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ClinicalTrials.gov public records Last synced Oct 25, 2026, 11:20 AM EDT

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Showing 1–24 of 209 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Resistance Bacterial Clear all
Completed Phase 2 Interventional Results available

Uncomplicated Skin and Soft Tissue Infections Caused by Community-Associated Methicillin-Resistant Staphylococcus Aureus

NCT00730028
View directory record Official record
Conditions
Staphylococcal Infection
Interventions
Trimethoprim-sulfamethoxazole, Placebo, Clindamycin
Drug · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
6 Months to 85 Years
Enrollment
1,310 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
6
States / cities
San Francisco, California • Torrance, California • Atlanta, Georgia + 3 more
Source: ClinicalTrials.gov public record
Updated Mar 17, 2016 · Synced Oct 25, 2026, 11:20 AM EDT
Completed No phase listed Observational

Antimicrobial Susceptibility Patterns of N. Gonorrhea Isolates in an Era of Quinolone Resistance

NCT00692822
View directory record Official record
Conditions
Gonorrhea
Interventions
Not listed
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 80 Years · Male only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Mar 7, 2012 · Synced Oct 25, 2026, 11:20 AM EDT
Completed Phase 4 Interventional Results available

Evaluation of Ceftaroline Fosamil Versus a Comparator in Adult Subjects With Community-acquired Bacterial Pneumonia (CABP) With Risk for Methicillin-resistant Staphylococcus Aureus

NCT01645735
View directory record Official record
Conditions
Infections
Interventions
Ceftaroline fosamil, Ceftriaxone plus vancomycin
Drug
Lead sponsor
Forest Laboratories
Industry
Eligibility
18 Years and older
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
13
States / cities
Phoenix, Arizona • Sylmar, California • DeLand, Florida + 10 more
Source: ClinicalTrials.gov public record
Updated Feb 1, 2016 · Synced Oct 25, 2026, 11:20 AM EDT
Completed Not applicable Interventional

A Prospective Study of Multidrug Resistance and a Pilot Study of the Safety of and Clinical and Microbiologic Response to Levofloxacin in Combination With Other Antimycobacterial Drugs for Treatment of Multidrug-Resistant Pulmonary Tuberculosis (MDRTB) in HIV-Infected Patients.

NCT00000796
View directory record Official record
Conditions
HIV Infections, Tuberculosis
Interventions
Cycloserine, Ethionamide, Capreomycin sulfate, Aminosalicylic acid, Streptomycin sulfate, Ethambutol hydrochloride, Amikacin sulfate, Isoniazid, Pyrazinamide, Pyridoxine hydrochloride, Levofloxacin, Rifampin, Clofazimine
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
525 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1998
U.S. locations
21
States / cities
Chicago, Illinois • Detroit, Michigan • Brooklyn, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Nov 3, 2021 · Synced Oct 25, 2026, 11:20 AM EDT
Terminated Phase 4 Interventional Results available

BL Infusion Trial:Beta-lactam Continuous Versus Intermittent Infusion and Associated Bacterial Resistance and Therapy Outcomes in Critically Ill Patients With Severe Pneumonia

NCT05102162
View directory record Official record
Conditions
Pneumonia
Interventions
Cefepime, Meropenem, or Piperacillin/Tazobactam
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 100 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Dec 12, 2023 · Synced Oct 25, 2026, 11:20 AM EDT
Not listed Phase 1 Interventional Accepts healthy volunteers

Bacterial Overgrowth Associated With Chronic Multisymptom Illness Complex

NCT00956150
View directory record Official record
Conditions
Gulf War Syndrome
Interventions
Lactulose Breath Test, Rifaximin, Placebo
Procedure · Drug
Lead sponsor
Henry C. Lin, MD
Federal
Eligibility
21 Years and older
Enrollment
210 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2009
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated May 1, 2013 · Synced Oct 25, 2026, 11:20 AM EDT
Completed Phase 4 Interventional Results available

A Longitudinal Study to Identify IBS Phenotypes Using Fecal Microbiota and Hydrogen Breath Testing

NCT03219528
View directory record Official record
Conditions
Irritable Bowel Syndrome
Interventions
Rifaximin 550 MG, Low FODMAP Diet
Drug · Other
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Apr 27, 2025 · Synced Oct 25, 2026, 11:20 AM EDT
Completed Phase 3 Interventional Results available

Comparison of Telavancin and Vancomycin for Complicated Skin and Skin Structure Infections With a Focus on Methicillin-resistant Staphylococcus Aureus

