Plasma Cytochrome c as Biomarker of Traumatic Injury and Predictor of Outcome
1 other identifier
observational
12
1 country
1
Brief Summary
Cytochrome c is a mitochondrial protein that plays a key role in energy metabolism. When mitochondria are injured, cytochrome c may leave mitochondria and reach the bloodstream. The investigators plan to investigate whether circulating cytochrome c levels may serve as biomarker of traumatic injury correlating with (1) severity of traumatic injury, (2) development of organ dysfunction, and (3) clinical outcomes. The Trauma Services at ALGH will enroll over 8 months 100 consecutive trauma patients who require intubation for mechanical ventilation and survive to hospital admission. The Resuscitation Institute at RFUMS will measure cytochrome c levels in plasma taken upon hospital admission and subsequently at 24, 48, and 72 hours, with additional plasma stored for markers to be defined at a later time. Blood cytochrome c levels will be analyzed in relation to severity of traumatic injury, development of organ dysfunction, and clinical outcomes including survival and functional status (adjusted for covariates such as age, gender, type of trauma, time to stabilization, comorbidities, etc.) using information obtained as part of routine medical care. Successful completion of this project will support blood cytochrome c as biomarker of traumatic injury which could be used to identify severity, predict outcomes, and assess novel mitochondrial protective strategies.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for all trials
Started Mar 2014
Typical duration for all trials
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
Study Start
First participant enrolled
March 1, 2014
CompletedFirst Submitted
Initial submission to the registry
April 28, 2015
CompletedFirst Posted
Study publicly available on registry
May 12, 2015
CompletedPrimary Completion
Last participant's last visit for primary outcome
March 1, 2017
CompletedStudy Completion
Last participant's last visit for all outcomes
March 1, 2017
CompletedOctober 4, 2024
March 1, 2018
3 years
April 28, 2015
October 2, 2024
Conditions
Outcome Measures
Primary Outcomes (1)
Plasma cytochrome c levels in relation to severity of traumatic injury
Relationship between plasma levels of cytochrome c and the initial severity of traumatic injury as assessed by the TRISS and the severity of initial presentation based on transfusion requirements and (if available) by blood gas and chemistry analysis along with lactic acid.
Day one.
Secondary Outcomes (2)
Plasma cytochrome c levels in relation to development of organ dysfunction and hospital outcomes
From hospital admission until the date of discharge from the hospital, up to 26 weeks.
Individual organ contribution to plasma cytochrome c levels
From hospital admission until the date of the last cytochrome c measurement (i.e., day three from hospital admission).
Eligibility Criteria
Adult patients of both genders suffering acute non-penetrating traumatic injury.
You may qualify if:
- Age 18 years or older. Blunt mechanism for the primary injury. Time from injury to hospital arrival is ≤ 2 hours Mechanical ventilation for any reason, including surgery, within the initial 24 hours from hospital arrival.
- Any one of the following:
- Systolic blood pressure \<90 mmHg (Class III shock- \>30 %blood loss) within 4 hours from hospital arrival.
- Base deficit \> 4 mmol/l in the first blood gas upon hospital arrival
- Transfusion of ≥ 2 units of packed red blood cells within ≤12 hours from hospital arrival.
You may not qualify if:
- Known disease with life expectancy \<6 months. Penetrating mechanism for the primary injury. Death within 4 hours from hospital arrival.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Advocate Lutheran General Hospital
Park Ridge, Illinois, 60068, United States
Related Publications (52)
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Biospecimen
Blood drawn within 15 minutes of arrival to the Emergency Department and at 24, 48, and 74 hours. Each sample will be processed and stored for subsequent analysis of cytochrome c and other markers of mitochondrial injury that may become available at a later time.
MeSH Terms
Conditions
Study Officials
- PRINCIPAL INVESTIGATOR
Raul Gazmuri, MD
Rosalind Franklin University of Medicine and Science
Study Design
- Study Type
- observational
- Observational Model
- COHORT
- Time Perspective
- PROSPECTIVE
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
April 28, 2015
First Posted
May 12, 2015
Study Start
March 1, 2014
Primary Completion
March 1, 2017
Study Completion
March 1, 2017
Last Updated
October 4, 2024
Record last verified: 2018-03