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ClinicalTrials.gov public records Last synced Oct 20, 2026, 11:45 PM EDT

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Showing 1–24 of 173 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Ampicillin Clear all
Completed Phase 1 Interventional

Phase 1 Study of the Pharmacokinetics of Amoxicillin in Pregnancy

NCT05309928
View directory record Official record
Conditions
Pregnancy Related
Interventions
Amoxicillin
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
16 Years to 50 Years · Female only
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Dec 17, 2025 · Synced Oct 20, 2026, 11:45 PM EDT
Recruiting Phase 4 Interventional

Extended Azithromycin Treatment in Prelabor Rupture of Membranes

NCT07669207
View directory record Official record
Conditions
Preterm Prelabor Rupture of Membranes, PPROM
Interventions
Azithromycin (Azithro), Standard Azithromycin Dosing
Drug
Lead sponsor
Alexa Henderson
Other
Eligibility
Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 4, 2026 · Synced Oct 20, 2026, 11:45 PM EDT
Completed Phase 3 Interventional

A Single, High-Dose Azithromycin Extended Release (60 mg/kg) Compared With 10 Days of High-Dose Amoxicillin Clavulanate in Children With Ear Infections at High Risk of Persistent/Recurrent Ear Infections

NCT00643292
View directory record Official record
Conditions
Acute Otitis Media
Interventions
amoxicillin/clavulanate postassium (Augmentin ES-600), azithromycin SR
Drug
Lead sponsor
Pfizer
Industry
Eligibility
3 Months to 48 Months
Enrollment
902 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2004
U.S. locations
23
States / cities
Jonesboro, Arkansas • Little Rock, Arkansas • Bellflower, California + 18 more
Source: ClinicalTrials.gov public record
Updated May 17, 2011 · Synced Oct 20, 2026, 11:45 PM EDT
Completed Phase 3 Interventional

Prevention of Infection in Patients With Hematologic Cancer and Persistent Fever Caused by a Low White Blood Cell Count

NCT00003805
View directory record Official record
Conditions
Bone Marrow Suppression, Fever, Sweats, and Hot Flashes, Infection, Leukemia, Lymphoma, Multiple Myeloma and Plasma Cell Neoplasm, Myelodysplastic Syndromes, Unspecified Adult Solid Tumor, Protocol Specific, Unspecified Childhood Solid Tumor, Protocol Specific
Interventions
piperacillin sodium, piperacillin-tazobactam, tazobactam sodium, vancomycin
Drug
Lead sponsor
European Organisation for Research and Treatment of Cancer - EORTC
Network
Eligibility
2 Years and older
Enrollment
859 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1997
U.S. locations
2
States / cities
Baltimore, Maryland • Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 24, 2012 · Synced Oct 20, 2026, 11:45 PM EDT
Recruiting Phase 4 Interventional

Nasal Steroids, Irrigation, Oral Antibiotics, and Subgroup Targeting for Effective Management of Acute Sinusitis

NCT06076304
View directory record Official record
Conditions
Sinus Infection, Acute Sinusitis
Interventions
amoxicillin/clavulanate potassium, Placebo, Budesonide nasal spray
Drug
Lead sponsor
Daniel Merenstein
Other
Eligibility
18 Years to 75 Years
Enrollment
3,720 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
7
States / cities
Los Angeles, California • Washington D.C., District of Columbia • Hyattsville, Maryland + 4 more
Source: ClinicalTrials.gov public record
Updated Mar 3, 2026 · Synced Oct 20, 2026, 11:45 PM EDT
Completed Phase 3 Interventional

Control of Periodontal Infections

NCT01098448
View directory record Official record
Conditions
Periodontitis
Interventions
scaling and root planing, local tetracycline, systemic metronidazole and amoxicillin, surgery, local antibiotics and systemic metronidazole and amoxicillin, local tetracycline and periodontal surgery, periodontal surgery and systemic metronidazole and amoxicillin, surgery, local tetracycline, systemic metronidazole and amoxicillin
Other · Drug
Lead sponsor
The Forsyth Institute
Other
Eligibility
20 Years and older
Enrollment
187 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2004
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 2, 2010 · Synced Oct 20, 2026, 11:45 PM EDT
Terminated Phase 2 Interventional Results available

Comparative Study of Ceftazidime-Avibactam Versus Standard of Care as Therapy in Febrile Neutropenic Adults With Cancer

