Ischemic Stroke Clinical Trials

This is a prospective, multi-center, randomized effectiveness trial of the CardioGard Embolic Protection Cannula in high-risk valve surgery patients. Read Less

Pilot, randomized, non-blinded clinical trial to generate preliminary data to evaluate the impact of the OsciPulse system on serum d-dimer levels compared to standard of care intermittent compression therapy for DVT prophylaxis in patients admitted in the neuro ICU or intermediate neurological care unit with acute ischemic stroke. Read Less

STEP is a Randomized, Multifactorial, Adaptive Platform trial that seeks to optimize the care of patients with acute ischemic stroke (AIS) due to large (LVO) or medium vessel occlusions (MVO). Read Less

Cerebral small vessel disease (CSVD) can lead to vascular cognitive impairment and dementia (VCID). The hallmark of CSVD is the appearance and progression of white matter hyperintensities (WMH) on MRI. The goal of this study it to recruit and follow individuals at risk for WMH progression and use serial MRI scanning to gain insights into the pathogenesis of CSVD. Read Less

The purpose of this research study is to test an experimental procedure called intra-arterial delivery of verapamil in patients diagnosed with acute ischemic stroke. This study investigates the safety of intra-arterial delivery of verapamil, a drug used to treat vasospasm (spasm of a blood vessel), and how it affects recovery from stroke. Recruitment is limited to patients that have received mechanical thrombectomy as standard of care. Read Less

This is a multicenter study that will be conducted at approximately 20 centers and up to 30 centers, if the sample size will be increased following interim assessment. The Q Therapeutic System (BQ 3.0) is a wearable medical device that produces and delivers non-invasive, extremely-low-intensity and low-frequency, frequency-tuned electromagnetic fields in order to stimulate neuronal networks with the aim of reducing disability and promoting neurorecovery. The Q Therapeutic System (BQ 3.0) is indicated for adjunctive use in a clinical facility or home setting, in addition to standard-of-care therapies. * In Stage 1 (starting 4-21 days after the index stroke event to day 90 post stroke), participants will be randomly assigned (1:1) to receive either active or the sham treatments, up to 5 times a week, and at least to a total of 45 treatments. * In Stage 2 (day 90 to day 180 post stroke), participants in both the active and the control group will be allowed to continue to receive active treatments, up to 5 times per week. * In stage 3 (day 180 to day 270 post stroke), participants will not receive any treatments and would be followed up until the final visit at day 270. Each session will last approximately 60 minutes, with stimulation activated for up to 40 minutes, in conjunction with a home-based exercise program. Treatments may be administered in the hospital, in the clinic or in a home setting. The study will enroll 100-122 adult subjects who will be randomly assigned (1:1 allocation ratio) to either active or sham study intervention using the BQ 3.0 system. Read Less

This is an observational study in neurocritical care units at University of California San Francisco Medical Center (UCSFMC), Zuckerberg San Francisco General Hospital (ZSFGH), UC Davis, and Emory University. In this study, the investigators will primarily use the monitor mode of the Transcranial Doppler (TCD, non-invasive FDA approved device) to record cerebral blood flow velocity (CBFV) signals from the Middle Cerebral Artery and Internal Carotid Artery. TCD data and intracranial pressure (ICP) data will be collected in the following four scenarios. Each recording is up to 60 minutes in length. Multimodality high-resolution physiological signals will be collected from brain injured patients: traumatic brain injury, subarachnoid and intracerebral hemorrhage, liver failure, and ischemic stroke. This is not a hypothesis-driven study but rather a signal database development project with a goal to collect multimodality brain monitoring data to support development and validation of algorithms that will be useful for future brain monitoring devices. In particular, the collected data will be used to support: Development and validation of noninvasive intracranial pressure (nICP) algorithms. Development and validation of continuous monitoring of neurovascular coupling state for brain injury patients Development and validation of noninvasive approaches of detecting elevated ICP state. Development and validation of approaches to determine most likely causes of ICP elevation. Development and validation of approaches to detect acute cerebral hemodynamic response to various neurovascular procedures. Read Less

The objective of the DISTALS Study is to evaluate the safety and effectiveness of the Tigertriever 13 Revascularization Device in restoring blood flow in the neurovasculature by removing thrombus in patients presenting within 24 hours of onset with an ischemic stroke with disabling neurological deficits due to a primary distal vessel occlusion (DVO), as compared to medical management. Read Less

The overall goal of the DISCOVERY study is to better understand what factors contribute to changes in cognitive (i.e., thinking and memory) abilities in patients who experienced a stroke. The purpose of the study is to help doctors identify patients at risk for dementia (decline in memory, thinking and other mental abilities that significantly affects daily functioning) after their stroke so that future treatments may be developed to improve outcomes in stroke patients. For this study, a "stroke" is defined as either (1) an acute ischemic stroke (AIS, or blood clot in the brain), (2) an intracerebral hemorrhage (ICH, or bleeding in the brain), (3) or an aneurysmal subarachnoid hemorrhage (aSAH, or bleeding around the brain caused by an abnormal bulge in a blood vessel that bursts). The investigators hypothesize that: 1. The size, type and location of the stroke play an important role in recovery of thinking and memory abilities after stroke, and pre-existing indicators of brain health further determine the extent of this recovery. 2. Specific stroke events occurring in individuals with underlying genetic or biological risk factors can cause further declines in brain heath, leading to changes in thinking and memory abilities after stroke. 3. Studying thinking and memory alongside brain imaging and blood samples in patients who have had a stroke allows for earlier identification of declining brain health and development of individualized treatment plans to improve patient outcomes in the future. Read Less

The purpose of this study is to determine whether a non-invasive brain stimulation technique, transcranial direct current stimulation (tDCS), combined with traditional cognitive therapy will improve cognitive function in patients with subacute stroke. Read Less

The purpose of this study is to create a state-wide biorepository and resource center for cerebrovascular diseases in Florida, which will include collecting medical history information and blood from subjects affected by cerebrovascular disease. The information and blood samples collected may be used in future research for the study of cerebrovascular disease and to learn about, prevent or treat other health problems. Read Less

The purpose of this study is to build upon trials done over 30 years ago, which did not include statins, new antiplatelet agents, and newer antihypertensive medications. Since the landmark trials (NASCET, ECST), there have been new developments in medical stroke prevention, which creates a gap in knowledge. The aim of this study is to evaluate that clinical care with Intensive Medical Therapy (IMT) alone, the one year stroke rate in patients with symptomatic carotid stenosis and low risk clinical features will be \<5%. Read Less