NCT03308617

Brief Summary

Peri-implant infections are severe complications after internal fracture fixation surgery. Detection of causative agents of orthopedic implant-associated infections (OIAI) is demanding. Several authors reported increased identification rates of bacterial prevalence using different sonication procedures compared to standard tissue cultures samples, especially for low grade infections. On the author hand, contamination of implants without clinical signs of infection is reported in up to 30% during implant removals after uneventful fracture healing. The raised general questions are: 1.) Is a positive microbiological finding the result of contamination during the index surgery or during implant removal? 2.) Does contaminated implants without clinical or serological signs of infection have a pathological value?

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
90

participants targeted

Target at P50-P75 for all trials

Timeline
Completed

Started Apr 2017

Typical duration for all trials

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

April 1, 2017

Completed
6 months until next milestone

First Submitted

Initial submission to the registry

October 9, 2017

Completed
3 days until next milestone

First Posted

Study publicly available on registry

October 12, 2017

Completed
2.1 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 1, 2019

Completed
6 months until next milestone

Study Completion

Last participant's last visit for all outcomes

June 1, 2020

Completed
Last Updated

October 12, 2017

Status Verified

October 1, 2017

Enrollment Period

2.7 years

First QC Date

October 9, 2017

Last Update Submit

October 11, 2017

Conditions

Keywords

sonication

Outcome Measures

Primary Outcomes (1)

  • Detection rate of syndesmotic screw contamination using a sonication procedure compared to standard wound swabs

    six weeks

Secondary Outcomes (1)

  • Clinical manifestation of infections by contaminated fracture fixation implants

    six months

Eligibility Criteria

Age18 Years+
Sexall
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodProbability Sample
Study Population

Patients with operatively treated ankle fractures.

You may qualify if:

  • Patients with syndesmotic screw removal after open reduction and internal fixation with plates and additional syndesmotic screw of ankle fractures (Weber B or C) in our department.

You may not qualify if:

  • Patients with immunosuppressive diseases or therapies,
  • Pregnant women
  • Patients with pre-operations on the same ankle-joint
  • Patients with initial surgery for fracture fixation in other hospitals.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Department of Trauma-, Hand- and Reconstructive Surgery

Jena, Thuringia, 07740, Germany

RECRUITING

Biospecimen

Retention: SAMPLES WITHOUT DNA

skin and wound swabs

Study Officials

  • Florian Gras, PD Dr. med.

    Department of Trauma-, Hand- and Reconstructive Surgery

    PRINCIPAL INVESTIGATOR

Central Study Contacts

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

October 9, 2017

First Posted

October 12, 2017

Study Start

April 1, 2017

Primary Completion

December 1, 2019

Study Completion

June 1, 2020

Last Updated

October 12, 2017

Record last verified: 2017-10

Data Sharing

IPD Sharing
Will not share

Locations