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Showing 1–24 of 49 matching trials from the live ClinicalTrials.gov search.
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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 3, 2026, 5:53 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 3, 2026, 5:53 AM EDT
Completed Phase 2 Interventional Results available

Trial of High-Dose Rifampin in Patients With TB

NCT01408914
View directory record Official record
Conditions
Tuberculosis
Interventions
Higher-Dose Rifampin
Drug
Lead sponsor
Harvard University Faculty of Medicine
Other
Eligibility
18 Years to 60 Years
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Nov 19, 2017 · Synced Sep 3, 2026, 5:53 AM EDT
Withdrawn Phase 1Phase 2 Interventional Accepts healthy volunteers

Azacytidine During Anti-tuberculosis Therapy

NCT03941496
View directory record Official record
Conditions
Tuberculosis, Pulmonary
Interventions
Azacitidine Injection
Drug
Lead sponsor
Andrew Dinardo
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 7, 2023 · Synced Sep 3, 2026, 5:53 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Pharmacokinetic Study of Antiretroviral Drugs and Related Drugs During and After Pregnancy

NCT00042289
View directory record Official record
Conditions
HIV Infections
Interventions
atazanavir/cobicistat, darunavir/ritonavir dosage #1, darunavir/ritonavir dosage #2, darunavir/ritonavir dosage #3, elvitegravir/cobicistat, dolutegravir, tenofovir alafenamide fumarate (TAF), TAF w/cobicistat, TAF w/cobicistat or ritonavir, efavirenz, darunavir/cobicistat, lopinavir/ritonavir dosage #1, atazanavir/ritonavir/tenofovir dosage #1, rifampicin, ethambutol, isoniazid, pyrazinamide, kanamycin, amikacin, capreomycin, moxifloxacin, levoflaxacin, ofloxacin, ethionamide/prothionamide, terizidone/cycloserine, para-aminosalicylic acid (PAS), high dose INH, bedaquiline, clofazamine, delamanid, linezolid, pretomanid, ethinyl estradiol, etonogestrel implant, nevirapine, amprenavir, abacavir, lopinavir/ritonavir dosage #2, indinavir/ritonavir dosage #1, fosamprenavir/ritonavir, lopinavir/ritonavir dosage #3, atazanavir/ritonavir dosage #1, didanosine delayed release (Videx® EC), emtricitabine, tenofovir, nelfinavir dosage #1, tipranavir/ritonavir, lopinavir/ritonavir dosage #4, raltegravir, etravirine, maraviroc, atazanavir/ritonavir dosage #2, tenofovir/atazanavir/ritonavir dosage #2, nelfinavir dosage #2, indinavir/ritonavir dosage #2, rilpivirine, darunavir/ritonavir dosage #4
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
Not listed
Enrollment
1,578 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2020
U.S. locations
39
States / cities
Birmingham, Alabama • La Jolla, California • Long Beach, California + 26 more
Source: ClinicalTrials.gov public record
Updated Dec 1, 2025 · Synced Sep 3, 2026, 5:53 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 3, 2026, 5:53 AM EDT
Terminated Not applicable Interventional Results available

Effect of Isoniazid on Protoporphyrin Levels in Erythropoietic Protoporphyria

NCT01550705
View directory record Official record
Conditions
Erythropoietic Protoporphyria (EPP), X Linked Erythropoietic Protoporphyria
Interventions
Isoniazid
Drug
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jan 15, 2017 · Synced Sep 3, 2026, 5:53 AM EDT
Completed Phase 3 Interventional

TBTC Study 22: Efficacy of Once-Weekly Rifapentine and Isoniazid in Treatment of Tuberculosis

NCT00023335
View directory record Official record
Conditions
Pulmonary Tuberculosis
Interventions
Rifapentine, Isoniazid
Drug
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1995 – 2001
U.S. locations
20
States / cities
Little Rock, Arkansas • Los Angeles, California • San Francisco, California + 15 more
Source: ClinicalTrials.gov public record
Updated Sep 4, 2005 · Synced Sep 3, 2026, 5:53 AM EDT
Completed Phase 3 Interventional Results available

Treatment of Latent TB Infection for Jailed Persons

NCT00128206
View directory record Official record
Conditions
Tuberculosis
Interventions
Isoniazid, Rifampin
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 99 Years
Enrollment
364 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2009
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jul 20, 2020 · Synced Sep 3, 2026, 5:53 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Clinical Trial of the Safety, Pharmacokinetics and Hematologic Effects of Imatinib on Myelopoiesis in Adults When Given With and Without Isoniazid and Rifabutin

NCT03891901
View directory record Official record
Conditions
Tuberculosis
Interventions
Imatinib, Isoniazid, Rifabutin
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 55 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 22, 2023 · Synced Sep 3, 2026, 5:53 AM EDT
Completed Not applicable Interventional

TBTC Study 25PK: Intensive Pharmacokinetic Study of Three Doses of Rifapentine and 25-Desacetyl Rifapentine

