Swecrit Biobank - Blood Samples From Critically Ill Patients and Healthy Controls

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

ACTIVE_NOT_RECRUITING

Total Enrollment

8500 participants

Study Classification

OBSERVATIONAL

Study Start Date

2014-06-30

Study Completion Date

2026-12-31

Brief Summary

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Blood samples are collected and stored in a biobank for later analysis of circulating substances in peripheral blood and genetic variations in patients with severe critical illness and risk of death. The aim is to analyze stored samples in order to identify substances that can help predict the outcome of critically ill patients, but also to optimize treatment and possibly prevent serious illness and death in the future.

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Detailed Description

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SWECRIT is a regional, multicenter study with prospective collection of blood samples and background information from critically ill patients, admitted to an Intensive Care Unit (ICU) in Region Skåne, Sweden. Patients were originally categorized into four study cohorts a) cardiac arrest, b) sepsis, c) influenza, and d) trauma. In April of 2020, a fifth study cohort, covid19, was added to the original ones. In addition, a control group of healthy controls has been enrolled.

Diagnoses, disease course, treatment results and survival are prospectively collected from all critically ill patients in the Patient Administrative System for Intensive Care Units (PASIVA). PASIVA is the portal by which collected laboratory and physiological data are entered into the Swedish Intensive Care Register (SIR). Further data are collected retrospectively from other health-related registers, such as the Swedish Population Register, the International Cardiac Arrest Registry (INTCAR), The Swedish CPR Registry, the Swedish Trauma Registry (SweTrau), and the Regional quality register Covid-IR (covid19 disease).

Specifically for the covid19-cohort, detailed face-to-face follow-up will be performed of all survivors at 3 \& 12 months and a telephone interview after 3 years. Questionnaires (see below) will be sent to patients prior to the follow-up. Questions about well-being in general, quality-of-life, sleeping disorders, psychological and psychiatric problems will be addressed.

Collected blood samples in the ICU are processed by clinical chemistry at each participating hospital and frozen specimens of whole blood, serum, and plasma (200 ul aliquots) are sent to the biobank BD-47 in Region Skane for long-term storage (maximum 20 years).

The circulating substances and genetic markers, i.e. biomarkers that will be analyzed are: proteins (markers of inflammation, stress, infection, neurologic injury, myocardial injury and endothelial function) and other circulating substances in the blood (metabolomics), genes (DNA) from the entire genome, epigenetic changes (eg methylation status of DNA), gene fragments (eg secretory DNA), various forms of RNA such as micro-RNA \& longcoding RNA.

Research questions for future analyzes of collected samples are specified but subject to change, depending on progress and development in the specific research field of each study cohort.

1. Identification and use of biomarkers for assessment of severity of disease and trajectory over time in the ICU will be the main area of research.
2. Assessment of neurological prognosis and outcomes will be a common denominator in several studies.
3. Descriptive statistics and regression analyses will be performed in order to identify independent variables (biomarkers) of importance for prognosis and outcomes.

Inquiries to access the sample collection for research purpose can be sent to the central contacts listed below.

Conditions

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Critical Illness Cardiac Arrest Sepsis Influenza Covid19 Trauma

Study Design

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Observational Model Type

COHORT

Study Time Perspective

OTHER

Study Groups

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