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Stroke, Ischemic clinical trials

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NCT ID: NCT03558659 Not yet recruiting - Clinical trials for Obstructive Sleep Apnea

Positional Therapy to Treat Obstructive Sleep Apnea in Stroke Patients

Start date: June 5, 2018
Phase: N/A
Study type: Interventional

Obstructive sleep apnea (OSA) has been found to be very common in stroke patients. Obstructive sleep apnea has been found to impede stroke rehabilitation and recovery. However, currently, there are few treatment options for OSA in stroke patients. Continuous positive airway pressure (CPAP) is the current therapy commonly used for OSA in the general population, however stroke patients are not highly compliant with this device. Therefore, we have decided to propose a more feasible alternative to treating obstructive sleep apnea through positional therapy. Positional therapy involves using a device to prevent patients from sleeping on their backs, since this position has been found to exacerbate obstructive sleep apnea. Therefore, we hypothesize that stroke patients who use the positional therapy belt will experience improvements in the severity of OSA.

NCT ID: NCT03552354 Recruiting - Stroke, Ischemic Clinical Trials

Argatroban Combined With Antiplatelet Versus Antiplatelet for Acute Ischemic Stroke

Start date: October 25, 2017
Phase: Phase 4
Study type: Interventional

Intravenous thrombolysis is considered as the first choice for ischemic stroke. In the recent years, endovascular therapy is demonstrated to be effective to treat ischemic with big vessel occlusion. However, only a minority of patients can get intravenous thrombolysis or endovascular therapy due to the restricted time window and strict indications. Dual antiplatelet has been demonstrated to be effective in the patients with high risk of TIA or minor ischemic stroke (NIHSS<4). But there is still stroke progression although dual antiplatelet. The ischemic stroke patients with NIHSS > 3 has been recommended to give aspirin in most guidelines. Of those patients, mild to moderate stroke patients (3<NIHSS<10) will result in the poor outcomes if the progression occurs. In addition, large artery atherosclerosis (LAA) stroke is prone to progress. So, we argue that the mild to moderate stroke with LAA should be give more intensive antiplatelet. In the present study, argatroban combined with antiplatelet therapy (3-5 days) is used to treat the proposed patients to investigate the safety and effectiveness.

NCT ID: NCT03530358 Recruiting - Rehabilitation Clinical Trials

MOdularity for SEnsory Motor Control

MOSE
Start date: December 1, 2014
Phase: N/A
Study type: Interventional

For this project the investigators ask, how the activation and organization of muscle synergies may be disrupted by brain lesions, and whether it is possible to modify synergy activations by means of specific therapies. Will be investigated whether there is a relationship between post-stroke cortical plasticity and changes in synergy activations due to a therapy.

NCT ID: NCT03524742 Not yet recruiting - Stroke, Acute Clinical Trials

Effects of an Avocado Based meDiterranean Diet on Serum Lipids for Secondary Prevention After Ischemic StrokE Trial

ADD-SPISE
Start date: August 1, 2018
Phase: N/A
Study type: Interventional

Recent global burden of disease analysis of DALYs, showed that dietary risk have the highest DALYs in ischemic stroke among behavioral risk factors. The MediDiet is associated with a decreased risk of total mortality as well as stroke incidence and mortality. Although not part of the classical Mediterranean diet they are another nutrient-dense source of MUFA, rich in vitamins, minerals, fiber, phytosterols and polyphenols extensively consumed in the Americas. Avocado-substituted diets significantly decrease cholesterol levels in diabetic and obese patients. Secondary stroke prevention studies with diet as an intervention are lacking and there is little information of what patients eat before or after an ischemic stroke. Lowering Low Density Cholesterol (LDL-C) levels decreases stroke recurrence. The aim is to determine the effect of a Mediterranean style diet based on Avocados on lipid profile particularly LDL-C in patients who have had an ischemic stroke and are at high recurrence risk.Methodology: Academic, open-label, blinded outcome assessment (PROBE design), clinical trial. Participants will be patients with an acute ischemic stroke admitted to Clínica Alemana de Santiago, who fulfills the eligibility criteria. Eligible patients will be randomly assigned to either diet intervention in a 1:1 ratio. The interventions will be: A) Avocado based Mediterranean diet with intake of ½ portion of a Hass avocado per day and B) Standard recommendation of low fat-high complex carbohydrate diet recommended by the National Cholesterol Education Program and the American Heart Association. The main efficacy outcome will be the level of plasma LDL-C level at 3 months of the dietary intervention. Secondary outcomes will be changes in: Levels of serum lipid profile, serum inflammation markers, glycemic control, anthropomorphic measures, stroke recurrence, cardiovascular events, adverse events, compliance. A sample size of 100 patients per group (200 in total) was estimated to provide 80% power and 5% level of significance with 10% loss and 5% crossover to detect the same difference in LDL-C after 3 months of intervention in patients with acute stroke. The investigators hypothesize that an Avocado based Mediterranean diet will significantly reduce levels of LDL-cholesterol at 3 months in patients who have suffered a recent acute ischemic stroke compared to the standard diet.

