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Showing 1–24 of 37 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Ethambutol hydrochloride Clear all
Completed Phase 3 Interventional

A Randomized, Double-Blind, Comparative Study of Azithromycin Versus Clarithromycin in Combination With Ethambutol for the Treatment of Disseminated Mycobacterium Avium Complex (MAC) Infection in AIDs Patients

NCT00002140
View directory record Official record
Conditions
Mycobacterium Avium-intracellulare Infection, HIV Infections
Interventions
Ethambutol hydrochloride, Clarithromycin, Azithromycin
Drug
Lead sponsor
Pfizer
Industry
Eligibility
13 Years and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
24
States / cities
Berkeley, California • Mill Valley, California • Oakland, California + 17 more
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Sep 26, 2026, 10:26 AM EDT
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 26, 2026, 10:26 AM EDT
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 22, 2017 · Synced Sep 26, 2026, 10:26 AM EDT
Terminated Phase 2 Interventional Results available

Safety, Tolerability, Pharmacokinetics and Efficacy of SPR720 for the Treatment of Patients With Mycobacterium Avium Complex (MAC) Pulmonary Disease

NCT04553406
View directory record Official record
Conditions
Mycobacterium Avium Complex, Non-tuberculous Mycobacterium Pulmonary Disease
Interventions
SPR720, Placebo, Open-label Standard of Care
Drug
Lead sponsor
Spero Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
9
States / cities
Altamonte Springs, Florida • Atlantis, Florida • Clearwater, Florida + 6 more
Source: ClinicalTrials.gov public record
Updated Feb 27, 2022 · Synced Sep 26, 2026, 10:26 AM EDT
Completed Phase 2 Interventional

TBTC Study 28: Moxifloxacin Versus Isoniazid for TB Treatment

NCT00144417
View directory record Official record
Conditions
Tuberculosis
Interventions
Moxifloxacin (with rifampin, pyrazinamide, and ethambutol), isoniazid
Drug
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
18 Years and older
Enrollment
433 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
20
States / cities
Little Rock, Arkansas • Los Angeles, California • San Diego, California + 16 more
Source: ClinicalTrials.gov public record
Updated Aug 2, 2011 · Synced Sep 26, 2026, 10:26 AM EDT
Completed Phase 2 Interventional

A Phase II/III Trial of Rifampin, Ciprofloxacin, Clofazimine, Ethambutol, and Amikacin in the Treatment of Disseminated Mycobacterium Avium Infection in HIV-Infected Individuals.

NCT00000641
View directory record Official record
Conditions
Mycobacterium Avium-intracellulare Infection, HIV Infections
Interventions
Ciprofloxacin hydrochloride, Ethambutol hydrochloride, Amikacin sulfate, Azithromycin, Rifampin, Clofazimine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1994
U.S. locations
16
States / cities
Torrance, California • Indianapolis, Indiana • St Louis, Missouri + 10 more
Source: ClinicalTrials.gov public record
Updated Nov 2, 2021 · Synced Sep 26, 2026, 10:26 AM 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 23, 2005 · Synced Sep 26, 2026, 10:26 AM EDT
Recruiting Phase 4 Interventional

Hypertonic Saline for MAC

NCT04921943
View directory record Official record
Conditions
Nontuberculous Mycobacterial Lung Disease, Nontuberculous Mycobacterium Infection
Interventions
Hypertonic saline, Azithromycin, Ethambutol, Rifampin
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
2
States / cities
New York, New York • Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Aug 14, 2025 · Synced Sep 26, 2026, 10:26 AM 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 23, 2005 · Synced Sep 26, 2026, 10:26 AM EDT
Completed Phase 2 Interventional

Tolerance, Safety, and Activity of Rifapentine Alone and in Combination Therapy in AIDS Patients With Mycobacterium Avium Complex Bacteremia.

NCT00002192
View directory record Official record
Conditions
Mycobacterium Avium-Intracellulare Infection, HIV Infections
Interventions
Rifapentine, Ethambutol hydrochloride, Clarithromycin, Azithromycin
Drug
Lead sponsor
Anderson Clinical Research
Industry
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Hampton, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Sep 26, 2026, 10:26 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 26, 2026, 10:26 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 26, 2026, 10:26 AM EDT
Completed Phase 3 Interventional

Study of Four Different Treatment Approaches for Patients Who Have Mycobacterium Avium Complex Disease (MAC) Plus AIDS

