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Clinical Trial Details — Status: Terminated

Administrative data

NCT number NCT00754169
Other study ID # 080198
Secondary ID 08-N-0198
Status Terminated
Phase N/A
First received September 16, 2008
Last updated October 5, 2017
Start date September 5, 2008
Est. completion date January 9, 2013

Study information

Verified date January 9, 2013
Source National Institutes of Health Clinical Center (CC)
Contact n/a
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

This study will examine the long-term outcome of brain injuries, the effects of treatment on outcome and the effects of brain injury on people s behavior and abilities.

Men and women between 18 and 75 years of age who served in combat in the Iraq war may be eligible for this study. It will compare test results in those who sustained a traumatic penetrating or blast-related brain injury during combat with those who did not.

Participants undergo the following procedures over a 5-day period of testing that lasts about 6 hours a day:

- Medical history and physical examination.

- Blood test for genetic analysis.

- Electroencephalography (EEG) to measure the electrical activity of the brain.

- MRI or CT scans of the brain to look at the structure and blood flow of the brain.

- Functional near-infrared spectroscopy (fNIRS) to monitor blood flow in the front part of the brain blood by measuring changes in near-infrared light.

- Neuropsychological testing, including questionnaires, pen-and-paper or computerized tests, and performance of simple actions to measure brain function, language, memory and other cognitive abilities..


Description:

The Warfighter Head Injury Study (WHIS) is a comprehensive, multidisciplinary research study of head-injured warfighters to be conducted at the National Institutes of Health (NIH) in Bethesda, Maryland. The goals of the WHIS include providing clinicians and scientists with new insights into the short term recovery of function following traumatic brain injury (TBI), the role of the prefrontal cortex (PFC) in executive and social functions, and to identify better predictors of short term outcome (including cognitive, neurological, and genetic factors). With the assistance of the Department of Veterans Affairs/Veterans Health Administration (VA/VHA), we propose to contact all Iraqi-Afghan (IA) warfighters with penetrating head injury (PHI), a cohort of blast injured warfighters, and a group of matched (for time in service, combat exposure, age, gender, and preinjury Armed Services Vocational Aptitude Battery [ASVAB] scores) healthy warfighter controls as well as healthy volunteers with different blast exposures (i.e.: explosives experts, artillery operators, etc ) but no documentation of brain injury. We will inquire about their willingness to participate in a comprehensive, multidisciplinary outpatient evaluation conducted at the NIH. In addition to IA warfighters, we also plan to enroll Vietnam warfighters who were included in the W. F. Caveness Vietnam Head Injury Study (VHIS) Registry, in order to conduct detailed comparisons between groups. These cohorts represent a unique opportunity for study; they were healthy and employed before injury, preinjury intelligence testing is available, and the VA/VHA permits long-term follow-up. We have previously investigated Vietnam warfighters with PHI and the published results of those studies have changed the management and evaluation of head-injured warfighters, and contributed to knowledge of brain function and the long-term effects of head injury. Furthermore, based on the knowledge acquired in our previous research with Vietnam warfighters and our current interests in the functions of the human PFC, cognitive neuroplasticity in the young brain, posttraumatic stress disorder (PTSD), posttraumatic epilepsy (PTE), caregiver stress, and genetic-plasticity relationships, we are proposing a series of new cognitive neuroscience experiments and battery of standardized neuropsychological testing to be conducted during the WHIS. In this effort, the experimental testing will be complemented with structural imaging (magnetic resonance imaging [MRI] or computed tomography [CT]), diffusion tensor and perfusion imaging, electroencephalogram (EEG), near-infrared spectroscopy (NIRS), and molecular genetics evaluations. This combination of unique patients, cutting edge cognitive neuroscience experiments and state of the art techniques will lead to new scientific knowledge and improved clinical management of warfighters with TBI.


Recruitment information / eligibility

Status Terminated
Enrollment 314
Est. completion date January 9, 2013
Est. primary completion date
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years to 75 Years
Eligibility TBI PATIENTS:

We will study up to 320 head-injured IA warfighters (200 PHI and 120 blast injuries), most of whom have served in Operation Iraqi Freedom (OIF) and Operation Enduring Freedom (OEF), and up to 500 who have been included in the VHIS Registry. PHI makes up about 20% of the total TBI from OIF and OEF.

