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Home > "E" Clinical Trials Conditions > E-Selectin Nasal Spray to Prevent Stroke Recurrence  E-Selectin Nasal Spray to Prevent Stroke Recurrence
E-Selectin Nasal Spray to Prevent Stroke Recurrence
For Condition: Transient Ischemic Attack,Cerebrovascular Accident
Status: Completed
Sponsor(s): National Institute of Neurological Disorders and Stroke (NINDS) ,
Synopsis: This study will test the safety and effectiveness of a protein called E-selectin, given as a nasal spray, in preventing the formation of blood clots that can cause stroke. In animal studies, animals that received E-selectin in the nose on a regular schedule had almost no strokes compared with those that did not receive it. Patients over age 45 who have had a stroke or transient ischemic attack (TIA) within 1 to 4 months of this study may be eligible to participate. Candidates will be screened with a review of their past medical records and neurologic and medical evaluations that may include magnetic resonance imaging (MRI) of the brain, ultrasound or magnetic resonance angiography (a type of MRI) of the carotid arteries (arteries in the neck that supply blood to the brain), echocardiography (ultrasound test of the heart), electrocardiography (EKG) and blood tests. Participants will have a blood and urine test and will be assigned to one of four treatment groups. Patients in each group will spray a small amount of fluid into their nose according to the following schedule: 5 doses once every other day for 10-days, followed in 3 weeks by another 5 doses every other day for 10-days, followed in 3 weeks by a final series of 5 doses every other day for 10 days. The spray for patients in each group contains the following: - Group 1 - fluid with low dose of E-selectin - Group 2 - fluid with medium dose of E-selectin - Group 3 - fluid with high dose of E-selectin - Group 4 - fluid with no E-selectin Patients will be seen for follow-up visits at 1 month and 3 months after starting E-selectin therapy. The visits will include a neurologic examination and blood and urine tests. Patients will be contacted by phone, fax or e-mail in between the 1- and 3-month visits.
Details: In the United States, stroke is the third leading cause of death and the leading cause of disability. Despite the success of recent clinical trials of antithrombotic drugs for the secondary prevention of stroke, annually about 10% of patients with recent cerebrovascular accidents have recurrent strokes. The development of new treatment strategies for the secondary prevention of stroke is an important issue for modern medicine. There is increasing evidence that inflammation at the sites of endothelial activation plays an important role in the pathogenesis of stroke. Control of molecular inflammation at the sites of endothelial activation can be achieved by induction of mucosal tolerance. The induction of mucosal tolerance with repeated, low-dose, intranasal administration of antigen causes a shift of immune response from proinflammatory T(H)1 type to anti-inflammatory T(H)2 type at the sites of inflammation. E-selectin is an adhesion molecule expressed only on activated endothelium in response to proinflammatory cytokines. The major goal of proposed study is to test whether repeated administration of low-dose, intranasal E-selectin can induce mucosal tolerance to this compound causing a shift of immune response from T(H)1 to T(H)2 type in patients with recent stroke or TIA, and secondly to evaluate the safety and tolerability of this strategy for the secondary prevention of stroke.
Eligibility:
Study Type: Interventional, Treatment, Safety/Efficacy
Minimum Age/Maximum Age: /
Genders: Both
Protocol Entry Criteria: INCLUSION CRITERIA: Patients with recent (greater than 30 and less than 120 days) stroke or TIA over the age of 45 years are eligible for the current study. Patients must be on at least one antithrombotic medication (coumadin, aspirin, ticlopidine, clopidogrel, aspirin+dypyridamole). Patients are allowed to be on cholesterol lowering (simvastatin, pravastatin, atrovastatin), antihypertensive (beta blockers, ACE inhibitors, Ca+ channel blockers, diuretics), antidiabetic, and non-steroidal anti-inflammatory medication. Patients treated with t-PA in an acute phase of stroke are eligible for the trial. Males and females of childbearing potential must be on an adequate form of birth control. All patients will have (or have recently had) brain (CT or MRI), neurovascular (ultrasound or MRA), and cardiac (transthoracic echocardiography) imaging, as well as EKG, fasting blood surgar, lipid profile, serum homocysteine and coagulogram. EXCLUSION CRITERIA: Age less than 45 years. Intracranial or extracranial dissection, Moya Moya disease, vasculitis, radiation-induced vasculopathy, fibromuscular displasia, venous thrombosis. Immunosuppressive medication including: prednisone, cyclophosphmide, cyclosporine, methotrexate, azathioprine, mycophenolate mofetil, anti-CD3 moab (Othoclone OKT3), takrolimus (FK506), sirolimus, anti-IL2r moab (simulect, zenapax), thymoglobulin, thalidomide. Known autoimmune diseases (RA, LE, MS, Myasthenia Gravis, etc,). Cancer and lymphoproliferative diseases. Thrombocytopenia (platelets less than 100,000). HIV and other known immunodeficiencies. Recent major surgery (within one month). Systemic infections, or severe focal infections. Alcohol or substance abuse. Dementia or psychiatric problems (determined by examination, mini-mental status test and consent interview) that prevent the patient from providing informed consent or following an outpatient program reliably. A severe neurological deficit that renders the patient incapable of living independently. Pregnancy. Chronic rhinopathy. Chronic sinusitis.
Total Enrollment: 60
Location and Contact Information:
National Institute of Neurological Disorders and Stroke (NINDS)
Bethesda, Maryland, 20892
United States
Additional Information:
Study ID Numbers: 010110; 01-N-0110
Study Start Date: March 6, 2001
Record last reviewed: February 17, 2004
Additional information available at: clinicaltrials.gov
Clinicaltrials.gov Reference link: NCT00012454
Other Cerebrovascular Accident Studies:
1. E-Selectin Nasal Spray to Prevent Stroke Recurrence
2. Western Collaborative Group Study (WCGS): 25-Year Follow-up of Cardiovascular Disease Morbidity and Mortality
3. A Study to Evaluate the Effects of ONO-2506 Intravenous Infusion in Patients with Acute Ischemic Stroke
4. Infection and Cardiovascular Disease
5. Preliminary Study of Transcranial Magnetic Stimulation for Stroke Rehabilitation
Related Studies:
Other Cerebrovascular Accident Clinical Trials
Other Maryland Clinical Trials
Other Bethesda Clinical Trials
E-Selectin Nasal Spray to Prevent Stroke Recurrence
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