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ClinicalTrials.gov public records Last synced Oct 26, 2026, 1:13 PM EDT

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Showing 1–24 of 44 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Oral Multivitamin Clear all
Completed Phase 1 Interventional

Burn Micronutrient Repletion Pilot Study

NCT00879723
View directory record Official record
Conditions
Burn
Interventions
Vitamin and Mineral supplementation
Dietary Supplement
Lead sponsor
Southern Illinois University
Other
Eligibility
19 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Springfield, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 26, 2015 · Synced Oct 26, 2026, 1:13 PM EDT
Completed Phase 2Phase 3 Interventional

Prometa Pharmacotherapy for Methamphetamine Dependence

NCT00260481
View directory record Official record
Conditions
Drug Abuse, Drug Dependence
Interventions
Prometa, Placebo
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 22, 2016 · Synced Oct 26, 2026, 1:13 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Trial of Antibody Responses by Vitamin Supplementation

NCT03859687
View directory record Official record
Conditions
Healthy Participants
Interventions
Vitamin A supplementation, No vitamin A supplementation
Biological
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
1 Year to 4 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2025
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 5, 2025 · Synced Oct 26, 2026, 1:13 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Folic Acid Supplementation in Pregnant Women: Dose Response

NCT02124642
View directory record Official record
Conditions
Pregnancy
Interventions
Folic acid, 400 mcg/day, Folic acid 800 mcg/day
Dietary Supplement
Lead sponsor
University of Georgia
Other
Eligibility
18 Years to 40 Years · Female only
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
Athens, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 5, 2018 · Synced Oct 26, 2026, 1:13 PM EDT
Completed Phase 3 Interventional

Nutrition, Immunology and Epidemiology of Tuberculosis

NCT00197704
View directory record Official record
Conditions
Tuberculosis
Interventions
Multivitamins, Placebo
Dietary Supplement · Other
Lead sponsor
Harvard School of Public Health (HSPH)
Other
Eligibility
18 Years and older
Enrollment
876 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2004
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 11, 2010 · Synced Oct 26, 2026, 1:13 PM EDT
Completed Phase 3 Interventional Results available

Zoledronate in Preventing Skeletal (Bone)-Related Events in Men Who Are Receiving Androgen Deprivation Therapy For Prostate Cancer and Bone Metastases

NCT00079001
View directory record Official record
Conditions
Metastatic Cancer, Prostate Cancer
Interventions
zoledronic acid, placebo, androgen deprivation therapy, GnRH agonist, Calcium supplement, Vitamin D
Drug · Other · Dietary Supplement
Lead sponsor
Alliance for Clinical Trials in Oncology
Other
Eligibility
18 Years and older · Male only
Enrollment
645 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2014
U.S. locations
238
States / cities
Mobile, Alabama • Fort Smith, Arkansas • Little Rock, Arkansas + 159 more
Source: ClinicalTrials.gov public record
Updated May 12, 2020 · Synced Oct 26, 2026, 1:13 PM EDT
Completed Phase 3 Interventional Results available

Trial to Assess Chelation Therapy 2

NCT02733185
View directory record Official record
Conditions
Diabetes, Myocardial Infarction
Interventions
disodium EDTA, Oral Multi Vitamins/Minerals (OMVM), Placebo disodium EDTA, Placebo Oral Multi Vitamins/Minerals (OMVM)
Drug · Dietary Supplement
Lead sponsor
Mt. Sinai Medical Center, Miami
Other
Eligibility
50 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
1
States / cities
Miami Beach, Florida
Source: ClinicalTrials.gov public record
Updated Mar 30, 2025 · Synced Oct 26, 2026, 1:13 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Combinatorial Nutritional Supplementation on Immune Function in Healthy Older Adults

NCT02876315
View directory record Official record
Conditions
Vitamin D Deficiency
Interventions
Redoxon VI, placebo
Dietary Supplement
Lead sponsor
Oregon State University
Other
Eligibility
55 Years to 75 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Corvallis, Oregon
Source: ClinicalTrials.gov public record
Updated Dec 1, 2022 · Synced Oct 26, 2026, 1:13 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Supplementary Vitamins on Oxidant Gene Expression in the Lungs of Healthy Smokers

