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Showing 1–24 of 52 matching trials from the live ClinicalTrials.gov search.
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Completed Not applicable Interventional

Metabolism of Antituberculosis Drugs in HIV-Infected Persons With Tuberculosis

NCT00000950
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 1, 2011 · Synced Sep 27, 2026, 7:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A Single-Group Study to Examine the Efficacy of a Gut Health Supplement to Increase Metabolism, Improve Gut Health, and Support Weight Management

NCT06023082
View directory record Official record
Conditions
Gut Health, Metabolism, Weight Loss, Energy
Interventions
Colon Broom Premium supplement
Dietary Supplement
Lead sponsor
Gut Health, UAB
Industry
Eligibility
30 Years to 50 Years
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Jan 12, 2025 · Synced Sep 27, 2026, 7:23 AM EDT
Completed Not applicable Interventional

Randomized Study of Folic Acid Therapy for Hyperhomocysteinemia in Patients With End Stage Renal Disease Receiving Hemodialysis

NCT00004495
View directory record Official record
Conditions
End Stage Renal Disease, Hyperhomocysteinemia
Interventions
cyanocobalamin, folic acid, pyridoxine
Drug
Lead sponsor
Georgetown University
Other
Eligibility
21 Years to 89 Years
Enrollment
84 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2000
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Mar 24, 2015 · Synced Sep 27, 2026, 7:23 AM EDT
Completed Not applicable Interventional

Preventive Treatment Against Tuberculosis (TB) in Patients With Human Immunodeficiency Virus (HIV) Infection and Confirmed Latent Tuberculous Infection

NCT00000638
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 1, 2021 · Synced Sep 27, 2026, 7:23 AM EDT
Completed Not applicable Interventional

Prophylaxis Against Tuberculosis (TB) in Patients With Human Immunodeficiency Virus (HIV) Infection and Confirmed Latent Tuberculous Infection

NCT00000636
View directory record Official record
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 1997
U.S. locations
25
States / cities
San Francisco, California • Denver, Colorado • New Haven, Connecticut + 15 more
Source: ClinicalTrials.gov public record
Updated Nov 1, 2021 · Synced Sep 27, 2026, 7:23 AM EDT
Withdrawn No phase listed Observational

Video Based Directly Observed Therapy for Latent TB

NCT03783728
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 30, 2019 · Synced Sep 27, 2026, 7:23 AM EDT
Completed No phase listed Observational

Gyrate Atrophy of the Choroid and Retina

NCT00001166
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 27, 2026, 7:23 AM EDT
Not listed Phase 1Phase 2 Interventional

Tolerability and Efficacy of RJX in Patients With COVID-19

NCT04708340
View directory record Official record
Conditions
COVID-19, Acute Respiratory Distress Syndrome, SARS-CoV-2, Hypoxemia
Interventions
Rejuveinix (RJX) Active Comparator, Placebo Comparator
Drug
Lead sponsor
Reven Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
237 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
3
States / cities
Houston, Texas • New Braunfels, Texas
Source: ClinicalTrials.gov public record
Updated Mar 14, 2022 · Synced Sep 27, 2026, 7:23 AM EDT
Completed Not applicable Interventional Results available

Feasibility and Effectiveness of Micronutrients as Palliative Care Therapy in Patients With Congestive Heart Failure

NCT01474486
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jun 9, 2021 · Synced Sep 27, 2026, 7:23 AM EDT
Completed Phase 3 Interventional Results available

Pharmacokinetic and Pharmacodynamic Study of High-Dose Rifapentine and Moxifloxacin for Treatment of Tuberculosis

NCT02563327
View directory record Official record
Conditions
Tuberculosis
Interventions
Rifapentine, Moxifloxacin, Rifampin, Isoniazid, Pyrazinamide, Ethambutol, Pyridoxine
Drug · Dietary Supplement
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
18 Years and older
Enrollment
2,516 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Sep 27, 2026, 7:23 AM EDT
Active, not recruiting Phase 3 Interventional

Trial to Assess Chelation Therapy in Critical Limb Ischemia

NCT03982693
View directory record Official record
Conditions
Critical Limb Ischemia, Diabetes
Interventions
Edetate Disodium, Placebo
Drug · Other
Lead sponsor
Mt. Sinai Medical Center, Miami
Other
Eligibility
50 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2027
U.S. locations
1
States / cities
Miami Beach, Florida
Source: ClinicalTrials.gov public record
Updated Jun 30, 2026 · Synced Sep 27, 2026, 7:23 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Aza-SAHA-GBM With AutoSCT for Refractory Lymphoma

NCT01983969
View directory record Official record
Conditions
Advanced Cancers, Lymphoma
Interventions
Azacitidine, Vorinostat, Gemcitabine, Busulfan, Melphalan, Dexamethasone, Caphosol, Glutamine, Pyridoxine, Rituximab
Drug · Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
15 Years to 65 Years
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 26, 2020 · Synced Sep 27, 2026, 7:23 AM EDT
Completed Phase 1 Interventional

Impact of Once-Weekly Rifapentine and Isoniazid on the Steady State Pharmacokinetics of Dolutegravir and Darunavir Boosted With Cobicistat in Healthy Volunteers

NCT02771249
View directory record Official record
Conditions
HIV Infected Population With Latent Tuberculosis
Interventions
rifapentene (RPT), darunavir/cobicistat (DRV/c), Isoniazid (INH), Pyridoxine
Drug · Dietary Supplement
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
18 Years to 65 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 17, 2022 · Synced Sep 27, 2026, 7:23 AM EDT
Completed Phase 3 Interventional Results available

