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ClinicalTrials.gov public records Last synced Oct 23, 2026, 6:48 AM EDT

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Showing 361–384 of 530 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: phytosterol Clear all
Completed Early Phase 1 Interventional Accepts healthy volunteers

Optimization of Blood Levels of 25(OH)-Vitamin D in African Americans

NCT04939792
View directory record Official record
Conditions
Vitamin D Deficiency
Interventions
Vitamin D, Placebo, Vitamin D + L-cysteine, L-cysteine
Drug
Lead sponsor
Louisiana State University Health Sciences Center Shreveport
Other
Eligibility
18 Years to 65 Years
Enrollment
165 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Shreveport, Louisiana
Source: ClinicalTrials.gov public record
Updated Jun 8, 2023 · Synced Oct 23, 2026, 6:48 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Vitamin D Supplementation in Obesity and Weight Loss (3DD Study)

NCT01631292
View directory record Official record
Conditions
Osteoporosis
Interventions
600 IU Vitamin D3, 2000 IU Vitamin D3, 4000 IU Vitamin D3
Dietary Supplement
Lead sponsor
Rutgers University
Other
Eligibility
50 Years to 72 Years · Female only
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2019
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated Nov 22, 2023 · Synced Oct 23, 2026, 6:48 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Comparison of Low and High Phytosterol Diets With Respect to Cholesterol Metabolism

NCT00860509
View directory record Official record
Conditions
Hypercholesterolemia, Coronary Heart Disease
Interventions
Low Phytosterol and High Phytosterol Diets
Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 80 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated May 3, 2012 · Synced Oct 23, 2026, 6:48 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

VITamin D and OmegA-3 TriaL (VITAL): Fractures, Vitamin D and Genetic Markers

NCT01704859
View directory record Official record
Conditions
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
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 27, 2026 · Synced Oct 23, 2026, 6:48 AM EDT
Completed Phase 1 Interventional

Ultra-high Dose Vitamin D for HSCT

NCT03759262
View directory record Official record
Conditions
Hematopoietic Stem Cell Transplant
Interventions
Cholecalciferol
Drug
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
0 Years to 25 Years
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 20, 2024 · Synced Oct 23, 2026, 6:48 AM EDT
Terminated Phase 2 Interventional Results available

Randomized Proof-of-Concept Trial to Evaluate the Safety and Explore the Effectiveness of Resveratrol, a Plant Polyphenol, for COVID-19

NCT04400890
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 24, 2023 · Synced Oct 23, 2026, 6:48 AM EDT
Withdrawn Not applicable Interventional

Vitamin D Supplementation in Chronic Rhinosinusitis With Nasal Polyps

NCT01185808
View directory record Official record
Conditions
Chronic Sinusitis
Interventions
Vitamin D
Biological
Lead sponsor
Medical University of South Carolina
Other
Eligibility
14 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated May 1, 2018 · Synced Oct 23, 2026, 6:48 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Different Vitamin D Preparations & FGF23 in Humans

NCT00957879
View directory record Official record
Conditions
Vitamin D Deficiency
Interventions
Ergocalciferol, Calcitriol
Dietary Supplement
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 45 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 19, 2012 · Synced Oct 23, 2026, 6:48 AM EDT
Completed Phase 2 Interventional Results available

Intralesional Vitamin D Injection for Treatment of Common Warts

NCT04278573
View directory record Official record
Conditions
Warts
Interventions
Vitamin D3, Placebo
Drug
Lead sponsor
Stephen P. Merry
Other
Eligibility
18 Years and older
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 30, 2024 · Synced Oct 23, 2026, 6:48 AM EDT
Completed Not applicable Interventional

Vitamin D to Improve Glucose Metabolism and Reduce Inflammation in Obese Adolescents

NCT00994396
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 6, 2016 · Synced Oct 23, 2026, 6:48 AM EDT
Completed Phase 2 Interventional Results available

Study of Vitamin D and Effect on Heart Disease and Insulin Resistance

NCT01093417
View directory record Official record
Conditions
Human Immunodeficiency Virus (HIV), Vitamin D Deficiency, HIV Infections
Interventions
Vitamin D, Placebo
Drug · Other
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 14, 2016 · Synced Oct 23, 2026, 6:48 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Phase I/II Study of High-Dose Calcitriol Plus Temodar for Patients With Metastatic Melanoma

NCT00301067
View directory record Official record
Conditions
Metastatic Melanoma
Interventions
Calcitriol, Temozolomide
Dietary Supplement · Drug
Lead sponsor
Northwestern University
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2012
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 4, 2019 · Synced Oct 23, 2026, 6:48 AM EDT
Terminated Phase 3 Interventional Results available

