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ClinicalTrials.gov public records Last synced Oct 6, 2026, 10:55 AM EDT

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Showing 145–168 of 174 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Benzathine penicillin G Clear all
Not listed Not applicable Interventional Accepts healthy volunteers

Standard Triple Therapy vs Sequential Therapy in Treatment of H Pylori Infection

NCT01723059
View directory record Official record
Conditions
Helicobacter Infection
Interventions
Standard Triple Therapy, Sequential Therapy
Drug
Lead sponsor
Dallas VA Medical Center
Federal
Eligibility
18 Years to 85 Years
Enrollment
184 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Nov 7, 2012 · Synced Oct 6, 2026, 10:55 AM EDT
Terminated Phase 4 Interventional Results available

Continuous Infusion Piperacillin-tazobactam for the Treatment of Cystic Fibrosis

NCT01694069
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Piperacillin-tazobactam combination product
Drug
Lead sponsor
West Virginia University
Other
Eligibility
8 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Feb 1, 2022 · Synced Oct 6, 2026, 10:55 AM EDT
Completed Phase 1 Interventional

Oral Amoxicillin and Cephalexin PK/PD in Neonates

NCT04916951
View directory record Official record
Conditions
Neonatal Infection
Interventions
Amoxicillin, Cephalexin
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
1 Day to 60 Days
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced Oct 6, 2026, 10:55 AM EDT
Not yet recruiting Phase 3 Interventional

NICU Antibiotics and Outcomes (NANO) Follow-up Study

NCT05977400
View directory record Official record
Conditions
Premature Birth, Antibiotics, Neurodevelopment
Interventions
Ampicillin, Gentamicin, Placebo
Drug
Lead sponsor
Sharp HealthCare
Other
Eligibility
23 Weeks to 30 Weeks
Enrollment
802 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
14
States / cities
San Diego, California • New Haven, Connecticut • Tampa, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated Aug 4, 2023 · Synced Oct 6, 2026, 10:55 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Evaluation of Skin Testing Reagents for Penicillin Allergy

NCT01818336
View directory record Official record
Conditions
History of IgE Dependent Reaction to a Penicillin Product
Interventions
Penicillin skin test kit
Drug
Lead sponsor
AllerQuest LLC
Industry
Eligibility
18 Years and older
Enrollment
481 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
13
States / cities
Homewood, Alabama • Tucson, Arizona • Walnut Creek, California + 10 more
Source: ClinicalTrials.gov public record
Updated Jan 4, 2017 · Synced Oct 6, 2026, 10:55 AM EDT
Completed Phase 3 Interventional Results available

Sulopenem Followed by Sulopenem-etzadroxil/Probenecid vs Ertapenem Followed by Cipro for Complicated UTI in Adults

NCT03357614
View directory record Official record
Conditions
Complicated Urinary Tract Infections
Interventions
Sulopenem, Sulopenem-Etzadroxil/Probenecid, Ertapenem, Ciprofloxacin, Amoxicillin-clavulanate
Drug
Lead sponsor
Iterum Therapeutics, International Limited
Industry
Eligibility
18 Years and older
Enrollment
1,395 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
15
States / cities
Bellflower, California • Chula Vista, California • La Mesa, California + 11 more
Source: ClinicalTrials.gov public record
Updated Dec 29, 2020 · Synced Oct 6, 2026, 10:55 AM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

CAT BITE Antibiotic Prophylaxis for the Hand/Forearm (CATBITE)

NCT05846399
View directory record Official record
Conditions
Cat Bite, Hand Injuries, Arm Injury, Infection, Bacterial, Anti-bacterial Agents
Interventions
Amoxicillin/clavulanate, Ciprofloxacin, Clindamycin, Placebo (microcrystalline cellulose), Wound management
Drug · Other · Procedure
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Oct 15, 2025 · Synced Oct 6, 2026, 10:55 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Azithromycin/Bicillin Syphilis

NCT00031499
View directory record Official record
Conditions
Syphilis
Interventions
Azithromycin, Benzathine Penicillin, Doxycycline
Drug
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 55 Years
Enrollment
593 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2009
U.S. locations
7
States / cities
Birmingham, Alabama • Indianapolis, Indiana • New Orleans, Louisiana + 3 more
Source: ClinicalTrials.gov public record
Updated Apr 29, 2013 · Synced Oct 6, 2026, 10:55 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Pediatric Taste Test Study of Cefdinir (Omnicef) Versus Amoxicillin Antibiotic Suspension Medications

NCT00644891
View directory record Official record
Conditions
Healthy
Interventions
cefdinir (Omnicef), amoxicillin
Drug
Lead sponsor
Abbott
Industry
Eligibility
4 Years to 8 Years
Enrollment
158 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2003
U.S. locations
3
States / cities
Scottsdale, Arizona • St. Petersburg, Florida • Miamiville, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 27, 2008 · Synced Oct 6, 2026, 10:55 AM EDT
Terminated Phase 2 Interventional Results available

eXtended Antibiotic Prophylaxis for Intermediate- and High-risk Glands After Pancreatoduodenectomy to Reduce CR-POPF

NCT05753735
View directory record Official record
Conditions
Pancreatic Fistula
Interventions
Piperacillin/Tazobactam, Amoxicillin/ Clavulanic acid
Drug
Lead sponsor
Case Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 24, 2024 · Synced Oct 6, 2026, 10:55 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Antibiotic Resistance and Microbiome in Children Aged 6-59 Months in Nouna, Burkina Faso

NCT03187834
View directory record Official record
Conditions
Child Development
Interventions
Azithromycin, Amoxicillin, Cotrimoxazole, Placebo
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
6 Months to 59 Months
Enrollment
252 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 2, 2023 · Synced Oct 6, 2026, 10:55 AM EDT
Terminated Phase 4 Interventional

Systemic Steroids Plus Antibiotics in Sleep Apnea Syndrome in Children

NCT00456339
View directory record Official record
Conditions
Obstructive Sleep Apnea Syndrome
Interventions
Prednisolone and amoxicillin/clavulanate
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Months to 12 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 5, 2013 · Synced Oct 6, 2026, 10:55 AM EDT
Completed Not applicable Interventional

Acupuncture and Herbal Treatment of Chronic HIV Sinusitis

NCT00002149
View directory record Official record
Conditions
HIV Infections, Sinusitis
Interventions
Clavulanate potassium, Pseudoephedrine hydrochloride, Amoxicillin trihydrate
Drug
Lead sponsor
Immune Enhancement Project
Other
Eligibility
18 Years to 60 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 24, 2005 · Synced Oct 6, 2026, 10:55 AM EDT
Completed Phase 4 Interventional Results available

High Dose Dual Therapy vs Clarithromycin Triple Therapy for Treatment Naive H Pylori Infection in an Urban Population

NCT05342532
View directory record Official record
Conditions
Helicobacter Pylori Infection
Interventions
Amoxicillin, Omeprazole, Clarithromycin
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Feb 1, 2023 · Synced Oct 6, 2026, 10:55 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Antibiotic Safety (SCAMP)

NCT01994993
View directory record Official record
Conditions
Complicated Intra Abdominal Infections
Interventions
ampicillin and metronidazole and gentamicin, ampicillin and gentamicin and clindamycin, gentamicin and Piperacillin- tazobactam, standard of care antibiotics and metronidazole, metronidazole, clindamycin, or piperacillin-tazobactam
Drug
Lead sponsor
Michael Cohen-Wolkowiez
Other
Eligibility
Up to 120 Days
Enrollment
260 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
45
States / cities
Birmingham, Alabama • Little Rock, Arkansas • Loma Linda, California + 35 more
Source: ClinicalTrials.gov public record
Updated May 30, 2019 · Synced Oct 6, 2026, 10:55 AM EDT
Completed Phase 4 Interventional

Comparison Study Between Cefdinir & Amoxicilline/Clavulanate in Acute Sinusitis and Assessment of Quality of Life

NCT00147914
View directory record Official record
Conditions
Acute Bacterial Sinusitis
Interventions
Cefdinir (drug), amoxicillin/clavulanate
Drug
Lead sponsor
University of Chicago
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2017
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated May 2, 2017 · Synced Oct 6, 2026, 10:55 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Mechanisms of Probiotics and Antibiotic-Associated Diarrhea

