- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04056780
Integrated Microfluidic Systems for Diagnosis of Periprosthetic Joint Infection
Diagnosis of Periprosthetic Joint Infection With Synovial Fluid Biomarkers Through Integrated Microfluidic Systems
Diagnosing periprosthetic joint infection (PJI) remains a major clinical challenge. The diagnosis of PJI is based on a composition of clinical judgment, serologic test from peripheral blood, synovial fluid cytology and biomarkers, radiography, microbiology, histopathologic evaluation of periprosthetic tissue, and intraoperative findings. The importance of PJI diagnosis give the subsequent treatment options, like the removal of prosthesis, debridement and prosthesis retention and the time of reimplantation.
Currently, The Second International Consensus Meeting (ICM) has announced its criteria for the diagnosis of PJI. The preoperative diagnosis includes serologic tests (C-reactive protein, D-dimer, and erythrocyte sedimentation rate) and synovial fluid biomarkers (white blood cell and differential, leukocyte esterase and ⍺-defensin). The intraoperative diagnosis includes a single positive culture, positive histology, and positive intraoperative purulence. However, some of the markers used in the 2018 ICM criteria, such as ⍺-defensin, leukocyte esterase, and synovial fluid C-reactive protein, are not available in every hospital and cannot be immediately available to clinicians in decision making.
The microfluidic technologies have made a notable impact on the evolution of diagnostic tools by providing a rapid and cost-effective platform for the application of immunoassay techniques. The microfluidic system integrates the complex processing steps of the laboratory protocols into a single chip through logical integration and optimization of processes. Chang Gung Memorial Hospital and National Tsing Hua University have conducted preliminary research to confirm the feasibility of their microfluidic systems.
Therefore, the project will develop a "microfluidic biomarker detection chip" to detect the concentrations three important biomarkers for PJI, including ⍺-defensin, leukocyte esterase and C-reactive protein in synovial fluids. This will be a three-year project. In the 1st year, 50 patients who will be scheduled to undergo unilateral revision total joint arthroplasty (RTJA) will be collected with the synovial fluid and tested on a laboratory platform. In the 2nd year, based on laboratory results, 50 patients undergoing RTJAs will be recruited to develop a microfluidic chip system, and their on-chip performance will be fine-tuned and optimized. In the 3rd year, 50 patients undergoing RTJA will be collected, and the verification of the microfluidic system will be realized. This system will be validated in PJIs cohorts in the first stage of debridement and implant removal, in the interim period, and the second stage of reimplantation. It is expected that biomarker detection chip will improve medical distress and bring important information to clinical decision-making.
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Anticipated)
Contacts and Locations
Study Locations
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Kaohsiung, Taiwan, 833
- Kaohsiung Chang Gung Memorial Hospital
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- Revision total knee arthroplasty
- Revision total hip arthroplasty
- Sufficiently annotated clinical and laboratory data for classification by the 2018 ICM criteria for PJI
- Sufficient synovial fluid for study methods.
Exclusion Criteria:
- Inadequate synovial fluid for analysis
- Adverse local tissue reaction (ALTR)
- Crystalline deposition arthropathy
- Inflammatory arthropathy flare
Study Plan
How is the study designed?
Design Details
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
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Septic group
The septic group will be considered as patients that fulfill the 2018 ICM definition of PJI.
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Sample collection and collection of laboratory values
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Aseptic group
The aseptic group will be considered as patients that don't fulfill the 2018 ICM definition of PJI.
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Sample collection and collection of laboratory values
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
The value of synovial fluid human ⍺-defensin 1-3 (HNP1-3)
Time Frame: Post-operative period after collect per 40 cases (usually within 180-365 days following surgery)
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To test synovial fluid ⍺-defensin
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Post-operative period after collect per 40 cases (usually within 180-365 days following surgery)
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The value of leukocyte esterase (LE)
Time Frame: Immediate post-operative period (usually within 1-2 days following surgery)
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To test synovial fluid LE
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Immediate post-operative period (usually within 1-2 days following surgery)
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The value of synovial C-reactive protein (CRP)
Time Frame: Immediate post-operative period (usually within 1-2 days following surgery)
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To test synovial fluid CRP
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Immediate post-operative period (usually within 1-2 days following surgery)
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Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 201802127B0
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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