About this trial
This is a prospective observational physiopathological study aimed at evaluating the immunological and inflammatory determinants associated with the prognosis of patients admitted to intensive care units (ICU). The study will establish multidimensional models predicting one-year survival and the occurrence of nosocomial infections.
Patients admitted to ICU undergo routine biological sampling. In addition to these, minimal supplementary samples will be collected for immunological and inflammatory biomarker analysis at admission, day 1, day 4, day 8, ICU discharge or day 28, and at 12 months. Additional samples may be taken during clinically significant events (nosocomial infections, complications).
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Age ≥ 18 years
Admission to ICU within 24 hours
Disqualifiers
Moribund patient (ECOG=4)
Legal protection (guardianship/curatorship)
Uninsured patients
Pre-existing immunosuppression (active/recent cancer, hematologic disease, autoimmune disease, organ transplant, HIV)
Trial population
All adult patients (≥ 18 years old) admitted to intensive care.
Trial design
Cohort
Prospective
Treatments tested in this trial
Not listed
Trial groups
Trial outcomes
Primary outcomes
Overall survival of patients admitted to intensive care.
Difference in overall survival between ISU patients with different immunological and inflammatory profiles upon completion of the 12-month follow-up period.
Multidimensional flow cytometry leukocyte profiling
The isolated cell samples will be analyzed to determine the absolute number and percentage of B cells, monocytes, CD4+ and CD8+ T cells, CD3+CD56+ NKT cells, and NK cells
Inflammatory profile of ICU patients
Inflammation-related protein biomarkers will be analyzed using Olink assay
Secondary outcomes
Change in SOFA Score
Sequential Organ Failure Assessment (SOFA) Score included the degree of dysfunction of six organ systems (Respiratory, Cardiovascular, Liver, Renal, Coagulation, Neurologic). Minimum score = 0 maximum score = 24. Higher scores indicate greater degree of dysfunction.
Transcriptomic (scRNAseq) profiling of isolated leukocytes
Change in the transcriptome of leukocytes isolated from blood, bronchoalveolar lavage fluid (BAL), cerebrospinal fluid (CSF), urine, and tissues, as measured by single cell RNA-sequencing using Flex technology
Sponsors and contacts
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Assistance Publique - Hôpitaux de Paris
Lead sponsor
INSERM U942
Collaborator
Société Française d'Anesthésie et de Réanimation
Collaborator
French Society for Intensive Care
Collaborator
European Society of Intensive Care Medicine
Collaborator
ZOLL Foundation, Fondation Les Gueules Cassées
Collaborator