- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05285709
Evaluation of Novel Biomarkers in Early Recognition of Acute Kidney Injury After Orthopedic Operations.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Extensive orthopedic surgical procedures may have many postoperative complications. One of those, sometimes overlooked, is acute kidney injury. Classically defined by KDIGO criteria as an increase in creatinine concentration, may go by unnoticed due to a late peak in serum concentration of this marker. There is still need for "nephrological troponin" which could easily and with a low margin of doubt identify acute kidney injury.
The investigators have planned a double-center study, in cooperation with the 'Department of Anesthesiology and Intensive Therapy with the Postoperative Subdivision' of the 'Samodzielny Publiczny Szpital Kliniczny im. prof. Adama Grucy CMKP' in Otwock, concentrating on measuring concentration of biomarkers known to indicate acute kidney injury in different situations: Proenkephalin (PENK), Dickkopf-3 (DKK3), circular RNA (circRNA), Liver-type Fatty Acid-binding Protein (L-FABP), Netrin-1, semaphorin 3a, Tissue Inhibitor of Matrix Metalloproteinase-2 (TIMP-2), Insulin-like Growth Factor-binding Protein 7 (IGFBP-7), Retinol-binding Protein-4 (RBP-4) aiming to find a marker, or group of markers that would allow recognition of renal injury at an early stage to help minimize the effect.
Patients aged at least 18 years, with a hip fracture undergoing, either hip alloplasty, or internal fixation, after providing informed consent, will be included. Patients with end stage renal disease will be excluded. Blood and urine samples will be collected at 5 points of time: 1 - after admission to the operating ward, 2 - following surgery, before leaving the operating ward, 3 - on the 1st postoperative day, 4 - on the 2nd postoperative day, 5 - on the 5th postoperative day, or the day the patient leaves hospital, whichever is first. Additionally patients who will be able to cooperate will have a renal resistive index measured using ultrasonography.
Blood collected from patients, not longer than 8 hours after collection will be tested for PENK concentration (Spingotec GmbH, Berlin, Germany), then plasma obtained from this sample after centrifuging will be frozen together with centrifugated samples of urine in -80 degrees Celsius till analysis.
Additionally, if the concentration of PENK is elevated, the same sample will be tested after 8, 12 and 24 hours of staying at room temperature, to define stability of the test from blood sampling till measurement.
30 days after surgery, an attempt to contact the patient or his/her family is going to be made, to check if the patient has developed need for renal replacement therapy or has required hospitalisation due to kidney dysfunction together with a 30 day mortality evaluation.
Study Type
Enrollment (Anticipated)
Contacts and Locations
Study Contact
- Name: Przemysław Bolewski
- Phone Number: 0048225021721
- Email: klinanest1@wum.edu.pl
Study Locations
-
-
Mazowieckie
-
Otwock, Mazowieckie, Poland, 05-400
- Recruiting
- Gruca Orthopaedic and Trauma Teaching Hospital
-
Contact:
- Marek Janiak
-
Warsaw, Mazowieckie, Poland, 02-005
- Recruiting
- I Department of Anesthesiology and Intensive Care Warsaw Medical University
-
Contact:
- Marek Janiak, MD
- Phone Number: 0048225021724
- Email: klinanest1@wum.edu.pl
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- age at least 18 years
- be able to provide informed consent
Exclusion Criteria:
- end stage renal disease
Study Plan
How is the study designed?
Design Details
- Observational Models: Cohort
- Time Perspectives: Prospective
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Any stage of acute kidney injury as defined by Kidney Diseases Improving Global Outcome
Time Frame: 120 hours
|
Concentration of novel biomarkers, its change and change of renal resistive index considering different stages of acute kidney injury
|
120 hours
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Kidney perfusion evaluated by Renal Resistive Index (RRI)
Time Frame: 48 hours
|
Correlation between RRI and concentration of biomarkers
|
48 hours
|
Analysis of proenkephalin concentration
Time Frame: 24 hours
|
Change of proenkephalin concentration in the blood sample left at room temperature
|
24 hours
|
Kidney dysfunction and mortality
Time Frame: 30 days
|
Evaluation of 30-day need for renal replacement therapy, hospitalization due to kidney failure and/or mortality
|
30 days
|
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
- BIAKOR
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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