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Showing 1–24 of 57 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: cephalexin Clear all
Not listed Phase 3 Interventional Accepts healthy volunteers

Or v IV Antibiotics for Infection

NCT04723940
View directory record Official record
Conditions
Joint Infection
Interventions
Bactrim, Cefadroxil, Doxycycline Hcl, Clindamycin
Drug
Lead sponsor
Rothman Institute Orthopaedics
Other
Eligibility
18 Years and older
Enrollment
308 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 25, 2021 · Synced Sep 6, 2026, 3:51 AM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Effects of Treatments on Atopic Dermatitis

NCT01631617
View directory record Official record
Conditions
Eczema, Dermatitis, Skin Diseases, Genetic, Dermatitis, Atopic, Skin Diseases
Interventions
Trimethoprim/sulfamethoxazole (TMP/SMZ), Cephalexin, Doxycycline, Sodium hypochlorite, Placebo capsules, Placebo Sodium hypochlorite
Drug · Other
Lead sponsor
National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS)
NIH
Eligibility
2 Years to 50 Years
Enrollment
130 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2027
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Sep 6, 2026, 3:51 AM 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 25, 2025 · Synced Sep 6, 2026, 3:51 AM EDT
Recruiting Phase 2 Interventional

Optimizing the Diagnostic Approach to Cephalosporin Allergy Testing

NCT06406114
View directory record Official record
Conditions
Drug Allergy, Cephalosporin Allergy, Drug Hypersensitivity, Antibiotic Allergy, Beta Lactam Adverse Reaction, Drug-Induced Anaphylaxis, Cephalosporin Reaction
Interventions
Beta-lactam antibiotic (cefazolin, cefuroxime, cefotaxime, ceftazidime, ceftriaxone, cefepime, pre-pen, penicillin G, ampicillin, and histamine) double-blind skin testing, Culprit cephalosporin (cefazolin, ceftazidime, ceftriaxone, cefepime, cephalexin, cefaclor, cefadroxil, cefuroxime, cefpodoxime, cefdinir, or cefixime) double-blind placebo-controlled drug challenge, Similar cephalosporin (cefepime, ceftriaxone, cefaclor, cephalexin, cefixime, or cefdinir) antibiotic double-blind placebo-controlled drug challenge, Dissimilar cephalosporin (ceftriaxone or cefazolin) antibiotic double-blind placebo-controlled drug challenge, Amoxicillin double-blind placebo-controlled drug challenge
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 70 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
6
States / cities
Scottsdale, Arizona • San Francisco, California • Boston, Massachusetts + 3 more
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Sep 6, 2026, 3:51 AM EDT
Completed Phase 3 Interventional Results available

A Study of Safety and Efficacy of MK-1986 (Tedizolid Phosphate) and Comparator in Participants From Birth to Less Than 12 Years of Age With Acute Bacterial Skin and Skin Structure Infections (MK-1986-018)

NCT03176134
View directory record Official record
Conditions
Acute Bacterial Skin and Skin Structure Infections
Interventions
Tedizolid phosphate, Comparator
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
1 Day to 11 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
8
States / cities
San Diego, California • Chicago, Illinois • Detroit, Michigan + 5 more
Source: ClinicalTrials.gov public record
Updated Jul 30, 2025 · Synced Sep 6, 2026, 3:51 AM EDT
Completed Phase 4 Interventional Results available

Management of Sub-Clinical Bacteriuria in Pregnancy

NCT03275623
View directory record Official record
Conditions
Cystitis, Cystitis;Puerperium, Pyelonephritis
Interventions
Antibiotic, Standard Prenatal Care
Drug · Other
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 2, 2020 · Synced Sep 6, 2026, 3:51 AM EDT
Recruiting Phase 4 Interventional

Extended Oral Antibiotic Prophylaxis in Diabetic Fracture Patients

NCT07561541
View directory record Official record
Conditions
Fracture Lower Leg, Diabetes, Fracture Fixation, Internal
Interventions
Cefadroxil 500 mg Capsules, Clindamycin, Bactrim DS
Drug
Lead sponsor
Texas Tech University Health Sciences Center, El Paso
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
3
States / cities
Los Angeles, California • El Paso, Texas
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced Sep 6, 2026, 3:51 AM EDT
Completed Phase 2 Interventional

Pediatric Fingertip Injuries:Are Antibiotics Required?

NCT00300092
View directory record Official record
Conditions
Finger Injuries
Interventions
Cepahlexin (drug)
Drug
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
Up to 18 Years
Enrollment
146 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2004
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 19, 2015 · Synced Sep 6, 2026, 3:51 AM EDT
Withdrawn Phase 4 Interventional

Role of Prophylactic Postoperative Antibiotics in HoLEP

NCT05274672
View directory record Official record
Conditions
Benign Prostatic Hyperplasia, Urinary Tract Infections
Interventions
Nitrofurantoin, Cephalexin, Sulfamethoxazole Trimethoprim Combination, Ciprofloxacin, Holmium Laser Enucleation of prostate
Drug · Procedure
Lead sponsor
Baylor Research Institute
Other
Eligibility
40 Years and older · Male only
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
2
States / cities
Philadelphia, Pennsylvania • Temple, Texas
Source: ClinicalTrials.gov public record
Updated Feb 11, 2026 · Synced Sep 6, 2026, 3:51 AM EDT
Completed Not applicable Interventional

Placebo Controlled Study of Antibiotic Treatment of Soft Tissue Infection

NCT00187759
View directory record Official record
Conditions
Soft Tissue Infections
Interventions
cephalexin
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2005
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 6, 2015 · Synced Sep 6, 2026, 3:51 AM EDT
Recruiting Not applicable Interventional

