HFIP Ex-vivo Study

Sepsis, a multi organ failure caused by infectious diseases, is a major health burden with an average mortality rate of 26%. Cells of the innate immune system of hosts recognize specific patterns of pathogenic bacteria and trigger an inflammatory response. In case of sepsis, this inflammatory response takes a deregulated course, expressing an overwhelming amount of pro-inflammatory cytokines leading to a loosening of endothelial tight junctions, evasion of intravasal fluids and proteins into the interstitium, as well as direct tissue damage throughout an overproduction of reactive oxygen species by neutrophils. These pathological changes of the host's proper immune system lead to a multi organ failure, which characterize a clinical pathomechanism of sepsis. Several studies confirmed an immunomodulatory effect of sevoflurane's primary metabolite hexafluoroisopropanol (HFIP) attenuating pro-inflammatory cytokine expression with a consecutive improvement of organ function and survival in rodent models of sepsis. Until now, there are no data available confirming this effect in septic patients as well. With this study, the direct impact of sevoflurane's primary metabolite HFIP on cytokine expression in the blood of septic patients will be investigated for the first time.

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Key information

Conditions

Sepsis Infections Inflammation Pathologic Processes Pathological Conditions, Signs and Symptoms Systemic Inflammatory Response Syndrome

Age range

18 year and older

Sex eligibility

All sexes

Study type

Observational

Primary location

University Hospital Zurich

Zurich, 8091, Switzerland

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

Patients admitted to the emergency ward with suspicion of infection and a qSOFA Score ≥ 2 points (Respiratory frequency > 22/minute, Systolic blood pressure < 100 mmHg, Glasgow Coma Scale < 15).
Male and Female subjects with at least 18 years of age.
Written informed consent by the participant after information about the project. In emergency cases where a written consent cannot be obtained immediately, due to the patient's medical conditions, the existence of a patient decree and of a representative in the emergency situation is evaluated according to the Swiss Civil Code. Informed consent will be obtained from the representative. A medical doctor, furthermore, not participating in the investigation, guarantees the medical care of the patient by the defending of his/her interests. After recovery, the patient will be informed as soon as possible about the trial and consent is requested.

Exclusion criteria

Acquired Immune Deficiency Syndrome
Anti-IL-6 therapy (e.g. Kevzara®) within the last 60 days
Application of a cytokine absorber
Pregnancy and/or Breast feeding

Treatment and study plan

Primary outcomes

Inflammatory response in blood of septic patients after application of HFIP

Time frame: IL-6 will be measured after 6 hours incubation.

Interleukine-6 (IL-6) will be measured with Enzyme-linked Immunosorbent Sandwich Assay as a surrogate marker of inflammatory response. Amount of IL-6 is compared between treated samples and control samples.

Sponsors and collaborators

Lead sponsor

University of Zurich

Other

Registry information

Official study title

Impact of Hexafluoroisopropanol (HFIP) on the Inflammatory Response in Blood of Septic Patients (HFIP Ex-vivo Study). A Feasibility, Proof of Principle Project.

Important dates

Study start: 2019
Primary completion: 2024
Study completion: 2024
First posted: Aug 16, 2019
Registry last updated: Jul 3, 2024

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

Published trials that share one or more normalized conditions with this study.

Completed