- 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
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 505–528
of 960
matching trials from the live ClinicalTrials.gov search.
- Conditions
- Vitamin D Deficiency
- Interventions
- Sun Exposure
- Behavioral
- Lead sponsor
- Creighton University
- Other
- Eligibility
- 19 Years to 50 Years
- Enrollment
- 6 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2007
- U.S. locations
- 1
- States / cities
- Omaha, Nebraska
- Conditions
- Prostate Cancer
- Interventions
- Prostate Health Cocktail
- Drug
- Lead sponsor
- University of Southern California
- Other
- Eligibility
- 18 Years and older · Male only
- Enrollment
- 43 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2014
- U.S. locations
- 1
- States / cities
- Los Angeles, California
- Conditions
- Muscle Strength, Sarcopenia
- Interventions
- Placebo, Vitamin D, Beta-hydroxy-Beta-methylbutyrate, Beta-hydroxy-Beta-methylbutyrate and Vitamin D
- Dietary Supplement · Drug
- Lead sponsor
- Metabolic Technologies Inc.
- Industry
- Eligibility
- 60 Years and older
- Enrollment
- 76 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2008 – 2013
- U.S. locations
- 2
- States / cities
- Ames, Iowa • Brookings, South Dakota
- Conditions
- Androgen Independent Prostate Cancer (AIPC), Non Small Cell Lung Cancer (NSCLC)
- Interventions
- DN-101 (calcitriol) - Drug
- Drug
- Lead sponsor
- Novacea
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 25 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2006 – 2008
- U.S. locations
- 11
- States / cities
- Berkeley, California • San Francisco, California • Vallejo, California + 6 more
- Conditions
- Bariatric Surgery Candidate
- Interventions
- Zoledronic Acid, Calcium citrate + vitamin D, Vitamin D3
- Drug · Dietary Supplement
- Lead sponsor
- Massachusetts General Hospital
- Other
- Eligibility
- 25 Years to 100 Years
- Enrollment
- 6 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2020
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Chronic Kidney Disease, Hyperparathyroidism, Secondary, Vitamin D Deficiency
- Interventions
- CTAP101 30 μg capsules, Sugar pill to CTAP101 30 μg capsules
- Drug · Other
- Lead sponsor
- OPKO IP Holdings II, Inc.
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 213 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2014
- U.S. locations
- 1
- States / cities
- Bannockburn, Illinois
- Conditions
- Spinal Cord Injury, Bone Loss, Osteoporosis
- Interventions
- Alendronate, Calcium, Vitamin D
- Drug · Dietary Supplement
- Lead sponsor
- Northwestern University
- Other
- Eligibility
- 21 Years and older
- Enrollment
- 17 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2016
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
- Conditions
- CKD Stage 3, CKD Stage 4, Secondary Hyperparathyroidism, VDI
- Interventions
- CTAP101
- Drug
- Lead sponsor
- OPKO Health, Inc.
- Industry
- Eligibility
- 1 Month to 17 Years
- Enrollment
- 40 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2028
- U.S. locations
- 5
- States / cities
- Kansas City, Missouri • Columbus, Ohio • Philadelphia, Pennsylvania + 2 more
- Conditions
- Hypovitaminosis D
- Interventions
- Cholecalciferol, Placebo
- Dietary Supplement
- Lead sponsor
- Massachusetts General Hospital
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
- Conditions
- Juvenile Rheumatoid Arthritis
- Interventions
- Cholecalciferol, Calcium, Calcium and cholecalciferol, Placebo
- Dietary Supplement · Drug
- Lead sponsor
- University of Missouri-Columbia
- Other
- Eligibility
- 3 Years to 15 Years
- Enrollment
- 24 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 1995 – 2002
- U.S. locations
- 1
- States / cities
- Columbia, Missouri
- 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
- Cancer
- Interventions
- 1,25 (OH)2 D3, Inspiratory isometric resistance training, Oral Placebo, Sham Inspiratory Isometric Resistance Training, Threshold Inspiratory Muscle Trainer (IMT)
- Drug · Other · Device
- Lead sponsor
- Mayo Clinic
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 63 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2020
- U.S. locations
- 1
- States / cities
- Rochester, Minnesota
- Conditions
- Nephrolithiasis, Urolithiasis, Idiopathic Hypercalciuria, Vitamin D Deficiency, Disorder of Vitamin D
- Interventions
- Ergocalciferol
- Drug
- Lead sponsor
- New York Presbyterian Hospital
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2011
- U.S. locations
- 1
- States / cities
- New York, New York
- 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
- Hypovitaminosis D, Insulin Resistance, Diabetes
- Interventions
- Vitamin D3
- Dietary Supplement
- Lead sponsor
- Bastyr University
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 66 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010 – 2011
- U.S. locations
- 2
- States / cities
- Kailua-Kona, Hawaii • Kenmore, Washington
- Conditions
- Multiple Sclerosis
- Interventions
- Phototherapy
- Device
- Lead sponsor
- University of Illinois at Urbana-Champaign
- Other
- Eligibility
- 18 Years to 64 Years · Female only
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2016
- U.S. locations
- 1
- States / cities
- Urbana, Illinois
- Conditions
- End Stage Renal Disease
- Interventions
- ergocalciferol supplementation, placebo
- Dietary Supplement · Other
- Lead sponsor
- Dialysis Clinic, Inc.
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 470 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2011 – 2015
- U.S. locations
- 12
- States / cities
- Redding, California • Albany, Georgia • Shreveport, Louisiana + 9 more
- Conditions
- Health and Wellbeing
- Interventions
- Multivitamin Supplement
- Dietary Supplement
- Lead sponsor
- Love Wellness
- Industry
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 40 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024
- U.S. locations
- 1
- States / cities
- Santa Monica, California
- Conditions
- Skin Irritation
- Interventions
- 4 placebo, 4 Vitamin D, Valchlor
- Dietary Supplement · Drug
- Lead sponsor
- University Hospitals Cleveland Medical Center
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 33 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2018
- U.S. locations
- 1
- States / cities
- Cleveland, Ohio
- 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
- Congestive Heart Failure, Ischemic Cardiomyopathy
- Interventions
- Micronutrients
- Drug
- Lead sponsor
- Phoenix VA Health Care System
- Federal
- Eligibility
- 18 Years to 89 Years
- Enrollment
- 40 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2010 – 2016
- U.S. locations
- 1
- States / cities
- Phoenix, Arizona
- Conditions
- Healthy Volunteers
- Interventions
- Single High Dose Cholecalciferol, Daily Dose Cholecalciferol
- Dietary Supplement
- Lead sponsor
- Mayo Clinic
- Other
- Eligibility
- 18 Years to 40 Years · Female only
- Enrollment
- 40 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010
- U.S. locations
- 1
- States / cities
- Rochester, Minnesota
- Conditions
- COVID-19
- Interventions
- Resveratrol, Vitamin D3
- Drug · Dietary Supplement
- Lead sponsor
- Marvin McCreary, MD
- Other
- Eligibility
- 45 Years and older
- Enrollment
- 105 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020 – 2021
- U.S. locations
- 1
- States / cities
- Columbus, Ohio