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ClinicalTrials.gov public records Last synced Oct 22, 2026, 6:11 PM EDT

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Showing 1–24 of 234 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: antibiotic prophylaxis Clear all
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Antibiotic Prophylaxis for Transrectal Prostate Biopsy

NCT01659866
View directory record Official record
Conditions
Infection
Interventions
Ciprofloxacin, trimethoprim-sulfamethoxazole, cefuroxime, ceftriaxone, gentamicin, amikacin, aztreonam, imipenem
Drug
Lead sponsor
Northwestern University
Other
Eligibility
30 Years to 90 Years · Male only
Enrollment
563 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2016
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jun 25, 2019 · Synced Oct 22, 2026, 6:11 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety and Effect of L. Reuteri on Biomarkers of Inflammation in Healthy Infants With Colic

NCT01849991
View directory record Official record
Conditions
Gastrointestinal, Colic
Interventions
Lactobacillus reuteri, Placebo
Biological
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
3 Weeks to 3 Months
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jan 30, 2018 · Synced Oct 22, 2026, 6:11 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Preventing Infections in Orthopaedic Patients

NCT02948387
View directory record Official record
Conditions
Open Fracture
Interventions
Not listed
Lead sponsor
Olayemi Osiyemi MD
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
West Palm Beach, Florida
Source: ClinicalTrials.gov public record
Updated Oct 28, 2016 · Synced Oct 22, 2026, 6:11 PM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Bladder Botox UTI Antibiotic Prophylaxis

NCT06387329
View directory record Official record
Conditions
Overactive Bladder, Bladder Pain Syndrome
Interventions
Nitrofurantoin 100 MG
Drug
Lead sponsor
Walter Reed National Military Medical Center
Federal
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 19, 2025 · Synced Oct 22, 2026, 6:11 PM EDT
Completed Not applicable Interventional Results available

Antibiotic Use Following Distal and Mid-shaft Hypospadias Repair

NCT02593903
View directory record Official record
Conditions
Hypospadias
Interventions
Septra
Drug
Lead sponsor
Medical College of Wisconsin
Other
Eligibility
6 Months to 2 Years · Male only
Enrollment
67 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Nov 5, 2018 · Synced Oct 22, 2026, 6:11 PM EDT
Recruiting Phase 1 Interventional

[18F]Fluoropropyl-Trimethoprim ([18F]F-TMP) PET/CT Imaging to Evaluate Biodistribution and Kinetics in Human Subjects

NCT04263792
View directory record Official record
Conditions
Bacterial Infections
Interventions
[18F]fluoropropyl-trimethoprim
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 8, 2026 · Synced Oct 22, 2026, 6:11 PM EDT
Completed Phase 4 Interventional Results available

Suppressive Therapy With Oral Antibiotics for Prevention of Postoperative Urinary Tract Infection (UTI)

NCT01450800
View directory record Official record
Conditions
Urinary Tract Infection
Interventions
Nitrofurantoin, Placebo
Drug
Lead sponsor
Duke University
Other
Eligibility
21 Years and older · Female only
Enrollment
163 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Feb 13, 2017 · Synced Oct 22, 2026, 6:11 PM EDT
Completed Not applicable Interventional

Surgical Site Infection and Antibiotic Use Study

NCT04631185
View directory record Official record
Conditions
Surgical Site Infection, Breast Reconstruction, Antibiotic Use
Interventions
Single pre-operative dose of intravenous antibiotics with intraoperative redosing, One week of post-operative antibiotics
Drug
Lead sponsor
The Plastic Surgery Foundation
Other
Eligibility
18 Years and older · Female only
Enrollment
235 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
5
States / cities
Chicago, Illinois • Baltimore, Maryland • Ann Arbor, Michigan + 2 more
Source: ClinicalTrials.gov public record
Updated May 29, 2024 · Synced Oct 22, 2026, 6:11 PM EDT
Recruiting Phase 3 Interventional

