Evaluation of a New Strategy for Protocolized Antibiotic Care for Severe Open Fractures: SEXTANT 2

Conditions

• Post Operative Surgical Site Infection

Eligibility Criteria

Sex

ALL

Age

18 Years - 64 Years

Healthy Volunteers

Not accepted

Interventions

• Standard of care — DRUG
  Participants in the control group will receive standard care treatment for their injury, to include all institution specific standard treatment (prophylactic and otherwise) for preventing and treating infection. Topical antibiotics are allowed, if SOC for the institution, but are not mandated.
• Vancomycin and Tobramycin — DRUG
  The patients in the SEXTANT cohort will receive 72 hours of targeted systemic antibiotic therapy (Table 2) and will have 1000 mg of Vancomycin and 1200 mg of Tobramycin administered to the wound surface, fracture site, and exposed hardware (if any) just prior to suture closure of the wound or flap. 72-hour of systemic gram-positive and gram-negative antibiotic coverage to target the terminal wound bioburden. The antibiotics coverage proposed as the primary choice includes PO Ciprofloxacin + PO linezolid or IV Ciprofloxacin and IV Vancomycin. The preferred antibiotic regimen will be decided by study's ID team, in cooperation with the ID and Antibiotic Stewardship teams at each site. Antibiotic recommendations will be adjusted, if needed, to account for a Site's bacteria susceptibility / resistance profile, or the specific needs of an individual patient.

Study Details

The PRCT evaluates infection outcomes as well as fracture and antibiotic-related complications to include the emergence of resistant bacteria associated with two different antibiotic strategies in the treatment of Gustilo type IIIB tibia and hindfoot fractures (calcaneus and talus) and selected IIIA fractures of the tibia and trauma-related transtibial amputations that are performed in the "zone-of-injury". This study will be conducted in established METRC level 1 trauma centers. The patients will be randomized as close to admission as possible to either 1) Standard of Care (SOC) prophylactic open fracture protocol, including the use of topical antibiotic as per the usual practice of the surgeon or 2) experimental protocol (SEXTANT). The SEXTANT protocol includes application of wound bioburden-targeted topical Vancomycin powder and Tobramycin powder antibiotic treatment at the time of final wound closure/coverage combined with 72 hours of systemic antibiotic coverage targeted to both gram-positive and gram-negative pathogens. The study will compare the results of the current SOC prophylactic coverage to the strategic wound bioburden treatment (SEXTANT) protocol. Up until the time of definitive wound closure/coverage, all patients will be treated per the usual regimen of the surgeon / center and in accordance with current Trauma Quality Improvement Program (TQIP) and Surgical Quality Improvement Program (SQIP) recommendations for the care of open fractures.14,15,17 It includes the administration of systemic antibiotics as close to the time of injury as possible. In the definitive wound closure/coverage procedure post-operative period, participants in the intervention arm will receive 72 hours of systemic antibiotic therapy targeted at the modern wound bioburden, and patients in the usual care arm will receive post-operative care per the usual practice of their surgeon. All other activities related to follow-up and related treatments will proceed per the usual practice of the surgeon.

Key Dates

First listed

Dec 21, 2020

Start date

May 7, 2021

Status verified

Jun 2026

Primary completion

Sep 30, 2028

Completion

Mar 31, 2029

Study Design

Enrollment

600 participants (estimated)

Allocation

RANDOMIZED

Intervention model

PARALLEL

Primary purpose

TREATMENT

Arms

• Active Comparator: Control
  Participants in the control group will receive standard care treatment for their injury, to include all institution specific standard treatment (prophylactic and otherwise) for preventing and treating infection. Topical antibiotics are allowed, if SOC for the institution, but are not mandated.
• Experimental: Treatment
  The patients in the SEXTANT cohort will receive 72 hours of targeted systemic antibiotic therapy (Table 2) and will have 1000 mg of Vancomycin and 1200 mg of Tobramycin administered to the wound surface, fracture site, and exposed hardware (if any) just prior to suture closure of the wound or flap.

Primary Outcome Measure

Deep surgical site infection [ Time Frame: 180 days from final wound closure/cloverage ]

Central Contacts

• Suna Chung, MPH
  4105023357
  [email protected]
• Susan C Collins, MSc
  410-502-8966
  [email protected]

Locations (31)

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