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Stroke clinical trials

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NCT ID: NCT03339193 Withdrawn - Stroke Clinical Trials

Procedure RElated Outcomes With the Watchman FLX Left Atrial Appendage Closure Device

Start date: January 2016
Phase: N/A
Study type: Observational [Patient Registry]

This study is a single-centre prospective post-market approval of the early experience with the Watchman FLX device for left atrial appendage closure in patients with atrial fibrillation at high risk of thromboembolic stroke and with contraindications to long-term oral antocoagulation therapy.

NCT ID: NCT03268070 Withdrawn - Stroke Clinical Trials

Transcranial Magnetic Stimulation in Stroke Motor Rehabilitation Treatment

Start date: March 2018
Phase: N/A
Study type: Interventional

The goal of the study is to determine the effect of repetitive transcranial magnetic stimulation (rTMS) over the premotor cortex on training-related improvements in motor performance and associated neural plasticity.

NCT ID: NCT03176420 Withdrawn - Stroke Clinical Trials

Endovascular Revascularization of Symptomatic Chronically Occluded Internal Carotid Artery

Start date: June 1, 2017
Phase: N/A
Study type: Interventional

Ischemic stroke is the fourth leading cause of disability and mortality in the United States. The overall risk of emboli detachment from a chronically occluded internal carotid artery (COICA) is around 7% per year. Despite receiving the best available medical therapy, about 6% to 24% of these patients will subsequently suffer transient or permanent ischemic complications annually. This has been theoretically attributed to a cerebrovascular hemodynamic impairment. The management of chronic or subacute internal carotid artery (ICA) occlusions has been challenging clinically. Carotid endarterectomy and superficial temporal artery to middle cerebral artery bypass have been studied in high risk stroke patients with results showing no benefits in symptomatic COICA patients. Consequently, some centers have employed angioplasty and stenting for the management of these challenging lesions. The main concern with the endovascular treatment of COICA patients is the significant risk of perioperative complications such as distal embolization, vessel perforation, pseudoaneurysm formation, vessel dissection, fistula formation, and hyperperfusion syndrome. In this report, we propose for the first time a COICA classification, which could offer the interventionalist a guide of the technical feasibility and safety of endovascular recanalization of symptomatic COICA. We will assess the success of this classification in predicting endovascular recanalization of symptomatic COICA in a single -institution pilot study.

NCT ID: NCT02954211 Withdrawn - Stroke Clinical Trials

rTMS and Physical Therapy as a Clinical Service for People With Stroke

Start date: December 2016
Phase: N/A
Study type: Interventional

The purpose of this study is to determine the characteristics that distinguish responders from nonresponders in people with stroke receiving rTMS combined with physical therapy to improve hand function. Investigators hypothesize that those who improve the most will be characterized by larger evoked brain signals in the stroke hemisphere and lower scores on the Beck Depression Inventory indicating less depression. Medications, sex, age, type of stroke, location of stroke, duration of stroke and baseline hand function will also be compared.

NCT ID: NCT02925507 Withdrawn - Stroke Clinical Trials

Computerized Acoustic Swallowing Evaluation

Start date: October 2016
Phase: N/A
Study type: Observational

It is the purpose of this study to determine if a commercially available electronic stethoscope synchronized with an smart phone or iPad application can be used as an accurate and objective screening tool for measuring dysphagia. The investigators plan to do so in two phases; in Phase I the investigators will recruit normal subjects to establish normal swallowing patterns, as well as optimal sensor placement; and in Phase II the investigators will compare the recordings obtained by the electronic stethoscope with those obtained using videofluoroscopy.

NCT ID: NCT02917850 Withdrawn - Stroke Clinical Trials

Impact of Hip Flexors Isokinetic Strengthening on Gait Capacities in Subacute Stroke Patients

Start date: August 2016
Phase: N/A
Study type: Interventional

Post-stroke patients often present with gait disorders due to several physical impairments. Hip flexor deficit is one of the more prevalent trouble and is associated with gait capacities. This study aims at evaluating the impact of an isokinetic hip flexors strengthening rehabilitation program in the subacute phase after stroke. Patients will be randomized to an intervention group (isokinetic rehabilitation) or a control group (conventional rehabilitation) and assessed at the end of the rehabilitation program, at 3 and at 6 months.

NCT ID: NCT02907736 Withdrawn - Acute Stroke Clinical Trials

Impact of Neutrophil Extracellular Traps on Tissue Plasminogen Activator Induced Thrombolysis in Acute Ischemic Stroke Patients

Start date: November 12, 2015
Study type: Observational

Acute Ischemic stroke (AIS) remains a leading cause of adult disability, cognitive impairment and mortality worldwide despite the development of revascularization therapies (intravenous Tissue Plasminogen Activator (t-PA) and endovascular therapy). Thrombosis resistance after IV t-PA therapy is frequent especially in case of AIS with proximal occlusion. In recent years, neutrophil extracellular traps (NETs) have been identified as major triggers and structural factors of various forms of thrombosis. NETs are extracellular webs primarily composed of DNA from neutrophils. A recent study shows that the NETs burden in coronary thrombi is positively correlated with the infarct size and negatively correlated with electrocardiogram (ST-segment) resolution. This later study revealed that in vitro addition of DNase I accelerated the t-PA-induced thrombolysis of coronary thrombi. NETs could, in consequence, be promising targets for improved thrombolysis in AIS. The aim of this study is to assess the impact of NETs composition of thrombi retrieved during endovascular therapy in AIS patients on IV t-PA induced thrombolysis, clinical outcome and AIS etiologies.

NCT ID: NCT02885545 Withdrawn - Clinical trials for Chronic Kidney Disease

The Strategy to Prevent Hemorrhage Associated With Anticoagulation in Renal Disease Management (STOP HARM) Trial

Start date: September 2016
Phase: Phase 4
Study type: Interventional

Patients with severe chronic kidney disease (CKD) who develop atrial fibrillation are at high risk for stroke. The use of blood thinking medication in dialysis patients is controversial and warfarin carries a serious risk for major bleeding. The Watchman device may be an ideal therapy for this population as after implantation it allows for the discontinuation of blood thinners, thereby reducing the risk of bleeding.

NCT ID: NCT02849613 Withdrawn - Stroke Clinical Trials

Regenerative Stem Cell Therapy for Stroke in Europe

Start date: March 2016
Phase: Phase 2/Phase 3
Study type: Interventional

Stroke is the second leading cause of death in the world population. When not fatal, stroke often results in disability, and secondary health problems affecting not only patients but also their families. Building on emerging preclinical and pilot clinical evidences, RESSTORE will focus on the clinical assessment of regenerative cell therapy to improve stroke recovery and patients quality of life.

NCT ID: NCT02824900 Withdrawn - Stroke Clinical Trials

Vibration Stimuli in Stroke Patients With Contraversive Pusher Syndrome

Start date: July 2016
Phase: N/A
Study type: Interventional

The purpose of this study is to investigate the effects of vibration stimuli to contra lateral neck muscles on Contraversive Pusher Syndrome, function and neglect in stroke patients.