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SuspendedNCT04963920PROCYSSUpdated Aug 5, 2025

A RCT to Assess the Performance of CytoSorb for Shock Reversal in Patients With Vasoplegic Septic Shock

An interventional study of Cytosorb® 300 ml in Septic Shock, sponsored by CytoSorbents Europe GmbH. Suspended at 18 sites in Germany. Open to participants aged 18 Years and older. Per ClinicalTrials.gov, last updated 2025-08-05.

Sponsored by CytoSorbents Europe GmbH · Not applicable, Interventional, and Treatment

Why this study was suspended
Recruitment for the study is currently on hold to allow for a protocol amendment. This revision aims to align the study design with changes in clinical practice since the trial's initiation.
Phase
Not applicable
Study type
Interventional
Enrollment
260
Allocation
Randomized
Ages
18 Years and older
Sex
All
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Study summary

To assess the performance of the CytoSorb® 300 mL device for shock reversal in patients with vasoplegic septic shock.

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Conditions studied

  • Septic Shock

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03

In context

Shock, Septic

862 studies on the registry are indexed under Shock, Septic; 207 are open to participants now.

This study's planned enrollment of 260 is above the median of 80 across 530 interventional studies indexed under Shock, Septic.

Browse Shock, Septic studies →

Lead sponsor

CytoSorbents Europe GmbH is the lead sponsor of 3 studies on the registry; none are open to participants now.

Counted across the registry records on this site, refreshed daily.

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Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
No

Inclusion criteria

  1. Patients treated with standard of care (SOC) according to guidelines for sepsis/septic shock for > 6 and \< 30 hours prior to randomization
  2. Vasoplegic septic shock*, requiring NA ≥ 0.2 µg/kg/min at the time of randomization, despite adequate fluid resuscitation to maintain MAP ≥ 65 mmHg after at least 6 hours of guideline-oriented initial therapy, including continuous NA administration
  3. Lactate >2 mmol/l and \<8 mmol/l at baseline
  4. IL-6 ≥ 1000 ng/l at screening
  5. Minimum 18 years of age
  6. Provide voluntary consent to participate in the study either directly or via a legally authorized representative (LAR) or in accordance to the procedure after determination of an emergency situation according to Art. 68 (1) MDR, as applicable

    • (Septic shock is defined according to the SCCM / EISCM task force Sepsis-3 definition [Singer 2016])

Exclusion criteria

Exclusion Criteria:

  1. Patients with an abdominal source of infection without a source control intervention at the time of randomization OR a planned additional surgical intervention within the first 28 hours after randomization
  2. Administration of any other vasopressors than NA at time of randomization and within the first 28 hours after randomization
  3. Indication for va-ECMO at baseline OR a planned va-ECMO within the first 28 hours after randomization
  4. Patients with a steroid therapy above Cushing-threshold dose (e.g. 30 mg hydrocortisone/d or 6 mg prednisolone/d) for more than 30 days prior to baseline
  5. Cytokine-specific antibody therapy before inclusion
  6. Anticipated interruption of CytoSorb® therapy for more than 2 hours within the first 26 hours after start of intervention
  7. Conditions with a poor 90-day chance of survival because of an uncorrectable medical condition such as poorly controlled neoplasm, or other moribund end-stage disease states in which death was perceived to be imminent
  8. Cancer patients currently on chemotherapy with cytostatics, tyrosine kinase inhibitors, or a treatment with antibodies (e.g. PD-1-inhibitors)
  9. Acute traumatic brain injury
  10. Decision to limit or withdraw treatment within the study and/or observation period in the ICU
  11. Pregnancy / breast feeding
  12. Participation in another interventional study
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Study design

Phase
Not applicable
Primary purpose
Treatment
Allocation
Randomized
Intervention model
Parallel assignment
Masking
Single (Participant)
Enrollment
260 participants (estimated)

