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ClinicalTrials.gov public records Last synced Sep 2, 2026, 8:43 AM EDT

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Showing 1–24 of 46 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Mycobacterium Avium-intracellulare Infection, HIV Infections
Interventions
Clarithromycin, Azithromycin, Rifabutin
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years and older
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1998
U.S. locations
11
States / cities
Tucson, Arizona • Palo Alto, California • San Francisco, California + 8 more
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
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
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
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
Completed Phase 1 Interventional Accepts healthy volunteers

Drug-drug Interaction (DDI) Rifabutin

NCT02138084
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
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
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
Conditions
Mycobacterium Avium-intracellulare Infection, HIV Infections
Interventions
Rifabutin
Drug
Lead sponsor
Pharmacia
Industry
Eligibility
12 Years and older
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Saint Davids, Pennsylvania
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
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
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
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
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
Conditions
Dyspepsia, Helicobacter Pylori Infection
Interventions
RHB-105, Placebo
Drug
Lead sponsor
RedHill Biopharma Limited
Industry
Eligibility
18 Years to 65 Years
Enrollment
119 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
12
States / cities
Anaheim, California • Chino, California • Jupiter, Florida + 8 more
Conditions
Drug Drug Interaction
Interventions
Trikafta [orange tablet containing ELX 100mg, TEZ 50mg, and IVA 75mg], Rifabutin 300mg
Drug
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 65 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Los Angeles, California
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
Conditions
Human Immunodeficiency Virus Type 1 (HIV-1) Infection
Interventions
Vesatolimod, Cobicistat, Voriconazole, Rifabutin
Drug
Lead sponsor
Gilead Sciences
Industry
Eligibility
18 Years and older
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
5
States / cities
Long Beach, California • Miami, Florida • West Palm Beach, Florida + 1 more
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
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
Conditions
Infection, Human Immunodeficiency Virus
Interventions
GSK1349572, Rifampin, Rifabutin
Drug
Lead sponsor
ViiV Healthcare
Industry
Eligibility
18 Years to 65 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Baltimore, Maryland
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
Conditions
Crohn's Disease
Interventions
RHB-104, Placebo
Drug
Lead sponsor
RedHill Biopharma Limited
Industry
Eligibility
18 Years to 75 Years
Enrollment
331 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2019
U.S. locations
43
States / cities
Tucson, Arizona • Anaheim, California • La Mirada, California + 37 more
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