NCT02732327
View directory record Official record
Conditions
Neoplasms, Febrile Neutropenia
Interventions
CAZ-AVI, Vancomycin, Linezolid, Cefepime, Meropenem, Piperacillin/tazobactam
Drug
Lead sponsor
Forest Laboratories
Industry
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 21, 2017 · Synced Oct 20, 2026, 11:45 PM EDT
Active, not recruiting Early Phase 1 Interventional

Collaborative Urological Prosthetics Investigation Directive Research Group

NCT05100654
View directory record Official record
Conditions
Erectile Dysfunction, Penile Prosthesis Infection
Interventions
Doxycycline, Ciprofloxacin, Augmentin, Bactrim
Drug
Lead sponsor
University of Chicago
Other
Eligibility
35 Years to 90 Years · Male only
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Feb 2, 2026 · Synced Oct 20, 2026, 11:45 PM 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 20, 2026, 11:45 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

A Comparative, Single-Center, Pediatric Taste Test Study of Omnicef Versus Amoxicillin Antibiotic Suspension Medications

NCT00645125
View directory record Official record
Conditions
Healthy
Interventions
cefdinir (Omnicef), amoxicillin
Drug
Lead sponsor
Abbott
Industry
Eligibility
4 Years to 8 Years
Enrollment
154 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2003
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Mar 27, 2008 · Synced Oct 20, 2026, 11:45 PM 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 20, 2026, 11:45 PM EDT
Terminated Phase 3 Interventional Results available

Treatment of ppROM With Erythromycin vs. Azithromycin Trial

NCT03060473
View directory record Official record
Conditions
Preterm Premature Rupture of Membranes (PPROM)
Interventions
Azithromycin, Erythromycin, Ampicillin, Amoxicillin
Drug
Lead sponsor
The University of Texas Medical Branch, Galveston
Other
Eligibility
18 Years and older · Female only
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
3
States / cities
Austin, Texas • Galveston, Texas • Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jun 25, 2024 · Synced Oct 20, 2026, 11:45 PM EDT
Terminated Phase 4 Interventional Results available

Treatment of Acute Sinusitis With High-Dose vs. Standard-Dose Amoxicillin/Clavulanate

NCT03431337
View directory record Official record
Conditions
Sinusitis, Acute
Interventions
Amoxicillin 875 mg, Placebo (lactase)
Drug · Dietary Supplement
Lead sponsor
Paul Sorum, MD
Other
Eligibility
18 Years and older
Enrollment
157 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Cohoes, New York
Source: ClinicalTrials.gov public record
Updated Aug 12, 2021 · Synced Oct 20, 2026, 11:45 PM EDT
Terminated Phase 2 Interventional Results available

Efficacy of Short-Course Antimicrobial Treatment for Children With Acute Otitis Media and Impact on Resistance

NCT01511107
View directory record Official record
Conditions
Acute Otitis Media
Interventions
Amoxicillin-Clavulanate, 10 days, Amoxicillin-Clavulanate, 5 days
Drug
Lead sponsor
Alejandro Hoberman
Other
Eligibility
6 Months to 23 Months
Enrollment
520 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
2
States / cities
Bardstown, Kentucky • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 6, 2017 · Synced Oct 20, 2026, 11:45 PM EDT
Completed Phase 1 Interventional

Pharmacokinetic Profiles Of Amoxicillin 2000 mg And Clavulanate 125 mg In Adolescent Patients

NCT00354965
View directory record Official record
Conditions
Infections, Respiratory Tract
Interventions
amoxicillin/clavulanate potassium
Drug
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
Up to 16 Years
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
6
States / cities
Little Rock, Arkansas • Huntington Beach, California • North Dartmouth, Massachusetts + 3 more
Source: ClinicalTrials.gov public record
Updated Aug 1, 2017 · Synced Oct 20, 2026, 11:45 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Shaping the Indications for Periodontal Adjunctive Antibiotics in Dental Practice

NCT06131021
View directory record Official record
Conditions
Periodontitis, Periodontal Diseases, Periodontal Pocket
Interventions
Amoxicillin, Metronidazole, Placebo
Drug · Other
Lead sponsor
Rutgers, The State University of New Jersey
Other
Eligibility
35 Years and older
Enrollment
236 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Oct 20, 2026, 11:45 PM EDT
Completed Phase 2 Interventional Results available

A Study to Assess the Safety, Tolerability and Efficacy of OP0201 as an Adjunct Treatment for Acute Otitis Media in Infants and Children Aged 6 to 24 Months

