Molecular Diagnosis and Risk Stratification of Sepsis (MARS)
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ClinicalTrials.gov Identifier: NCT01905033 |
Recruitment Status : Unknown
Verified April 2016 by T. van der Poll, Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA).
Recruitment status was: Recruiting
First Posted : July 23, 2013
Last Update Posted : April 29, 2016
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Background: Sepsis is a major cause of in-hospital morbidity and mortality. Current tools available to the clinician to initiate therapy of patients with sepsis mainly comprise of symptom classification systems and culture techniques, which provide aspecific and slow information.
Objective: The ultimate goal of this program is to assist the physician at the bedside in tailoring the treatment of an individual patient suffering from sepsis by generating rapid molecular information about the causative pathogen and the host response.
Deliverables: Rapid tests ("sample-in-result-out") that can be used by health care personnel at or close to the bedside and that provide rapid information (within two hours) about the presence or absence of sepsis, the causative pathogen and the risk of the individual patient for sepsis complications and death.
Design: The program is organized into four Work Packages (WPs) along a clinical, discovery and technology platform. In WP1 two university hospitals will enroll 7500 patients admitted to the Intensive Care Unit during the first 3 years of the project; 25% - 40% of these patients will have or will develop sepsis. In WP2 (Pathogen Detection), blood obtained from these patients will be used to develop rapid, fully automated DNA-based bedside tests that identify microorganisms and also provide information about their resistance to antibiotics. In WP3 (Host Response), RNA from blood cells will be analyzed to find novel biomarkers and to develop rapid and easy to perform tests that provide information about the risk profile of the patient. In addition, plasma levels of selected protein biomarkers will be measured for comparison of their value with that of the identified leukocyte molecular signatures. WP4 is responsible for the ICT management of the project. The Clinical Platform (covered by WP1 and WP4) delivers patient data and biological samples to the discovery and technology platforms. The Discovery Platform (covered by WP2 and WP3) uses patient data and biological samples to develop tests for detection of the infectious agent causing sepsis and for stratification of patients according to their risk for sepsis complications, including death. The results generated within the discovery platform will be delivered to the technology platform. The Technology Platform (part of WP2 and WP3) has the specific aim to develop rapid assays that run on a fully automated (micro)fluidics platform that is so easy to operate that it can be used in decentralized settings such as (close to) the ICU. The developed assays will make use of the knowledge generated in the discovery platform.
Condition or disease |
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Sepsis |
Study Type : | Observational [Patient Registry] |
Estimated Enrollment : | 7500 participants |
Observational Model: | Cohort |
Time Perspective: | Prospective |
Target Follow-Up Duration: | 1 Year |
Official Title: | Molecular Diagnosis and Risk Stratification of Sepsis |
Study Start Date : | January 2011 |
Estimated Primary Completion Date : | June 2018 |
Estimated Study Completion Date : | June 2018 |
- Molecular information about causative pathogens and the host response in patients with sepsis [ Time Frame: One year ]
- Stratification of septic patients by severity and type of immune response to infection [ Time Frame: Five years ]
Biospecimen Retention: Samples With DNA

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Ages Eligible for Study: | 18 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Sampling Method: | Probability Sample |
Inclusion Criteria:
- All patients> 18 years in the Intensive Care Units of the AMC Amsterdam and UMC Utrecht.
Exclusion Criteria:
- Elective cardiac surgery patients with an uncomplicated stay.

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01905033
Contact: Tom van der Poll, Prof. | +31205665910 | t.vanderpoll@amc.uva.nl |
Netherlands | |
Academic Medical Center | Completed |
Amsterdam, Noord-Holland, Netherlands, 1105 AZ | |
University Medical Center Utrecht | Recruiting |
Utrecht, Netherlands, 3584 CX | |
Contact: Marc J Bonten, Prof. mbonten@umcutrecht.nl | |
Principal Investigator: Marc J. Bonten, Prof. |
Principal Investigator: | Tom van der Poll, Prof. | Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA) |
Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
Responsible Party: | T. van der Poll, Prof. dr. T. van der Poll, Academisch Medisch Centrum - Universiteit van Amsterdam (AMC-UvA) |
ClinicalTrials.gov Identifier: | NCT01905033 |
Other Study ID Numbers: |
10-056 |
First Posted: | July 23, 2013 Key Record Dates |
Last Update Posted: | April 29, 2016 |
Last Verified: | April 2016 |
Sepsis Pneumonia Peritonitis |
Biomarkers Transcriptomics Pathogen detection |
Sepsis Toxemia Infections |
Systemic Inflammatory Response Syndrome Inflammation Pathologic Processes |