Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 19, 2026, 7:39 AM EDT

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

Showing 1–24 of 167 matching trials from the live ClinicalTrials.gov search.
Conditions
Safety, Tolerance
Interventions
Crystal Light (once serving), Liquid IV with amino acids (one serving), Liquid IV with amino acids (two servings), Liquid IV with amino acids (three servings)
Dietary Supplement
Lead sponsor
University of Memphis
Other
Eligibility
18 Years to 50 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Memphis, Tennessee
Conditions
Autistic Disorder
Interventions
Methyl B12, Placebo
Drug · Dietary Supplement
Lead sponsor
University of California, San Francisco
Other
Eligibility
3 Years to 7 Years
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
1
States / cities
San Francisco, California
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
Conditions
Aphthous Stomatitis
Interventions
multivitamin
Dietary Supplement
Lead sponsor
UConn Health
Other
Eligibility
18 Years and older
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
Farmington, Connecticut
Conditions
HR-positive Breast Cancer
Interventions
Vitamin B12, Blood collection, Brief Pain Inventory - Short Form survey, FACT-ES Trial Outcome Index (Version 4), Questionnaire to Assess Adherence to Aromatase Inhibitors, Demographics Questionnaire
Dietary Supplement · Other
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
19 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Cleveland, Ohio
Completed Early Phase 1 Interventional Accepts healthy volunteers

Effects of Vitamin B12 Treatment in Singers

NCT03437824
Conditions
Vitamin B 12 Deficiency
Interventions
Cyanocobalamin, Placebo
Drug
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Glucose Intolerance, Overweight and Obesity, Drug Effect, Adiposity
Interventions
Cyanocobalamin, Dulaglutide
Drug
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years to 50 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Houston, Texas
Conditions
Abnormal Uterine Bleeding
Interventions
Blood management, Usual care
Other
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Cleveland, Ohio
Completed Not applicable Interventional Accepts healthy volunteers

A Clinical Trial to Assess the Effects of a Vitamin Shot on Energy Levels

NCT06019858
Conditions
Energy, Fatigue, Mood, Weight Loss, Cognition
Interventions
Vitamin Energy Shot
Other
Lead sponsor
Vitamin Energy®
Industry
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Santa Monica, California
Conditions
Chordomas, Chordoma
Interventions
Pembrolizumab, Pemetrexed Phase 2
Drug
Lead sponsor
Saint John's Cancer Institute
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Santa Monica, California
Terminated Not applicable Interventional Accepts healthy volunteers

Long-acting Biomedical HIV Prevention in Transgender Women

NCT03856580
Conditions
HIV Prevention, Transgender Women
Interventions
Alternative long-acting PrEP injection strategies, mHealth adherence app
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 100 Years · Male only
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
New York, New York
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
Completed Not applicable Interventional Results available

VITATOPS: A Study of VITAmins TO Prevent Stroke

NCT00097669
Conditions
Stroke, Transient Ischemic Attack
Interventions
Active VITATOPS Tablet (folic acid 2mg, B6 25mg , B12 500ug) or placebo, Placebo
Drug · Other
Lead sponsor
VITATOPS
Government
Eligibility
Not listed
Enrollment
8,164 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2009
U.S. locations
4
States / cities
New York, New York • Abington, Pennsylvania • Columbia, South Carolina
Completed Phase 3 Interventional Results available

A Study for Patients With Head and Neck Cancer

NCT00415194
Conditions
Head and Neck Neoplasms
Interventions
pemetrexed, cisplatin, placebo
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older
Enrollment
795 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
15
States / cities
Orange, California • Orlando, Florida • St. Petersburg, Florida + 12 more
Completed No phase listed Observational Accepts healthy volunteers

Metformin Use and Vitamin B12 Deficiency

NCT01136512
Conditions
Vitamin B12 Deficiency, Type 2 Diabetes Mellitus
Interventions
Not listed
Lead sponsor
Northwell Health
Other
Eligibility
20 Years to 80 Years
Enrollment
89 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Staten Island, New York
Conditions
Congestive Heart Failure, Ischemic Cardiomyopathy
Interventions
Micronutrients
Drug
Lead sponsor
Phoenix VA Health Care System
Federal
Eligibility
18 Years to 89 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
1
States / cities
Phoenix, Arizona
Conditions
Coronary Microvascular Dysfunction
Interventions
Polyphenol-Rich Plant-Based Diet
Other
Lead sponsor
Emory University
Other
Eligibility
45 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Atlanta, Georgia
Conditions
Non-small Cell Lung Cancer (NSCLC), Lung Cancer, Neoplasm Metastasis
Interventions
Bevacizumab, Pemetrexed, Vitamin B12, Folate, Dexamethasone
Drug
Lead sponsor
Heather Wakelee
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2016
U.S. locations
4
States / cities
Stanford, California • Lebanon, New Hampshire • Voorhees Township, New Jersey + 1 more
Conditions
Polycystic Ovary Syndrome, Premenstrual Syndrome
Interventions
Female Hormone Balance Supplement
Dietary Supplement
Lead sponsor
Rael
Industry
Eligibility
18 Years to 55 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Santa Monica, California
Completed Phase 1 Interventional Results available

A Phase 1 Study in Patients With Solid Tumors

NCT01215916
Conditions
Solid Tumors
Interventions
LY573636, Pemetrexed
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
18 Years and older
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
1
States / cities
New Brunswick, New Jersey
Conditions
Relapsed Peripheral T-Cell Lymphoma, Refractory Peripheral T-Cell Lymphoma
Interventions
Folotyn and Leucovorin, Folic Acid, Vitamin B12
Drug
Lead sponsor
Acrotech Biopharma Inc.
Industry
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
3
States / cities
Duarte, California • Wichita, Kansas • Seattle, Washington
Conditions
Peripheral T-cell Lymphoma
Interventions
Pralatrexate Injection
Drug
Lead sponsor
Acrotech Biopharma Inc.
Industry
Eligibility
18 Years and older
Enrollment
115 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
18
States / cities
Duarte, California • Los Angeles, California • New Haven, Connecticut + 13 more
Completed Phase 2 Interventional Results available

A Trial of Vitamin B12 in Septic Shock

NCT03783091
Conditions
Septic Shock
Interventions
Hydroxocobalamin, Placebo
Drug
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Conditions
Hypertension
Interventions
NEO40 Daily
Dietary Supplement
Lead sponsor
Hypertension Institute, Nashville
Other
Eligibility
18 Years to 75 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Nashville, Tennessee