Melatonin for Prevention of Kidney Injury

NCT05084196
View directory record Official record
Conditions
Acute Kidney Injury, Adverse Drug Event
Interventions
Melatonin, Placebo Capsule
Drug · Other
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
18 Years to 75 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
2
States / cities
New Brunswick, New Jersey • Somerville, New Jersey
Source: ClinicalTrials.gov public record
Updated Dec 17, 2025 · Synced Oct 22, 2026, 6:11 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Timing of Antibiotic Prophylaxis for Cesarean Deliveries

NCT00805545
View directory record Official record
Conditions
Infection
Interventions
Antibiotic
Drug
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Apr 16, 2012 · Synced Oct 22, 2026, 6:11 PM EDT
Withdrawn Phase 1 Interventional

Topical Antibiotic Prophylaxis for Nasal Packing Post-ESBS

NCT04946435
View directory record Official record
Conditions
Intracranial Pathology
Interventions
Antibiotic Irrigation
Combination Product
Lead sponsor
Carl Snyderman
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 9, 2023 · Synced Oct 22, 2026, 6:11 PM EDT
Completed Early Phase 1 Interventional

Rifaximin for Infection Prophylaxis in Hematopoietic Stem Cell Transplantation

NCT03529825
View directory record Official record
Conditions
Microbial Colonization
Interventions
Rifaximin
Drug
Lead sponsor
Emory University
Other
Eligibility
2 Years to 21 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 12, 2021 · Synced Oct 22, 2026, 6:11 PM EDT
Terminated Phase 2 Interventional Results available

Ceftriaxone to PRevent pneumOnia and inflammatTion aftEr Cardiac arresT (PROTECT)

NCT04999592
View directory record Official record
Conditions
Out-Of-Hospital Cardiac Arrest, Pneumonia
Interventions
Standard of care without prophylaxis, Antibiotic prophylaxis
Drug
Lead sponsor
David J. Gagnon
Other
Eligibility
18 Years and older
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Portland, Maine
Source: ClinicalTrials.gov public record
Updated Apr 17, 2025 · Synced Oct 22, 2026, 6:11 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Extending Dental Care to Nursing Home Residents to Reduce Mouth Infections and Incidence of Pneumonia and Improve Diabetic Glucose Control

NCT06890676
View directory record Official record
Conditions
Periodontitis, Gingivitis, Periodontal Disease, Periodontal Infections, Oral Infections, Periapical Infections, Pneumonia, Diabetes
Interventions
Comprehensive Oral Evaluation, Intraoral Complete Radiographic Series, • Teledentistry-synchronous and asynchronous, Periodontal Therapy, Periodontal Maintenance Procedure, Application of Caries Arresting Medicament, Oral Hygiene Assistance, Referral for Treatment of Acute Oral Infection
Other · Procedure
Lead sponsor
Missouri Department of Health and Senior Services
Other
Eligibility
60 Years to 100 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Jefferson City, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 26, 2025 · Synced Oct 22, 2026, 6:11 PM EDT
Completed Phase 4 Interventional Results available

Prophylactic Antimicrobial Catheter Lock

NCT00571259
View directory record Official record
Conditions
Bacteremia
Interventions
Heparin 1000U/mL, 4% Sodium Citrate with Gentamicin 320 mcg/mL
Drug
Lead sponsor
Satellite Healthcare
Other
Eligibility
Not listed
Enrollment
303 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2010
U.S. locations
1
States / cities
Mountain View, California
Source: ClinicalTrials.gov public record
Updated Sep 22, 2021 · Synced Oct 22, 2026, 6:11 PM EDT
Recruiting Phase 3 Interventional

Antibiotic Cement Bead Pouch Versus Negative Pressure Wound Therapy

NCT05615844
View directory record Official record
Conditions
Open tíbia Fracture
Interventions
Antibiotic Cement Bead Pouch, Negative Pressure Wound Therapy
Drug · Device
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years and older
Enrollment
312 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
30
States / cities
Chandler, Arizona • Tucson, Arizona • Davis, California + 25 more
Source: ClinicalTrials.gov public record
Updated Oct 22, 2026 · Synced Oct 22, 2026, 6:11 PM EDT
Enrolling by invitation Phase 4 Interventional