NCT04414722
View directory record Official record
Conditions
Antibiotic-associated Diarrhea
Interventions
Amoxicillin-Clavulanate 875 Mg-125 Mg Oral Tablet, BB-12, Control Yogurt
Drug · Biological · Other
Lead sponsor
Georgetown University
Other
Eligibility
18 Years to 65 Years
Enrollment
118 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Feb 25, 2025 · Synced Oct 6, 2026, 10:55 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Mechanisms of Preventing Antibiotic-Associated Diarrhea and the Role for Probiotics

NCT03755765
View directory record Official record
Conditions
Antibiotic-associated Diarrhea
Interventions
Amoxicillin-Clavulanate 875 Mg-125 Mg Oral Tablet, BB-12, Control
Drug · Biological · Other
Lead sponsor
Georgetown University
Other
Eligibility
18 Years to 65 Years
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Feb 17, 2023 · Synced Oct 6, 2026, 10:55 AM EDT
Completed Phase 2 Interventional Results available

PHASE II SINGLE-CENTER, RANDOMIZED, OPEN-LABEL, PROSPECTIVE, STUDY TO DETERMINE THE IMPACT OF SERIAL PROCALCITONIN

NCT04983901
View directory record Official record
Conditions
Hematopoietic and Lymphoid Cell Neoplasm, Malignant Solid Neoplasm
Interventions
Imipenem/Cilastatin/Relebactam, Cefepime, Meropenem, Piperacillin-Tazobactam, Vancomycin, Daptomycin, Linezolid
Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 6, 2026 · Synced Oct 6, 2026, 10:55 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Comparison of Medical and Surgical Treatment of Uncomplicated Acute Appendicitis in Children

NCT02991937
View directory record Official record
Conditions
Appendicitis
Interventions
Piperacillin/Tazobactam, Surgical Treatment
Drug · Procedure
Lead sponsor
NYU Langone Health
Other
Eligibility
6 Years to 17 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2020
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jan 21, 2022 · Synced Oct 6, 2026, 10:55 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Assessment and Management of Chronic Dyspepsia in Eastern Uganda

NCT04525664
View directory record Official record
Conditions
Helicobacter Pylori Infection, Dyspepsia
Interventions
Clarithromycin 500mg, Amoxicillin 1000 MG, Omeprazole 40 MG, Omeprazole 20 MG Oral Tablet
Drug
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
376 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Aug 25, 2020 · Synced Oct 6, 2026, 10:55 AM EDT
Completed Phase 3 Interventional

Comparative Study of the Safety and Efficacy of Clarithromycin Extended-Release Tablets Versus Amoxicillin-Clavulanate for the Treatment of Acute Bacterial Sinusitis

NCT00644553
View directory record Official record
Conditions
Acute Bacterial Sinusitis (ABS)
Interventions
Clarithromycin, Amoxicillin
Drug
Lead sponsor
Abbott
Industry
Eligibility
12 Years and older
Enrollment
437 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2003
U.S. locations
12
States / cities
Birmingham, Alabama • Phoenix, Arizona • Clovis, California + 9 more
Source: ClinicalTrials.gov public record
Updated Mar 27, 2008 · Synced Oct 6, 2026, 10:55 AM EDT
Completed Phase 1 Interventional Results available

Pharmacokinetics and Safety of Piperacillin-tazobactam in Neonates

NCT00873327
View directory record Official record
Conditions
Sepsis
Interventions
piperacillin-tazobactam
Drug
Lead sponsor
Phillip Brian Smith
Other
Eligibility
Up to 60 Days
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
4
States / cities
Indianapolis, Indiana • Wichita, Kansas • Kansas City, Missouri + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 3, 2018 · Synced Oct 6, 2026, 10:55 AM EDT
Completed Phase 2 Interventional Results available

A Study Of Intravenous Sulopenem And Oral PF-03709270 In Community Acquired Pneumonia That Requires Hospitalization

NCT00797108
View directory record Official record
Conditions
Pneumonia, Bacterial
Interventions
Sulopenem and PF-03709270, Ceftriaxone and amoxicillin/clavulanate
Drug
Lead sponsor
Pfizer
Industry
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
12
States / cities
Chula Vista, California • Oceanside, California • Moline, Illinois + 4 more
Source: ClinicalTrials.gov public record
Updated Mar 10, 2016 · Synced Oct 6, 2026, 10:55 AM EDT