Using Tobramycin Injection to Prevent Infections in Open Fractures

Does Prophylactic Local Tobramycin Injection Lower Open Fracture Infection Rates?

Phase 3 Interventional Massachusetts General Hospital · NCT04964947

This study tests whether using Tobramycin injections directly at the site of open fractures can help prevent infections and improve healing for patients.

Quick facts

PhasePhase 3
Study typeInterventional
Enrollment600 (estimated)
Ages18 Years to 80 Years
SexAll
SponsorMassachusetts General Hospital Academic / other
Locations3 sites (Lexington, Kentucky and 2 other locations)
Trial IDNCT04964947 on ClinicalTrials.gov

What this trial studies

This clinical trial investigates the use of Tobramycin injection as a local antibiotic treatment to prevent infections in patients with open extremity fractures. The approach focuses on delivering high concentrations of the antibiotic directly to the wound site, addressing the limitations of systemic antibiotics that may not adequately penetrate poorly vascularized areas. The study aims to evaluate the effectiveness of this local administration in reducing infection rates and promoting better healing outcomes. Participants will be monitored for infection rates and overall recovery following the intervention.

Who should consider this trial

Good fit: Ideal candidates for this study are adults over the age of 18 with an open fracture to the arm or leg.

Not a fit: Patients under 18, those with allergies to tobramycin or aminoglycosides, and pregnant individuals may not benefit from this study.

Why it matters

Potential benefit: If successful, this treatment could significantly reduce infection rates in patients with open fractures, leading to improved healing and recovery.

How similar studies have performed: Previous studies have shown promise in using local antibiotics for infection prevention in surgical settings, suggesting potential success for this approach.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Open fracture to arm, leg, or both
* Over the age of 18

Exclusion Criteria:

* Under the age of 18
* Allergy to tobramycin or any other antibiotic in the aminoglycoside family
* Previously treated with a resorbable antibiotic carrier
* Pregnancy

Where this trial is running

Lexington, Kentucky and 2 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Wound InfectionFractures, OpenSurgical Site InfectionLocal antibioticNon-unionAminoglycosideTobramycinOpen extremity fracture
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.