Using Propranolol in Traumatic Brain Injury to Reduce Sympathetic Storm

Status Completed

Clinical Trial Summary

Traumatic Brain Injury (TBI) is one of the leading causes of death. Severe TBT is correlated with an exaggerated stress response due to plasma catecholamine levels known as sympathetic storming. It is also autonomic dysfunction syndrome. This phenomenon is also associated with brain tumors, severe hydrocephalus and subarachnoid hemorrhage. Patients are presented by tachycardia, tachypnea hypertension, diaphoresis, dystonia, hyperthermia, and dilated pupils with elevated levels of plasma catecholamine and blood glucose .

Clinical Trial Description

The sympathetic storming events can be triggered by suctioning, repositioning, or environmental stimuli. To differentiate sympathetic storming from similar conditions, symptoms and signs have to occur in TBI patients a minimum of 1 cycle per day for 3 consecutive days (body temperature of 38.5 °C or more, heart rate at least 120 beat / min, systolic blood pressure > 140 mmHg, respiratory rate > 20 breaths / min, in presence of dystonia, diaphoresis, agitation and laboratory investigations confirm elevated serum catecholamines. Beta blockers has a cardio protective effect via lowering heart rate, stroke volume and mean arterial blood pressure which limits myocardial O2 consumptions and guards against myocardial infarction. They also have neuron protective effects via reducing cerebral blood flow thus lowering O2 and glucose consumption as cerebral metabolism is reduced. Propranolol a nonselective B receptor antagonists works on β1 receptors in brain, heart, and kidney and β 2 receptors in lungs, liver, skeletal muscles, eye and arterioles.We suppose that using Beta - adrenergic receptor blockers as propranolol blunts the sympathetic storming phenomenon as it is a nonselective β inhibitor and has a lipophilic property which enables it to penetrate blood brain barrier. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT03401515
Study type	Interventional
Source	Ain Shams University
Contact
Status	Completed
Phase	Phase 4
Start date	October 1, 2016
Completion date	August 1, 2017

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Using Propranolol in Traumatic Brain Injury to Reduce Sympathetic Storm Phenomenon

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms