- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03275610
Genetic Markers of Patients With History of Pulmonary Embolism Post Total Joint Arthroplasty
November 17, 2023 updated by: Jay R. Lieberman, MD, University of Southern California
Risk Stratification Using Genetic Markers of Patients With a History of Pulmonary Embolism Post Total Hip or Total Knee Arthroplasty
This study seeks to uncover potential genetic determinants of pulmonary embolism (PE).
Our translational goal is to ultimately identify certain genetic markers that will allow us to stratify patients in terms of their PE risk post total knee or total hip arthroplasty.
The clinical implications for this study would allow for better patient care by lowering the risk of post-operative bleeding while still preventing symptomatic PEs and deep vein thromboses (DVTs).
We look to sample patients who have a history of PE after undergoing total knee or total hip arthroplasty.
We will sample these patients' blood DNA for a set of DNA genetic markers.
To do so, we will utilize the Taqman assay, which is a PCR-based 5'-nuclease allelic discrimination assay to determine single nucleotide polymorphism (SNP) genotypes at specified loci.
The region flanking the SNP is amplified using two allele-specific fluorescent probes, allowing for the detection of each allele in a single tube.
Using this assay, there is no post-PCR processing because the probes are included in the PCR reaction (Hui).
Using this approach, we will measure the frequency of genetic mutations in patients who have developed a PE after a total joint arthroplasty.
This data would then be used to perform a prospective study to determine a subset of genetic markers that can definitively be used to risk stratify patients.
Study Overview
Status
Enrolling by invitation
Conditions
Intervention / Treatment
Study Type
Observational
Enrollment (Estimated)
100
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
-
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California
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Los Angeles, California, United States, 90033
- University of Southern California
-
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Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
18 years to 70 years (Adult, Older Adult)
Accepts Healthy Volunteers
No
Sampling Method
Probability Sample
Study Population
Established patients with a history of Pulmonary Embolism Post Total Hip Arthroplasty or Post Knee Arthroplasty
Description
Inclusion Criteria:
- patients with a history of Pulmonary Embolism and Total Hip Arthroplasty or Total Knee Arthroplasty, between the ages of 18 and 70 years
Exclusion Criteria:
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Identification of Genetic Mutations
Time Frame: 6 weeks Post Total Hip Arthroplasty or Post Total Knee Arthroplasty
|
identify the frequency of genetic mutations in patients who have developed a PE after a total joint or total hip arthroplasty
|
6 weeks Post Total Hip Arthroplasty or Post Total Knee Arthroplasty
|
Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Investigators
- Principal Investigator: Jay R Lieberman, MD, University of Southern California
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
April 24, 2017
Primary Completion (Estimated)
April 23, 2026
Study Completion (Estimated)
April 23, 2026
Study Registration Dates
First Submitted
September 5, 2017
First Submitted That Met QC Criteria
September 5, 2017
First Posted (Actual)
September 7, 2017
Study Record Updates
Last Update Posted (Actual)
November 18, 2023
Last Update Submitted That Met QC Criteria
November 17, 2023
Last Verified
November 1, 2023
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- ORTHO-01
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
NO
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
No
Studies a U.S. FDA-regulated device product
No
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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