Vitamin D Supplement Study for Stage Three and Four Chronic Kidney Disease (CKD) Patients

NCT01173848
View directory record Official record
Conditions
Chronic Kidney Disease Stage 3 and 4
Interventions
Ergocalciferol, Cholecalciferol
Drug
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years to 99 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 4, 2017 · Synced Oct 23, 2026, 6:48 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Changes in Breast Cancer Biomarkers Using Synergistic Prostaglandin Inhibitors

NCT01425476
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 9, 2017 · Synced Oct 23, 2026, 6:48 AM EDT
Completed Phase 2 Interventional Results available

Vitamin D Dose Finding Study

NCT01092338
View directory record Official record
Conditions
HIV Infections, AIDS
Interventions
Cholecalciferol (Vit D3)
Drug
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
5 Years to 24 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 18, 2013 · Synced Oct 23, 2026, 6:48 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Vitamin D Plus Celecoxib Therapy to Stimulate Intratumoral Immune Reactivity

NCT00953849
View directory record Official record
Conditions
Mouth Neoplasms
Interventions
Celecoxib, Calcitriol, Celecoxib plus Calcitriol
Drug
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years to 85 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Mar 7, 2017 · Synced Oct 23, 2026, 6:48 AM EDT
Completed Not applicable Interventional

Randomized Study of Alendronate in Adult Patients With Cystic Fibrosis Related Osteoporosis

NCT00004489
View directory record Official record
Conditions
Osteoporosis, Cystic Fibrosis
Interventions
alendronate sodium, calcium carbonate, cholecalciferol
Drug
Lead sponsor
University of North Carolina
Other
Eligibility
18 Years to 45 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2002
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 25, 2015 · Synced Oct 23, 2026, 6:48 AM EDT
Terminated Not applicable Interventional

The Pittsburgh Vitamin D Study: Vitamin D Supplementation in Vitamin D-deficient Subjects at Risk of Lung Cancer

NCT02532062
View directory record Official record
Conditions
Deficiency of Vitamin D3, COPD
Interventions
Cholecalciferol, multivitamin, Placebo
Dietary Supplement
Lead sponsor
University of Pittsburgh
Other
Eligibility
50 Years to 85 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 26, 2018 · Synced Oct 23, 2026, 6:48 AM EDT
Completed Early Phase 1 Interventional

Effect of Vitamin D After Application With Valchlor

NCT02968446
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 23, 2021 · Synced Oct 23, 2026, 6:48 AM EDT
Completed Phase 2 Interventional

Pharmacokinetic (PK) and Pharmacodynamic (PD) Study of CD 2027 Spray in Adults With Plaque-type Psoriasis

NCT00763503
View directory record Official record
Conditions
Plaque-type Psoriasis
Interventions
CD 2027
Drug
Lead sponsor
Galderma R&D
Industry
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
3
States / cities
Hot Springs, Arizona • Austin, Texas • Bryan, Texas
Source: ClinicalTrials.gov public record
Updated Feb 18, 2021 · Synced Oct 23, 2026, 6:48 AM EDT
Terminated Phase 2 Interventional

A Phase II Trial of Calcitriol and Naproxen in Patients With Recurrent Prostate Cancer

NCT00383487
View directory record Official record
Conditions
Prostatic Neoplasms, Prostate Cancer
Interventions
Calcitriol, Naproxen-n-butyl nitrate
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years to 90 Years · Male only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Jan 28, 2013 · Synced Oct 23, 2026, 6:48 AM EDT
Completed Phase 2 Interventional Results available

Cholecalciferol and Genistein Before Surgery in Treating Patients With Early Stage Prostate Cancer

NCT01325311
View directory record Official record
Conditions
Prostate Adenocarcinoma, Stage I Prostate Cancer, Stage IIA Prostate Cancer, Stage IIB Prostate Cancer
Interventions
Cholecalciferol, Genistein, Laboratory Biomarker Analysis, Pharmacological Study, Placebo
Drug · Other
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older · Male only
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
11
States / cities
Birmingham, Alabama • Baltimore, Maryland • Burlington, Massachusetts + 6 more
Source: ClinicalTrials.gov public record
Updated Aug 3, 2016 · Synced Oct 23, 2026, 6:48 AM EDT
Completed Phase 3 Interventional Results available

Cholecalciferol Supplementation for Sepsis in the ICU

NCT01896544
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 13, 2016 · Synced Oct 23, 2026, 6:48 AM EDT
Completed Phase 4 Interventional

Vitamin D Deficiency in Chronic Kidney Disease (CKD) Patients

NCT00958451
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 24, 2011 · Synced Oct 23, 2026, 6:48 AM EDT