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Showing 1–24 of 231 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Vitamin B Clear all
Completed Phase 3 Interventional Results available

Pyridoxine and Topical Urea/Lactic Acid-Based Cream in Preventing Hand-Foot Syndrome in Patients Receiving Capecitabine for Breast Cancer or Other Cancer

NCT00296036
View directory record Official record
Conditions
Breast Cancer, Drug/Agent Toxicity by Tissue/Organ, Unspecified Adult Solid Tumor, Protocol Specific
Interventions
pyridoxine hydrochloride, urea/lactic acid-based topical cream, placebo
Dietary Supplement · Drug · Other
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older
Enrollment
137 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2006
U.S. locations
231
States / cities
Scottsdale, Arizona • Aurora, Colorado • Boulder, Colorado + 148 more
Source: ClinicalTrials.gov public record
Updated Mar 15, 2017 · Synced Sep 11, 2026, 2:08 PM EDT
Completed Not applicable Interventional

Vitamin B Therapy for Hyperlactatemia

NCT00031057
View directory record Official record
Conditions
HIV Infections
Interventions
Thiamine hydrochloride, Riboflavin
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
225 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
3
States / cities
New York, New York • Chapel Hill, North Carolina • Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 27, 2011 · Synced Sep 11, 2026, 2:08 PM EDT
Completed Not applicable Interventional Results available

Vitamin B12 and Folate Administration on Homocysteine Concentrations After Nitrous Oxide Anesthesia

NCT00901394
View directory record Official record
Conditions
Cardiovascular Abnormalities
Interventions
B12-Folic Acid, nitrous oxide, Nitrous oxide (NO) and placebo, Placebo, oxygen nitrogen
Drug · Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 15, 2020 · Synced Sep 11, 2026, 2:08 PM EDT
Completed Not applicable Interventional Results available

Impact of Vitamin B12 Replacement on Epogen Dosing and Improvement of Quality of Life in Hemodialysis Patients

NCT01876732
View directory record Official record
Conditions
Vitamin B12 Deficiency
Interventions
Vitamin B12
Drug
Lead sponsor
Northwell Health
Other
Eligibility
18 Years to 90 Years
Enrollment
132 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Staten Island, New York
Source: ClinicalTrials.gov public record
Updated Sep 7, 2014 · Synced Sep 11, 2026, 2:08 PM EDT
Completed Phase 2 Interventional

Sequential ATRA Then IL-2 for Modulation of Dendritic Cells and Treatment of Metastatic Renal Cell Cancer

NCT00100906
View directory record Official record
Conditions
Kidney Cancer
Interventions
IL-2, ATRA
Drug
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2013
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Aug 15, 2013 · Synced Sep 11, 2026, 2:08 PM EDT
Active, not recruiting Phase 3 Interventional Results available

A Study of Combination Amivantamab and Carboplatin-Pemetrexed Therapy, Compared With Carboplatin-Pemetrexed, in Participants With Advanced or Metastatic Non-Small Cell Lung Cancer Characterized by Epidermal Growth Factor Receptor (EGFR) Exon 20 Insertions

NCT04538664
View directory record Official record
Conditions
Carcinoma, Non-Small-Cell Lung
Interventions
Amivantamab, Pemetrexed, Carboplatin
Drug
Lead sponsor
Janssen Research & Development, LLC
Industry
Eligibility
18 Years and older
Enrollment
308 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
17
States / cities
Duarte, California • Orange, California • Santa Monica, California + 13 more
Source: ClinicalTrials.gov public record
Updated Aug 30, 2026 · Synced Sep 11, 2026, 2:08 PM EDT
Completed Phase 3 Interventional

Vitamin Therapy for Prevention of Stroke

NCT00004734
View directory record Official record
Conditions
Stroke, Cerebral Infarction, Myocardial Infarction
Interventions
pyridoxine, cyanocobalamin, folic acid multivitamin
Drug
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
35 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2004
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Sep 11, 2026, 2:08 PM EDT
Withdrawn No phase listed Observational

