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ClinicalTrials.gov public records Last synced Oct 19, 2026, 2:04 PM EDT

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Showing 1–24 of 46 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: rifabutin Clear all
Completed Phase 4 Interventional

Use of Clarithromycin and Rifabutin for the Treatment of M. Avium Complex (MAC) Lung Disease

NCT00598897
View directory record Official record
Conditions
Mycobacterium Avium Complex Lung Disease
Interventions
clarithromycin, rifabutin
Drug
Lead sponsor
The University of Texas Health Science Center at Tyler
Other
Eligibility
18 Years and older
Enrollment
89 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1995 – 2017
U.S. locations
1
States / cities
Tyler, Texas
Source: ClinicalTrials.gov public record
Updated May 23, 2017 · Synced Oct 19, 2026, 2:04 PM EDT
Completed Phase 2 Interventional Results available

Phase II Investigation of Antimycobacterial Therapy on Progressive, Pulmonary Sarcoidosis

NCT02024555
View directory record Official record
Conditions
Sarcoidosis; Antimycobacterial Therapy
Interventions
Levofloxacin, Ethambutol, Azithromycin, Rifampin, Placebo
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years and older
Enrollment
97 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
6
States / cities
Albany, New York • Cincinnati, Ohio • Cleveland, Ohio + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 9, 2020 · Synced Oct 19, 2026, 2:04 PM 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 11, 2008 · Synced Oct 19, 2026, 2:04 PM EDT
Completed Phase 3 Interventional Results available

Open Label Efficacy and Safety of Anti-MAP (Mycobacterium Avium Ssp. Paratuberculosis) Therapy in Adult Crohn's Disease

NCT03009396
View directory record Official record
Conditions
Crohn Disease
Interventions
RHB-104 (fixed-dose combination: 95 mg clarithromycin, 45 mg rifabutin, and 10 mg clofazimine)
Drug
Lead sponsor
RedHill Biopharma Limited
Industry
Eligibility
18 Years to 76 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
6
States / cities
San Carlos, California • Marietta, Georgia • Topeka, Kansas + 3 more
Source: ClinicalTrials.gov public record
Updated Feb 24, 2021 · Synced Oct 19, 2026, 2:04 PM EDT
Completed Phase 3 Interventional

A Three-Arm Comparative Trial for the Treatment of MAC Bacteremia in AIDS: A Clarithromycin/Ethambutol Regimen Containing Rifabutin (450 Mg) or Rifabutin (300 Mg) or Placebo

NCT00002101
View directory record Official record
Conditions
Mycobacterium Avium-Intracellulare Infection, HIV Infections
Interventions
Ethambutol hydrochloride, Clarithromycin, Rifabutin
Drug
Lead sponsor
Pharmacia
Industry
Eligibility
13 Years and older
Enrollment
450 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
44
States / cities
Phoenix, Arizona • Harbor City, California • Irvine, California + 34 more
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 19, 2026, 2:04 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

A Bioavailability Study of Rifabutin and Lopinavir/Ritonavir in Healthy Adult Subjects

NCT00743470
View directory record Official record
Conditions
HIV, Tuberculosis
Interventions
lopinavir/ritonavir, rifabutin
Drug
Lead sponsor
Abbott
Industry
Eligibility
18 Years to 55 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2008
U.S. locations
1
States / cities
Waukegan, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 2, 2010 · Synced Oct 19, 2026, 2:04 PM EDT
Terminated No phase listed Observational Results available

Pharmacokinetic Properties of Antiretroviral and Anti-Tuberculosis Drugs During Pregnancy and Postpartum

NCT04518228
View directory record Official record
Conditions
HIV, Tuberculosis
Interventions
Bictegravir (BIC), Tenofovir alafenamide (TAF), Long-acting injectable formulation of cabotegravir (CAB LA), Dolutegravir (DTG), Atazanavir/ritonavir (ATV/r), Darunavir/ritonavir (DRV/r), Lopinavir/ritonavir (LPV/r), Cobicistat, Ritonavir, First-Line TB Treatment, Second-Line TB Treatment, Doravirine (DOR)
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
Not listed
Enrollment
205 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
13
States / cities
Los Angeles, California • San Diego, California • Aurora, Colorado + 7 more
Source: ClinicalTrials.gov public record
Updated Aug 26, 2026 · Synced Oct 19, 2026, 2:04 PM EDT
Completed Not applicable Interventional

