Active clinical trials for "Stroke"

The study is a two-center prospective cohort clinical trial. The primary purpose of this trial is to identify the pattern of DKK2 serum levels in ischemic stroke patients after revascularization therapy and determine the correlation between serum DKK2 levels and prognosis.

Approximately a quarter of stroke survivors are of working age, and it is well-known that disabilities caused by stroke can lead to difficulties returning to work. In addition to the economic cost, being out of the workplace due to disability has major psychosocial costs for the individual, causing reduced sense of purpose, quality of life, and standard of living. Communication problems (which can affect reading and writing, as well as producing and understanding speech) are not as visible as other stroke-related problems such as a weak arm or difficulties walking. However, they can cause major problems for returning to work because of the importance of communication across a vast range of work activities, for example as a means to engage with colleagues, to share information in order to solve problems and resolve conflicts, and as a means to ensure health and safety. There has been little research into the effects of communication problems on returning to work after a stroke, so the investigators want to explore this issue. Specifically, the investigators want to find out what helps and what hinders people with communication disorders following a stroke when they attempt to return to work; what information and support is most helpful to them; how this information and support should be given and by whom. The investigators aim to do this by interviewing people across NHS Grampian who have the experience of attempting to return to work with post-stroke communication problems. The investigators will then look at all the interviews together and find the common feelings or experiences that the participants mentioned. The findings will be written up and shared widely with professionals and with stroke survivors. The knowledge gained will help the investigators to plan a programme to help people with these problems to return to work.

In this study, it is aimed to examine the factors that cause knee hyperextension in chronic stroke patients. Although the presence of weakness or spasticity in the quadriceps muscle, weakness or spasticity in the plantar flexors, and weakness of the dorsiflexors, hamstrings and gastrocnemius muscle are shown in the literature as the cause of hyperextension of the affected knee in hemiplegic patients, there is a comprehensive study that shows the effect of both muscle strength and spasticity in the lower extremity muscles. there are no studies. The hypotheses of the study are: Hypothesis 1: H0: There is no relationship between knee hyperextension in the stance phase of gait and lower extremity muscle strength in stroke patients. H1: There is a relationship between knee hyperextension in the stance phase of gait and lower extremity muscle strength in stroke patients. Hypothesis 2; H0: There is no relationship between knee hyperextension in the stance phase of gait and lower extremity spasticity in stroke patients. H1: There is a relationship between knee hyperextension in the stance phase of gait and lower extremity spasticity in stroke patients. Hypothesis 3; H0: There is no relationship between knee hyperextension and electromyographic muscle activations in chronic stroke patients. H1: There is a relationship between knee hyperextension and electromyographic muscle activations in chronic stroke patients.

The purpose of this post-marketing surveillance is to evaluate the effectiveness and safety of GORE® CARDIOFORM Septal Occluder under the post-marketing setting in Japan.

The purpose of this study is to evaluate the efficacy and safety of intravenous doses of 3K3A-APC, a recombinant variant of human activated protein C (APC), in the treatment of acute ischemic stroke following treatment with thrombolysis, mechanical thrombectomy or both.

This is a multicenter, randomized, double-blind, sham-controlled, investigator-initiated clinical study, to evaluate the clinical efficacy and safety of LF-rTMS in rescuing the ischemic penumbra, reducing disability rate and improving functional outcome in patients with acute ischemic stroke receiving early endovascular recanalization (bridging or direct endovascular therapy)

Background: Most patients suffer from post-stroke somatosensory and motor impairments, and 50% to 70% of patients in the chronic stage still have upper extremity impairments that severely limit their functional independence and quality of life. Somatosensory and motor functions are closely related to each other. Previous evidence showed that somatosensory training or stimulation can modulate motor performance and enhance the efficacy of motor training, and motor training has the potential to promote the reorganization of the somatosensory cortex and enhance somatosensory-motor integration. Therefore, combining somatosensory and motor training may optimize the recovery of upper limb function. However, due to the small number of relevant empirical studies and the low quality of evidence, the effects and neural mechanisms of combined somatosensory and motor training compared with pure somatosensory training or pure motor training are still unknown or uncertain. Purposes: This project will compare the immediate and long-term effects of somatosensory-motor integration training, pure motor training, and pure somatosensory training on the somatosensory and motor functions of patients with chronic stroke, and will investigate the neural mechanisms of somatosensory-motor recovery using neuroimaging and neurophysiological techniques. Research methods: A single-blind (assessor-blinded) randomized controlled trial design will be used in this three-year project. A sample of 153 patients with chronic stroke will be recruited, and subjects who meet the selection criteria will undergo a baseline assessment and then be randomly assigned in stratified blocks to either the somatosensory-motor integration training group, pure somatosensory training group or pure motor training group. Subjects will receive three to five 60-minute sessions per week for a total of 15 sessions, followed by post-intervention (immediate effect) and three-month follow-up (long-term effect) assessments. Outcome measures will include neuroimaging (functional near-infrared spectroscopy.), and clinical scales (somatosensory function, motor function, upper extremity function, real life functional upper extremity performance., daily activities, and quality of life). The data will be analyzed using intention-to-treat analysis. The treatment effects within each group will be determined by paired t tests. The difference in effects among the three groups will be analyzed by analyses of covariate. Multiple linear regressions will also be used to explore the factors affecting the recovery of somatosensory and motor functions. Expected results and contributions: The researchers expect that somatosensory-motor integration training, pure somatosensory training and pure motor training can all effectively improve the somatosensory and motor functions of patients with stroke. Among the three groups, somatosensory-motor integration training will show the greatest improvement in upper extremity function. The results of this project will provide empirical evidence on the effects and neural mechanisms of somatosensory-motor integration training, which will help clinicians select appropriate treatment strategies, facilitate clinical reasoning, and predict the recovery potential of somatosensory-motor function based on patient characteristics.

The objective of this trial is to compare two different commercially available left atrial appendage occlusion (LAAO) devices in patients with non-valvular Atrial fibrillation/ atrial flutter (AF) at increased risk for stroke with regard to safety and efficacy. The investigators hypothesize that LAAO using the LAmbre occlusion device (Lifetech Scientific, Shenzhen, China) is non-inferior to LAAO using the AMPLATZER Amulet occlusion device (Abbott Medical, Chicago, ILL, USA) with regards to the primary endpoint, which is peri-device leak (PDL) size 3 months after LAAO, as assessed with transesophageal echocardiography (TOE) in patients with non-valvular AF.

The objective of this study is to evaluate the efficacy of the COOLSTAT® Transnasal Thermal Regulating Device in reducing temperature in a population of febrile subjects who meet the inclusion/exclusion criteria.

In stroke patients, mechanical thrombectomy is now the standard of care when the stroke is due to large proximal cerebral vessel occlusion. The purpose of the 2BE3 trial is to test whether adjunct rescue treatment of persisting distal occlusions after successful proximal recanalization of the large vessel occlusion can be proposed as an additional intervention to restore reperfusion of affected stroke tissue and improve clinical outcomes. The rescue therapies will be either mechanical (small stent retrievers and/or small aspiration catheters) or pharmacological (infusion of intra-arterial thrombolytics). Patients will be randomized to conservative management (mechanical thrombectomy with or without IV thrombolytics of large proximal vessels) or rescue therapy (mechanical or pharmacological interventions in distal vessels in addition to conservative management). Each patient will be followed for 3 months post-intervention. The data collected will be clinical assessments and angiographic imaging to evaluate the reperfusion state.