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Clinical Trial Details — Status: Active, not recruiting

Administrative data

NCT number NCT06402591
Other study ID # NL70114.091.19
Secondary ID
Status Active, not recruiting
Phase Phase 3
First received
Last updated
Start date January 1, 2019
Est. completion date December 1, 2024

Study information

Verified date May 2024
Source Radboud University Medical Center
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

The goal of this randomized control trial is to investigate the superiority of 5 days (extended) versus a single dose of cefazolin prophylaxis in revision arthroplasty of the hip and knee. The main question[s] it aims to answer are: - Is an extended regimen compared to a single dose of cefazolin associated with an increased infection-free implant survival within one year after index revision arthroplasty of the hip or knee? - What are the incidence, risk factors, treatment outcome and prognosis of surgical site infections and periprosthetic joint infection during follow-up? - What is the safety and tolerance of the antimicrobial prophylaxis regimens used? - What are the antimicrobial susceptibility patterns of micro-organisms causing PJI during follow-up? - What is the patient' physical performance and satisfaction of subjects within 1 year after the index revision arthroplasty, using patient related outcome measurements (PROMS)? [question 2] Participants will [describe the main tasks participants will be asked to do, treatments they'll be given and use bullets if it is more than 2 items]. If there is a comparison group: Researchers will compare [insert groups] to see if [insert effects].


Description:

Periprosthetic joint infection (PJI) is an important complication of total joint arthroplasty of the hip and knee and occurs in 1-2% after primary arthroplasty and in 10-15% after revision arthroplasty. To prevent a PJI, peri-operative antibiotic prophylaxis is given. There's inadequate evidence for a recommendation about the optimal duration of prophylaxis, especially in revision arthroplasty. The aim of this multicenter open-label, randomized controlled trial is to investigate the superiority of 5 days (extended) versus a single dose of cefazolin prophylaxis in revision arthroplasty of the hip and knee. Patients will be recruited at the orthopedic departments of two Dutch hospitals, University Medical Center Radboudumc Nijmegen (Radboudumc) and Sint Maartenskliniek in Nijmegen (SMK). Patients will be included if they will undergo revision arthroplasty of the hip or knee, with exclusion of patients with a proven PJI at baseline. A total of 780 subjects will be randomized between 2 prophylactic strategies: A) Cefazolin at a single dose of 2 grams intravenously 15-60 minutes before incision; B) Cefazolin at a dose of 2 grams intravenously 15-60 minutes before incision, followed by cefazolin 1 gram intravenously t.i.d. until five days post-surgery. The primary endpoint is the difference in proportion of infectious-free implant survival between both groups within 1 year of follow-up.


Recruitment information / eligibility

Status Active, not recruiting
Enrollment 751
Est. completion date December 1, 2024
Est. primary completion date December 1, 2023
Accepts healthy volunteers No
Gender All
Age group 18 Years to 120 Years
Eligibility Inclusion Criteria: 1. Aged 18 years or older. 2. Planned revision arthroplasty of the hip or knee prosthesis (index revision arthroplasty), with revision of one or more fixed components. Exclusion Criteria: 1. If the index revision arthroplasty has been cancelled. 2. Revision of single mobile parts only. 3. PJI on baseline, based on 'definite infection' score according to the Philadelphia consensus definition 2018 4. PJI on baseline, based on a positive culture of a single synovial fluid or tissue sample yielding a high virulence micro-organism (S. aureus, Enterobacterales, Pseudomonas spp, Acinetobacter spp, Candida spp). 5. Contraindication to cefazolin: a. Previous allergic reaction according to the criteria in Appendix A. b. Severe kidney disease defined as eGFR <10 ml/min. f. Antimicrobial treatment within 3 days prior to index revision arthroplasty. g. Subjects who are currently enrolled in investigational immunosuppressive drug trials. h. Subjects who are unable to provide informed consent.

Study Design


Intervention

Drug:
Cefazolin
cefazolin extended prophylaxis 5 days (15 doses)

Locations

Country Name City State
Netherlands Radboudumc Nijmegen Gelderland

Sponsors (2)

Lead Sponsor Collaborator
Radboud University Medical Center Sint Maartenskliniek

Country where clinical trial is conducted

Netherlands, 

Outcome

Type Measure Description Time frame Safety issue
Primary Success rate of revision arthroplasty Implant retention during follow-up,
No 'definite infection' score for PJI according to the Philadelphia consensus definition 2018 during follow-up
No PJI based on positive culture of a single synovial fluid or tissue sample yielding a high virulence micro-organism (S. aureus, Enterobacteriaceae, Pseudomonas spp, Acinetobacter spp, Candida spp) during follow-up.
No more than 4 consecutive weeks of systemic antimicrobial therapy for any reason during follow-up.
1 year after revision arthroplasty
Secondary incidence surgical site infections a. The proportion of SSI according to PREZIES (PREventie van ZIEkenhuisinfecties door Surveillance) criteria in both study groups during follow-up. 1 year after revision arthroplasty
Secondary incidence periprosthetic joint infection The proportion of PJI according to Philadelphia consensus definition 2018 in both study groups during follow-up. 1 year after revision arthroplasty
Secondary resistance rate of causative of SSI/PJI to cefazolin The cefazolin susceptibility of the micro-organisms causing SSI and PJI in the study groups. 1 year after revision arthroplasty
Secondary The number of repeated surgeries. The number of repeated surgeries. 1 year after revision arthroplasty
Secondary Reason repeated surgery The reason for repeated surgery on the affected prosthetic joint during follow-up. 1 year after revision arthroplasty
Secondary adverse drug events Adverse drug events and serious adverse events. 1 year after revision arthroplasty
Secondary Risk factors associated with SSI and PJI: BMI, age, age of implant before revision, Risk factors associated with SSI and PJI: BMI, age, age of implant before revision, number of previous revisions before index 1 year after revision arthroplasty
Secondary Implant survival at the end of the study. Implant survival at the end of the study. during inclusion of the study
Secondary Patient related outcome measurements PROMs at weeks 12 and 52 1 year after revision arthroplasty
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