~846 spots leftby Jun 2026

Oral Antibiotics for Prosthetic Joint Infections

Recruiting in Palo Alto (17 mi)
+3 other locations
NB
Overseen byNicholas Bedard, MD
Age: 18+
Sex: Any
Travel: May Be Covered
Time Reimbursement: Varies
Trial Phase: Phase 4
Waitlist Available
Sponsor: University of Iowa
No Placebo Group
Prior Safety Data

Trial Summary

What is the purpose of this trial?

To determine the effectiveness of a 7-day course of an oral, prophylactic antibiotic on the incidence of periprosthetic joint infection and wound complications following primary total hip and knee arthroplasty in a high-risk patient population.

Research Team

NB

Nicholas Bedard, MD

Principal Investigator

Mayo Clinic

Eligibility Criteria

This trial is for adults needing a first-time hip or knee replacement who are at high risk of infection due to obesity, diabetes, smoking, kidney disease, autoimmune conditions, or nasal colonization with Staphylococcus bacteria. It's not for those allergic to the study antibiotics, unable to take oral meds, pregnant women, or patients planning other joint replacements soon.

Inclusion Criteria

I am scheduled for a first-time hip or knee replacement surgery.
I am at high risk for joint infections due to one or more health issues.

Exclusion Criteria

I am having or have had a hip or knee replacement redone.
I am allergic to certain antibiotics listed in the treatment plan.
Pregnant.
See 7 more

Treatment Details

Interventions

  • Cephalexin Oral Tablet (Anti-bacterial)
  • Doxycycline Hyclate (Anti-bacterial)
Trial OverviewThe trial tests if taking an antibiotic (Cephalexin, Doxycycline or Cefadroxil) for 7 days can prevent infections and wound issues after hip or knee replacement surgery in high-risk patients. Participants will receive one of these antibiotics as a preventative measure.
Participant Groups
2Treatment groups
Active Control
Group I: Additional Antibiotic GroupActive Control3 Interventions
Patients will receive an oral antibiotic to be started after completion of standard perioperative antibiotics following primary hip or knee arthroplasty. Oral antibiotic will either be a first-generation cephalosporin (Cefadroxil or Cephalexin) or Doxycycline based upon patient allergies, kidney function and result of nasal colonization testing for MRSA.
Group II: Control Group - No Additional AntibioticActive Control1 Intervention
Patients will receive standard perioperative antibiotics following primary hip or knee arthroplasty and no additional antibiotics.

Find a Clinic Near You

Who Is Running the Clinical Trial?

University of Iowa

Lead Sponsor

Trials
486
Recruited
934,000+

Dr. Afable

University of Iowa

Chief Medical Officer since 2005

MD from Loyola Stritch School of Medicine, MPH from the University of Illinois

Joel Harris profile image

Joel Harris

University of Iowa

Chief Executive Officer since 2023

B.A. in Economics from the University of Iowa, Post-baccalaureate Certificate in Narrative Communications from Northwestern University

Mayo Clinic

Lead Sponsor

Trials
3,427
Recruited
3,221,000+

Dr. Gianrico Farrugia

Mayo Clinic

Chief Executive Officer since 2019

MD from University of Malta Medical School

Dr. Richard Afable profile image

Dr. Richard Afable

Mayo Clinic

Chief Medical Officer

MD from Loyola Stritch School of Medicine