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ClinicalTrials.gov public records Last synced Sep 4, 2026, 4:37 AM EDT

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Showing 1–24 of 2,071 matching trials from the live ClinicalTrials.gov search.
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Not yet recruiting Not applicable Interventional

Nutrition Supplement for Cystic Fibrosis

NCT07163078
View directory record Official record
Conditions
Cystic Fibrosis (CF)
Interventions
Common form supplementation, Uncommon nutrient supplementation
Dietary Supplement
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 50 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Sep 4, 2026, 4:37 AM EDT
Not listed Not applicable Interventional

Viome Precision Nutritional Programs to Improve Clinical Outcomes for Mental Health Disorders

NCT06502717
View directory record Official record
Conditions
Mental Health Issue, Depression, Anxiety
Interventions
VIOME Precision Nutrition Program
Combination Product
Lead sponsor
Viome
Industry
Eligibility
25 Years to 75 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Bothell, Washington
Source: ClinicalTrials.gov public record
Updated Jan 28, 2025 · Synced Sep 4, 2026, 4:37 AM EDT
Terminated No phase listed Observational

Risk Factors for Coronary Artery Calcification and Left Ventricular Hypertrophy in Hemodialysis Patients

NCT01427374
View directory record Official record
Conditions
End Stage Renal Disease
Interventions
Not listed
Lead sponsor
University of Alberta
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
3
States / cities
Indianapolis, Indiana • Boston, Massachusetts • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Apr 30, 2018 · Synced Sep 4, 2026, 4:37 AM EDT
Terminated Phase 2 Interventional Results available

Targeting Central Pulsatile Hemodynamics in Chronic Kidney Disease

NCT02791906
View directory record Official record
Conditions
Renal Insufficiency, Chronic
Interventions
ISMN, Vitamin C
Drug · Dietary Supplement
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 12, 2020 · Synced Sep 4, 2026, 4:37 AM EDT
Completed Phase 1 Interventional

Two Vitamin D Dosing Strategies in Children With Chronic Kidney Disease

NCT01909115
View directory record Official record
Conditions
Chronic Kidney Disease
Interventions
1000 IU of Vitamin D3, 4000 IU of Vitamin D3
Drug
Lead sponsor
Emory University
Other
Eligibility
9 Years to 21 Years
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated May 18, 2020 · Synced Sep 4, 2026, 4:37 AM EDT
Completed Phase 2 Interventional Results available

Evaluation of the Use of Trental and Vitamin E For Prophylaxis of Radiation Necrosis

NCT01508221
View directory record Official record
Conditions
Brain Metastasis
Interventions
Trental, Vitamin E
Drug · Dietary Supplement
Lead sponsor
University of Cincinnati
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 13, 2023 · Synced Sep 4, 2026, 4:37 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Long Term Nitric Oxide Bioavailability on Vascular Health in Chronic Obstructive Pulmonary Disease

NCT02774226
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease (COPD)
Interventions
Tetrahydrobiopterin (BH4), Antioxidant Cocktail
Drug · Dietary Supplement
Lead sponsor
Augusta University
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 22, 2021 · Synced Sep 4, 2026, 4:37 AM EDT
Completed No phase listed Observational

Role of Fat Tissue in Vitamin D Metabolism

NCT00033826
View directory record Official record
Conditions
Vitamin D, Adipose Tissue
Interventions
Not listed
Lead sponsor
Tufts University
Other
Eligibility
18 Years to 65 Years
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2007
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 23, 2013 · Synced Sep 4, 2026, 4:37 AM EDT
Active, not recruiting Phase 2 Interventional

Tocotrienol Against the Progression of End Stage Liver Disease

NCT02581085
View directory record Official record
Conditions
End Stage Liver Disease, NASH - Nonalcoholic Steatohepatitis, NAFLD - Nonalcoholic Fatty Liver Disease
Interventions
Tocotrienol (TCT), Placebo
Drug · Other
Lead sponsor
Chandan Sen
Other
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2028
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Feb 8, 2026 · Synced Sep 4, 2026, 4:37 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