The Efficacy Of Diclectin® For Nausea And Vomiting Of Pregnancy

NCT00614445
View directory record Official record
Conditions
Nausea and Vomiting of Pregnancy
Interventions
doxylamine succinate 10 mg/pyridoxine hydrochloride 10 mg, Placebo
Drug
Lead sponsor
Duchesnay Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
280 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
7
States / cities
Washington D.C., District of Columbia • Bethesda, Maryland • Pittsburgh, Pennsylvania + 3 more
Source: ClinicalTrials.gov public record
Updated Nov 22, 2021 · Synced Sep 27, 2026, 7:23 AM EDT
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 27, 2026, 7:23 AM EDT
Terminated Phase 1Phase 2 Interventional Results available

Lenalidomide Combined With Vorinostat/Gemcitabine/Busulfan/Melphalan With Autologous Stem-Cell Transplantation in Diffuse Large B-Cell Lymphoma of the ABC Subtype

NCT02589145
View directory record Official record
Conditions
Lymphoma
Interventions
Lenalidomide, Vorinostat, Gemcitabine, Busulfan, Melphalan, Rituximab, Dexamethasone, Caphosol, Glutamine, Pyridoxine, Enoxaparin, Stem Cell Transplant, Palifermin
Drug · Procedure
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
15 Years to 65 Years
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 12, 2019 · Synced Sep 27, 2026, 7:23 AM EDT
Completed Not applicable Interventional

Randomized Controlled Trial of Pyridoxine for Tardive Dyskinesia

NCT03287778
View directory record Official record
Conditions
Tardive Dyskinesia, Antipsychotic Agents
Interventions
Pyridoxine, Placebo
Dietary Supplement
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 80 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2022
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 13, 2023 · Synced Sep 27, 2026, 7:23 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Folic Acid for Vascular Outcome Reduction In Transplantation (FAVORIT)

NCT00064753
View directory record Official record
Conditions
Chronic Kidney Disease, Cardiovascular Disease, Death
Interventions
High Dose Multivitamin, Low Dose Multivitamin
Drug · Device
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
35 Years to 75 Years
Enrollment
4,110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2011
U.S. locations
27
States / cities
Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 22 more
Source: ClinicalTrials.gov public record
Updated Oct 17, 2017 · Synced Sep 27, 2026, 7:23 AM EDT
Suspended Phase 3 Interventional Accepts healthy volunteers

The Efficacy and Safety of Bonjesta® for Nausea and Vomiting of Pregnancy in Pregnant Adolescents

NCT05289557
View directory record Official record
Conditions
Morning Sickness
Interventions
Bonjesta, Placebo
Drug
Lead sponsor
Duchesnay Inc.
Industry
Eligibility
12 Years to 17 Years · Female only
Enrollment
274 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2027
U.S. locations
10
States / cities
Burbank, California • Hialeah, Florida • Miami, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Apr 2, 2026 · Synced Sep 27, 2026, 7:23 AM EDT
Active, not recruiting Phase 2Phase 3 Interventional

Short-course Regimens for the Treatment of Pulmonary Tuberculosis

NCT05766267
View directory record Official record
Conditions
Tuberculosis, Pulmonary, Tuberculosis Infection
Interventions
Rifabutin, Delamanid, Bedaquiline, Moxifloxacin, Pyrazinamide, Isoniazid, Rifampin, Ethambutol
Drug
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
12 Years and older
Enrollment
288 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 20, 2026 · Synced Sep 27, 2026, 7:23 AM EDT
Completed Not applicable Interventional

Prophylaxis Against Tuberculosis (TB) in Patients With Human Immunodeficiency Virus (HIV) Infection and Suspected Latent Tuberculous Infection

NCT00000959
View directory record Official record
Conditions
HIV Infections, Tuberculosis
Interventions
Isoniazid, Pyridoxine hydrochloride
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1996
U.S. locations
14
States / cities
Los Angeles, California • San Francisco, California • Denver, Colorado + 10 more
Source: ClinicalTrials.gov public record
Updated Nov 3, 2021 · Synced Sep 27, 2026, 7:23 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Interventional Testing of Gene-environment Interactions Via the Verifomics Mobile Application

NCT02758990
View directory record Official record
Conditions
Obesity, Rhinitis, Rhinitis, Allergic, Respiratory Sounds, Dyspnea, Headache, Migraine Disorders, Arthritis, Arthralgia, Anxiety, Sleep Initiation and Maintenance Disorders, Sleep Deprivation
Interventions
Vitamin A, Vitamin B6, Vitamin C, Nicotinamide, Vitamin D3, Vitamin E, Broccoli, Spinach, Caffeine, Coffee, Axon Eyewear, Chocolate
Dietary Supplement · Other · Device
Lead sponsor
Verifomics LLC
Industry
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Oct 1, 2017 · Synced Sep 27, 2026, 7:23 AM 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 27, 2026, 7:23 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Vitamin B6 Dependence of One-Carbon Metabolism

NCT00877812
View directory record Official record
Conditions
Vitamin B6 Deficiency
Interventions
Arm 1 glycine and leucine, Arm 2 Intervention of Serine and methionine infusion
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
20 Years to 40 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2010
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Mar 26, 2013 · Synced Sep 27, 2026, 7:23 AM EDT