Rifabutin Therapy for the Prevention of Mycobacterium Avium Complex (MAC) Bacteremia in AIDS Patients With CD4 Counts = or < 200: A Double-Blind, Placebo-Controlled Trial

NCT00002267
View directory record Official record
Conditions
Mycobacterium Avium-intracellulare Infection, HIV Infections
Interventions
Rifabutin
Drug
Lead sponsor
Pharmacia
Industry
Eligibility
18 Years and older
Enrollment
750 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
31
States / cities
Phoenix, Arizona • Berkeley, California • Beverly Hills, California + 22 more
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 19, 2026, 2:04 PM EDT
Completed Phase 1 Interventional

Study of How Indinavir (an Anti-HIV Drug) and Rifabutin (a Drug Used to Treat MAC, an HIV-Associated Disease) Interact in HIV-Positive and HIV-Negative Adults

NCT00000877
View directory record Official record
Conditions
HIV Infections
Interventions
Indinavir sulfate, Rifabutin
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 60 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2000
U.S. locations
8
States / cities
Los Angeles, California • Denver, Colorado • Miami, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Oct 29, 2021 · Synced Oct 19, 2026, 2:04 PM EDT
Completed Not applicable Interventional

TBTC Study 23: Treatment of HIV-Related Tuberculosis Using a Rifabutin-Based Regimen

NCT00023361
View directory record Official record
Conditions
HIV Infections, Tuberculosis
Interventions
Rifabutin
Drug
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
18 Years and older
Enrollment
215 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2003
U.S. locations
20
States / cities
Little Rock, Arkansas • Los Angeles, California • San Francisco, California + 15 more
Source: ClinicalTrials.gov public record
Updated Sep 5, 2005 · Synced Oct 19, 2026, 2:04 PM 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 21, 2026 · Synced Oct 19, 2026, 2:04 PM EDT
Completed Phase 3 Interventional

A Randomized Study of Daily and Intermittent Prophylactic Regimens for the Prevention of Disseminated Mycobacterium Avium Complex (MAC) and Fungal Infections in HIV-Infected Patients

NCT00002122
View directory record Official record
Conditions
Mycoses, Mycobacterium Avium-Intracellulare Infection, HIV Infections
Interventions
Azithromycin, Rifabutin, Fluconazole
Drug
Lead sponsor
Pfizer
Industry
Eligibility
12 Years and older
Enrollment
720 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
12
States / cities
Los Angeles, California • Orange, California • San Diego, California + 7 more
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 19, 2026, 2:04 PM EDT
Completed Phase 3 Interventional

The Safety and Effectiveness of Clarithromycin and Rifabutin Used Alone or in Combination to Prevent Mycobacterium Avium Complex (MAC) or Disseminated MAC Disease in HIV-Infected Patients

NCT00001030
View directory record Official record
Conditions
Mycobacterium Avium-intracellulare Infection, HIV Infections
Interventions
Clarithromycin, Rifabutin
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
12 Years and older
Enrollment
1,100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1996
U.S. locations
41
States / cities
Birmingham, Alabama • Los Angeles, California • Oakland, California + 24 more
Source: ClinicalTrials.gov public record
Updated Nov 1, 2021 · Synced Oct 19, 2026, 2:04 PM EDT
Terminated Phase 2 Interventional Results available

Rifabutin Based Therapy for the Eradication of Staphylococcus Aureus Colonization in HIV Infected Adults

NCT00869518
View directory record Official record
Conditions
Staphylococcus Aureus, HIV Infections
Interventions
rifabutin plus trimethoprim sulfamethoxazole, placebo plus trimethoprim-sulfamethoxazole
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 14, 2014 · Synced Oct 19, 2026, 2:04 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug-drug Interaction (DDI) Rifabutin

NCT02138084
View directory record Official record
Conditions
Infection, Human Immunodeficiency Virus
Interventions
BMS-663068, Rifabutin, Ritonavir
Drug
Lead sponsor
ViiV Healthcare
Industry
Eligibility
18 Years to 50 Years
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Sep 25, 2017 · Synced Oct 19, 2026, 2:04 PM EDT
Completed Phase 1 Interventional