Evaluation of Vitamin D Levels in Psoriasis Patients

NCT01903317
View directory record Official record
Conditions
Psoriasis
Interventions
Topical Therapy, Phototherapy and Systemic Therapy, Biologic Therapy
Other
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Irvine, California
Source: ClinicalTrials.gov public record
Updated May 7, 2024 · Synced Sep 11, 2026, 2:08 PM EDT
Completed Phase 2 Interventional Results available

Study of Pralatrexate vs. Erlotinib for Non-Small Cell Lung Cancer After at Least 1 Prior Platinum-based Treatment

NCT00606502
View directory record Official record
Conditions
Non-small Cell Lung Cancer
Interventions
Pralatrexate, Erlotinib, Vitamin B12, Folic Acid
Drug · Dietary Supplement
Lead sponsor
Spectrum Pharmaceuticals, Inc
Industry
Eligibility
18 Years and older
Enrollment
201 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
15
States / cities
Bakersfield, California • San Diego, California • Port Saint Lucie, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Mar 4, 2021 · Synced Sep 11, 2026, 2:08 PM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Vitamin B6 Effects for Women Taking Birth Control Pills

NCT01128244
View directory record Official record
Conditions
Vitamin B6 Deficiency
Interventions
Vitamin B6, Infusion of labeled serine, methionine and leucine
Dietary Supplement · Procedure
Lead sponsor
University of Florida
Other
Eligibility
20 Years to 40 Years · Female only
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Feb 6, 2017 · Synced Sep 11, 2026, 2:08 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

RCT of an Oral Acne Supplement for Adult Women

NCT06097871
View directory record Official record
Conditions
Acne
Interventions
Skin Nutraceutical Supplement, Placebo pill
Dietary Supplement · Other
Lead sponsor
Nutraceutical Wellness Inc.
Industry
Eligibility
18 Years to 50 Years · Female only
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
High Point, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 24, 2024 · Synced Sep 11, 2026, 2:08 PM EDT
Completed Phase 1 Interventional

The Physiological Responses and Adaptation of Brown Adipose Tissue to Chronic Treatment With Beta3-Adrenergic Receptor Agonists

NCT03049462
View directory record Official record
Conditions
Polycystic Ovary Syndrome
Interventions
Mirabegron, B Complex Plus Vitamin C Tablets
Drug · Other
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
18 Years to 40 Years
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2026
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Sep 11, 2026, 2:08 PM 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 11, 2026, 2:08 PM EDT
Terminated Phase 2 Interventional Results available

Docetaxel With or Without Ascorbic Acid in Treating Patients With Metastatic Prostate Cancer

NCT02516670
View directory record Official record
Conditions
Hormone-Resistant Prostate Cancer, Metastatic Prostate Carcinoma, Stage IV Prostate Cancer
Interventions
Ascorbic Acid, Docetaxel, Laboratory Biomarker Analysis, Pharmacological Study, Placebo, Quality-of-Life Assessment
Dietary Supplement · Drug · Other
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older · Male only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
6
States / cities
Washington D.C., District of Columbia • Annapolis, Maryland • Baltimore, Maryland + 3 more
Source: ClinicalTrials.gov public record
Updated Jun 6, 2023 · Synced Sep 11, 2026, 2:08 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Vitamin/Mineral Absorption From Two Different Supplements

NCT05336994
View directory record Official record
Conditions
Healthy Nutrition
Interventions
Multivitamin/mineral supplement A, Multivitamin/mineral supplement B
Dietary Supplement
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 32 Years
Enrollment
17 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Sep 1, 2022 · Synced Sep 11, 2026, 2:08 PM EDT
Completed Phase 1 Interventional Results available

Phase I Vorinostat in Combination With Niacinamide and Etoposide for Lymphoid Malignancies