NCT00565214
View directory record Official record
Conditions
Chronic Obstructive Pulmonary Disease (COPD)
Interventions
Group 1, Group 2
Dietary Supplement
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 70 Years
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 25, 2017 · Synced Oct 26, 2026, 1:13 PM EDT
Active, not recruiting Phase 2 Interventional

Controlled Trial of Omadacycline Randomized Treatment Given for Bone and Joint Infection

NCT05753215
View directory record Official record
Conditions
Bone Infection, Joint Infection, Bone and Joint Infection
Interventions
Omadacycline Pill, Standard of Care
Drug
Lead sponsor
Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center
Other
Eligibility
18 Years to 85 Years
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Torrance, California
Source: ClinicalTrials.gov public record
Updated Jan 14, 2026 · Synced Oct 26, 2026, 1:13 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Trial Comparing Iron Supplementation Versus Routine Iron Intake in Very Low Birth Weight Infants

NCT01125163
View directory record Official record
Conditions
Iron Deficiency Anemia
Interventions
Iron Supplement, multivitamin
Dietary Supplement
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
24 Weeks to 32 Weeks
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 4, 2019 · Synced Oct 26, 2026, 1:13 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

The Benefits of Natural Medicine, Vitamin IV Therapy and Supplements: Maintaining Good Health Through Nature

NCT05067998
View directory record Official record
Conditions
Anxiety Disorders and Symptoms, Fibromyalgia, Arthritis, Chronic Pain, Hypertension,Essential
Interventions
IV Vitamin Infused Therapy Treatment, Herbal medicine
Dietary Supplement · Drug
Lead sponsor
Faith A. Richardson
Other
Eligibility
21 Years to 80 Years
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Dover, Delaware
Source: ClinicalTrials.gov public record
Updated Sep 23, 2025 · Synced Oct 26, 2026, 1:13 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Vitamin Supplementation After Bariatric Surgery

NCT02686905
View directory record Official record
Conditions
Complications of Bariatric Procedures, Avitaminosis
Interventions
Chewable Multivitamin with Iron, PatchMD Vitamin D3/Calcium Patch, PatchMD Multivitamin Patch, PatchMD B12 Energy Plus Patch, Chewable Calcium, Quick Dissolve B12
Dietary Supplement
Lead sponsor
California State Polytechnic University, Pomona
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Brea, California
Source: ClinicalTrials.gov public record
Updated Sep 30, 2016 · Synced Oct 26, 2026, 1:13 PM EDT
Completed Not applicable Interventional

Perioperative Oral Nutrition Intervention for Patients Undergoing Radical Cystectomy

NCT02050451
View directory record Official record
Conditions
Bladder Cancer
Interventions
Ensure Plus®, Multivitamin
Dietary Supplement
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 90 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 29, 2017 · Synced Oct 26, 2026, 1:13 PM EDT
Not yet recruiting Not applicable Interventional

Vitamin A Supplementation and Breast Milk Vitamin A Levels in Mothers of Preterm Infants

NCT07736768
View directory record Official record
Conditions
Premature, Preterm Infant Health, Vitamin A Deficiency, Human Milk, Breastfeeding
Interventions
Oral multivitamin containing vitamin A
Dietary Supplement
Lead sponsor
University of Mississippi Medical Center
Other
Eligibility
18 Years to 45 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Jackson, Mississippi
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Oct 26, 2026, 1:13 PM EDT
Completed Phase 3 Interventional

Multivitamin Dosage Regimens in the Prevention of Adverse Pregnancy Outcomes Among HIV-Positive Women

NCT00197678
View directory record Official record
Conditions
HIV Infections
Interventions
Multivitamins-Multiples of RDA, Multivitamins-Single RDA
Dietary Supplement
Lead sponsor
Harvard School of Public Health (HSPH)
Other
Eligibility
18 Years and older · Female only
Enrollment
1,141 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2005
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 11, 2010 · Synced Oct 26, 2026, 1:13 PM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety Study of Leukocyte Interleukin,Injection (LI) to Treat Cancer of the Oral Cavity