Effect of Fluconazole, Clarithromycin, and Rifabutin on the Pharmacokinetics of Sulfamethoxazole-Trimethoprim and Dapsone and Their Hydroxylamine Metabolites

NCT00000826
View directory record Official record
Conditions
Bacterial Infections, Mycoses, HIV Infections
Interventions
Clarithromycin, Rifabutin, Sulfamethoxazole-Trimethoprim, Dapsone, Fluconazole
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 65 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1999
U.S. locations
2
States / cities
San Francisco, California • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 29, 2021 · Synced Oct 19, 2026, 2:04 PM EDT
Completed Phase 2 Interventional

A Comparison of Three Drug Combinations Containing Clarithromycin in the Treatment of Mycobacterium Avium Complex (MAC) Disease in Patients With AIDS

NCT00001058
View directory record Official record
Conditions
Mycobacterium Avium-intracellulare Infection, HIV Infections
Interventions
Indinavir sulfate, Ritonavir, Ethambutol hydrochloride, Clarithromycin, Rifabutin
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
246 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1999
U.S. locations
33
States / cities
Birmingham, Alabama • Los Angeles, California • San Diego, California + 19 more
Source: ClinicalTrials.gov public record
Updated Nov 1, 2021 · Synced Oct 19, 2026, 2:04 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

TMC207 +/- Rifabutin/Rifampin

NCT01341184
View directory record Official record
Conditions
Tuberculosis
Interventions
Rifabutin, Rifampin, TMC207
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 45 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 21, 2017 · Synced Oct 19, 2026, 2:04 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Interaction of Buprenorphine With HIV Medications and Tuberculosis Medications

NCT00877591
View directory record Official record
Conditions
Opioid Dependency, HIV Infections
Interventions
Fosamprenavir/Ritonavir, Darunavir/Ritonavir, Rifampin, Rifabutin, Buprenorphine
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2013
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 6, 2014 · Synced Oct 19, 2026, 2:04 PM EDT
Completed Phase 4 Interventional

A Study of Rifabutin, Used Alone or With Ethambutol in the Prevention of Mycobacterium Avium Complex (MAC) Bacteremia in Patients With AIDS

NCT00002343
View directory record Official record
Conditions
Mycobacterium Avium-Intracellulare Infection, HIV Infections
Interventions
Ethambutol hydrochloride, Rifabutin
Drug
Lead sponsor
Pharmacia
Industry
Eligibility
18 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 19, 2026, 2:04 PM EDT
Completed Phase 4 Interventional

TBTC Study 23B:Intensive PK of the Nelfinavir Rifabutin Interaction in Patients With HIV-TB

NCT00023400
View directory record Official record
Conditions
HIV Infections, Tuberculosis
Interventions
Nelfinavir, Rifabutin
Drug
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
0 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 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 5, 2005 · Synced Oct 19, 2026, 2:04 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study of Rifabutin and MK-4646 in Healthy Participants (MK-4646-004)

NCT07199452
View directory record Official record
Conditions
Healthy
Interventions
MK-4646, Rifabutin
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years to 55 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jan 29, 2026 · Synced Oct 19, 2026, 2:04 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate VH4524184 Tablet Absorption, Effects of Food, and Interactions With Other Drugs in Healthy Adults

NCT07066722
View directory record Official record
Conditions
HIV Infections
Interventions
VH4524184, Itraconazole, Rifabutin, Phenytoin, Metformin, Digoxin
Drug
Lead sponsor
ViiV Healthcare
Industry
Eligibility
18 Years to 60 Years
Enrollment
126 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
2
States / cities
Lenexa, Kansas • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Mar 9, 2026 · Synced Oct 19, 2026, 2:04 PM EDT
Completed Phase 3 Interventional

Effectiveness of Rifabutin in the Treatment of Mycobacterium Avium Complex

NCT03164291
View directory record Official record
Conditions
Nontuberculous Mycobacterial Infections
Interventions
Rifabutin
Drug
Lead sponsor
The University of Texas Health Science Center at Tyler
Other
Eligibility
18 Years and older
Enrollment
170 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1984 – 2017
U.S. locations
1
States / cities
Tyler, Texas
Source: ClinicalTrials.gov public record
Updated May 23, 2017 · Synced Oct 19, 2026, 2:04 PM EDT