NCT ID: NCT03511300 Not yet recruiting - Stroke, Ischemic Clinical Trials

Ready, Set, Goal: Motivation and Cognition in Stroke Patients

ACE
Start date: June 1, 2018
Phase: N/A
Study type: Interventional

Apathy is a syndrome of reduced motivation, characterized by diminished goal-directed behaviours (e.g., lack of effort), decreased goal-oriented cognitions (e.g., lack of interest) and blunted affect. Apathy is present in 20-50% of individuals after experiencing a stroke. Despite the detrimental impact of reduced goal-directed behaviours and cognitions on activities of daily living and cognition in stroke patients, interventions for increasing motivation (reducing apathy) have yet to be examined in this population. This study will examine the effect of goal-setting instructions on cognitive performance in stroke patients. The investigators hypothesize that in stroke patients, goal-setting instructions will improve cognitive performance relative to standard instructions. If goal-setting instructions are effective in improving cognitive performance, it may indicate that treatments targeting apathy could serve as a novel way to improve cognitive outcomes and enhance patient quality of life post-stroke.

NCT ID: NCT03507517 Active, not recruiting - Stroke, Ischemic Clinical Trials

Quality Control Project of Stroke in Liaoning Province

Start date: November 1, 2015
Phase:
Study type: Observational [Patient Registry]

To reduce the incidence of stroke and standard the treatment of stroke in Liaoning Province, the present study should be conducted.

NCT ID: NCT03485040 Recruiting - Stroke, Ischemic Clinical Trials

Stroke Motor Rehabilitation and Recovery Study

SMaHRT
Start date: June 9, 2017
Phase:
Study type: Observational

SMaHRT (Stroke Motor reHabilitation and Recovery sTudy) is a longitudinal study aimed at understanding the natural history of upper extremity motor recovery after ischemic stroke.

NCT ID: NCT03464565 Not yet recruiting - Stroke, Ischemic Clinical Trials

COMPLETE: International Acute Ischemic Stroke Registry With the Penumbra System Aspiration Including the 3D Revascularization Device

Start date: July 2018
Phase:
Study type: Observational

The purpose of this study is to collect real-world performance and safety data on the Penumbra System including the 3D Revascularization Device in patients with acute ischemic stroke (AIS) due to blockages of the large blood vessels in the brain.

NCT ID: NCT03443245 Not yet recruiting - Stroke, Ischemic Clinical Trials

Differential Metabolic Signature of Stroke Patients Undergoing Thrombolysis

DETECT
Start date: March 2018
Phase: N/A
Study type: Observational

Currently, there is no reliable biomarker for stroke, meaning that treatment is often delayed and patients are often left with a disability. Stroke is one of the largest causes of mortality (death) and morbidity (disease) in the UK and affects around 120 and 15 people per 100,000 population. This has huge economic implications, with around £9 billion a year being spent on stroke in the UK alone, and health and social care costs accounting for half of this amount. Productivity losses (i.e. income costs) are estimated at £1.33 billion and benefit payments total £840 million per year. Previous studies involving heart attack patients have suggested that succinate (a biomarker) levels rise after reperfusion (reoxygenation) of the heart tissue and in the context of ischaemia (i.e. when a restriction of blood supply to the heart has caused a heart attack and the tissue has been reoxygenated to improve blood flow around the body). Malonate is a therapeutic option to block this rise in succinate and reduce any potential resulting damage. Animal studies support these findings and have further shown that malonate prevents ischaemic brain damage and reduces the succinate increase in tissue. However, there is currently no pre-clinical data for the release of succinate into blood, nor for stroke. This study aims to explore whether elevated succinate levels are present in stroke patients having thrombolysis (brain reperfusion). If we can show that elevated succinate levels are attributed to stroke (and not a result of thrombolysis), it might be possible to identify a therapeutic intervention at baseline for these patients and this reduce disability in all stroke patients, and healthcare costs in turn.

NCT ID: NCT03416738 Recruiting - Stroke Clinical Trials

Modeling Treated Recovery From Aphasia

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

Stroke is the leading cause of adult disability in the United States, and aphasia is common following a stroke to the left hemisphere of the brain. Aphasia therapy can improve aphasia recover; however, very little is known about how different patients respond to different types of treatments. The purpose of this study is to understand how the following factors influence an individual's response to aphasia treatment: 1) biographical factors (e.g., age, education, gender), 2) post-stroke cognitive/linguistic abilities and learning potential, and 3) the location and extent of post-stroke brain damage. We are also interested in understanding the kinds of treatment materials that should be emphasized in speech/language treatment. Overall, the goal of the current research is to inform the clinical management of post-stroke aphasia by identifying factors that can predict how an individual will respond to different treatment methods.