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Showing 1–24 of 164 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Hydroxocobalamin Clear all
Completed Phase 2 Interventional

Prevention of Atherosclerosis and Heart Disease in Patients With Systemic Lupus Erythematosis (SLE)

NCT00054938
View directory record Official record
Conditions
Systemic Lupus Erythematosus, Lupus
Interventions
pravastatin, aspirin, ramipril, Vitamins: B6, B12, and folate, heart health educational program
Drug · Behavioral
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 23, 2013 · Synced Sep 5, 2026, 2:21 AM 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 5, 2026, 2:21 AM EDT
Terminated Phase 2 Interventional Results available

MemoryXL Effects on Mild Cognitive Impairment Patients

NCT00903695
View directory record Official record
Conditions
Mild Cognitive Impairment
Interventions
Memory XL, placebo
Drug
Lead sponsor
University of Oklahoma
Other
Eligibility
55 Years to 85 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
2
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jan 25, 2012 · Synced Sep 5, 2026, 2:21 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Cobalamin Absorption From Fortified Food

NCT01399164
View directory record Official record
Conditions
Vitamin B-12 Deficiency, Achlorhydria
Interventions
14C-B12 fortified bread
Other
Lead sponsor
USDA, Western Human Nutrition Research Center
Federal
Eligibility
60 Years and older
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
Davis, California
Source: ClinicalTrials.gov public record
Updated Oct 21, 2013 · Synced Sep 5, 2026, 2:21 AM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

BVAIT: B-Vitamin Atherosclerosis Intervention Trial

NCT00114400
View directory record Official record
Conditions
Atherosclerosis
Interventions
folic acid, vitamin B12, vitamin B6
Drug
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
40 Years and older
Enrollment
506 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2007
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 10, 2009 · Synced Sep 5, 2026, 2:21 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Néevo®/NéevoDHA® P.L.U.S. Program (Progress Through Learning, Understand & Support)

NCT01358552
View directory record Official record
Conditions
Pregnancy
Interventions
Néevo®/ NéevoDHA®
Other
Lead sponsor
Pamlab, Inc.
Industry
Eligibility
18 Years to 39 Years · Female only
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Corpus Christi, Texas
Source: ClinicalTrials.gov public record
Updated Apr 30, 2013 · Synced Sep 5, 2026, 2:21 AM EDT
Completed Not applicable Interventional

Effect of High-Dose B-Complex Vitamins on the Symptoms of Schizophrenia

NCT00403247
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Capsule with folate, Vitamin B12 & pyridoxine, placebo
Dietary Supplement · Other
Lead sponsor
Nathan Kline Institute for Psychiatric Research
Other
Eligibility
18 Years to 65 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
1
States / cities
Orangeburg, New York
Source: ClinicalTrials.gov public record
Updated Aug 22, 2007 · Synced Sep 5, 2026, 2:21 AM EDT
Completed Phase 2Phase 3 Interventional

Efficacy of a Novel Multivitamin-Mineral Supplement in Preventing Vitamin Deficiency in Postoperative Bariatric Patients

NCT01475617
View directory record Official record
Conditions
Bariatric Surgery Candidate
Interventions
AquaVanta Chewable Tablet, Flinstones Complete, Nature Made Calcium Softgels, Twin Labs Iron Caps, Rexall Vitamin B12 Tablet
Dietary Supplement
Lead sponsor
Yasoo Health
Industry
Eligibility
18 Years to 65 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 21, 2015 · Synced Sep 5, 2026, 2:21 AM EDT
Completed Phase 4 Interventional Results available

Metformin for Overweight & OBese ChILdren and Adolescents With BDS Treated With SGAs

NCT02515773
View directory record Official record
Conditions
Bipolar Disorder
Interventions
Metformin, healthy lifestyle intervention (LIFE)
Drug · Behavioral
Lead sponsor
Melissa Delbello
Other
Eligibility
8 Years to 19 Years
Enrollment
1,565 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2023
U.S. locations
29
States / cities
Covington, Kentucky • Neptune City, New Jersey • Amityville, New York + 13 more
Source: ClinicalTrials.gov public record
Updated Jan 13, 2025 · Synced Sep 5, 2026, 2:21 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Study to Evaluate a Postbiotic in Supporting Weight Loss and Metabolic Health

NCT06911073
View directory record Official record
Conditions
Obesity and Overweight
Interventions
Postbiotic, Placebo
Dietary Supplement
Lead sponsor
ResBiotic Nutrition, Inc.
Industry
Eligibility
18 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 13, 2026 · Synced Sep 5, 2026, 2:21 AM EDT
Terminated Phase 2 Interventional

