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ClinicalTrials.gov public records Last synced Oct 27, 2026, 3:03 AM EDT

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Showing 169–187 of 187 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: RIF Clear all
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 27, 2026, 3:03 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effects of Administration of Fostamatinib on Blood Concentrations of Rifampicin in Healthy Subjects.

NCT01336218
View directory record Official record
Conditions
Rheumatoid Arthritis, Healthy Volunteers
Interventions
fostamatinib, rifampicin
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 55 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Jul 22, 2011 · Synced Oct 27, 2026, 3:03 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 3, 2011 · Synced Oct 27, 2026, 3:03 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 5, 2005 · Synced Oct 27, 2026, 3:03 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Effect of Rifampin on the Pharmacokinetics of Dapagliflozin in Healthy Subjects

NCT01068756
View directory record Official record
Conditions
Type 2 Diabetes Mellitus
Interventions
Dapagliflozin, Rifampin
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 45 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Oct 17, 2016 · Synced Oct 27, 2026, 3:03 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study to Assess Pharmacokinetic Drug-Drug Interaction Between Avatrombopag When Co-Administered With Fluconazole, Itraconazole, or Rifampin in Healthy Subjects

NCT02809768
View directory record Official record
Conditions
Healthy Participants
Interventions
Avatrombopag, Fluconazole, Itraconazole, Rifampin
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
18 Years to 55 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
1
States / cities
San Antonio, Texas
Source: ClinicalTrials.gov public record
Updated Mar 9, 2017 · Synced Oct 27, 2026, 3:03 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug-drug Interaction Study of CTP-543 and Rifampin in Healthy Adult Subjects

NCT04843540
View directory record Official record
Conditions
Healthy Volunteers
Interventions
CTP-543
Drug
Lead sponsor
Concert Pharmaceuticals
Industry
Eligibility
18 Years to 60 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jul 20, 2021 · Synced Oct 27, 2026, 3:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Improving Treatment of Nontuberculous Mycobacterial Infection in Cystic Fibrosis

NCT02372383
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Ethambutol, Rifampin, Azithromycin, Pancrelipase
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
16 Years to 45 Years
Enrollment
31 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 11, 2021 · Synced Oct 27, 2026, 3:03 AM EDT
Enrolling by invitation Phase 4 Interventional

Does Staphylococcus Aureus Bacteremia Early Dual Therapy Improve Outcomes?

NCT07148960
View directory record Official record
Conditions
Staphylococcus Aureus Bacteremia
Interventions
Early Dual IV Antibiotic Therapy - MRSA, Early Dual IV Antibiotic Therapy - MSSA, Single Agent IV Antibiotic Therapy - MRSA, Single Agent IV Antibiotic Therapy - MSSA
Drug
Lead sponsor
West Virginia University
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Sep 17, 2026 · Synced Oct 27, 2026, 3:03 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug-drug Interaction Study Between EDP-305, Intraconazole and Rifampin in Healthy Volunteers

NCT03213145
View directory record Official record
Conditions
NASH - Nonalcoholic Steatohepatitis
Interventions
intraconazole, Rifampin, EDP 305
Drug
Lead sponsor
Enanta Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 55 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Nov 6, 2017 · Synced Oct 27, 2026, 3:03 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Phase 1 Study in Healthy Subjects to Evaluate the Effect of Rifampin on the Pharmacokinetics of IPI-145

NCT01947777
View directory record Official record
Conditions
Healthy
Interventions
IPI-145, Rifampin
Drug
Lead sponsor
SecuraBio
Industry
Eligibility
18 Years to 50 Years
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Mar 17, 2021 · Synced Oct 27, 2026, 3:03 AM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers

Study to Evaluate the Effect of Rifampin on the Drug Levels in Blood and Safety of BMS-986235 in Healthy Participants

NCT04301310
View directory record Official record
Conditions
Healthy Participants
Interventions
BMS-986235 (Treatment A), Rifampin (Treatment B)
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years to 55 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Mar 31, 2022 · Synced Oct 27, 2026, 3:03 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

A Study to Assess CYP3A4 Modulator, Oral Contraceptive, and pH Modifier Drug Interactions for ABI-H2158 in Healthy Adults

NCT04142762
View directory record Official record
Conditions
Chronic Hepatitis B
Interventions
ABI-H2158, Itraconazole, Rifampin, Midazolam, Ethinyl Estradiol / Levonorgestrel, Esomeprazole, Placebo matching oral contraceptive
Drug
Lead sponsor
Assembly Biosciences
Industry
Eligibility
18 Years to 65 Years
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Mar 4, 2020 · Synced Oct 27, 2026, 3:03 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

To Assess the Effect of Rifampicin on the Pharmacokinetics of Selumetinib in Healthy Male Volunteers

NCT02046850
View directory record Official record
Conditions
Solid Tumours
Interventions
selumetinib, rifampicin
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 45 Years · Male only
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Apr 29, 2014 · Synced Oct 27, 2026, 3:03 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 2, 2025 · Synced Oct 27, 2026, 3:03 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 23, 2017 · Synced Oct 27, 2026, 3:03 AM 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 27, 2026, 3:03 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Drug-Drug Interaction Study Between EDP-938, Itraconazole, Rifampin, and Quinidine in Healthy Subjects

NCT03755778
View directory record Official record
Conditions
RSV Infection
Interventions
EDP-938, Itraconazole, Rifampin, Quinidine
Drug
Lead sponsor
Enanta Pharmaceuticals, Inc
Industry
Eligibility
18 Years to 55 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Lenexa, Kansas
Source: ClinicalTrials.gov public record
Updated Jun 14, 2019 · Synced Oct 27, 2026, 3:03 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Study in Healthy Volunteers to Investigate the Effects of Rifampin on the Pharmacokinetics of NKTR-118

NCT01533870
View directory record Official record
Conditions
Drug Induced Constipation
Interventions
NKTR-118, Rifampin
Drug
Lead sponsor
AstraZeneca
Industry
Eligibility
18 Years to 55 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012
U.S. locations
1
States / cities
Overland Park, Kansas
Source: ClinicalTrials.gov public record
Updated Oct 15, 2014 · Synced Oct 27, 2026, 3:03 AM EDT