Inflammation and the Host Response to Injury (Trauma)



Status:Completed
Conditions:Other Indications, Hospital
Therapuetic Areas:Other
Healthy:No
Age Range:16 - Any
Updated:3/9/2019
Start Date:November 2003
End Date:September 2018

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Inflammation and the Host Response to Injury

The purpose of this study is to help improve our understanding of the biology involved in the
body's response to serious trauma or burn injury. The host response to trauma and burns is a
collection of physiological and pathophysiological processes that depend critically upon the
regulation of the human innate immune system, with particular emphasis on the inflammatory
component of that system. No single research center or small group of centers has the
capacity to delineate the integrated response of this complex biological system, which
involves multiple molecular and genetic interactions that vary in time. Our proposal promotes
the identification of important dynamic relationships that regulate the integration of this
complex biological system, with the expectation that this understanding will ultimately
impact the diagnosis, prognosis, and treatment of the hospitalized, severely injured patient.

This large-scale collaborative project provides the means to acquire the necessary new
knowledge directly in humans. Knowledge will be acquired using diverse state-of-the-art
genomic and proteomic technologies, a highly complex clinical, proteomic, and genomic
database, as well as newly-developed, novel analytical tools to probe this complex dataset.
Our analytical capabilities at the genomic and proteomic level are now rapidly evolving and
our ability to link these genomic and proteomic data to pathways and functional modules will
help us more closely link this cellular data to immunological processes and ultimately, to
the phenotypic response (i.e., trajectory) in the injured host. As a result, potential
interventions, whether through our Program or other funding mechanisms, can be more
effectively designed.

Inclusion criteria for enrollment in the trauma study are as follows:

- Blunt trauma without isolated head injury

- Absence of traumatic brain injury, defined as either AIS head <4 OR GCS motor >3
within 24 hours of injury

- Emergency Department arrival <=6 hours from time of injury

- Blood transfusion within 12 hours of injury

- Base deficit >=6 OR systolic blood pressure <90 mmHg within 60 minutes of emergency
department arrival

- Fully or partially intact cervical spinal cord

All patients meeting these criteria are entered into the epidemiologic database and
assessed for specific exclusion criteria to establish whether serial blood draws are
warranted.

The presence of any of the following exclusion criteria disqualifies a subject from the
trauma sampling study.

- Age < 16

- Anticipated survival of <24 hours from injury

- Anticipated survival <28 days due to pre-existing medical condition

- Inability to obtain first blood draw within first 12 hours after injury

- Traumatic brain injury; i.e., GCS ≤8 after ICU admission AND brain computerized
tomography scan abnormality within 12 hours after injury

- Inability to obtain informed consent

- Pre-existing, ongoing immunosuppression - e.g. transplant recipient

- Pre-existing, ongoing immunosuppression - e.g. chronic high dose corticosteroids (>20
mg/prednisone-equivalents/day)

- Pre-existing, ongoing immunosuppression - e.g. oncolytic drug(s) therapy within the
past 14 days

- Pre-existing, ongoing immunosuppression - e.g. HIV positive AND CD4 count <200
cells/mm3

- Possible requirement for early immunosuppression - e.g. significant likelihood of
requiring high dose corticosteroids (e.g. spinal injury)

- Significant pre-existing organ dysfunction - lung: currently receiving home oxygen
therapy, as documented in medical records

- Significant pre-existing organ dysfunction - heart: congestive heart failure, as
documented in medical records

- Significant pre-existing organ dysfunction - renal: chronic renal failure (creatinine
>2)

- Significant pre-existing organ dysfunction - liver: cirrhosis with portal hypertension
or encephalopathy

- Patient injured while sampling enrollment temporarily on hold
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325 9th Ave
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Harborview Medical Center Harborview Medical Center is the only designated Level 1 adult and pediatric...
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