NCT01265849
View directory record Official record
Conditions
Squamous Cell Carcinoma of the Oral Cavity, Squamous Cell Carcinoma of the Soft Palate
Interventions
LI, Cyclophosphamide, Indomethacin, Zinc, Surgery, Cisplatin, Radiotherapy
Biological · Drug · Dietary Supplement + 2 more
Lead sponsor
CEL-SCI Corporation
Industry
Eligibility
18 Years and older
Enrollment
928 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2020
U.S. locations
5
States / cities
Springfield, Illinois • Detroit, Michigan • Cincinnati, Ohio + 2 more
Source: ClinicalTrials.gov public record
Updated Aug 19, 2022 · Synced Oct 26, 2026, 1:13 PM EDT
Withdrawn Phase 4 Interventional

Histidine Oral Supplementation as a Therapeutic Modality for Alzheimer's Disease

NCT06169826
View directory record Official record
Conditions
Alzheimer Disease
Interventions
l-Histidine, Control
Drug · Other
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
50 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 27, 2025 · Synced Oct 26, 2026, 1:13 PM EDT
Completed Phase 2 Interventional Results available

Calcitriol, Physical Activity, and Bone Health in Cancer Survivors

NCT00904033
View directory record Official record
Conditions
Breast Neoplasms, Bone and Bones
Interventions
Calcitriol, Exercise, Multivitamin
Drug · Behavioral · Dietary Supplement
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older · Female only
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2018
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Apr 23, 2019 · Synced Oct 26, 2026, 1:13 PM EDT
Completed Phase 3 Interventional Results available

Prevention of Osteoporosis in Bone Marrow Transplantation (BMT) Patients

NCT00824993
View directory record Official record
Conditions
Hematological Malignancies
Interventions
Ibandronate, Vitamin Supplements
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2017
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 13, 2018 · Synced Oct 26, 2026, 1:13 PM EDT
Completed Phase 2 Interventional Results available

Prospective Analysis of the Use of N-Acetylcysteine and Vitamins in the Treatment of TBI in Geriatric Patients

NCT04291066
View directory record Official record
Conditions
Traumatic Brain Injury
Interventions
N-Acetyl cysteine
Drug
Lead sponsor
HonorHealth Research Institute
Other
Eligibility
60 Years to 100 Years
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
2
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated May 1, 2026 · Synced Oct 26, 2026, 1:13 PM EDT
Not listed Phase 2 Interventional

An Open Label Trial to Evaluate the Effects of a Novel Renal Multivitamin on Inflammation and Other Biomarkers in Endstage Renal Disease Patients

NCT00834301
View directory record Official record
Conditions
Hyperphosphatemia, Inflammation, Renal Disease
Interventions
Oral Multivitamin
Dietary Supplement
Lead sponsor
Nephrian
Industry
Eligibility
18 Years to 80 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
1
States / cities
Simi Valley, California
Source: ClinicalTrials.gov public record
Updated Feb 3, 2009 · Synced Oct 26, 2026, 1:13 PM EDT
Withdrawn Phase 2 Interventional

Chronic Fatigue Syndrome: A Presumptive Mitochondrial Disorder

NCT01471652
View directory record Official record
Conditions
Chronic Fatigue Syndrome
Interventions
Nutraceutical supplements, Placebo
Drug
Lead sponsor
Columbia University
Other
Eligibility
25 Years to 55 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 13, 2015 · Synced Oct 26, 2026, 1:13 PM EDT
Completed Not applicable Interventional Results available

Vitamin D Absorption in HIV Infected Young Adults Being Treated With Tenofovir Containing cART

NCT01751646
View directory record Official record
Conditions
HIV Infection
Interventions
Vitamin D3 50,000 IU, Vitamin D3 placebo
Dietary Supplement
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
16 Years to 24 Years
Enrollment
214 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
16
States / cities
Los Angeles, California • Washington D.C., District of Columbia • Fort Lauderdale, Florida + 11 more
Source: ClinicalTrials.gov public record
Updated Mar 27, 2019 · Synced Oct 26, 2026, 1:13 PM EDT