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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT03685383
Other study ID # CYTER_SC_2018
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date September 25, 2019
Est. completion date December 8, 2020

Study information

Verified date March 2021
Source University Hospital Freiburg
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Almost all patients with refractory cardiac arrest, who are primarily stabilized under ongoing cardiopulmonary resuscitation by transcutaneous implantation of a venoarterial extracorporeal membrane oxygenation system (va-ECMO for eCPR) develop post-cardiac arrest syndrome (PCAS). PCAS is characterised by cytokine storm resulting in vasodilation and membrane leakage, which is poorly controlled and often fatal. Case reports and data from the investigators' single-center registry indicate that cytokine adsorption with the CytoSorb removal column can be safely added to va-ECMO, but its efficacy and safety have not been examined systematically. This pilot study will assign all comers undergoing eCPR to va-ECMO with or without cytokine adsorber in a 1:1 fashion. This will ensure comparability and allow analysing clinical endpoints, but is limited by sample size (according to their experience the investigators expect approximately 20 cases per year). The investigators will however be able to generate important data about safety, secondary endpoints such as Interleukin-6-removal or vasopressor use and low-power data about efficacy concerning the primary endpoint 30-day survival.


Description:

Survival after out-of-hospital cardiac arrest (OHCA) as well as intra-hospital cardiac arrest (IHCA) is poor and remains on low levels over the past decades. Introduction of eCPR has promised to improve survival, however, so far there is no supporting data for this claim. In a recent registry study at the investigators' hospital they determined survival rates of 8.5% (OHCA) and 18.9% (IHCA), respectively. Almost all patients with refractory cardiac arrest, who are primarily stabilized under ongoing cardiopulmonary resuscitation by transcutaneous implantation of a veno-arterial extracorporeal membrane oxygenation system (va-ECMO for eCPR) develop post-cardiac arrest syndrome (PCAS). PCAS is characterised by cytokine storm resulting in vasodilation and membrane leakage, which is poorly controlled and often fatal. Case reports and data from the investigators' single-center registry indicate that cytokine adsorption with the CytoSorb removal column can be safely added to va-ECMO, but its efficacy and safety have not been examined systematically. First, the investigators aim to assess the influence of treatment with the CytoSorb removal column over 72 hours after cardiac arrest and resuscitation using eCPR on 30-day-survival. As secondary endpoints, the investigators will assess the efficacy of Interleukin-6-removal, vasopressor-use and fluid-substitution, the latter two as a subsidiary of the degree of PCAS. Finally, the investigators will asses the safety of the use of the CytoSorb column in eCPR/va-ECMO. The investigators hypothesize that the use of the CytoSorb column in eCPR/va-ECMO is a safe and efficient means to manage the consequences of PCAS and thus reduce 30-day mortality after eCPR. All patients admitted to the investigators' hospital after successful CPR and implantation of va-ECMO/ ECLS (extracorporeal life support, eCPR) will be included in the trial. In a 1:1 manner participants will be assigned to the intervention and control groups. Experimental intervention: In addition to standard treatment in patients undergoing eCPR in the intervention group the CytoSorb removal column will be added to the ECLS-system. Control intervention: Patients in the control group will receive standard treatment established for eCPR patients on our ICU. This standard treatment includes, among others, targeted temperature management (TTM) for the first 72 hours. For the use of ECLS as well as TTM we are following well established standard operating procedures. Duration of intervention per patient: The duration of the intervention will be 72 hours. Each CytoSorb removal column can be used for 24 hours, so all patients in the intervention group will receive 3 subsequent filters during the study period. Follow-up per patient: The follow-up period for each patient in the trial will be 30 days. Key inclusion criteria: All patients admitted to our ICU after successful CPR undergoing eCPR will be included in the trial. Key exclusion criteria: The single exclusion criteria for the trial is, if decision has been made before admission to our ICU to terminate treatment within the next 24 hours.


Recruitment information / eligibility

Status Completed
Enrollment 41
Est. completion date December 8, 2020
Est. primary completion date December 8, 2020
Accepts healthy volunteers No
Gender All
Age group 18 Years to 80 Years
Eligibility Inclusion Criteria: - All patients admitted to our ICU after successful CPR undergoing eCPR will be included in the trial. Exclusion Criteria: - The single exclusion criteria for the trial is, if decision has been made before admission to our ICU to terminate treatment within the next 24 hours.

Study Design


Intervention

Device:
Cytosorb removal column in eCPR
In addition to standard treatment in eCPR in the study group a CytoSorb removal column is added to the va-ECMO system for the prevention of post-cardiac arrest syndrome.
standard eCPR (va-ECMO)
Standard treatment in eCPR with a established va-ECMO system.

Locations

Country Name City State
Germany University Clinic Freiburg Freiburg

Sponsors (1)

Lead Sponsor Collaborator
University Hospital Freiburg

Country where clinical trial is conducted

Germany, 

Outcome

Type Measure Description Time frame Safety issue
Primary survival after 30 days rate of survival after 30 days after eCPR 30 days
Secondary secondary outcome measure: cytokine-clearance Interleukin-6 level (patient blood) 72 hours
Secondary secondary outcome measure: vasopressor use vasopressor-use (µg/h/kg bodyweight) 72 hours
Secondary secondary outcome measure: fluid substitution fluid substitution (ml/h/kg bodyweight) 72 hours
Secondary secondary outcome measure: renal function serum creatinin level 72 hours
Secondary secondary outcome measure: serum-lactate serum-lactate level 72 hours
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