2021 PMT iAge® Intervention Trial by Edifice Health

NCT04983017
View directory record Official record
Conditions
Chronic Inflammation, Inflammaging
Interventions
Dietary supplement, Placebo
Dietary Supplement · Other
Lead sponsor
Edifice Health
Industry
Eligibility
18 Years and older
Enrollment
781 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
2
States / cities
Greenbrae, California • Suwanee, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 18, 2024 · Synced Sep 4, 2026, 4:37 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 18, 2012 · Synced Sep 4, 2026, 4:37 AM EDT
Recruiting Phase 1 Interventional

A Study of Nicotinamide With Oral Tetrahydrouridine and Decitabine to Treat High Risk Sickle Cell Disease

NCT04055818
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Nicotinamide
Drug
Lead sponsor
EpiDestiny, Inc.
Industry
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 24, 2025 · Synced Sep 4, 2026, 4:37 AM EDT
Terminated Early Phase 1 Interventional Accepts healthy volunteers

Efficacy of Natural Vitamin E Tocotrienol on the Treatment of Surgical Scars

NCT00700791
View directory record Official record
Conditions
Scar
Interventions
Natural Vitamin E Tocotrienol supplement (TCT), Natural Vitamin E Tocotrienol Cream (TCT), Placebo, Placebo Cream
Dietary Supplement · Device · Other
Lead sponsor
Chandan K Sen
Other
Eligibility
18 Years and older
Enrollment
168 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2018
U.S. locations
2
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 17, 2021 · Synced Sep 4, 2026, 4:37 AM EDT
Completed Phase 2 Interventional

13-Cis Retinoic Acid With or Without Vitamin E for Prevention of Lung Cancer

NCT00002586
View directory record Official record
Conditions
Drug Toxicity, Lung Cancer
Interventions
13-cis retinoic acid, Tocopherol
Drug · Dietary Supplement
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 90 Years
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1993 – 2005
U.S. locations
4
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated May 14, 2020 · Synced Sep 4, 2026, 4:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Vitamin D Absorbance Study - Clinical Trial of the Absorbance of Nano Liquid D3

NCT04885803
View directory record Official record
Conditions
Vitamin D Deficiency
Interventions
Softgel Vitamin D3, Nano Liquid Vitamin D3, 25(OH)D Blood Serum Test, Placebo Control
Dietary Supplement · Diagnostic Test · Other
Lead sponsor
Inspired Life Medical, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
114 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Le Sueur, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 23, 2021 · Synced Sep 4, 2026, 4:37 AM EDT
Recruiting Phase 1Phase 2 Interventional

ATRA and Carfilzomib in Plasma Cell Myeloma Patients

NCT06536413
View directory record Official record
Conditions
Multiple Myeloma
Interventions
All-Trans Retinoic Acid (ATRA) Dose 0, All-Trans Retinoic Acid (ATRA) Dose 1
Drug
Lead sponsor
The Methodist Hospital Research Institute
Other
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2030
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 2, 2026 · Synced Sep 4, 2026, 4:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Vitamin D, Diet and Activity Study

NCT01240213
View directory record Official record
Conditions
Breast Cancer, Obesity, Hypovitaminosis D
Interventions
Vitamin D, Placebo
Dietary Supplement
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
50 Years to 75 Years · Female only
Enrollment
218 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 6, 2013 · Synced Sep 4, 2026, 4:37 AM EDT
Completed Phase 3 Interventional Results available

Chemotherapy and Radiation Therapy in Treating Young Patients With Newly Diagnosed, Previously Untreated, High-Risk Medulloblastoma/PNET