NCT03818815
View directory record Official record
Conditions
Acute Otitis Media
Interventions
OP0201, Placebo, Amoxicillin-clavulanate
Combination Product · Drug
Lead sponsor
Novus Therapeutics, Inc
Industry
Eligibility
6 Months to 24 Months
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 18, 2020 · Synced Oct 20, 2026, 11:45 PM EDT
Completed No phase listed Observational

Prospective Randomized Evaluation of Antibiotic Regimen Following Appendectomy for Perforated Appendicitis

NCT00195923
View directory record Official record
Conditions
Perforated Appendicitis
Interventions
Ampicillin, gentamicin, clindamycin, flagyl, ceftazidime
Drug
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
1 Month to 18 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 6, 2007 · Synced Oct 20, 2026, 11:45 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

A Randomized Trial of Preoperative Prophylactic Antibiotics Prior to Kidney Stone Surgery (Percutaneous Nephrolithotomy [PCNL])

NCT02384200
View directory record Official record
Conditions
Nephrolithiasis, Urinary Tract Infections
Interventions
nitrofurantoin monohydrate/macrocrystalline capsules, ampicillin, gentamicin, vancomycin, ceftriaxone
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
86 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2019
U.S. locations
7
States / cities
Phoenix, Arizona • San Diego, California • San Francisco, California + 4 more
Source: ClinicalTrials.gov public record
Updated Aug 22, 2019 · Synced Oct 20, 2026, 11:45 PM EDT
Completed Phase 4 Interventional Results available

Acute Otitis Media (AOM) Therapy Trial in Young Children

NCT00377260
View directory record Official record
Conditions
Acute Otitis Media
Interventions
amoxicillin-clavulanate, Placebo
Drug
Lead sponsor
University of Pittsburgh
Other
Eligibility
6 Months to 23 Months
Enrollment
291 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 5, 2016 · Synced Oct 20, 2026, 11:45 PM EDT
Withdrawn Phase 2 Interventional

Fecal Transplant +/- Gut Decontamination in Preventing Acute Graft Versus Host Disease in Patients Given Broad-Spectrum Antibiotics

NCT03862079
View directory record Official record
Conditions
Graft-versus-host Disease Prevention
Interventions
Best Practice, Fecal Microbiota Transplantation, Nystatin, Piperacillin-Tazobactam
Other · Procedure · Drug
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
16 Years to 75 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Mar 4, 2020 · Synced Oct 20, 2026, 11:45 PM EDT
Completed Phase 3 Interventional Results available

Reduced Clavulanate Formulation of Amoxicillin-Clavulanate in Children 6-23 Months With Acute Otitis Media

NCT02630992
View directory record Official record
Conditions
Acute Otitis Media
Interventions
Amoxicillin-Clavulanate potassium
Drug
Lead sponsor
Nader Shaikh
Other
Eligibility
6 Months to 23 Months
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 3, 2018 · Synced Oct 20, 2026, 11:45 PM EDT
Terminated Phase 4 Interventional Results available

Comparing Oral Versus Parenteral Antimicrobial Therapy

NCT05977868
View directory record Official record
Conditions
Endovascular Infection, Bone and Joint Infection, Skin and Soft Tissue Infection, Pulmonary Infection, Gastrointestinal Infection, Genitourinary Infection
Interventions
Amoxicillin, amoxicillin-clavulanate, cefadroxil, cefpodoxime, cefalexin, ciprofloxacin, delafloxacin, doxycycline, levofloxacin, linezolid, Ampicillin, ampicillin-sulbactam, cefazolin, cefepime, ceftaroline, ceftazidime, ceftazidime-avibactam, dalbavancin, daptomycin, ertapenem
Drug
Lead sponsor
West Virginia University
Other
Eligibility
18 Years and older
Enrollment
94 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Morgantown, West Virginia
Source: ClinicalTrials.gov public record
Updated Aug 26, 2025 · Synced Oct 20, 2026, 11:45 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Clinical Trial of the Treatment of Acute Sinusitis With Standard-dose Versus High-dose Amoxicillin/Clavulanate

NCT02340000
View directory record Official record
Conditions
Sinusitis
Interventions
standard dose amoxicillin/clavulanate, high dose amoxicillin/clavulanate
Drug
Lead sponsor
Albany Medical College
Other
Eligibility
18 Years and older
Enrollment
315 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
Latham, New York
Source: ClinicalTrials.gov public record
Updated Aug 24, 2017 · Synced Oct 20, 2026, 11:45 PM EDT