Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 2, 2026, 4:11 AM EDT

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Showing 1–24 of 101 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
HIV Infections, Tuberculosis
Interventions
Ethambutol hydrochloride, Isoniazid, Pyrazinamide, Pyridoxine hydrochloride, Rifampin
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
13
States / cities
Los Angeles, California • Torrance, California • Miami, Florida + 7 more
Conditions
Parkinson's Disease
Interventions
PD vitamin supplementation, PD exercise intervention, PD vitamin + exercise
Dietary Supplement · Other
Lead sponsor
New York Institute of Technology
Other
Eligibility
50 Years to 80 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Old Westbury, New York
Conditions
Type 2 Diabetic Peripheral Neuropathy (DPN)
Interventions
Metanx (a medical food), Metanx placebo
Other
Lead sponsor
Pamlab, Inc.
Industry
Eligibility
25 Years to 80 Years
Enrollment
214 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
6
States / cities
Birmingham, Alabama • New Orleans, Louisiana • Omaha, Nebraska + 3 more
Conditions
Latent Tuberculosis
Interventions
Rifapentine 600 mg orally, Isoniazid 900 mg orally, Pyridoxine 50 mg orally
Drug
Lead sponsor
St. Louis University
Other
Eligibility
18 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
St Louis, Missouri
Completed No phase listed Observational Accepts healthy volunteers

Absorption of Transdermal Vitamins in Post Bariatric Surgery Patients

NCT03360435
Conditions
Bariatric Surgery Candidate, Vitamin Deficiency, Mineral Deficiency
Interventions
Patch MD MultiVitamin Plus patch
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
99 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2021
U.S. locations
1
States / cities
Gainesville, Florida
Conditions
HIV Infections, Tuberculosis
Interventions
Isoniazid, Pyrazinamide, Pyridoxine hydrochloride, Rifampin
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
2,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1999
U.S. locations
75
States / cities
Birmingham, Alabama • Los Angeles, California • Oakland, California + 39 more
Conditions
Hand and Foot Syndrome
Interventions
Vitamin B 6, placebo
Drug
Lead sponsor
Cook County Health
Government
Eligibility
Not listed
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Chicago, Illinois
Completed Phase 2 Interventional Results available

Alii Supplement Study

NCT07271316
Conditions
Nutrient Deficiency, Happiness, Digestive Health, Vulnerability to Disease, Mood Swings, Energy
Interventions
Alii Supplement
Dietary Supplement
Lead sponsor
Texas Christian University
Other
Eligibility
18 Years to 25 Years · Female only
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Fort Worth, Texas
Conditions
Tuberculosis, HIV Infections
Interventions
Rifapentine (RPT), Isoniazid (INH), Pyridoxine (Vitamin B6)
Drug · Dietary Supplement
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
3,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
21
States / cities
La Jolla, California • Los Angeles, California • San Diego, California + 17 more
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
NAFLD
Interventions
homocysteine (Hcy) lowering supplements
Dietary Supplement
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Durham, North Carolina
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
Conditions
Parkinson&Amp;#39;s Disease
Interventions
Folic Acid 1 MG, Vitamin B6 25 MG, Vitamin B12
Dietary Supplement
Lead sponsor
Oregon Health and Science University
Other
Eligibility
40 Years to 90 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Portland, Oregon
Conditions
Gyrate Atrophy
Interventions
Not listed
Lead sponsor
National Eye Institute (NEI)
NIH
Eligibility
Not listed
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1978 – 2004
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Coronary Artery Bypass Graft Surgery, Myocardial Ischemia, Reperfusion Injury
Interventions
(MC-1) Pyridoxal 5'-phosphate
Drug
Lead sponsor
Medicure
Industry
Eligibility
18 Years and older
Enrollment
3,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Vomiting of Pregnancy
Interventions
Ondansetron
Drug
Lead sponsor
United States Naval Medical Center, San Diego
Federal
Eligibility
18 Years to 90 Years · Female only
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
San Diego, California
Conditions
Recurrent Low Back Pain
Interventions
Spinal Manipulation
Procedure
Lead sponsor
University of Western States
Other
Eligibility
18 Years to 60 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Portland, Oregon
Conditions
Tuberculosis
Interventions
rifapentine, rifapentine and moxifloxacin, control
Drug
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
12 Years and older
Enrollment
2,516 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
5
States / cities
San Francisco, California • New York, New York • Fort Worth, Texas + 2 more
Completed No phase listed Observational Accepts healthy volunteers Results available

Deplin® P.L.U.S. Program (Progress Through Learning Understanding & Support)

NCT01369030
Conditions
Major Depressive Disorder
Interventions
Deplin®
Other
Lead sponsor
Pamlab, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
554 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
2
States / cities
Greensboro, North Carolina • Nashville, Tennessee
Completed No phase listed Observational Accepts healthy volunteers

Administrative Claims Analysis of Metanx® in Diabetic Peripheral Neuropathy

NCT01247558
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
Completed Not applicable Interventional Accepts healthy volunteers

The Poweroff Sleep Study

NCT03364101
Conditions
Sleep
Interventions
Placebo Capsule, POWEROFF Capsule
Dietary Supplement
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
New York, New York
Conditions
Healthy Volunteers
Interventions
Tenofovir alafenamide, Rifapentine, Isoniazid (INH), Pyridoxine
Drug · Dietary Supplement
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years to 65 Years
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Cognitive Decline, Cognitive Function
Interventions
MindMD Supplement, Placebo
Dietary Supplement · Other
Lead sponsor
Scale Media Inc
Industry
Eligibility
50 Years to 75 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Santa Monica, California
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