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Traumatic Brain Injury and Effects of Acute Cyclosporine A

2015-07-15 10:53:24 | BioPortfolio

Summary

This is a prospective, randomized, placebo-controlled study about Cyclosporine A (CSP) and traumatic brain injury (TBI). Cyclosporine A is a drug already marketed and available for other diseases, but is not approved by the Food and Drug Administration for treatment of traumatic brain injury. The effect of Cyclosporine A on chemicals produced following brain injury is being determined using doses no larger than those used for patients having organ transplant. It is also being given for a much shorter time period (3 days). It is not know if side effects seen in patients taking cyclosporine A will occur when it is given for only 3 days. It is not known if patients with brain injury that are treated with cyclosporine A will have side effects like those seen in organ transplant patients.

Description

The purpose of this research study is to measure the chemicals produced by the brain after it is injured and also if Cyclosporine A treatment changes these chemicals. By doing this study, the investigators hope to learn if cyclosporine A therapy helps patients with this injury.

The research procedures will happen at the University of Kentucky (UK) Chandler Medical Center. The study will last for the first 7 days while the participant is admitted to UK Medical Center, or until they are released. Participants will not be asked to stay longer in the hospital for this research study.

Participants in this study will receive all therapies currently available for treatment of severe brain injury. Each participant will be assigned randomly (by chance) to either placebo (a substance without active drug) or cyclosporine A treatment. Neither the participant nor any of the study personnel will know what study treatment has been assigned to the participant.

If assigned to the cyclosporine A treatment group (study drug) participants will be continuously administered the study drug through a tube placed into the vein. A placebo will be given to participants assigned to the placebo group.

Blood and cerebrospinal fluid will be collected at the following time points (12, 24, 36, 48, 60 and 72 hours) for research purposes. These tests will help us understand the participant's ability to make red and white blood cells to fight infection, how well their kidneys function, how well their liver functions, and triglyceride/cholesterol levels.

Cerebrospinal fluid will only be collected from participants who have a drain catheter placed as part of their routine care.

Daily blood collections will occur so the investigators can measure how much of the study drug is present, to assess the body chemicals from the brain and also for safety. Blood samples will be collected by using an already placed line through a vein or artery, or by puncturing the skin with a needle. The chemicals will be measured daily in the urine and also any fluid draining from the line placed into the head for medical management for up to 7 days.

Any unexpected events (side effects) possibly caused by cyclosporine A will be noted and medically managed by the physician. The investigators will be notified when there is need for intervention.

After up to three days of continuous dosing, the study drug will be stopped, but the participant will continue to be carefully monitored for up to 7 days, or until they are released.

Participants will receive the usual treatment for severe traumatic brain injury in addition to receiving the cyclosporine A treatment or placebo.

Study Design

Allocation: Randomized, Endpoint Classification: Pharmacokinetics/Dynamics Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Investigator), Primary Purpose: Treatment

Conditions

Traumatic Brain Injury

Intervention

Cyclosporine A, Placebo

Location

University of Kentucky Medical Center
Lexington
Kentucky
United States
40536

Status

Active, not recruiting

Source

University of Kentucky

Results (where available)

View Results

Links

Published on BioPortfolio: 2015-07-15T10:53:24-0400

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Prolonged unconsciousness from which the individual cannot be aroused, associated with traumatic injuries to the BRAIN. This may be defined as unconsciousness persisting for 6 hours or longer. Coma results from injury to both cerebral hemispheres or the RETICULAR FORMATION of the BRAIN STEM. Contributing mechanisms include DIFFUSE AXONAL INJURY and BRAIN EDEMA. (From J Neurotrauma 1997 Oct;14(10):699-713)

A form of acquired brain injury which occurs when a sudden trauma causes damage to the brain.

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Traumatic injuries to the cranium where the integrity of the skull is not compromised and no bone fragments or other objects penetrate the skull and dura mater. This frequently results in mechanical injury being transmitted to intracranial structures which may produce traumatic brain injuries, hemorrhage, or cranial nerve injury. (From Rowland, Merritt's Textbook of Neurology, 9th ed, p417)

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