- Conditions
- Vitamin D Deficiency
- Interventions
- cholecalciferol.
- Drug
- Lead sponsor
- Creighton University
- Other
- Eligibility
- 19 Years and older
- Enrollment
- 40 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2006 – 2007
- U.S. locations
- 1
- States / cities
- Omaha, Nebraska
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 697–720
of 960
matching trials from the live ClinicalTrials.gov search.
- Conditions
- Myelodysplastic Syndrome
- Interventions
- DN-101 (calcitriol)
- Drug
- Lead sponsor
- Novacea
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 46 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2002 – 2004
- U.S. locations
- 10
- States / cities
- Hoover, Alabama • San Francisco, California • Tampa, Florida + 7 more
- Conditions
- Vitamin D Deficiency
- Interventions
- Not listed
- Lead sponsor
- Creighton University
- Other
- Eligibility
- 18 Years to 60 Years
- Enrollment
- 40 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010
- U.S. locations
- 1
- States / cities
- Omaha, Nebraska
- Conditions
- Vitamin D Deficiency
- Interventions
- Vitamin D
- Dietary Supplement
- Lead sponsor
- Yale University
- Other
- Eligibility
- 6 Months to 6 Years
- Enrollment
- 193 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010 – 2013
- U.S. locations
- 1
- States / cities
- New Haven, Connecticut
- Conditions
- Dysphagia, Fecal Incontinence, Urinary Incontinence
- Interventions
- Ergocalciferol (vitamin D2)
- Other
- Lead sponsor
- University of Wisconsin, Madison
- Other
- Eligibility
- 70 Years and older
- Enrollment
- 50 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- Started 2006
- U.S. locations
- 1
- States / cities
- Madison, Wisconsin
- Conditions
- Breast Cancer
- Interventions
- High Dose Vitamin D, Placebo, Standard Dose Vitamin D3, Letrozole 2.5mg
- Dietary Supplement · Drug
- Lead sponsor
- Qamar Khan
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 160 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2011
- U.S. locations
- 2
- States / cities
- Westwood, Kansas • Wichita, Kansas
- 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
- PCOS, Depression, Vitamin D Deficiency, Insulin Resistance
- Interventions
- Metformin, Vitamin D
- Drug
- Lead sponsor
- University of California, San Francisco
- Other
- Eligibility
- 18 Years to 45 Years · Female only
- Enrollment
- 5 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2019
- U.S. locations
- 1
- States / cities
- San Francisco, California
- 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
- 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
- Post-Acute COVID-19 Syndrome, Fatigue
- Interventions
- Dietary intervention to mitigate Post-Acute COVID-19 Syndrome, Attention Control
- Other
- Lead sponsor
- University of Maryland, Baltimore
- Other
- Eligibility
- 50 Years to 94 Years
- Enrollment
- 56 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2028
- U.S. locations
- 1
- States / cities
- Baltimore, Maryland
- Conditions
- Osteoporosis, Osteoporosis, Postmenopausal, Osteoporosis Fracture
- Interventions
- Romosozumab, Placebo, Zoledronic acid, Calcium and Vitamin D
- Drug · Dietary Supplement
- Lead sponsor
- Susan L. Greenspan
- Other
- Eligibility
- 65 Years and older · Female only
- Enrollment
- 184 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2027
- U.S. locations
- 1
- States / cities
- Pittsburgh, Pennsylvania
- Conditions
- Vitamin D Deficiency
- Interventions
- Vitamin D and Calcium
- Dietary Supplement
- Lead sponsor
- CONRAD
- Other
- Eligibility
- 21 Years to 50 Years · Female only
- Enrollment
- 22 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2014 – 2015
- U.S. locations
- 1
- States / cities
- Norfolk, Virginia
- Conditions
- Thalassemia Major
- Interventions
- Vitamin D3, Placebo
- Drug
- Lead sponsor
- Weill Medical College of Cornell University
- Other
- Eligibility
- 6 Years to 60 Years
- Enrollment
