- Conditions
- Colorectal Cancer
- Interventions
- calcium carbonate, cholecalciferol, immunohistochemistry staining method, laboratory biomarker analysis, pharmacological study, biopsy
- Dietary Supplement · Other · Procedure
- Lead sponsor
- Roswell Park Cancer Institute
- Other
- Eligibility
- 18 Years to 120 Years
- Enrollment
- 8 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2006 – 2009
- U.S. locations
- 1
- States / cities
- Buffalo, New York
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 913–936
of 960
matching trials from the live ClinicalTrials.gov search.
- Conditions
- Obesity
- Interventions
- Oral vitamin D3, Placebo equivalent
- Dietary Supplement
- Lead sponsor
- Winthrop University Hospital
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 57 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009 – 2011
- U.S. locations
- 1
- States / cities
- Mineola, New York
- Conditions
- Colorectal Cancer
- Interventions
- Magnesium glycinate, Placebo
- Dietary Supplement
- Lead sponsor
- Vanderbilt University Medical Center
- Other
- Eligibility
- 40 Years to 85 Years
- Enrollment
- 180 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2014 – 2016
- U.S. locations
- 1
- States / cities
- Nashville, Tennessee
- Conditions
- Food Allergy in Children
- Interventions
- Skin tape stripping, Skin barrier assessment, Blood draw
- Diagnostic Test · Device
- Lead sponsor
- National Jewish Health
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 160 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2020
- U.S. locations
- 1
- States / cities
- Denver, Colorado
- Conditions
- Hyperparathyroidism, Secondary
- Interventions
- doxercalciferol
- Drug
- Lead sponsor
- Emory University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 12 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2008 – 2010
- U.S. locations
- 1
- States / cities
- Atlanta, Georgia
- Conditions
- Cerebral Palsy
- Interventions
- HMB + Vitamin D3
- Dietary Supplement
- Lead sponsor
- Gillette Children's Specialty Healthcare
- Other
- Eligibility
- 13 Years to 17 Years
- Enrollment
- 7 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2024
- U.S. locations
- 1
- States / cities
- Saint Paul, Minnesota
- Conditions
- Chronic Kidney Disease
- Interventions
- Not listed
- Lead sponsor
- Saint Louis VA Medical Center
- Federal
- Eligibility
- 18 Years to 80 Years
- Healthy volunteers
- Healthy volunteers not accepted
- U.S. locations
- 1
- States / cities
- St Louis, Missouri
- Conditions
- Insulin Resistance
- Interventions
- 4,000 IU vitamin D3
- Dietary Supplement
- Lead sponsor
- University of Missouri-Columbia
- Other
- Eligibility
- 9 Years to 19 Years
- Enrollment
- 15 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2013 – 2014
- U.S. locations
- 1
- States / cities
- Columbia, Missouri
- Conditions
- Vitamin D Deficiency (10 ng/mL to 30 ng/mL)
- Interventions
- Vitamin D
- Dietary Supplement
- Lead sponsor
- University of Florida
- Other
- Eligibility
- 70 Years and older
- Enrollment
- 25 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2013 – 2016
- U.S. locations
- 1
- States / cities
- Gainesville, Florida
- Conditions
- Cancer
- Interventions
- Structured perioperative nutrition and exercise, Nutrition and Exercise Counseling
- Behavioral
- Lead sponsor
- VA Office of Research and Development
- Federal
- Eligibility
- 55 Years and older
- Enrollment
- 188 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2027
- U.S. locations
- 1
- States / cities
- Durham, North Carolina
- Conditions
- Multiple Myeloma, Peripheral Neuropathy
- Interventions
- Not listed
- Lead sponsor
- Oncotherapeutics
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 110 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2015
- U.S. locations
- 3
- States / cities
- Highland, California • West Hollywood, California • Hinsdale, Illinois
- Conditions
- Healthy Volunteers
- Interventions
- Not listed
- Lead sponsor
- Oregon Health and Science University
- Other
- Eligibility
- 60 Years and older
- Enrollment
- 25 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2013 – 2014
- U.S. locations
- 1
- States / cities
- Portland, Oregon
- 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
