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ClinicalTrials.gov public records Last synced Jun 7, 2026, 4:39 AM EDT

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Showing 1–24 of 358 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Antibiotic Treatment Clear all
Recruiting No phase listed Observational

C. Difficile Toxin Levels in Stool From Healthy Individuals Following Standard of Care Antibiotic Treatment for CDI.

NCT07250724
View directory record Official record
Conditions
Clostridioides Difficile Infection Recurrence
Interventions
Participants that are undergoing standard of care antibiotic treatment for their second C. Diff infection will be followed for 8 weeks after completing antibiotic treatment.
Other
Lead sponsor
Bactolife A/S
Industry
Eligibility
18 Years to 75 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated May 27, 2026 · Synced Jun 7, 2026, 4:39 AM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

Restoration of Antibiotics Related Infant Microbiota Perturbations by Autologous Fecal Transplant

NCT06609980
View directory record Official record
Conditions
Antibiotic Treatment
Interventions
autologous fecal matter transplant
Drug
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
1 Month to 4 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
New Brunswick, New Jersey
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced Jun 7, 2026, 4:39 AM EDT
Not listed Phase 2 Interventional Accepts healthy volunteers

Single Dose Aminoglycosides for Acute Uncomplicated Cystitis in the Emergency Department Setting

NCT05702762
View directory record Official record
Conditions
Urinary Tract Infections
Interventions
Gentamicin, Standard of Care
Drug
Lead sponsor
Mercy Health Ohio
Other
Eligibility
18 Years and older · Female only
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Youngstown, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 26, 2023 · Synced Jun 7, 2026, 4:39 AM EDT
Enrolling by invitation Phase 4 Interventional

Trial of Reducing Inpatient Antibiotic Durations in Children

NCT07322146
View directory record Official record
Conditions
Pneumonia, Skin and Soft Tissue (SST) Infection, Urinary Tract Infections (UTIs)
Interventions
Study Drug Placebo
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
60 Days to 17 Years
Enrollment
1,200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
10
States / cities
Birmingham, Alabama • Aurora, Colorado • Washington D.C., District of Columbia + 6 more
Source: ClinicalTrials.gov public record
Updated Apr 28, 2026 · Synced Jun 7, 2026, 4:39 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Trial of Randomized Antibiotic Administration in Percutaneous Nephrolithotomy

NCT02579161
View directory record Official record
Conditions
Kidney Stones
Interventions
cephalosporins, Fluoroquinolones, Clindamycin, Ampicillin/Gentamicin
Drug
Lead sponsor
Northwell Health
Other
Eligibility
18 Years and older
Enrollment
98 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
2
States / cities
Manhasset, New York • New Hyde Park, New York
Source: ClinicalTrials.gov public record
Updated Sep 5, 2023 · Synced Jun 7, 2026, 4:39 AM EDT
Not listed No phase listed Observational

Don't Treat Ghosts Anti-MRSA Antibiotics in Osteomyelitis Without Identified MRSA

NCT06096012
View directory record Official record
Conditions
Osteomyelitis
Interventions
Anti-MRSA therapy
Drug
Lead sponsor
Methodist Health System
Other
Eligibility
18 Years to 75 Years
Enrollment
365 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Oct 22, 2023 · Synced Jun 7, 2026, 4:39 AM EDT
Completed Phase 3 Interventional

Ventilator-Associated Pneumonia/Hospital-Acquired Pneumonia Requiring Mechanical Ventilatory Support

NCT00050401
View directory record Official record
Conditions
Pneumonia
Interventions
MERREM I.V. 2g as a 3 hour infusion every 8 hours, vancomycin I.V. 1 g every 12 hours, tobramycin I.V. 5 mg/kg every 24 hours, MERREM I.V. 1g as a 30 minute infusion every 8 hours, MERREM I.V. 500 mg as a 3 hour infusion every 8 hours
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2004
U.S. locations
10
States / cities
Phoenix, Arizona • Newark, Delaware • Indianapolis, Indiana + 7 more
Source: ClinicalTrials.gov public record
Updated Aug 31, 2017 · Synced Jun 7, 2026, 4:39 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 2, 2021 · Synced Jun 7, 2026, 4:39 AM EDT
Recruiting Phase 2 Interventional

