
- Other
- Eligibility
- 60 Years and older
- Enrollment
- 20 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018 – 2020
- U.S. locations
- 2
- States / cities
- Baltimore, Maryland • Towson, Maryland
- Conditions
- Foot Injuries and Disorders
- Interventions
- NutraHeal, NutraHeal Plus
- Dietary Supplement
- Lead sponsor
- NutraHeal
- Industry
- Eligibility
- 20 Years to 80 Years
- Enrollment
- 46 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2023
- U.S. locations
- 3
- States / cities
- Altoona, Pennsylvania • Ebensburg, Pennsylvania • State College, Pennsylvania