Antibiotic Prophylaxis in Pediatric Open Fractures

NCT06055712
View directory record Official record
Conditions
Fractures, Open, Infections
Interventions
Cefazolin, Cephalexin
Drug
Lead sponsor
St. Louis University
Other
Eligibility
0 Years to 17 Years
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2034
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 20, 2025 · Synced Oct 22, 2026, 6:11 PM EDT
Not listed Phase 1 Interventional Accepts healthy volunteers

Office Based Transperineal Laser Ablation for Benign Prostatic Hyperplasia HYPERPLASIA

NCT04760483
View directory record Official record
Conditions
Male Urogenital Diseases, Genital Diseases, Male, Prostatic Disease, Prostatic Hyperplasia
Interventions
SoracteLite(TM) TPLA for BPH
Device
Lead sponsor
Urological Research Network, LLC
Other
Eligibility
40 Years to 85 Years · Male only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Hialeah, Florida
Source: ClinicalTrials.gov public record
Updated Jan 26, 2023 · Synced Oct 22, 2026, 6:11 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Is Methenamine Prophylaxis for Urinary Tract Infection After Midurethral Sling as Effective as Antibiotic Prophylaxis?

NCT06810687
View directory record Official record
Conditions
Urinary Tract Infection (Diagnosis)
Interventions
Methenamine Hippurate 1g BD, Antibiotic prophylaxis
Drug · Other
Lead sponsor
Atlantic Health System
Other
Eligibility
18 Years to 100 Years · Female only
Enrollment
190 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Morristown, New Jersey
Source: ClinicalTrials.gov public record
Updated Feb 7, 2025 · Synced Oct 22, 2026, 6:11 PM EDT
Terminated Phase 4 Interventional Results available

Bezlotoxumab as Secondary Prophylaxis for C. Difficile in High-risk Hospitalized Patients Exposed to Antibiotics.

NCT03937999
View directory record Official record
Conditions
Clostridium Difficile
Interventions
Bezlotoxumab
Drug
Lead sponsor
Montefiore Medical Center
Other
Eligibility
60 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Nov 9, 2022 · Synced Oct 22, 2026, 6:11 PM EDT
Not listed Phase 4 Interventional

Struvite Stones Antibiotic Study

NCT02375295
View directory record Official record
Conditions
Kidney Stones
Interventions
ciprofloxacin, cotrimoxazole-trimethoprim, macrodantin
Drug
Lead sponsor
University of British Columbia
Other
Eligibility
19 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2023
U.S. locations
11
States / cities
Scottsdale, Arizona • San Diego, California • Baltimore, Maryland + 8 more
Source: ClinicalTrials.gov public record
Updated May 17, 2022 · Synced Oct 22, 2026, 6:11 PM EDT
Terminated No phase listed Observational

Study of Periodontitis and Blood Stream Infection in AML Patients Receiving Chemotherapy

NCT04858594
View directory record Official record
Conditions
Acute Myeloid Leukemia
Interventions
Planned Chemotherapy
Other
Lead sponsor
Masonic Cancer Center, University of Minnesota
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 11, 2022 · Synced Oct 22, 2026, 6:11 PM EDT
Completed Not applicable Interventional Results available

Study of Effectiveness and Safety of Azithromycin-based Extended-spectrum Prophylaxis to Prevent Post Cesarean Infection

NCT01235546
View directory record Official record
Conditions
Endometritis, Wound Infection, Abscess, Surgical Site Infection
Interventions
Azithromycin and standard of care, Placebo and standard of care
Drug
Lead sponsor
Alan Tita
Other
Eligibility
14 Years and older · Female only
Enrollment
2,013 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
9
States / cities
Birmingham, Alabama • New Orleans, Louisiana • Jackson, Mississippi + 6 more
Source: ClinicalTrials.gov public record
Updated Jul 28, 2017 · Synced Oct 22, 2026, 6:11 PM EDT
Terminated Phase 3 Interventional Results available

Locally Applied Antibiotics for Infection Prophylaxis in Treatment of Open Fractures

NCT03705962
View directory record Official record
Conditions
Fractures, Open
Interventions
Tobramycin, Placebo: normal saline
Drug · Other
Lead sponsor
University of Virginia
Other
Eligibility
18 Years to 70 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Jun 15, 2023 · Synced Oct 22, 2026, 6:11 PM EDT