- 40 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2014
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Muscle Function, Muscle Soreness, Vitamin D Status
- Interventions
- Vitamin D2 mushroom powder, Placebo
- Dietary Supplement · Other
- Lead sponsor
- Appalachian State University
- Other
- Eligibility
- 20 Years to 40 Years · Male only
- Enrollment
- 33 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2012 – 2013
- U.S. locations
- 3
- States / cities
- Kannapolis, North Carolina
- Conditions
- Cystic Fibrosis
- Interventions
- d6-25-hydroxyvitamin D3
- Drug
- Lead sponsor
- University of Washington
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 10 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2023
- U.S. locations
- 1
- States / cities
- Seattle, Washington
- Conditions
- Eosinophilic Esophagitis
- Interventions
- Bone Mineral Density (DEXA) scan, Vitamin D Measurement, Height measurement, Assessment of medication compliance
- Diagnostic Test · Other
- Lead sponsor
- Arkansas Children's Hospital Research Institute
- Other
- Eligibility
- 5 Years to 12 Years
- Timeline
- 2018 – 2020
- U.S. locations
- 1
- States / cities
- Little Rock, Arkansas
- Conditions
- Coronary Calcification, Endstage Renal Disease, Parathyroid Hormone
- Interventions
- Doxercalciferol administration, Doxercalciferol administered by 1-84-7-84
- Drug
- Lead sponsor
- Southeast Renal Research Institute
- Other
- Eligibility
- 18 Years to 80 Years
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2009
- U.S. locations
- 1
- States / cities
- Charlotte, North Carolina
- Conditions
- Osteogenesis Imperfecta
- Interventions
- Setrusumab, Placebo
- Biological · Other
- Lead sponsor
- Ultragenyx Pharmaceutical Inc
- Industry
- Eligibility
- 5 Years to 25 Years
- Enrollment
- 183 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2027
- U.S. locations
- 22
- States / cities
- Little Rock, Arkansas • Los Angeles, California • Sacramento, California + 19 more
- Conditions
- Obesity, Vitamin D Deficiency
- Interventions
- Vitamin D3 and Calcium
- Dietary Supplement
- Lead sponsor
- Vadim Sherman, MD
- Other
- Eligibility
- 18 Years to 65 Years · Female only
- Enrollment
- 37 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2011 – 2015
- U.S. locations
- 1
- States / cities
- Houston, Texas
- Conditions
- Autoimmune Diseases, Systemic Inflammatory Process, Knee Pain Chronic, Osteoarthritis, Rheumatoid Arthritis
- Interventions
- Fish Oil, Vitamin D, placebo pill
- Drug · Dietary Supplement · Other
- Lead sponsor
- Brigham and Women's Hospital
- Other
- Eligibility
- 50 Years and older
- Enrollment
- 25,871 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010 – 2025
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Secondary Hyperparathyroidism, Chronic Kidney Disease
- Interventions
- Paricalcitol, Ergocalciferol
- Drug
- Lead sponsor
- Salem Veterans Affairs Medical Center
- Federal
- Eligibility
- 18 Years and older
- Enrollment
- 80 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2011
- U.S. locations
- 1
- States / cities
- Salem, Virginia
- Conditions
- Colorectal Adenocarcinoma
- Interventions
- Bevacizumab, Oxaliplatin, Leucovorin Calcium, Fluorouracil, Irinotecan Hydrochloride, Irinotecan, Cholecalciferol, Quality-of-Life Assessment, Questionnaire Administration
- Drug · Dietary Supplement · Other
- Lead sponsor
- Alliance for Clinical Trials in Oncology
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 455 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2027
- U.S. locations
- 1027
- States / cities
- Birmingham, Alabama • Anchorage, Alaska • Fairbanks, Alaska + 676 more
- Conditions
- Obesity and Overweight
- Interventions
- Postbiotic, Placebo
- Dietary Supplement
- Lead sponsor
- ResBiotic Nutrition, Inc.
- Industry
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 80 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025 – 2026
- U.S. locations
- 1
- States / cities
- Birmingham, Alabama