CMV CTLs in Neonates With CMV Infection

NCT05564598
View directory record Official record
Conditions
Congenital Cytomegaloviral (CMV) Disease
Interventions
CMV Cytotoxic T-Lymphocytes, Anti-viral Therapy
Biological · Drug
Lead sponsor
New York Medical College
Other
Eligibility
0 Days to 21 Days
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
4
States / cities
Los Angeles, California • St Louis, Missouri • Valhalla, New York + 1 more
Source: ClinicalTrials.gov public record
Updated Mar 29, 2026 · Synced Jun 7, 2026, 4:39 AM EDT
Recruiting No phase listed Observational

Shorter Versus Extended Course of Antibiotic Therapy for Necrotizing Soft Tissue Infections

NCT06002607
View directory record Official record
Conditions
Necrotizing Soft Tissue Infection
Interventions
Antibiotic duration (short course), Antibiotic duration (extended course)
Other
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Feb 9, 2026 · Synced Jun 7, 2026, 4:39 AM EDT
Not listed No phase listed Observational

Utility Assessment of a Pharmacy-to-Dose Daptomycin

NCT05224687
View directory record Official record
Conditions
Antibiotics Causing Adverse Effects in Therapeutic Use
Interventions
Retroactive review of patient data of those receiving a dose of daptomycin
Other
Lead sponsor
Methodist Health System
Other
Eligibility
Not listed
Enrollment
100 participants
Timeline
2021 – 2022
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Feb 3, 2022 · Synced Jun 7, 2026, 4:39 AM EDT
Completed Phase 3 Interventional Results available

Delafloxacin Versus Vancomycin and Aztreonam for the Treatment of Acute Bacterial Skin and Skin Structure Infections

NCT01811732
View directory record Official record
Conditions
Skin and Subcutaneous Tissue Bacterial Infections
Interventions
Delafloxacin, Vancomycin, Aztreonam, Placebo
Drug
Lead sponsor
Melinta Therapeutics, Inc.
Industry
Eligibility
18 Years and older
Enrollment
660 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
17
States / cities
Montgomery, Alabama • Anaheim, California • Chula Vista, California + 14 more
Source: ClinicalTrials.gov public record
Updated Sep 26, 2017 · Synced Jun 7, 2026, 4:39 AM EDT
Completed Phase 2 Interventional

Antibiotic Treatment Trial Directed Against Chlamydia Pneumonia in Multiple Sclerosis

NCT00043264
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Rifampin, Azithromycin
Drug
Lead sponsor
National Center for Research Resources (NCRR)
NIH
Eligibility
18 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 23, 2005 · Synced Jun 7, 2026, 4:39 AM EDT
Recruiting Not applicable Interventional

Antibiotic Device for Osteomyelitis of the Extremities Pivotal Trial - Genex With Gentamicin.

NCT07270380
View directory record Official record
Conditions
Osteomyelitis
Interventions
genex with gentamicin (genex G)
Device
Lead sponsor
Biocomposites Ltd
Industry
Eligibility
18 Years and older
Enrollment
139 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Jun 7, 2026, 4:39 AM EDT
Completed Phase 1 Interventional Results available

Validation of the Short-term Antimicrobial Action of Transplanted Bacteria

NCT01959113
View directory record Official record
Conditions
Atopic Dermatitis
Interventions
Autologous Microbiome Transplant, Placebo Arm
Biological · Other
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 80 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Jun 16, 2020 · Synced Jun 7, 2026, 4:39 AM EDT
Recruiting Phase 2 Interventional

Antibiotic Treatment Effects on Intratumoral Bacteria Modulation in Surgical Patients With Oral Cancer

NCT06627270
View directory record Official record
Conditions
Oral Squamous Cell Carcinoma, Oral Cancer, Head and Neck Cancer, Head and Neck Carcinoma
Interventions
Metronidazole, Chlorhexidine
Drug · Other
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 3, 2026 · Synced Jun 7, 2026, 4:39 AM EDT
Completed Phase 2Phase 3 Interventional

