- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT05148026
Regional Citrate Anticoagulation for RRT During V-V ECMO (CRRT ECMO)
Regional Citrate Anticoagulation for Continuous Renal Replacement Therapy During Veno-venous ECMO: a Crossover Randomized Controlled Study
Anticoagulation is an essential component of all extracorporeal therapies. Currently locoregional citrate anticoagulation is the recommended technique for continuous renal replacement therapy (CRRT).
However, low clearance of citrate restricts its use to blood flow up to 150 mL/min, preventing its use in ECMO.
Renal replacement therapy (RRT) is commonly provided to ECMO patients with AKI. In presence of systemic heparinization for ECMO, additional anticoagulation for the CRRT circuit (i.e. RCA) is usually not employed.
Nevertheless, thrombosis occurs more frequently in the CRRT circuit than the oxygenator because of the slower blood flow.
The aim of this prospective, cross-over study is to assess, in patients undergoing CRRT during veno-venous ECMO (vv-ECMO), the efficacy and safety of adding regional citrate anticoagulation (RCA) for CRRT circuit anticoagulation.
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Marco Giani
- Phone Number: +390392333666
- Email: marco.giani@unimib.it
Study Locations
-
-
-
Monza, Italy, 20900
- Recruiting
- ASST MONZA-Rianimazione Generale
-
Contact:
- Marco Giani
- Phone Number: +39 0392333666
- Email: marco.giani@unimib.it
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Patients admitted in ICU
- V-V ECMO support for acute respiratory failure
- CRRT therapy for acute kidney injury
Exclusion Criteria:
- Pregnancy
- Pre-existing coagulation disorders
- Contraindication to heparin or citrate anticoagulation
- Moribund patients
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Crossover Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: Anticoagulation sequence 1 (UFH+ RCA)
UFH+ RCA first
|
Patients are randomized to receive this sequence of anticoagulation regimens: UFH / UFH+RCA / UFH / UFH+RCA / UFH / UFH+RCA
Other Names:
|
Active Comparator: Anticoagulation sequence 2 (UFH)
UFH first
|
Patients are randomized to receive this sequence of anticoagulation regimens: UFH+RCA / UFH / UFH+RCA / UFH / UFH+RCA / UFH
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Incidence of CRRT circuit clotting according to anticoagulation regimen
Time Frame: According to the manufacturer recommendation elective RRT circuit replacement will be performed after 72 hours of circuit life.
|
Rate of clotting in the intervention group (RCA+UFH) vs controls (UFH).
I.e.
: did the circuit clot in its 72h life?
|
According to the manufacturer recommendation elective RRT circuit replacement will be performed after 72 hours of circuit life.
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
CRRT circuit "survival" analysis
Time Frame: According to the manufacturer recommendation elective RRT circuit replacement will be performed after 72 hours of circuit life.
|
"Circuit life" of RRT circuits in the intervention group (RCA+UFH) vs controls (UFH), comparison between groups will be performed as time to event(clotting) by log-rank test and described by the kaplan meier approach.
Circuit replacement for other reasons (e.g.
transfer to radiology to undergo a CT scan) will be right censored
|
According to the manufacturer recommendation elective RRT circuit replacement will be performed after 72 hours of circuit life.
|
Comparison of platelets count, D-dimers, fibrinogen
Time Frame: 72 hours for each circuit
|
Comparison of lab values of blood sampled during intervention (RCA+UFH) vs control (UFH).
Values will be compared as absolute value and as a difference compared to each circuit baseline
|
72 hours for each circuit
|
Incidence of citrate anticoagulation side-effects
Time Frame: 72 hours for each circuit
|
Total to ionized calcium ratio (marker of citrate accumulation), rate of hypersodiemia and alkalosis will be compared between intervention (RCA+UFH) and control (UFH)
|
72 hours for each circuit
|
To evaluate the anticoagulation effects of UFH and RCA
Time Frame: 72 hours for each circuit
|
TEG analysis of blood samples with UFH vs UFH+RCA effect will be compared.
Specifically, TEG R-time will be compared in blood sampled from circuit anti-coagulated with RCA+UFH vs UFH only
|
72 hours for each circuit
|
Collaborators and Investigators
Sponsor
Publications and helpful links
General Publications
- Zarbock A, Kullmar M, Kindgen-Milles D, Wempe C, Gerss J, Brandenburger T, Dimski T, Tyczynski B, Jahn M, Mulling N, Mehrlander M, Rosenberger P, Marx G, Simon TP, Jaschinski U, Deetjen P, Putensen C, Schewe JC, Kluge S, Jarczak D, Slowinski T, Bodenstein M, Meybohm P, Wirtz S, Moerer O, Kortgen A, Simon P, Bagshaw SM, Kellum JA, Meersch M; RICH Investigators and the Sepnet Trial Group. Effect of Regional Citrate Anticoagulation vs Systemic Heparin Anticoagulation During Continuous Kidney Replacement Therapy on Dialysis Filter Life Span and Mortality Among Critically Ill Patients With Acute Kidney Injury: A Randomized Clinical Trial. JAMA. 2020 Oct 27;324(16):1629-1639. doi: 10.1001/jama.2020.18618.
- Giani M, Scaravilli V, Stefanini F, Valsecchi G, Rona R, Grasselli G, Bellani G, Pesenti AM, Foti G. Continuous Renal Replacement Therapy in Venovenous Extracorporeal Membrane Oxygenation: A Retrospective Study on Regional Citrate Anticoagulation. ASAIO J. 2020 Mar;66(3):332-338. doi: 10.1097/MAT.0000000000001003.
- Shum HP, Kwan AM, Chan KC, Yan WW. The use of regional citrate anticoagulation continuous venovenous hemofiltration in extracorporeal membrane oxygenation. ASAIO J. 2014 Jul-Aug;60(4):413-8. doi: 10.1097/MAT.0000000000000085.
- Schilder L, Nurmohamed SA, Bosch FH, Purmer IM, den Boer SS, Kleppe CG, Vervloet MG, Beishuizen A, Girbes AR, Ter Wee PM, Groeneveld AB; CASH study group. Citrate anticoagulation versus systemic heparinisation in continuous venovenous hemofiltration in critically ill patients with acute kidney injury: a multi-center randomized clinical trial. Crit Care. 2014 Aug 16;18(4):472. doi: 10.1186/s13054-014-0472-6.
- Stucker F, Ponte B, Tataw J, Martin PY, Wozniak H, Pugin J, Saudan P. Efficacy and safety of citrate-based anticoagulation compared to heparin in patients with acute kidney injury requiring continuous renal replacement therapy: a randomized controlled trial. Crit Care. 2015 Mar 18;19(1):91. doi: 10.1186/s13054-015-0822-z.
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 (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Respiratory Tract Diseases
- Respiration Disorders
- Lung Diseases
- Kidney Diseases
- Urologic Diseases
- Renal Insufficiency
- Acute Kidney Injury
- Respiratory Distress Syndrome
- Molecular Mechanisms of Pharmacological Action
- Fibrinolytic Agents
- Fibrin Modulating Agents
- Anticoagulants
- Pharmaceutical Solutions
- Heparin
- Calcium heparin
- Dialysis Solutions
Other Study ID Numbers
- 3732
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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