NCT00001047
View directory record Official record
Conditions
Mycobacterium Avium-intracellulare Infection, HIV Infections
Interventions
Ethambutol hydrochloride, Clarithromycin, Clofazimine, Rifabutin
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1996
U.S. locations
16
States / cities
San Francisco, California • Denver, Colorado • Washington D.C., District of Columbia + 12 more
Source: ClinicalTrials.gov public record
Updated Nov 3, 2021 · Synced Sep 26, 2026, 10:26 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 26, 2026, 10:26 AM EDT
Completed Phase 2 Interventional

Evaluation of Treatment for Mycobacterium Avium Complex (MAC) Infection in HIV-Infected Patients

NCT00001039
View directory record Official record
Conditions
Mycobacterium Avium-intracellulare Infection, HIV Infections
Interventions
Ethambutol hydrochloride, Clarithromycin
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2002
U.S. locations
8
States / cities
Tucson, Arizona • Baltimore, Maryland • Camden, New Jersey + 5 more
Source: ClinicalTrials.gov public record
Updated Oct 30, 2012 · Synced Sep 26, 2026, 10:26 AM EDT
Completed Not applicable Interventional

The Safety and Effectiveness of Clarithromycin Plus Ethambutol Used With or Without Clofazimine in the Treatment of MAC in Patients With AIDS

NCT00002331
View directory record Official record
Conditions
Mycobacterium Avium-intracellular Infection, HIV Infections
Interventions
Ethambutol hydrochloride, Clarithromycin, Clofazimine
Drug
Lead sponsor
Abbott
Industry
Eligibility
13 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
1994 – 1995
U.S. locations
17
States / cities
Los Angeles, California • Sacramento, California • San Francisco, California + 13 more
Source: ClinicalTrials.gov public record
Updated Jan 15, 2015 · Synced Sep 26, 2026, 10:26 AM EDT
Completed Phase 3 Interventional

Study to Evaluate ALIS (Amikacin Liposome Inhalation Suspension) in Participants With Nontuberculous Mycobacterial Lung Infection Caused by Mycobacterium Avium Complex

NCT04677569
View directory record Official record
Conditions
Mycobacterium Infections, Nontuberculous
Interventions
ALIS, Azithromycin, Ethambutol, ELC (matching placebo for ALIS)
Drug
Lead sponsor
Insmed Incorporated
Industry
Eligibility
18 Years and older
Enrollment
425 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
90
States / cities
Birmingham, Alabama • Fresno, California • Los Angeles, California + 71 more
Source: ClinicalTrials.gov public record
Updated Feb 2, 2026 · Synced Sep 26, 2026, 10:26 AM 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 Oct 31, 2021 · Synced Sep 26, 2026, 10:26 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 26, 2026, 10:26 AM EDT
Completed Phase 3 Interventional

The Treatment of Tuberculosis in HIV-Infected Patients

NCT00001033
View directory record Official record
Conditions
HIV Infections, Tuberculosis
Interventions
Ethambutol hydrochloride, Isoniazid, Pyrazinamide, Pyridoxine hydrochloride, Levofloxacin, Rifampin
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
650 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1997
U.S. locations
12
States / cities
Los Angeles, California • Washington D.C., District of Columbia • Miami, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Nov 3, 2021 · Synced Sep 26, 2026, 10:26 AM EDT
Completed Phase 1 Interventional Results available

Investigation of the Efficacy of Antibiotics on Pulmonary Sarcoidosis

NCT01169038
View directory record Official record
Conditions
Pulmonary Sarcoidosis, Lung Function
Interventions
levaquin; ethambutol; rifampin and azithromycin.
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 75 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 30, 2012 · Synced Sep 26, 2026, 10:26 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Evaluate the Effect of Co-administration on the Pharmacokinetics of SPR720, Azithromycin, and Ethambutol in Healthy Participants

NCT05966688
View directory record Official record
Conditions
Healthy Volunteers
Interventions
SPR720, Azithromycin, Ethambutol
Drug
Lead sponsor
Spero Therapeutics
Industry
Eligibility
18 Years to 55 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 3, 2024 · Synced Sep 26, 2026, 10:26 AM 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 25, 2026 · Synced Sep 26, 2026, 10:26 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effect of Weight and/or Obesity on Ethambutol Drug Concentrations

NCT01048697
View directory record Official record
Conditions
Obesity, Tuberculosis
Interventions
Ethambutol
Drug
Lead sponsor
Texas Tech University Health Sciences Center
Other
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jan 23, 2013 · Synced Sep 26, 2026, 10:26 AM EDT