NCT00091819
View directory record Official record
Conditions
Staphylococcal Skin Infection
Interventions
Telavancin, Vancomycin
Drug
Lead sponsor
Cumberland Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
862 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2006
U.S. locations
1
States / cities
National City, California
Source: ClinicalTrials.gov public record
Updated Jan 16, 2019 · Synced Oct 25, 2026, 11:20 AM EDT
Completed Not applicable Interventional

Use of SBI in IBS Subjects Following a Successful Treatment of Small Intestinal Bacterial Overgrowth

NCT02251483
View directory record Official record
Conditions
Diarrhea Predominant Irritable Bowel Syndrome, Small Intestinal Bacterial Overgrowth
Interventions
Serum-derived bovine immunoglobulin protein isolate (SBI), Placebo
Other
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years to 75 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jul 29, 2015 · Synced Oct 25, 2026, 11:20 AM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Dynamics of Colonization and Infection by Multidrug-Resistant Pathogens in Immunocompromised and Critically Ill Patients

NCT06258551
View directory record Official record
Conditions
Antimicrobial Drug Resistance, Antibiotic Resistant Infection, Clostridium Difficile, Carbapenem-Resistant Enterobacteriaceae Infection, Extended Spectrum Beta-Lactamase Producing Bacteria Infection, Vancomycin Resistant Enterococci Infection, Carbapenem Resistant Bacterial Infection, Vancomycin-Resistant Enterococcal Infection
Interventions
Not listed
Lead sponsor
The Methodist Hospital Research Institute
Other
Eligibility
18 Years and older
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
2
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 14, 2024 · Synced Oct 25, 2026, 11:20 AM EDT
Completed Phase 3 Interventional Results available

Comparative Study of Ceftaroline vs. Vancomycin Plus Aztreonam in Adult Subjects With Complicated Skin Infections

NCT00424190
View directory record Official record
Conditions
Bacterial Infections
Interventions
IV Vancomycin plus IV Aztreonam, Ceftaroline
Drug
Lead sponsor
Forest Laboratories
Industry
Eligibility
18 Years and older
Enrollment
698 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
15
States / cities
Dothan, Alabama • Long Beach, California • Los Angeles, California + 11 more
Source: ClinicalTrials.gov public record
Updated Mar 14, 2017 · Synced Oct 25, 2026, 11:20 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

An Attempt to Reduce Community-Acquired Methicillin-Resistant Staphylococcus Aureus (MRSA) Infection in Soldiers

NCT00289588
View directory record Official record
Conditions
Community-Acquired MRSA Infections, Abscesses, Cellulitis, Folliculitis
Interventions
Mupirocin (drug)
Drug
Lead sponsor
Brooke Army Medical Center
Federal
Eligibility
17 Years to 60 Years
Enrollment
3,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005
U.S. locations
1
States / cities
Fort Sam Houston, Texas
Source: ClinicalTrials.gov public record
Updated Feb 16, 2006 · Synced Oct 25, 2026, 11:20 AM EDT
Completed Not applicable Interventional

A Study to Evaluate the Effects of Azithromycin on MAC Disease Prevention in HIV-Positive Patients

NCT00000947
View directory record Official record
Conditions
Mycobacterium Avium-intracellulare Infection, HIV Infections
Interventions
Azithromycin
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
850 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2000
U.S. locations
19
States / cities
San Francisco, California • Denver, Colorado • Washington D.C., District of Columbia + 11 more
Source: ClinicalTrials.gov public record
Updated Nov 3, 2021 · Synced Oct 25, 2026, 11:20 AM EDT
Completed No phase listed Observational

Antibiotic Resistant Community-Acquired E. Coli

NCT00298103
View directory record Official record
Conditions
E Coli Infection
Interventions
Not listed
Lead sponsor
University of Pittsburgh
Other
Eligibility
Not listed
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2015
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 17, 2015 · Synced Oct 25, 2026, 11:20 AM EDT
Completed No phase listed Observational

Chart Review of Outcome of Treatment for S. Aureus Bacteremia

NCT00304902
View directory record Official record
Conditions
Staphylococcus Aureus
Interventions
Not listed
Lead sponsor
Michael E. DeBakey VA Medical Center
Federal
Eligibility
18 Years to 64 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 10, 2010 · Synced Oct 25, 2026, 11:20 AM EDT
Completed Phase 3 Interventional Results available

Chlorhexidine Gluconate Cleansing in Preventing Central Line Associated Bloodstream Infection and Acquisition of Multi-drug Resistant Organisms in Younger Patients With Cancer or Undergoing Donor Stem Cell Transplant

