NCT02440373

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

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
12

participants targeted

Target at below P25 for all trials

Timeline
Completed

Started Mar 2014

Typical duration for all trials

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

March 1, 2014

Completed
1.2 years until next milestone

First Submitted

Initial submission to the registry

April 28, 2015

Completed
14 days until next milestone

First Posted

Study publicly available on registry

May 12, 2015

Completed
1.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 1, 2017

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

March 1, 2017

Completed
Last Updated

October 4, 2024

Status Verified

March 1, 2018

Enrollment Period

3 years

First QC Date

April 28, 2015

Last Update Submit

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

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

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

Location

Related Publications (52)

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Biospecimen

Retention: SAMPLES WITHOUT DNA

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

Wounds and InjuriesWounds, Nonpenetrating

Study Officials

  • Raul Gazmuri, MD

    Rosalind Franklin University of Medicine and Science

    PRINCIPAL INVESTIGATOR

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

Locations