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This randomized controlled trial investigates the effect of a single dose of glucagon-like peptide-1 (GLP-1) receptor agonist in the subacute phase of stroke in humans. The primary endpoint is the mean flow velocity in the middle cerebral arteries measured by transcranial doppler. The secondary endpoints are changes in endothelial/inflammatory biomarkers in the blood, changes in the ancle-brachial index and changes in the reactive hyperaemia index measured by EndoPAT2000.
Glucagon-like peptide 1 (GLP-1) receptor agonists are widely used in the treatment of type 2 diabetes because of their ability to mimic the incretin hormone, GLP-1. GLP-1 increases glucose-dependent insulin secretion and thereby reduces the glucose level. Over the past few years, GLP-1 receptor agonists have been investigated as possible therapies for neurological disorders, due to their ability to cross the blood-brain-barrier. Evidence of the treatment of cerebrovascular diseases has been growing especially in animal stroke models. GLP-1 receptors, which are located in the CNS on neurons and endothelium, are upregulated in the brain due to ischemia. GLP-1 receptor agonists have shown anti-inflammatory and anti-apoptotic properties, and they may protect the cell from oxidative stress and may protect the endothelium. The inner lining of blood vessels, the endothelium, is an active component of the endocrine function. It affects the formation of blood clots and plays a role in the disease mechanisms of stroke. The current acute and prophylactic treatments of stroke mainly target platelet fuction, but not endothelial function.
This double-blinded, randomized, controlled, pilot trial investigates the effect of a single dose of the GLP-1 receptor agonist, exenatide, on cerebral blood flow velocity in the subacute phase of stroke in humans. The primary endpoint is the mean flow velocity in the middle cerebral arteries measured by transcranial doppler. The secondary endpoints are the effects on the peripheral endothelium, hereby: 1) changes in the reactive hyperaemia index measured by EndoPAT2000, 2) changes in the ancle-brachial index, and 3) changes in endothelial/inflammatory biomarkers in the blood. The primary and secondary endpoints are measured before and up till three hours after administration of exenatide.
The overall hypothesis is that GLP-1 receptor agonists may represent a novel potential neuroprotective treatment in stroke. Parallel to this study we investigate the effect of GLP-1 receptor agonist on people free of cerebrovascular diseases (ref. to EGRABINS1).
Allocation: Randomized, Endpoint Classification: Pharmacodynamics Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Treatment
Not yet recruiting
Published on BioPortfolio: 2016-07-13T00:08:21-0400
Ischemic stroke accounts for the majority of stroke cases and constitutes a major cause of death and disability in industrial world. Inflammation has been reported to constitute a major co...
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An international cluster-randomized quality improvement trial to increase the adherence to evidence-based therapies for acute ischemic stroke and transient ischemic attack patients: Rationale and design of the BRIDGE STROKE Trial.
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The application of repeated, brief periods of vascular occlusion at the onset of REPERFUSION to reduce REPERFUSION INJURY that follows a prolonged ischemic event. The techniques are similar to ISCHEMIC PRECONDITIONING but the time of application is after the ischemic event instead of before.
A drug combination of aspirin and dipyridamole that functions as a PLATELET AGGREGATION INHIBITOR, used to prevent THROMBOSIS and STROKE in TRANSIENT ISCHEMIC ATTACK patients.
Ischemic injury to the OPTIC NERVE which usually affects the OPTIC DISK (optic neuropathy, anterior ischemic) and less frequently the retrobulbar portion of the nerve (optic neuropathy, posterior ischemic). The injury results from occlusion of arterial blood supply which may result from TEMPORAL ARTERITIS; ATHEROSCLEROSIS; COLLAGEN DISEASES; EMBOLISM; DIABETES MELLITUS; and other conditions. The disease primarily occurs in the sixth decade or later and presents with the sudden onset of painless and usually severe monocular visual loss. Anterior ischemic optic neuropathy also features optic disk edema with microhemorrhages. The optic disk appears normal in posterior ischemic optic neuropathy. (Glaser, Neuro-Ophthalmology, 2nd ed, p135)
Restoration of functions to the maximum degree possible in a person or persons suffering from a stroke.
Restoration of blood supply to tissue which is ischemic due to decrease in normal blood supply. The decrease may result from any source including atherosclerotic obstruction, narrowing of the artery, or surgical clamping. It is primarily a procedure for treating infarction or other ischemia, by enabling viable ischemic tissue to recover, thus limiting further necrosis. However, it is thought that reperfusion can itself further damage the ischemic tissue, causing REPERFUSION INJURY.
Neurology - Central Nervous System (CNS)
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Endocrine disorders are grouped into two categories: hormone imbalance - when a gland produces too much or too little of an endocrine hormone development of lesions (such as nodules or tumors) in the endocrine system, which may or may not affect...