NCT00691210
View directory record Official record
Conditions
Hodgkin's Disease, Non-Hodgkin's Lymphoma
Interventions
Vorinostat, Niacinamide, Etoposide
Drug
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 19, 2020 · Synced Sep 11, 2026, 2:08 PM EDT
Completed Not applicable Interventional

Vitamin C and Cardiovascular Risk

NCT00534014
View directory record Official record
Conditions
Atherosclerosis, Type 2 Diabetes
Interventions
Vitamin C
Dietary Supplement
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years to 75 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Mar 11, 2024 · Synced Sep 11, 2026, 2:08 PM EDT
Completed Phase 4 Interventional Results available

Trial to Evaluate Anticoagulation Therapy in Hemodialysis Patients With Atrial Fibrillation

NCT02942407
View directory record Official record
Conditions
Atrial Fibrillation, End Stage Renal Disease
Interventions
apixaban, warfarin
Drug
Lead sponsor
Christopher Granger, MD
Other
Eligibility
18 Years and older
Enrollment
154 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
58
States / cities
Huntsville, Alabama • Fresno, California • Long Beach, California + 52 more
Source: ClinicalTrials.gov public record
Updated Dec 28, 2020 · Synced Sep 11, 2026, 2:08 PM EDT
Completed Not applicable Interventional Results available

Vitamins in Nitrous Oxide Study

NCT00655980
View directory record Official record
Conditions
Major Surgery, Coronary Artery Disease
Interventions
Vitamin B12 and folic acid, Nitrous oxide and placebo, standard of care
Drug · Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
687 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2016
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 30, 2020 · Synced Sep 11, 2026, 2:08 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Dried Plums Prevent Inflammation And Improve Bone Health in Osteopenic Men

NCT03408119
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Oct 6, 2022 · Synced Sep 11, 2026, 2:08 PM EDT
Completed Phase 3 Interventional

Osteoporosis Prevention After Heart Transplant

NCT00000412
View directory record Official record
Conditions
Osteoporosis, Cardiac Transplantation
Interventions
Alendronate, Calcitriol, Placebo Alendronate, Placebo Calcitriol
Drug
Lead sponsor
Columbia University
Other
Eligibility
20 Years to 70 Years
Enrollment
149 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1997 – 2002
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 6, 2015 · Synced Sep 11, 2026, 2:08 PM EDT
Completed Phase 3 Interventional Results available

Lume Lung 2 : BIBF 1120 Plus Pemetrexed Compared to Placebo Plus Pemetrexed in 2nd Line Nonsquamous NSCLC

NCT00806819
View directory record Official record
Conditions
Carcinoma, Non-Small-Cell Lung
Interventions
Nintedanib (BIBF1120), Pemetrexed, B12, dexamethasone (or corticosteroid equivalent), placebo, Folic Acid
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years and older
Enrollment
718 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2015
U.S. locations
40
States / cities
Downy, California • Fountain Valley, California • Fullerton, California + 37 more
Source: ClinicalTrials.gov public record
Updated Feb 1, 2017 · Synced Sep 11, 2026, 2:08 PM EDT
Completed Not applicable Interventional

The Effect of Methylated Vitamin B Complex on Depression

NCT01672372
View directory record Official record
Conditions
Depression
Interventions
Max Stress B, Placebo Max Stress B
Dietary Supplement
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Aug 5, 2014 · Synced Sep 11, 2026, 2:08 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

The Effect of Oral Vitamin D Versus Narrow-Band UV-B Exposure on the Lipid Profile

NCT01688102
View directory record Official record
Conditions
Vitamin D Deficiency
Interventions
Oral Vitamin D3, Ultraviolet Light
Dietary Supplement · Radiation
Lead sponsor
Rockefeller University
Other
Eligibility
18 Years to 70 Years
Enrollment
118 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 5, 2017 · Synced Sep 11, 2026, 2:08 PM EDT