NCT01817075
View directory record Official record
Conditions
Bacterial Infection, Benign Neoplasm, Malignant Neoplasm, Methicillin-Resistant Staphylococcus Aureus Infection, Myeloid Neoplasm, Recurrent Childhood Acute Lymphoblastic Leukemia, Recurrent Childhood Acute Myeloid Leukemia
Interventions
Chlorhexidine Gluconate Skin Cleanser, Laboratory Biomarker Analysis, Mild Soap Skin Cleanser, Questionnaire Administration
Procedure · Other
Lead sponsor
Children's Oncology Group
Network
Eligibility
2 Months to 21 Years
Enrollment
177 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2020
U.S. locations
53
States / cities
Duarte, California • Long Beach, California • Los Angeles, California + 44 more
Source: ClinicalTrials.gov public record
Updated Jun 22, 2021 · Synced Oct 25, 2026, 11:20 AM EDT
Completed No phase listed Observational

Study to Determine Quicker Methods of Diagnosing Pneumonia Caused by a Breathing Machine in Critically Ill Patients

NCT00938002
View directory record Official record
Conditions
Ventilator Acquired Pneumonia
Interventions
Acceler8 Pheno
Diagnostic Test
Lead sponsor
Denver Health and Hospital Authority
Other
Eligibility
18 Years and older
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2019
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Dec 24, 2019 · Synced Oct 25, 2026, 11:20 AM EDT
Completed No phase listed Observational

Quinolone Resistance in Bloodstream Isolates of Escherichia Coli

NCT00449735
View directory record Official record
Conditions
Bacterial Infections
Interventions
Not listed
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2017
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 12, 2018 · Synced Oct 25, 2026, 11:20 AM EDT
Recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

Human Immune Response to Ixodes Scapularis Tick Bites

NCT05036707
View directory record Official record
Conditions
Tick-borne Diseases, Tick Resistance, Lyme Disease
Interventions
Xenodiagnosis Ticks, skin biopsy, blood draw
Device · Procedure
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 99 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2029
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 22, 2026 · Synced Oct 25, 2026, 11:20 AM EDT
Recruiting Phase 2 Interventional

A Study of LBP-EC01 in the Treatment of Acute Uncomplicated UTI Caused by Drug Resistant E. Coli (ELIMINATE Trial)

NCT05488340
View directory record Official record
Conditions
Urinary Tract Infections
Interventions
LBP-EC01 0.1 x IV dose, LBP-EC01 0.01x IV Dose, LBP-EC01 IV Infusion Dose, Placebo, LBP-EC01, TMP/SMX
Drug
Lead sponsor
Locus Biosciences
Industry
Eligibility
18 Years to 75 Years · Female only
Enrollment
318 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
17
States / cities
Fresno, California • Lancaster, California • Los Angeles, California + 13 more
Source: ClinicalTrials.gov public record
Updated Sep 14, 2026 · Synced Oct 25, 2026, 11:20 AM EDT
Completed Phase 2 Interventional Results available

Phase 2a Study of CG400549 for the Treatment of cABSSSI Caused by Methicillin-resistant Staphylococcus Aureus

NCT01593761
View directory record Official record
Conditions
Skin Infection
Interventions
CG400549
Drug
Lead sponsor
CrystalGenomics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012
U.S. locations
1
States / cities
La Mesa, California
Source: ClinicalTrials.gov public record
Updated Sep 10, 2022 · Synced Oct 25, 2026, 11:20 AM EDT
Recruiting Phase 2 Interventional

Trial Targeting Gut Bacterial Androgen Production to Reverse Therapeutic Resistance to Abiraterone in Patients With Metastatic Prostate Cancer

NCT06616597
View directory record Official record
Conditions
Prostate Cancer (Adenocarcinoma), Metastatic Prostate Cancer
Interventions
Abiraterone acetate, Dexamethasone, Metronidazole
Drug
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older · Male only
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2032
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 19, 2026 · Synced Oct 25, 2026, 11:20 AM EDT
Completed Phase 3 Interventional Results available

Weight Loss in Parkinson's Disease and Role of Small Bowel Bacterial Overgrowth

NCT01662791
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Rifaximin
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Aug 4, 2016 · Synced Oct 25, 2026, 11:20 AM EDT
Active, not recruiting Phase 4 Interventional

Kebele Elimination of Trachoma for Ocular Health

NCT03335072
View directory record Official record
Conditions
Trachoma
Interventions
Azithromycin
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
Not listed
Enrollment
320,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Oct 23, 2025 · Synced Oct 25, 2026, 11:20 AM EDT