NCT00392327
View directory record Official record
Conditions
Anaplastic Medulloblastoma, Medulloblastoma
Interventions
Biospecimen Collection, Carboplatin, Cisplatin, Cyclophosphamide, Filgrastim, Isotretinoin, Lumbar Puncture, Magnetic Resonance Imaging, Quality-of-Life Assessment, Radiation Therapy, Vincristine Sulfate
Procedure · Drug · Biological + 2 more
Lead sponsor
Children's Oncology Group
Network
Eligibility
3 Years to 22 Years
Enrollment
379 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2026
U.S. locations
170
States / cities
Birmingham, Alabama • Anchorage, Alaska • Mesa, Arizona + 126 more
Source: ClinicalTrials.gov public record
Updated Jun 7, 2026 · Synced Sep 4, 2026, 4:37 AM EDT
Completed Phase 2 Interventional Results available

Dinutuximab, Sargramostim, and Combination Chemotherapy in Treating Patients With Newly Diagnosed High-Risk Neuroblastoma

NCT03786783
View directory record Official record
Conditions
Ganglioneuroblastoma, High Risk Neuroblastoma
Interventions
Autologous Hematopoietic Stem Cell Transplantation, Carboplatin, Cisplatin, Cyclophosphamide, Dexrazoxane, Dinutuximab, Doxorubicin, Etoposide, External Beam Radiation Therapy, Isotretinoin, Melphalan, Sargramostim, Thiotepa, Topotecan, Vincristine
Procedure · Drug · Biological + 1 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
Up to 30 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
7
States / cities
Los Angeles, California • Washington D.C., District of Columbia • Boston, Massachusetts + 4 more
Source: ClinicalTrials.gov public record
Updated Jun 1, 2026 · Synced Sep 4, 2026, 4:37 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Impact of Vitamin D Status on Bones in Breastfed Infants

NCT00697294
View directory record Official record
Conditions
Vitamin D Deficiency
Interventions
Tri-Vi-Sol
Dietary Supplement
Lead sponsor
Baylor College of Medicine
Other
Eligibility
Up to 2 Hours
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
3
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 4, 2011 · Synced Sep 4, 2026, 4:37 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

BMI-based Vitamins in Obese Pregnant Women

NCT02802566
View directory record Official record
Conditions
Obesity
Interventions
BMI-based prenatal vitamin, Standard prenatal vitamin
Dietary Supplement
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older · Female only
Enrollment
146 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2025
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 9, 2024 · Synced Sep 4, 2026, 4:37 AM EDT
Active, not recruiting Phase 2 Interventional

Study of IPMN Progression Prevention With Tocotrienol (SIPP-T3)

NCT06519097
View directory record Official record
Conditions
Neoplasm of Pancreas, IPMN, Pancreatic
Interventions
Vitamin E Delta Tocotrienol, Placebo
Drug · Other
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
2
States / cities
Tampa, Florida • Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Nov 12, 2025 · Synced Sep 4, 2026, 4:37 AM EDT
Not listed Phase 4 Interventional Accepts healthy volunteers

Effects of Omega-3 Fatty Acids on Bone and Frailty

NCT00634686
View directory record Official record
Conditions
Osteoporosis, Frailty
Interventions
DHA/EPA, Placebo capsule, Calcium with vitamin D
Dietary Supplement
Lead sponsor
Donaghue Medical Research Foundation
Other
Eligibility
65 Years and older · Female only
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 1, 2009 · Synced Sep 4, 2026, 4:37 AM EDT
Completed Phase 3 Interventional Results available

Pharmacokinetic and Pharmacodynamic Study of High-Dose Rifapentine and Moxifloxacin for Treatment of Tuberculosis

NCT02563327
View directory record Official record
Conditions
Tuberculosis
Interventions
Rifapentine, Moxifloxacin, Rifampin, Isoniazid, Pyrazinamide, Ethambutol, Pyridoxine
Drug · Dietary Supplement
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
18 Years and older
Enrollment
2,516 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Sep 4, 2026, 4:37 AM EDT