Comparison of Two- Versus Three-antibiotic Therapy for Pulmonary Mycobacterium Avium Complex Disease

NCT03672630
View directory record Official record
Conditions
Mycobacterium Avium Complex, Nontuberculous Mycobacterium Infection
Interventions
Azithromycin, Ethambutol, Rifampin
Drug
Lead sponsor
Kevin Winthrop
Other
Eligibility
18 Years and older
Enrollment
474 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2026
U.S. locations
25
States / cities
Loma Linda, California • San Diego, California • San Francisco, California + 21 more
Source: ClinicalTrials.gov public record
Updated Feb 1, 2026 · Synced Jun 7, 2026, 4:39 AM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Use of Prophylactic Antibiotics Prior to OnabotulinumtoxinA

NCT05519072
View directory record Official record
Conditions
Antibiotic Prophylaxis
Interventions
Nitrofurantoin
Drug
Lead sponsor
Atlantic Health System
Other
Eligibility
18 Years and older · Female only
Enrollment
140 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Morristown, New Jersey
Source: ClinicalTrials.gov public record
Updated Mar 26, 2024 · Synced Jun 7, 2026, 4:39 AM EDT
Not listed Phase 3 Interventional

Randomized Study of Combination Chemotherapy With or Without Focused Microwave Thermotherapy Before Surgery in Treating Women With Large Breast Cancer Tumors

NCT01204801
View directory record Official record
Conditions
Breast Cancer
Interventions
Focused Microwave Thermotherapy, Chemotherapy (control)
Device · Drug
Lead sponsor
Medifocus, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
238 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Sep 23, 2015 · Synced Jun 7, 2026, 4:39 AM EDT
Completed Not applicable Interventional

Determining the Feasibility of Outpatient Parenteral Antibiotic Therapy for Persons Who Inject Opioids

NCT05300581
View directory record Official record
Conditions
Opioid Use Disorder
Interventions
OPAT for PWID
Other
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 100 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 28, 2025 · Synced Jun 7, 2026, 4:39 AM EDT
Active, not recruiting Not applicable Interventional

Digital Otoscopy Versus Standard Otoscopy on the Diagnosis and Treatment of Otitis Media in Young Children

NCT07328555
View directory record Official record
Conditions
Otitis Media, Antimicrobial Stewardship
Interventions
Device: Digital Otoscope
Device
Lead sponsor
Boston Children's Hospital
Other
Eligibility
Not listed
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Wellesley, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Jun 7, 2026, 4:39 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Prophylactic Antibiotic Administration for Bladder OnabotulinumtoxinA Injection

NCT05719285
View directory record Official record
Conditions
Overactive Bladder, Overactive Bladder Syndrome, Urge Incontinence, Urinary Incontinence, Urge
Interventions
Single-Dose Antibiotic, Multi-Dose Antibiotic
Drug
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 1, 2024 · Synced Jun 7, 2026, 4:39 AM EDT
No Longer Available No phase listed Expanded access Accepts healthy volunteers

Direct Antibiotic Delivery of Cefazolin Into Soft Tissue Infections Using Subcutaneous Injection and Ultrasonic Dispersion

NCT01238276
View directory record Official record
Conditions
Infection, Soft Tissue, Infection, Wound, Cellulitis, Diabetic Foot Ulcer
Interventions
Cefazolin, Silberg Tissue Preparation System
Drug · Device
Lead sponsor
Sonescence, Inc.
Industry
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
U.S. locations
1
States / cities
Sebastopol, California
Source: ClinicalTrials.gov public record
Updated Oct 22, 2018 · Synced Jun 7, 2026, 4:39 AM EDT
Not yet recruiting Phase 2Phase 3 Interventional Accepts healthy volunteers

Primary Prophylaxis of Clostridioides Difficile Infection With Oral Vancomycin

NCT07221708
View directory record Official record
Conditions
Clostridioides Difficile, Vancomycin Resistance Enterococcus Faecium
Interventions
Vancomycin (POC)
Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
65 Years to 100 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Glen Burnie, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 6, 2026 · Synced Jun 7, 2026, 4:39 AM EDT