NCT00023387
View directory record Official record
Conditions
Tuberculosis
Interventions
Rifapentine, 25-desacetyl Rifapentine, Isoniazid
Drug
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2001
U.S. locations
20
States / cities
Little Rock, Arkansas • Los Angeles, California • San Francisco, California + 15 more
Source: ClinicalTrials.gov public record
Updated Sep 12, 2005 · Synced Sep 3, 2026, 5:53 AM EDT
Completed Phase 3 Interventional Results available

TBTC Study 31: Rifapentine-containing Tuberculosis Treatment Shortening Regimens

NCT02410772
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 3, 2024 · Synced Sep 3, 2026, 5:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

VDOT for Monitoring Adherence to LTBI Treatment

NCT02641106
View directory record Official record
Conditions
Tuberculosis, Latent Tuberculosis Infection
Interventions
Video Directly Observed Therapy, In-Person DOT
Other
Lead sponsor
University of California, San Diego
Other
Eligibility
13 Years and older
Enrollment
129 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Feb 4, 2021 · Synced Sep 3, 2026, 5:53 AM EDT
Completed Not applicable Interventional Results available

The Effect of Cycloserine on Smoking Behavior in Nicotine Dependent Smokers

NCT00633256
View directory record Official record
Conditions
Smoking
Interventions
Cycloserine, Placebo
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years to 55 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
West Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 10, 2012 · Synced Sep 3, 2026, 5:53 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Phase I Open Label BCG Clinical Trial Assessing TB Drugs and Vaccines

NCT05592223
View directory record Official record
Conditions
Tuberculosis
Interventions
BCG Vaccine USP, Isoniazid, Rifampin
Drug
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years to 45 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Dec 15, 2025 · Synced Sep 3, 2026, 5:53 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

TBTC Study 27/28 PK: Moxifloxacin Pharmacokinetics During TB Treatment

NCT00164463
View directory record Official record
Conditions
Tuberculosis
Interventions
Moxifloxacin, Isoniazid
Drug
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2007
U.S. locations
6
States / cities
Los Angeles, California • Baltimore, Maryland • Durham, North Carolina + 3 more
Source: ClinicalTrials.gov public record
Updated Jun 7, 2011 · Synced Sep 3, 2026, 5:53 AM EDT
Completed Phase 1 Interventional

Effectiveness of Anti-HIV Therapy (HAART) in HIV-Infected Patients With Tuberculosis

NCT00004736
View directory record Official record
Conditions
HIV Infections, Tuberculosis
Interventions
Nelfinavir mesylate, Ethambutol hydrochloride, Isoniazid, Pyrazinamide, Lamivudine, Rifabutin, Stavudine, Zidovudine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
10
States / cities
Los Angeles, California • San Diego, California • Chicago, Illinois + 4 more
Source: ClinicalTrials.gov public record
Updated Sep 10, 2008 · Synced Sep 3, 2026, 5:53 AM EDT
Completed Phase 3 Interventional Results available

Brief Rifapentine-Isoniazid Evaluation for TB Prevention (BRIEF TB)

NCT01404312
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 3, 2021 · Synced Sep 3, 2026, 5:53 AM EDT
Terminated Phase 3 Interventional Results available

Study of Rifampicin in Multiple System Atrophy

NCT01287221
View directory record Official record
Conditions
Multiple System Atrophy
Interventions
Rifampicin, placebo
Drug
Lead sponsor
Phillip Low
Other
Eligibility
30 Years to 80 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
10
States / cities
Los Angeles, California • San Diego, California • Jacksonville, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Mar 27, 2014 · Synced Sep 3, 2026, 5:53 AM EDT
Completed Not applicable Interventional

TBTC Study 24: Intermittent Treatment of TB With Isoniazid Resistance or Intolerance

NCT00023374
View directory record Official record
Conditions
Tuberculosis
Interventions
Rifampin, Pyrazinamide, Ethambutol, REZ
Drug
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
18 Years and older
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2010
U.S. locations
20
States / cities
Little Rock, Arkansas • Los Angeles, California • San Francisco, California + 15 more
Source: ClinicalTrials.gov public record
Updated Aug 2, 2011 · Synced Sep 3, 2026, 5:53 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 3, 2026, 5:53 AM EDT
Completed Phase 2Phase 3 Interventional

TBTC Study 23A: Pharmacokinetics of Intermittent Isoniazid and Rifabutin in HIV-TB

NCT00023348
View directory record Official record
Conditions
HIV Infections, Tuberculosis
Interventions
Isoniazid, Rifabutin
Drug
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2002
U.S. locations
20
States / cities
Little Rock, Arkansas • Los Angeles, California • San Francisco, California + 15 more
Source: ClinicalTrials.gov public record
Updated Sep 12, 2005 · Synced Sep 3, 2026, 5:53 AM EDT
Completed Phase 2 Interventional Results available

TBTC Study 29: Rifapentine During Intensive Phase Tuberculosis (TB) Treatment

NCT00694629
View directory record Official record
Conditions
Pulmonary Tuberculosis
Interventions
rifapentine, rifapentine 10 mg/kg, rifapentine 15 mg/kg, rifapentine 20 mg/kg
Drug
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
18 Years and older
Enrollment
334 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
23
States / cities
Little Rock, Arkansas • Los Angeles, California • San Diego, California + 16 more
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Sep 3, 2026, 5:53 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 3, 2026, 5:53 AM EDT