Clinical trial NCT06179771: Pilot Study on HA380 Column Use in Critically Ill Patients Receiving Extracorporeal Support.
Official title: HA380 Column Use in Critically Ill Patients Receiving Extracorporeal Support for Acute Critical Illness; a Prospective, Randomised, Interventional, Feasibility, Pilot Study (HACEC)
Study type: INTERVENTIONAL
Overall status: RECRUITING
Phase: NA
Conditions: Acute Kidney Injury
ARDS
Inflammation
Extracorporeal Circulation; Complications
Lead sponsor: University Hospitals, Leicester
Sponsor class: OTHER
Collaborators: name: Jafron Biomedical Company Limited
First posted: 2023-12-22
Enrollment: 40
Sex: ALL
Minimum age (years): 18
Maximum age (years): 65
Standard ages: ADULT
OLDER_ADULT
Accepts healthy volunteers: no
Allocation: RANDOMIZED
Intervention model: PARALLEL
Intervention model description: Consecutive study participants would be assigned using block randomisation into the intervention arm or the standard of care arm. Patients in the intervention arm would be treated with the HA380 column. The outcomes would be compared with patients who received standard ICU care .
Primary purpose: TREATMENT

Brief summary: Patients who are very ill either due to a severe infection, major organ injury, trauma or a major operation may require significant support with devices such as a dialysis machine for the kidneys or Extracorporeal Membrane Oxygenation (ECMO) for the heart and lungs. This is often due to a reaction of the body to the insult which is termed inflammation. The investigators would like to assess if the use of a device that can remove the agents driving this reaction can lead to a quicker recovery form the illness. The device is a blood filter called HA380 and it would be connected to either the dialysis machine or the ECMO circuit. The investigators want to assess the feasibility of conducting a study with the HA380 column. We will also evaluate if the use of the HA380 column has an effect on the time spent on dialysis or ECMO, time spent on the breathing machine, time spent requiring drugs to support blood pressure and time spent in the intensive care unit.

Detailed description: The role of inflammation in the pathophysiology of major organ dysfunction in critically ill patients is well established and this correlates with the degree of organ dysfunction which consequently may require increased level of organ support in the intensive care unit. Critically ill patients present in a spectrum of inflammatory states and on the extreme end of this spectrum are patients requiring renal replacement therapy and ECMO support. This subgroup of critically ill patients have been found to have high mortality.

The concept of attenuating severe hyperinflammatory response is sometimes used in certain disease states using agents such as intravenous corticosteroids, plasma exchange and more recently, anti-cytokine monoclonal antibodies. However, these strategies are associated with side effects (e.g. Bleeding and increased risk of infection), and are not necessarily appropriate in all critically ill patients with severe inflammation. Studies investigating the efficacy of these strategies have failed to show any clinical benefit except in the setting of COVID 19 infection.1-4 Early use of cytokine adsorption devices may provide an alternative non- pharmacological pathway with fewer side effects which can be deployed early.

The most studied cytokine adsorption device is the CytoSorb column which consists of biocompatible polymer sorbent beads. Several studies have demonstrated a reduction in vasopressor requirements, IL-6 levels, and Sequential Organ Failure Assessment (SOFA) scores.5,6 However, this observation did not translate into outcome benefit. There is considerable heterogeneity in how the cytokine adsorption is delivered in these studies and the study designs. An international registry analysis did not demonstrate a mortality benefit with CytoSorb either.7

The HA380 column consists of styrene divinylbenzene copolymers. In a recent study consisting of patients undergoing cardio-pulmonary bypass, patients who received the HA 380 column required lower vasopressor doses, shorter duration of invasive mechanical ventilation and had a shorter ICU length of stay.8 A direct in- vitro comparison of the CytoSorb device and the HA 380 device shows that the latter is less efficient at removing cytokines compared to the CytoSorb device but both devices were efficient at removing pro-inflammatory cytokines.9 The role of cytokines in critical illness is a double-edged sword10, and this may well be where CytoSorb may have a disadvantage - providing higher cytokine clearance for a longer period.

We hypothesise that the HA380 column use in critically ill patients with inflammation receiving renal replacement therapy or ECMO is associated with an improvement in mortality. It is recommended to be used early (within 72 hours of commencement of extracorporeal support). HA380 hemoperfusion cartridge, mainly adsorbs molecules from 10 to 60 kDa. Because of the accurate 3D macroporous structure and over 54000 m2 adsorption surface area of the resin.HA380 haemoperfusion therapy can provide a new regimen in controlling inflammatory cytokines storm. Studies have demonstrated the ability of the HA380 column to reduce the concentration of pro-inflammatory cytokines IL-1, TNF-alpha. 11,12

The aim of this feasibility pilot is to assess the feasibility of the early use of the HA380 cytokine adsorption column in a study and its effect on the time-to-liberation from extracorporeal membrane oxygenation (ECMO) support, vasoactive drug requirement and duration of vasoactive therapy, and mortality (or clinical surrogates for all-cause mortality).

Eligibility criteria: Inclusion Criteria

* Consent obtained
* Male or Female, aged 18 years - 65 years.
* Admitted with a diagnosis of sepsis (according to sepsis-3 definition), trauma, ARDS of infectious or non-infectious aetiology, trauma or after major surgery
* Need for extracorporeal support and specifically renal replacement therapy (RRT) and/or ECMO.
* Vasopressor or inotropic therapy requirement at the time of RRT or ECMO support
* Within 72 hours of requiring extracorporeal support
* At least one of:
* CRP \> 100 mg/L (in the absence of immunosuppressive therapy/immunomodulation)
* Lactate \>2 mmol/L

Exclusion Criteria

* The participant may not enter the trial if ANY of the following apply:
* Unable to obtain consent.
* Expected to die in the next 24 hours.
* Pre-existing chronic kidney disease - requiring dialysis /eGFR \< 30ml/min/1.73m2
* Pre-existing severe respiratory failure - e.g., requiring home oxygen/ home nebulisers/ poor exercise tolerance
* Chronic heart failure - NYHA class III and above
* Pregnancy
* Requirement for immediate immune modulation e.g., plasma exchange, high dose steroids , IV immunoglobulins (does not include vasoplegic dose of steroids or immune modulation for COVID 19)
* Participants who have participated in another research trial involving an investigational product in the past 12 weeks.

Primary outcomes:
measure: Successful use of HA380 column in critically ill patients.
timeFrame: through study completion, an average of 24 months
measure: Ability to recruit the sample size of eligible patients within the study period.
timeFrame: through study completion, an average of 24 months
Secondary outcomes:
measure: Time spent on vasopressor therapy.
timeFrame: From date admission to ICU, assessed up to 4 weeks
measure: Time spent in ICU
timeFrame: From date of admission to ICU until the date of ICU discharge or date of death, which ever comes first, assessed up to 24 months
measure: ICU Mortality
timeFrame: From the date of admission to ICU until the date of death from any cause during ICU stay, assessed up to 24 months
measure: Time spent on extracorporeal support
timeFrame: From the date of admission to ICU, assessed up to 24 weeks
Other outcomes:
Locations:
city: Leicester
country: United Kingdom
facility: University Hospitals of Leicester NHS Trust
state: Leicestershire
Study officials:
References:
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