Nailbed Repair for Patients With Nailbed Injuries

NCT07388823
View directory record Official record
Conditions
Nail Bed Injury, Nail Laceration, Nail Plate Disruption
Interventions
Nail Bed Repair, Nail bed dressing
Other
Lead sponsor
Stanford University
Other
Eligibility
2 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Palo Alto, California
Source: ClinicalTrials.gov public record
Updated Jul 19, 2026 · Synced Sep 6, 2026, 3:51 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effective Antibiotic Treatment of MRSA

NCT00388310
View directory record Official record
Conditions
Skin Diseases, Infectious
Interventions
Culture
Procedure
Lead sponsor
Christiana Care Health Services
Other
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Newark, Delaware
Source: ClinicalTrials.gov public record
Updated Nov 8, 2012 · Synced Sep 6, 2026, 3:51 AM EDT
Terminated Early Phase 1 Interventional

Patients Response to Early Switch To Oral:Osteomyelitis Study

NCT02099240
View directory record Official record
Conditions
Osteomyelitis
Interventions
oral antibiotics, intravenous antibiotics
Drug · Procedure
Lead sponsor
Julio Ramirez
Other
Eligibility
18 Years to 100 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Apr 5, 2021 · Synced Sep 6, 2026, 3:51 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Strategies Using Off-Patent Antibiotics for Methicillin Resistant S. Aureus "STOP MRSA"

NCT00729937
View directory record Official record
Conditions
Staphylococcal Infection
Interventions
Cephalexin, Clindamycin, Placebo, Trimethoprim-sulfamethoxazole
Drug · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
2,265 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
5
States / cities
Phoenix, Arizona • Sylmar, California • Baltimore, Maryland + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 17, 2015 · Synced Sep 6, 2026, 3:51 AM 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 16, 2022 · Synced Sep 6, 2026, 3:51 AM EDT
Recruiting Phase 2 Interventional

Microbiome and Association With Implant Infections

NCT05020574
View directory record Official record
Conditions
Breast Cancer, Breast Cancer Female, Genetic Predisposition to Disease
Interventions
Cephalexin
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older · Female only
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Mar 17, 2026 · Synced Sep 6, 2026, 3:51 AM EDT
Completed Phase 4 Interventional

The Role of Antibiotics in Full Thickness Skin Graft Survival for Facial Reconstructive Surgery

NCT01912651
View directory record Official record
Conditions
Facial Defect
Interventions
cephalexin
Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
236 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2025
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 1, 2026 · Synced Sep 6, 2026, 3:51 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Comparison of Cephalexin Versus Clindamycin for Suspected CA-MRSA Skin Infections

NCT00352612
View directory record Official record
Conditions
Staphylococcal Infection, Abscess, Staphylococcal Skin Infection, Folliculitis
Interventions
clindamycin, cephalexin
Drug
Lead sponsor
Aaron Chen
Other
Eligibility
6 Months to 18 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 12, 2013 · Synced Sep 6, 2026, 3:51 AM EDT
Terminated Not applicable Interventional Results available

Prophylactic Use of Antibiotics for Through and Through Lacerations of the Lip

NCT00957827
View directory record Official record
Conditions
Through-and-through Lip Lacerations
Interventions
keflex, placebo
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Months and older
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 15, 2019 · Synced Sep 6, 2026, 3:51 AM EDT
Recruiting Phase 4 Interventional

Prophylactic Antibiotics for Outpatient Urethral Bulking

NCT07501065
View directory record Official record
Conditions
Urinary Tract Infections, Stress Urinary Incontinence, Urinary Incontinence
Interventions
Bactrim (800/160 mg), Keflex (500 mg), Cipro (250 mg), or Macrobid (100mg)
Drug
Lead sponsor
University of Miami
Other
Eligibility
18 Years and older · Female only
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
2
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Sep 6, 2026, 3:51 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Cefadroxil 500 mg Capsules in Normal Healthy Non-Smoking Male and Female Subjects.

NCT00835081
View directory record Official record
Conditions
Healthy
Interventions
Cefadroxil 500 mg Capsules, DURICEF® capsules 500 mg
Drug
Lead sponsor
Teva Pharmaceuticals USA
Industry
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Aug 18, 2024 · Synced Sep 6, 2026, 3:51 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Postoperative Antibiotic Requirements Following Immediate Breast Reconstruction

NCT01244698
View directory record Official record
Conditions
Bacterial Infection, Anti-infective Agents, Breast Implantation
Interventions
Cefadroxil discontinued early, Cefadroxil until drain removal
Drug
Lead sponsor
Stony Brook University
Other
Eligibility
18 Years and older · Female only
Enrollment
132 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Stony Brook, New York
Source: ClinicalTrials.gov public record
Updated May 12, 2014 · Synced Sep 6, 2026, 3:51 AM EDT
Recruiting Not applicable Interventional

Gram-Negative Bloodstream Infection Oral Antibiotic Therapy Trial

NCT06080698
View directory record Official record
Conditions
Gram-negative Bacteremia
Interventions
Intravenous Antibiotics, Oral Antibiotics
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
1,030 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
11
States / cities
San Francisco, California • Denver, Colorado • Baltimore, Maryland + 7 more
Source: ClinicalTrials.gov public record
Updated Mar 10, 2026 · Synced Sep 6, 2026, 3:51 AM EDT
Completed Not applicable Interventional

Eponychial Stent Study

NCT04409093
View directory record Official record
Conditions
Eponychial Stent, Nail Bed Injury
Interventions
Nail bed repair with eponychial sent, Nail bed repair without eponychial stent
Procedure
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years and older
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
3
States / cities
New York, New York • Richmond Hill, New York
Source: ClinicalTrials.gov public record
Updated Nov 28, 2023 · Synced Sep 6, 2026, 3:51 AM EDT