Study arms

  • Experimental
    SoC+CytoSorb treatment

    patients allocated to this group, will receive CytoSorb therapy in addition to the standard of care therapy according to applicable guidelines

    Device: Cytosorb® 300 ml

  • No intervention
    Standard of Care (SoC)

    patients allocated to this group will receive only standard of care therapy according to applicable guidelines

Interventions

  • DeviceCytosorb® 300 ml

    patients will receive CytoSorb therapy in addition to standard of care therapy according to applicable guidelines

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What researchers measure

Primary outcomes

  1. Percentage change in noradrenaline (NA) dose 24 hours after baseline, assessed as mean over the time window 22 to 26 hours after baseline

    Time frame: 24 hours

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Study locations

18 sites
  • Department of Intensive Care Medicine, University Medical-Center Hamburg-Eppendorf
    Hamburg, Free and Hanseatic City of Hamburg 20251, Germany
  • Department of Nephrology and Medical Intensive Care, Charité - University Medical Center
    Berlin, 10117, Germany
  • Department of Anesthesiology and Operative Intensive Care Medicine (CBF), Charité - Universitätsmedizin Berlin
    Berlin, 12203, Germany
  • Department of Anesthesiology and Critical Care Medicine, University Hospital of Dresden
    Dresden, 01307, Germany
  • Klinikum Emden
    Emden, 26721, Germany
  • Clinic for Interdisciplinary Intensive Care and Intermediate Care, HELIOS Hospital Erfurt
    Erfurt, 99089, Germany
  • Department of Nephrology, University Hospital Essen
    Essen, 45147, Germany
  • Department of Anesthesiology, Intensive-Care Medicine and Pain Therapy, University Hospital Frankfurt
    Frankfurt am Main, 60323, Germany
  • Department of Anesthesiology, Emergency and Intensive Care Medicine, University of Göttingen
    Göttingen, 37075, Germany
  • Department of Internal Medicine B, Cardiology, Pneumology, Infectious Diseases, Intensive Care Medicine, University Hospital Greifswald
    Greifswald, 17475, Germany
  • Department of Anesthesiology, Surgical Intensive Care, Emergency and Pain Medicine, Ruhr- University Bochum, Klinikum Herford, Herford, Germany
    Herford, 32049, Germany
  • Department of Anaesthesiology, Intensive Care and Pain Therapy, Saarland University Medical Center and Saarland University Faculty of Medicine
    Homburg, Germany
  • Department of Anesthesiology, Operative Intensive Care Medicine, Pain Management and Emergency Medicine, Hospital Ibbenbüren
    Ibbenbueren, 49477, Germany
  • Department of Internal Medicine, Neurology and Dermatology, Interdisciplinary Internal Intensive Care Medicine, University Leipzig
    Leipzig, 04103, Germany
  • Department of Internal Medicine II, Technical University of Munich
    Munich, 81675, Germany
  • Department of Anaesthesiology and Intensive Care Medicine, Technical University of Munich
    Munich, Germany
  • Center for Emergency and Intensive Care Medicine, Hospital Ernst von Bergmann
    Potsdam, 14467, Germany
  • Department of Anesthesiology and Intensive Care Medicine, Rostock University Medical Centre
    Rostock, 18057, Germany
08

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Aug 5, 2025, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
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Registry details

Key details

Study ID
NCT04963920
Lead sponsor
CytoSorbents Europe GmbH
Collaborators
BRAHMS GmbH, MedInnovation GmbH
Responsible party
Sponsor
First posted
Jul 15, 2021
Start date
Jan 30, 2022
Primary completion
Feb 2027 (estimated)
Completion
May 2027 (estimated)
Last update
Aug 5, 2025

Study contacts

Stefan Kluge, Prof
principal investigator · Universitätsklinikum Hamburg-Eppendorf (UKE)

Oversight

Data monitoring committee
Yes
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is suspended, as verified in Jul 2025. You cannot join it, but the record below documents what was studied.

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