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Showing 1–24 of 231 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Antibiotic (prophylaxis) Clear all
Enrolling by invitation Phase 4 Interventional

Probiotics in the Prevention of Recurrent Prosthetic Joint Infection of the Hip and Knee

NCT06636669
View directory record Official record
Conditions
Prosthetic-joint Infection, Dysbiosis
Interventions
Probiotic, Standard of care
Drug · Other
Lead sponsor
Boston Medical Center
Other
Eligibility
18 Years to 90 Years
Enrollment
152 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
2
States / cities
Boston, Massachusetts • New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 25, 2026 · Synced Sep 24, 2026, 4:13 PM EDT
Withdrawn Phase 4 Interventional

Serum and Tissue Cefazolin Concentrations in Normal Weight Patients Undergoing Cesarean Delivery.

NCT01880112
View directory record Official record
Conditions
Infection, Cesarean Delivery, Antibiotic Prophylaxis
Interventions
Cefazolin
Drug
Lead sponsor
West Virginia University
Other
Eligibility
18 Years and older · Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Jun 17, 2013 · Synced Sep 24, 2026, 4:13 PM EDT
Terminated Phase 3 Interventional Accepts healthy volunteers Results available

Bismuth Subsalicylate's Role in the Prevention of Travelers' Diarrhea

NCT03535272
View directory record Official record
Conditions
Diarrhea Travelers, Antibiotic Resistant Infection
Interventions
Bismuth subsalicylate, Placebo
Drug
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
18 Years to 69 Years
Enrollment
482 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 21, 2026 · Synced Sep 24, 2026, 4:13 PM 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 Sep 24, 2026, 4:13 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

A Pilot Study Assessing Intestinal Microbiota Diversification and Changes After Travel to South(East) Asia From the US

NCT03043300
View directory record Official record
Conditions
Dysbiosis
Interventions
Screening Criteria Review, Pre-Travel Questionnaire, Pre-Travel Stool Specimen Collection, Short-Term Post-Travel Questionnaire, Short-Term Post-Travel Stool Specimen Collection, Long-Term Post-Travel Questionnaire, Long-Term Post-Travel Stool Specimen Collection
Other
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
2
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Jan 29, 2019 · Synced Sep 24, 2026, 4:13 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 Sep 13, 2026 · Synced Sep 24, 2026, 4:13 PM EDT
Completed No phase listed Observational Results available

Perioperative Antibiotic Choices for Surgical Prophylaxis in Penicillin-allergic Pediatric Patients

NCT02036840
View directory record Official record
Conditions
Penicillin Allergy
Interventions
Antibiotic
Drug
Lead sponsor
Joseph D. Tobias
Other
Eligibility
Not listed
Enrollment
513 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 21, 2015 · Synced Sep 24, 2026, 4:13 PM EDT
Not listed Phase 4 Interventional

Study of Chlorhexidine as the Hub Antiseptic to Prevent Catheter Related Infections in Newborn Infants

NCT00516360
View directory record Official record
Conditions
Catheterization
Interventions
3.15% chlorhexidine as daily antiseptic on needleless access port
Device
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
Up to 6 Months
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated May 29, 2008 · Synced Sep 24, 2026, 4:13 PM EDT
Completed No phase listed Observational

Selective Laser Photocoagulation of Communicating Vessels in Twin-Twin Transfusion Syndrome

NCT01622049
View directory record Official record
Conditions
Twin Twin Transfusion Syndrome
Interventions
Selective Laser Photocoagulation of Communicating Vessels
Device
Lead sponsor
University of South Florida
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Mar 13, 2013 · Synced Sep 24, 2026, 4:13 PM EDT
Terminated Not applicable Interventional

AO Multicenter Intervention Trial for Prevention of Surgical Site Infection

NCT03380273
View directory record Official record
Conditions
Surgical Site Infection
Interventions
Implementation of the AO Trauma SSI Prevention Bundle
Behavioral
Lead sponsor
AO Clinical Investigation and Publishing Documentation
Other
Eligibility
18 Years to 100 Years
Enrollment
222 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
8
States / cities
Los Angeles, California • Lexington, Kentucky • Worcester, Massachusetts + 5 more
Source: ClinicalTrials.gov public record
Updated Jan 17, 2022 · Synced Sep 24, 2026, 4:13 PM EDT
Withdrawn Phase 4 Interventional

Comparison Study of Cefazolin Versus Cefazolin Plus Azithromycin Prophylaxis in Post-Cesarean Endometritis

NCT01721616
View directory record Official record
Conditions
Endometritis
Interventions
Azithromycin, Cefazolin
Drug
Lead sponsor
University of Missouri, Kansas City
Other
Eligibility
Female only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated May 4, 2015 · Synced Sep 24, 2026, 4:13 PM EDT
Completed Not applicable Interventional Results available

Oral Paricalcitol in Kidney Transplant Recipients

NCT00587158
View directory record Official record
Conditions
Transplant; Failure, Kidney, Renal Disease, End Stage, Hyperparathyroidism, Secondary
Interventions
Paricalcitol, Corticosteroid Avoidance Immune Suppression Protocol
Drug · Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
2
States / cities
Scottsdale, Arizona • Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 12, 2013 · Synced Sep 24, 2026, 4:13 PM EDT
Recruiting Phase 2 Interventional

Antibiotic Prophylaxis to Prevent Obesity-Related Induction Complications in Nulliparae at Term 2.0

NCT06488781
View directory record Official record
Conditions
Obesity in Pregnancy, Labor Complication
Interventions
Azithromycin, Placebo
Drug
Lead sponsor
University of Oklahoma
Other
Eligibility
15 Years to 45 Years · Female only
Enrollment
787 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Mar 11, 2026 · Synced Sep 24, 2026, 4:13 PM EDT
Not yet recruiting No phase listed Observational

Adapting Enhanced Supports to Improve Patient Adherence to Secondary Antibiotic Prophylaxis for Rheumatic Heart Disease

NCT07666048
View directory record Official record
Conditions
Rheumatic Heart Disease in Children
Interventions
CHW Delivered SAP Adherence Supports
Behavioral
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
Not listed
Enrollment
308 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 12, 2026 · Synced Sep 24, 2026, 4:13 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 25, 2025 · Synced Sep 24, 2026, 4:13 PM EDT
Terminated Phase 4 Interventional Results available

Preadmission Skin Wipe Use for Surgical Site Infection Prophylaxis in Adult Orthopaedic Surgery Patients

NCT03401749
View directory record Official record
Conditions
Surgical Site Infection
Interventions
Chlorhexidine Gluconate 2% Wipe, Theraworx Bath Wipes
Drug · Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 64 Years
Enrollment
203 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated May 1, 2022 · Synced Sep 24, 2026, 4:13 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 29, 2018 · Synced Sep 24, 2026, 4:13 PM EDT
Withdrawn No phase listed Observational Accepts healthy volunteers

The Role of Guideline-adherent Perioperative Antibiotic Administration and the Risk of Surgical Site Infections After Non-cardiac Surgery.

NCT03982810
View directory record Official record
Conditions
Surgical Site Infection, Antibiotic Prophylaxis
Interventions
Antibiotics
Drug
Lead sponsor
Yale University
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Jul 24, 2022 · Synced Sep 24, 2026, 4:13 PM EDT
Completed No phase listed Observational

A Study to Examine the Effects of Stopping Preventive Therapy for Disseminated Mycobacterium Avium Complex (DMAC) in HIV-Positive Patients

NCT00000907
View directory record Official record
Conditions
Mycobacterium Avium-Intracellulare Infection, HIV Infections
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
24
States / cities
Los Angeles, California • Menlo Park, California • San Diego, California + 16 more
Source: ClinicalTrials.gov public record
Updated Jul 29, 2008 · Synced Sep 24, 2026, 4:13 PM EDT
Completed No phase listed Observational

Doxycycline for the Prevention of Spontaneous Bacterial Peritonitis

NCT04153604
View directory record Official record
Conditions
Cirrhosis, Spontaneous Bacterial Peritonitis
Interventions
doxycycline
Drug
Lead sponsor
Methodist Health System
Other
Eligibility
18 Years and older · Female only
Enrollment
841 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 19, 2026 · Synced Sep 24, 2026, 4:13 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Pharmacokinetics and Safety of Cefazolin 3gm DUPLEX in Adults

NCT05205486
View directory record Official record
Conditions
Infections
Interventions
Cefazolin 3gm for Injection USP and Dextrose Injection USP
Drug
Lead sponsor
B. Braun Medical Inc.
Industry
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
2
States / cities
Columbus, Georgia • Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Feb 27, 2025 · Synced Sep 24, 2026, 4:13 PM EDT
Completed Phase 4 Interventional Results available

Serum and Tissue Cefazolin Concentrations in Patients Undergoing Cesarean Delivery

NCT01755026
View directory record Official record
Conditions
Cesarean Delivery, Wound Infection, Obesity
Interventions
cefazolin
Drug
Lead sponsor
Michael Stitely
Other
Eligibility
18 Years and older · Female only
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Aug 20, 2013 · Synced Sep 24, 2026, 4:13 PM EDT
Terminated No phase listed Observational

Pharmacokinetics of Antibiotics During Extracorporeal Membrane Oxygenation (ECMO) Support

NCT03922451
View directory record Official record
Conditions
Drug Effect
Interventions
piperacillin-tazobactam, Cefazolin
Drug
Lead sponsor
Boston Children's Hospital
Other
Eligibility
Up to 18 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 20, 2022 · Synced Sep 24, 2026, 4:13 PM EDT
Completed Phase 3 Interventional

Study of Rezafungin Compared to Standard Antimicrobial Regimen for Prevention of Invasive Fungal Diseases in Adults Undergoing Allogeneic Blood and Marrow Transplantation

NCT04368559
View directory record Official record
Conditions
Candidemia, Mycoses, Fungal Infection, Fungemia, Invasive Candidiasis, Pneumocystis, Mold Infection, Invasive Fungal Disease, Prophylaxis of Invasive Fungal Infections, Aspergillus
Interventions
Rezafungin for Injection, Posaconazole, Fluconazole, Trimethoprim-sulfamethoxazole (TMP/SMX), Intravenous Placebo, Oral Placebo
Drug
Lead sponsor
Mundipharma Research Limited
Industry
Eligibility
18 Years and older
Enrollment
602 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
18
States / cities
Birmingham, Alabama • Los Angeles, California • Stanford, California + 13 more
Source: ClinicalTrials.gov public record
Updated Apr 12, 2026 · Synced Sep 24, 2026, 4:13 PM EDT