Actively Recruiting
A Study on How the Immune System Responds to Sepsis and Its Long-term Effects
Led by Radboud University Medical Center · Updated on 2025-12-09
400
Participants Needed
1
Research Sites
160 weeks
Total Duration
On this page
Sponsors
R
Radboud University Medical Center
Lead Sponsor
D
Dutch Research Council
Collaborating Sponsor
AI-Summary
What this Trial Is About
Sepsis occurs when an infection, caused by bacteria, a virus, or a fungus, enters the body and throws the immune system out of balance. Instead of protecting the body, the immune response may become too strong and start damaging healthy organs, or it may become too weak and fail to control the infection. Both situations can be life-threatening. Even people who survive sepsis may experience long-term health problems, such as new infections, heart and blood vessel diseases, or early death. This study aims to better understand how the immune system behaves during and after sepsis. We believe that there are different types of immune responses in sepsis, called immunotypes. We will identify these immunotypes by examining substances in the blood and changes in immune cells. We will then study which immunotypes help protect patients and which may cause short- or long-term harm. Understanding these immunotypes may make it possible in the future to quickly determine what type of immune response a patient with sepsis has. This could help doctors choose the best treatment for each individual patient. A total of 400 patients with sepsis from the intensive care unit will take part in this study. We will collect blood samples at several time points and gather information about their health. Participants will be followed from their intensive care admission until one year after they return home.
CONDITIONS
Official Title
A Study on How the Immune System Responds to Sepsis and Its Long-term Effects
Who Can Participate
Eligibility Criteria
You may qualify if you...
- Adults (≥18years).
- Sepsis 3 criteria: defined as having a suspected or documented infection accompanied by organ dysfunction, represented by a total Sequential Organ Failure Assessment (SOFA-2) score 2 or more for new admissions or as 2 or more point-increase of the total SOFA-2 score for hospitalized patients.
You will not qualify if you...
- Known chemotherapy-induced or long-term neutropenia.
- Known CD4 counts <400 cells/µL.
- History of primary immunodeficiency
- Chronic intake of corticosteroids (defined as total daily dose equal or greater than 0.4 mg/kg of equivalent prednisone for more than the last 15 days).
- Current use of biologics.
- Solid organ transplant recipients.
- Recipients of allogeneic bone marrow transplants.
AI-Screening
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Trial Site Locations
Total: 1 location
1
Radboud University Medical Center
Nijmegen, Gelderland, Netherlands
Actively Recruiting
Research Team
T
Tristan Couwenbergh
CONTACT
W
Wouter A. van der Heijden, dr.
CONTACT
How is the study designed?
Study Type
OBSERVATIONAL
Masking
N/A
Allocation
N/A
Model
N/A
Primary Purpose
N/A
Number of Arms
0
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