We will ask all WHIS patients to travel to the NIH with their primary caregiver to serve as their Durable Power of Attorney (DPA) (see Section X for more information on the DPA); Caregivers will be asked to complete questionnaires and will execute a separate consent (see Caregiver Consent Form).

Inclusion of active duty military personnel is not essential to this study and can be completed without them, if necessary.

INCLUSION:

- Both sexes will be included, however we expect the cohort to be overwhelmingly (>90%) male,

- Age range18-75;

- At least 6 months post-head injury; or

- Those patients who have previously participated in the VHIS.

EXCLUSION:

-Any medical condition that, in the judgment of investigators, would make participation detrimental to the patient (e.g.: severe clinical depression, unstable heart disease).

CONTROLS:

We will recruit 50 of the VHIS controls, 200 healthy IA warfighter control subjects, with no history of neurologic or serious psychiatric disorder or any other medical condition that would pose a risk from participation (e.g., unstable heart disease) and 120 healthy volunteers with different exposures but no documentation of brain injury. An example of this latter group would include someone who might be employed as a teacher of the proper use of explosive devices (i.e. a trainer from the Bureau of Alcohol, Tobacco and Firearms) and functions well in that position except for an occasional complaint. We will recruit up to a total of 370 normal volunteers.

We will ask all WHIS controls to travel to the NIH with a companion, some one deemed close to them in terms of relationship (i.e.spouse, child, etc.), to serve as control participants for the caregivers of warfighters. Companions will be asked to complete questionnaires and will execute a separate consent (see Caregiver/Companion Consent Form).

INCLUSION:

- Control subjects will be healthy IA warfighter volunteers who are matched to head-injured IA warfighters for time in service, combat exposure, age, gender and preinjury ASVAB scores. All IA warfighter control participants must provide copies of their ASVAB induction testing scores, if applicable; or

- Individuals who have had different blast exposures (e.g., explosives expert) but no documentation of brain injury; or

- Those warfighter controls who have previously participated in the VHIS.

EXCLUSION:

- Neurological or psychiatric conditions as mentioned above;

- History of drug abuse; or

- Unable to travel independently.

CAREGIVERS/COMPANIONS:

We will enroll caregivers and companions (i.e.: family members, domestic partners, etc.) of WHIS Warfighter participants in order to learn more about the potential burden and related issues experienced by this group.

INCLUSION:

- Provides care to a Warfighter or,

- Chosen by a control participant as a close companion; and

- Their Warfighter provides informed consent and agrees to participate in the WHIS project.

EXCLUSION:

- Inability to provide informed consent; or

- No working knowledge of the English language.

Study Design


Related Conditions & MeSH terms


Locations

Country Name City State
United States National Institutes of Health Clinical Center, 9000 Rockville Pike Bethesda Maryland

Sponsors (4)

Lead Sponsor Collaborator
National Institute of Neurological Disorders and Stroke (NINDS) Center for Neuroscience and Regenerative Medicine (CNRM), National Institutes of Health Clinical Center (CC), United States Department of Defense

Country where clinical trial is conducted

United States, 

References & Publications (3)

Abell F, Krams M, Ashburner J, Passingham R, Friston K, Frackowiak R, Happé F, Frith C, Frith U. The neuroanatomy of autism: a voxel-based whole brain analysis of structural scans. Neuroreport. 1999 Jun 3;10(8):1647-51. — View Citation

Adolphs R. Cognitive neuroscience of human social behaviour. Nat Rev Neurosci. 2003 Mar;4(3):165-78. Review. — View Citation

Adolphs R. The neurobiology of social cognition. Curr Opin Neurobiol. 2001 Apr;11(2):231-9. Review. — View Citation

Outcome

Type Measure Description Time frame Safety issue
Primary The effects of focal lesions on neuroplastic changes in cognitive and social functions following combat-related traumatic brain injury
Secondary Genetic influence on neuroplastic changes in cognitive and social functions following combat-related traumatic brain injury
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