KEAPSAKE: A Study of Telaglenastat (CB-839) With Standard-of-Care Chemoimmunotherapy in 1L KEAP1/NRF2-Mutated, Nonsquamous NSCLC

NCT04265534
View directory record Official record
Conditions
Non-Small Cell Lung Cancer, Non-squamous Non-small-cell Lung Cancer, Non-Squamous Non-Small Cell Neoplasm of Lung, KEAP1 Gene Mutation, NRF2 Gene Mutation, NFE2L2 Gene Mutation
Interventions
Telaglenastat, Carboplatin Chemotherapy, Pemetrexed Chemotherapy, Pembrolizumab Immunotherapy, Placebo, Folic acid 400 -1000 μg, Vitamin B12 1000 μg, Dexamethasone 4 mg
Drug · Biological · Dietary Supplement
Lead sponsor
Calithera Biosciences, Inc
Industry
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
102
States / cities
Birmingham, Alabama • Mobile, Alabama • Yuma, Arizona + 86 more
Source: ClinicalTrials.gov public record
Updated Sep 20, 2022 · Synced Sep 5, 2026, 2:21 AM EDT
Completed No phase listed Observational

Vitamins, Breastmilk HIV Shedding, and Child Health

NCT00197756
View directory record Official record
Conditions
Maternal and Child Health Outcomes
Interventions
Vitamin A alone, Multivitamins excluding vitamin A, multivitamins including vitamin A, Placebo
Dietary Supplement · Other
Lead sponsor
Harvard School of Public Health (HSPH)
Other
Eligibility
18 Years and older · Female only
Enrollment
771 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 20, 2009 · Synced Sep 5, 2026, 2:21 AM EDT
Completed Not applicable Interventional

Treating Oxidative Stress in Children With Autism

NCT00692315
View directory record Official record
Conditions
Autistic Disorder
Interventions
Methylcobalamin (methylB12)
Drug
Lead sponsor
Arkansas Children's Hospital Research Institute
Other
Eligibility
3 Years to 7 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Apr 14, 2016 · Synced Sep 5, 2026, 2:21 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Administrative Claims Analysis of Metanx® in Diabetic Peripheral Neuropathy

NCT01247558
View directory record Official record
Conditions
Diabetic Peripheral Neuropathy (DPN)
Interventions
Metanx® (a medical food), Not treated with Metanx®
Other
Lead sponsor
Pamlab, L.L.C.
Industry
Eligibility
25 Years to 80 Years
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Wilmington, Delaware
Source: ClinicalTrials.gov public record
Updated Jul 24, 2012 · Synced Sep 5, 2026, 2:21 AM EDT
Not listed Not applicable Interventional

Prospective Study of Adjunctive Carotenoids Plus Anti-oxidants in Anti-VEGF Treated Diabetic Macular Edema

NCT03866005
View directory record Official record
Conditions
Center-involved Diabetic Macular Edema (CI-DME)
Interventions
Diabetes Visual Function Study (DiVFuSS) softgels, canola oil placebo softgels, 2 per day
Dietary Supplement · Other
Lead sponsor
ZeaVision, LLC
Industry
Eligibility
18 Years to 80 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
2
States / cities
Olympia, Washington • Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated Jul 1, 2020 · Synced Sep 5, 2026, 2:21 AM EDT
Completed Phase 2 Interventional

Effects of MEDI-522 On Disease Activity and Progression of Joint Damage in Patients With Active Rheumatoid Arthritis Suboptimally Responding to Methotrexate

NCT00069017
View directory record Official record
Conditions
Rheumatoid Arthritis
Interventions
MEDI-522, Placebo
Biological · Other
Lead sponsor
MedImmune LLC
Industry
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2006
U.S. locations
29
States / cities
Birmingham, Alabama • Glendale, Arizona • Phoenix, Arizona + 24 more
Source: ClinicalTrials.gov public record
Updated Nov 26, 2007 · Synced Sep 5, 2026, 2:21 AM EDT
Active, not recruiting Phase 2Phase 3 Interventional

Testing the Use of Combination Immunotherapy Treatment (N-803 [ALT-803] Plus Pembrolizumab) Against the Usual Treatment for Advanced Non-small Cell Lung Cancer (A Lung-MAP Treatment Trial)