- Diabetes Mellitus, Type 2, Hypertension, Vitamin D Deficiency
- Interventions
- Blood draw
- Diagnostic Test
- Lead sponsor
- Washington University School of Medicine
- Other
- Eligibility
- 25 Years to 80 Years
- Enrollment
- 40 participants
- Timeline
- 2017 – 2026
- U.S. locations
- 2
- States / cities
- St Louis, Missouri
- Conditions
- Skeletal Anomalies, Kidney Transplant; Complications
- Interventions
- measurements to evaluate metabolic bone disease, standard care
- Diagnostic Test
- Lead sponsor
- Yale University
- Other
- Eligibility
- 30 Years to 65 Years
- Enrollment
- 8 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018 – 2021
- U.S. locations
- 1
- States / cities
- New Haven, Connecticut
- Conditions
- Vitamin D Deficiency, Obesity
- Interventions
- Not listed
- Lead sponsor
- University of Massachusetts, Worcester
- Other
- Eligibility
- 3 Years to 12 Years
- Enrollment
- 45 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2008 – 2012
- U.S. locations
- 1
- States / cities
- Worcester, Massachusetts
- Conditions
- Secondary Hyperparathyroidism Due to Renal Causes, Vitamin D Insufficiency, CKD Stage 3, CKD Stage 4
- Interventions
- Calcifediol Oral Capsule, Calcifediol Oral Product, Cholecalciferol, Paricalcitol Oral Capsule
- Drug
- Lead sponsor
- OPKO Health, Inc.
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 69 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2020
- U.S. locations
- 3
- States / cities
- Garden Grove, California • Chicago, Illinois • West Bend, Wisconsin
- Conditions
- Healthy Volunteers
- Interventions
- Placebo, Canagliflozin
- Drug
- Lead sponsor
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
- NIH
- Eligibility
- 18 Years and older
- Enrollment
- 67 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2019
- U.S. locations
- 1
- States / cities
- Bethesda, Maryland
- Conditions
- Chronic Obstructive Pulmonary Disease, Muscle Weakness
- Interventions
- Cholecalciferol, Laboratory Biomarker Analysis, Multivitamin, Placebo, Questionnaire Administration
- Dietary Supplement · Other
- Lead sponsor
- Roswell Park Cancer Institute
- Other
- Eligibility
- 50 Years and older
- Enrollment
- 4 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2017
- U.S. locations
- 1
- States / cities
- Buffalo, New York
- Conditions
- Unspecified Adult Solid Tumor, Protocol Specific
- Interventions
- calcitriol, dexamethasone, ketoconazole
- Dietary Supplement · Drug
- Lead sponsor
- Roswell Park Cancer Institute
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 15 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- Started 2004
- U.S. locations
- 1
- States / cities
- Buffalo, New York
- Conditions
- Anxiety, Stress, Memory Deficits, Cortisol Overproduction
- Interventions
- Heights Smart Supplement
- Dietary Supplement
- Lead sponsor
- Heights
- Industry
- Eligibility
- 21 Years to 70 Years
- Enrollment
- 34 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022
- U.S. locations
- 1
- States / cities
- Santa Monica, California
- Conditions
- Determine Effect of Vitamin D on Bone Health in Elderly African American Women
- Interventions
- Vitamin D 3, placebo
- Dietary Supplement · Other
- Lead sponsor
- Winthrop University Hospital
- Other
- Eligibility
- 60 Years and older · Female only
- Enrollment
- 260 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010 – 2016
- U.S. locations
- 1
- States / cities
- Mineola, New York
- Conditions
- Obesity, Glucose Intolerance, Inflammation
- Interventions
- Placebo, Vitamin D 3 cholecalciferol
- Dietary Supplement
- Lead sponsor
- University of Missouri-Columbia
- Other
- Eligibility
- 9 Years to 19 Years
- Enrollment
- 44 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2013
- U.S. locations
- 1
- States / cities
- Columbia, Missouri
- Conditions
- Bone Density, Bone Health, Fractures
- Interventions
- Vitamin D3 placebo, Fish oil placebo, Omega-3 fatty acids (fish oil), Vitamin D3
- Dietary Supplement · Drug
- Lead sponsor
- Brigham and Women's Hospital
- Other
- Eligibility
- 50 Years and older
- Enrollment
- 25,871 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2026
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts