Independent directory Public ClinicalTrials.gov records United States
Clinical Trials Finder
Objective public record navigation
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 are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.

Clear filters
ClinicalTrials.gov public records Last synced Sep 5, 2026, 5:49 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Filters: Intervention: phytosterol Clear all
Completed Phase 3 Interventional Results available

A Study to Evaluate the Effect of Vitamin D on PFS in Indolent Non-Hodgkin's Lymphoma

NCT03078855
View directory record Official record
Conditions
Follicular Lymphoma, Small Lymphocytic Lymphoma, Marginal Zone Lymphoma, Mucosal-Associated Lymphoid Tissue Lymphoma
Interventions
Vitamin D, Rituximab, Placebo
Dietary Supplement · Biological · Other
Lead sponsor
Jonathan Friedberg
Other
Eligibility
18 Years and older
Enrollment
211 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2024
U.S. locations
7
States / cities
Miami, Florida • Atlanta, Georgia • Iowa City, Iowa + 4 more
Source: ClinicalTrials.gov public record
Updated Sep 3, 2024 · Synced Sep 5, 2026, 5:49 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

The Effect of a Meal on Vitamin D Absorption

NCT01268176
View directory record Official record
Conditions
Vitamin D Deficiency
Interventions
cholecalciferol
Dietary Supplement
Lead sponsor
Tufts University
Other
Eligibility
50 Years to 69 Years
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 12, 2013 · Synced Sep 5, 2026, 5:49 AM EDT
Completed Not applicable Interventional

African American Children, Glycemic Control, and Type 2 Diabetes

NCT01325987
View directory record Official record
Conditions
Type 2 Diabetes, Vitamin D Deficiency
Interventions
Vitamin D2, Sugar pill
Dietary Supplement · Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
12 Years to 18 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jan 19, 2014 · Synced Sep 5, 2026, 5:49 AM EDT
Terminated Not applicable Interventional Results available

Vitamin D Replacement: The Effect on Statin-Related Myalgias

NCT01022398
View directory record Official record
Conditions
HMG-CoA Reductase Inhibitors-related Myalgias
Interventions
cholecalciferol/placebo
Drug
Lead sponsor
Creighton University
Other
Eligibility
19 Years to 89 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated May 19, 2013 · Synced Sep 5, 2026, 5:49 AM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

Cyclic Versus Daily Teriparatide on Bone Mass

NCT00668941
View directory record Official record
Conditions
Osteoporosis
Interventions
Teriparatide, Alendronate, Calcium, Vitamin D3
Drug · Dietary Supplement
Lead sponsor
Helen Hayes Hospital
Other
Eligibility
45 Years to 85 Years · Female only
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2017
U.S. locations
1
States / cities
West Haverstraw, New York
Source: ClinicalTrials.gov public record
Updated Aug 9, 2017 · Synced Sep 5, 2026, 5:49 AM EDT
Terminated Phase 3 Interventional

A Phase III Study to Investigate if the Study Drug Diamyd Can Preserve Insulin Production and Improve Glycemic Control in Patients Newly Diagnosed With Type 1 Diabetes

NCT05018585
View directory record Official record
Conditions
Type 1 Diabetes Mellitus
Interventions
Recombinant human glutamic acid decarboxylase (rhGAD65) formulated in Alhydrogel®, Colecalciferol 2000 IU, Placebo
Biological · Dietary Supplement
Lead sponsor
Diamyd Medical AB
Industry
Eligibility
12 Years to 28 Years
Enrollment
321 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
13
States / cities
Newport Beach, California • Palo Alto, California • San Diego, California + 10 more
Source: ClinicalTrials.gov public record
Updated Aug 25, 2026 · Synced Sep 5, 2026, 5:49 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

VITAL-DEP: Depression Endpoint Prevention in the VITamin D and OmegA-3 TriaL

NCT01696435
View directory record Official record
Conditions
Depression, Depressive Symptoms, Mood
Interventions
vitamin D3, omega-3 fatty acids (fish oil), Fish oil placebo, Vitamin D placebo
Dietary Supplement · Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
50 Years and older
Enrollment
18,353 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 9, 2025 · Synced Sep 5, 2026, 5:49 AM EDT
Not listed Phase 4 Interventional

The Effect of Vitamin D Supplementation on Calcium Excretion in Thalassemia: a Dose Response Study

NCT01323608
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 18, 2011 · Synced Sep 5, 2026, 5:49 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Nutrition and Body Composition in Acute Lymphoblastic Leukemia

NCT01317940
View directory record Official record
Conditions
Precursor Cell Lymphoblastic Leukemia-Lymphoma, Vitamin D Deficiency
Interventions
Vitamin D and Calcium Citrate
Dietary Supplement
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
10 Years to 29 Years
Enrollment
76 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2016
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 7, 2020 · Synced Sep 5, 2026, 5:49 AM EDT
Completed Not applicable Interventional Results available

Vitamin D, Insulin Resistance, and Cardiovascular Disease

NCT00736632
View directory record Official record
Conditions
Vitamin D Deficiency, Insulin Resistance, Type 2 Diabetes Mellitus, Cardiovascular Disease, Hypertension
Interventions
Vitamin D3, Placebo
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
25 Years to 80 Years
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2019
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Feb 9, 2020 · Synced Sep 5, 2026, 5:49 AM EDT
Completed Phase 4 Interventional Results available

Long Term Safety and Efficacy Study of Calcitriol 3 mcg/g Ointment in Pediatric Subjects With Plaque Psoriasis

NCT02125279
View directory record Official record
Conditions
Psoriasis Vulgaris
Interventions
Calcitriol
Drug
Lead sponsor
Galderma R&D
Industry
Eligibility
2 Years to 16 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
8
States / cities
Fort Smith, Arkansas • Rogers, Arkansas • Burbank, California + 5 more
Source: ClinicalTrials.gov public record
Updated Feb 17, 2021 · Synced Sep 5, 2026, 5:49 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Can Vitamin D Reduce the Burden of COVID-19?

NCT07128069
View directory record Official record
Conditions
COVID-19
Interventions
Vitamin D 400IU, Vitamin D 4000IU
Dietary Supplement
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
2,093 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2025
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 6, 2026 · Synced Sep 5, 2026, 5:49 AM EDT
Active, not recruiting Not applicable Interventional

VITamin D and OmegA-3 TriaL: Interrelationship of Vitamin D and Vitamin K on Bone (VITAL)

NCT04573946
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 26, 2026 · Synced Sep 5, 2026, 5:49 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Vitamin D and Omega-3 Fatty Acids on Infectious Diseases and hCAP18 (VITAL Infection)

NCT01758081
View directory record Official record
Conditions
Infections, Human Cathelicidin Antimicrobial Peptide (hCAP-18)
Interventions
vitamin D3, omega-3 fatty acids (fish oil), Vitamin D3 placebo, fish oil placebo
Dietary Supplement · Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
50 Years and older
Enrollment
25,874 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 24, 2025 · Synced Sep 5, 2026, 5:49 AM EDT
Not listed Not applicable Interventional

Vitamin D in Pediatric Asthma: a Randomized Controlled Open-label Pilot Trial

NCT02054975
View directory record Official record
Conditions
Asthma, Vitamin D Deficiency
Interventions
Vitamin D2 + vitamin D3, Vitamin D3
Drug
Lead sponsor
Nationwide Children's Hospital
Other
Eligibility
8 Years to 17 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 7, 2015 · Synced Sep 5, 2026, 5:49 AM EDT
Not yet recruiting Phase 2 Interventional

HMB Plus Vitamin D to Preserve Muscle in Older Adults Starting Semaglutide

NCT07760948
View directory record Official record
Conditions
Type 2 Diabetes Mellitus (T2DM), Sarcopenia, Obesity, Muscle Loss, Older Adults
Interventions
Calcium-HMB Plus Vitamin D3, Matching placebo
Dietary Supplement · Other
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
65 Years to 85 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Sep 5, 2026, 5:49 AM EDT
Completed Not applicable Interventional

S0812 High Dose Cholecalciferol in Premenopausal Women at High-Risk for Breast Cancer

NCT01097278
View directory record Official record
Conditions
brca1 Mutation Carrier, brca2 Mutation Carrier, Breast Cancer
Interventions
cholecalciferol, placebo
Dietary Supplement · Other
Lead sponsor
SWOG Cancer Research Network
Network
Eligibility
18 Years to 50 Years · Female only
Enrollment
208 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
360
States / cities
Anniston, Alabama • Mobile, Alabama • Anchorage, Alaska + 230 more
Source: ClinicalTrials.gov public record
Updated Nov 23, 2017 · Synced Sep 5, 2026, 5:49 AM EDT
Completed Phase 2 Interventional

Cholecalciferol in Treating Patients With Myelodysplastic Syndrome

NCT00068276
View directory record Official record
Conditions
Leukemia, Myelodysplastic Syndromes, Myelodysplastic/Myeloproliferative Neoplasms
Interventions
cholecalciferol
Dietary Supplement
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
Up to 120 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 9, 2018 · Synced Sep 5, 2026, 5:49 AM EDT
Terminated Early Phase 1 Interventional

Effects of Vitamin D on Renin Expression in Hypertensive Patients

NCT00585442
View directory record Official record
Conditions
Hypertension, Vitamin D Deficiency
Interventions
calcitriol, Placebo
Drug
Lead sponsor
University of Utah
Other
Eligibility
55 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated May 26, 2016 · Synced Sep 5, 2026, 5:49 AM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Metformin, Vitamin D, and Depression in Polycystic Ovary Syndrome (PCOS) Trial

NCT03380091
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 8, 2021 · Synced Sep 5, 2026, 5:49 AM EDT
Withdrawn Phase 2 Interventional

Study to Determine the Efficacy&Safety of ARV-1801(ACG-701) for the Treatment of Cystic Fibrosis Pulmonary Exacerbations

NCT05641298
View directory record Official record
Conditions
Cystic Fibrosis, Cystic Fibrosis Pulmonary Exacerbation
Interventions
Sodium Fusidate, Placebo
Drug
Lead sponsor
Aceragen
Industry
Eligibility
12 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
25
States / cities
Gainesville, Florida • Orlando, Florida • Pensacola, Florida + 22 more
Source: ClinicalTrials.gov public record
Updated Jul 18, 2023 · Synced Sep 5, 2026, 5:49 AM EDT
Completed Not applicable Interventional

Efficacy of Vitamin D Supplementation in Obese Children

NCT02956408
View directory record Official record
Conditions
Obesity, Pediatric, Obesity, Childhood, Obesity, Morbid, Vitamin D Deficiency
Interventions
Vitamin D3
Dietary Supplement
Lead sponsor
Columbia University
Other
Eligibility
5 Years to 11 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 4, 2020 · Synced Sep 5, 2026, 5:49 AM EDT
Completed Phase 2 Interventional Results available

Safety, Feasibility and Efficacy of Vitamin D Supplementation in Women With Metastatic Breast Cancer (SAFE-D)

NCT02186015
View directory record Official record
Conditions
Adult Women, Metastatic Breast Cancer, Estrogen Receptor Positive
Interventions
Cholecalciferol
Drug
Lead sponsor
Loyola University
Other
Eligibility
18 Years and older · Female only
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Maywood, Illinois
Source: ClinicalTrials.gov public record
Updated May 13, 2021 · Synced Sep 5, 2026, 5:49 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Gene Expression, Metabolomic, Microbiome, and Calcium Metabolism in Response to Varied Vitamin D Dosages

NCT02856776
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 17, 2019 · Synced Sep 5, 2026, 5:49 AM EDT