NCT05096663
View directory record Official record
Conditions
Advanced Lung Non-Small Cell Carcinoma, Recurrent Lung Non-Small Cell Carcinoma, Stage III Lung Cancer AJCC v8, Stage IIIA Lung Cancer AJCC v8, Stage IIIB Lung Cancer AJCC v8, Stage IIIC Lung Cancer AJCC v8, Stage IV Lung Cancer AJCC v8, Stage IVA Lung Cancer AJCC v8, Stage IVB Lung Cancer AJCC v8
Interventions
Cobalamin, Dexamethasone, Docetaxel, Folic Acid, Gemcitabine, Nogapendekin Alfa, Pembrolizumab, Pemetrexed, Ramucirumab
Dietary Supplement · Drug · Biological
Lead sponsor
SWOG Cancer Research Network
Network
Eligibility
Not listed
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
350
States / cities
Birmingham, Alabama • Goodyear, Arizona • Little Rock, Arkansas + 280 more
Source: ClinicalTrials.gov public record
Updated May 17, 2026 · Synced Sep 5, 2026, 2:21 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effectiveness of a Nutraceutical in Raising Circulating Serum Vitamin, Mineral and Amino Acid Levels in Patients.

NCT04054505
View directory record Official record
Conditions
Vitamin Deficiency
Interventions
EZPAK, Placebo
Dietary Supplement
Lead sponsor
Optimal Health Research
Other
Eligibility
26 Years to 75 Years
Enrollment
275 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jul 9, 2024 · Synced Sep 5, 2026, 2:21 AM EDT
Terminated Phase 2 Interventional Results available

Vitamin B12a Vasoplegic Syndrome

NCT03735316
View directory record Official record
Conditions
Vasoplegic Syndrome
Interventions
Hydroxocobalamin, Cardiopulmonary Bypass, Placebos
Drug · Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 9, 2023 · Synced Sep 5, 2026, 2:21 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

Sirolimus and Pemetrexed to Treat Non-Small Cell Lung Cancer

NCT00923273
View directory record Official record
Conditions
Carcinoma, Non-Small-Cell Lung
Interventions
FDG-PET, Pemetrexed, Sirolimus, Vitamin B12, Folic acid tablets, Dexamethasone tablets
Drug · Dietary Supplement
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 25, 2019 · Synced Sep 5, 2026, 2:21 AM EDT
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers

Low-dose Iron Supplementation and Markers of Iron Status Among Non-anemic, Iron-deficient Women

NCT02683369
View directory record Official record
Conditions
Non-anemic Iron Deficiency
Interventions
Blood Builder®/Iron Response®
Dietary Supplement
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 15, 2019 · Synced Sep 5, 2026, 2:21 AM EDT
Recruiting Not applicable Interventional

Changes in Movement, Fitness, and Quality of Life in People With Parkinson's Disease After Different Exercise Programs

NCT07221266
View directory record Official record
Conditions
Parkinson Disease (PD)
Interventions
Guided Cycling, Non-Contact Boxing, Traditional Physical Therapy Program (Standard of Care)
Behavioral
Lead sponsor
University of Texas, El Paso
Other
Eligibility
50 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
2
States / cities
El Paso, Texas
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced Sep 5, 2026, 2:21 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Misoprostol Versus Dilapan-S for Cervical Preparation

NCT00835731
View directory record Official record
Conditions
Cervical Ripening
Interventions
misoprostol, Dilapan-S, vitamin B-12
Drug · Device
Lead sponsor
Planned Parenthood League of Massachusetts
Other
Eligibility
18 Years and older · Female only
Enrollment
125 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 22, 2017 · Synced Sep 5, 2026, 2:21 AM EDT
Completed Phase 1 Interventional

Pralatrexate and Bexarotene in Patients With Relapsed or Refractory Cutaneous T-cell Lymphoma

NCT01134341
View directory record Official record
Conditions
Cutaneous T-cell Lymphoma, Mycosis Fungoides, Sezary Syndrome, Primary Cutaneous Anaplastic Large Cell Lymphoma
Interventions
Pralatrexate Injection, Bexarotene Capsules, Vitamin B12, Folic Acid
Drug · Dietary Supplement
Lead sponsor
Acrotech Biopharma Inc.
Industry
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
4
States / cities
Stanford, California • New York, New York • Pittsburgh, Pennsylvania + 1 more
Source: ClinicalTrials.gov public record
Updated Dec 17, 2019 · Synced Sep 5, 2026, 2:21 AM EDT