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Proper Duration of Suppressive Antibiotic Therapy After Debridement, Antibiotics, and Implant Retention

Recruiting
18 years of age
Both
Phase N/A

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Overview

Multiple studies have demonstrated oral suppressive antibiotic therapy (SAT), after intravenous antibiotics, maximizes reoperation-free survival of total joint arthroplasty (TJA) debridement, antibiotics, and implant retention (DAIR) for acute periprosthetic joint infection (PJI). However, little is known regarding sequelae of SAT after DAIR for PJI. Prior studies have small or heterogeneous patient cohorts, variable antibiotic regimens, arrive at disparate conclusions, and do not establish antibiotic resistance risk.

The investigators propose a prospective randomized controlled multicenter study to expand on findings in a retrospective, multi-center pilot study. Study aims are to evaluate SAT after DAIR of acutely infected primary TJA regarding: 1) adverse drug reactions/intolerance; 2) reoperation for infection; and 3) antibiotic resistance.

Eligibility

Inclusion Criteria:

  • over 18 years-old
  • underwent DAIR with modular component exchange for acute TJA PJI, as defined by Musculoskeletal Infection Society Criteria, with symptom duration less than 4 weeks
  • on postoperative oral SAT for at least 3 months

Exclusion Criteria:

  • underwent aseptic revision surgery
  • had one-stage, 1.5-stage, or two-stage revision surgery
  • did not have postoperative SAT
  • did not have follow-up that allowed for evaluation of SAT sequelae

Study details

Periprosthetic Joint Infection, Antibiotic Suppression

NCT05495815

University of Maryland, Baltimore

12 April 2024

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