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Acute Application of Antibiotic Powder in Open Fracture Wounds

Acute Application Of Intrawound Antibiotic Powder In Open Extremity Fracture Wounds

Status
Completed
Phases
Phase 4
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04872400
Acronym
APOW
Enrollment
20
Registered
2021-05-04
Start date
2021-06-14
Completion date
2023-09-30
Last updated
2026-03-06

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Anti-Bacterial Agents, Extremity Fracture Lower, Extremity Fractures Upper, Fractures, Bone, Fractures, Open, Wounds and Injuries--Infections

Keywords

Open fractures, Antibiotic powder, Vancomycin, Tobramycin, Infection, Gustilo, 16S

Brief summary

The purpose of this study is to help determine the best treatment for severe injures like open fracture wounds. Some broken bone injuries can be more likely to get an infection. It is mostly due to the way they were injured. Surgical site infection in the orthopedic surgery population is a big public health issue. Wound infections result in both longer length of hospital stay and total cost of care. This study will be using an antibiotic called Vancomycin or Tobramycin in a powder form.

Detailed description

The investigators aim to investigate the effectiveness of preoperative intrawound antibiotic powder in preventing infection and reducing bacterial burden after open fracture. The investigators hypothesize that the participants who receive preoperative intrawound antibiotic powder will have fewer superficial and deep surgical site infections compared to participants who do not receive the antibiotic powder. The investigators also anticipate that the application of the antibiotic powder to open fracture wounds preoperatively will decrease the bacterial burden. Sample swabs will be analyzed using the 16S metagenomics sequencing on the Illumina platform. Both RNA and DNA extracts will be utilized to identify and quantify the bacterial load in the wound bed at the time immediately prior to surgical debridement.

Interventions

DRUGVancomycin

1 vial of Vancomycin 1g powder applied topically to the open fracture wound injury.

DRUGTobramycin

1 vial of Tobramycin 1.2g powder applied topically to the open fracture wound injury.

Sponsors

University of Colorado, Denver
Lead SponsorOTHER
Denver Health and Hospital Authority
CollaboratorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
PREVENTION
Masking
SINGLE (Subject)

Masking description

This will be a single-blind study as only the participants will be blinded to the treatment.

Intervention model description

The management of open fractures involves an expedited administration of systemic antibiotics and while effective in reducing the rate of infection, complications from infections are still common following open fractures. This trial aims to evaluate the incidence of surgical site infections using topical vancomycin antibiotic powder or topical tobramycin antibiotic powder in combination with standard of care treatment and to evaluate the effectiveness of both topical antibiotic powders in reducing surgical site infection.

Eligibility

Sex/Gender
ALL
Age
18 Years to 80 Years
Healthy volunteers
No

Inclusion criteria

* Subject or proxy willing and able to provide written informed consent. * Age between 18 years and 80 years (inclusive), with an upper or lower extremity Gustilo Type II, IIIA, or IIIB open fractures requiring debridement and internal fixation. * Open extremity fractures * Time from injury to study intervention 24 hours or less

Exclusion criteria

* Individuals under the age of 18 years or over 80 years * Type I or IIIC open fractures * Over 24 hours from time of injury * Subjects who have received acute operative care of the open fracture at an outside facility prior to presenting at the Emergency Department. * Open fractures distal to the wrist and midfoot * History of chronic infection in the extremity involved. * Subjects who are currently pregnant * Subjects who are Prisoners * Subjects with a known allergy to vancomycin or tobramycin * Subjects with a condition or social circumstances that would reduce adherence and follow-up. * Subjects Participating in other clinical research involving investigational antimicrobial products within 30 days of randomization.

Design outcomes

Primary

MeasureTime frameDescription
Incidence of Surgical Site Infection During the Post-operative Follow-up PeriodWithin 6 months of injury dateThe percentage of participants who develop an infection at the surgical site following debridement and fixation at the follow up period.

Secondary

MeasureTime frameDescription
Presence of Fracture NonunionWithin 1 year of injury dateUnderstand the changes that occur in nonunion after antibiotic powder treatment .

Countries

United States

Contacts

PRINCIPAL_INVESTIGATORNicholas Alfonso, MD

University of Colorado, Denver

Baseline characteristics

Characteristic
Age, Continuous46.14 Years
STANDARD_DEVIATION 11.27
Ethnicity (NIH/OMB)
Hispanic or Latino
3 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
4 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
Race (NIH/OMB)
Asian
0 Participants
Race (NIH/OMB)
Black or African American
0 Participants
Race (NIH/OMB)
More than one race
0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
Race (NIH/OMB)
Unknown or Not Reported
4 Participants
Race (NIH/OMB)
White
13 Participants
Sex: Female, Male
Female
1 Participants
Sex: Female, Male
Male
6 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
deaths
Total, all-cause mortality
0 / 70 / 40 / 7
other
Total, other adverse events
0 / 70 / 40 / 7
serious
Total, serious adverse events
0 / 70 / 40 / 7

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Mar 7, 2026