NCT05263804 CoHort of Patients to Identify Biological and Imaging markerS of CardiovascUlar Outcomes in Stroke - HIBISCUS-STROKE II

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This trial targets 500 participants in total. It began in 2022-05-22 with a primary completion date of 2029-06.

Brief Summary

Ischemic stroke is the first cause of acquired disability of the adult, the second cause of dementia and the third cause of death in the industrialized countries, what constitutes à major public health issue. Stroke is characterized by a cerebral parenchymal lesion due to an ischemic mechanism (85% of the cases) or hemorrhagic mechanism (15%). For a long time, the only approved treatment was the intravenous thrombolysis (rt-PA). Recently, thrombectomy has proven its superiority in this pathology. Cohorts of patients with stroke are rare but can be very valuable by their clinical, laboratory and imaging well documented. They are the source of new hypotheses for research or interventions as well as the quality of care assessment tool. The main objective of this project is to identify new markers: biological and imaging, treatment response and prognosis after ischemic stroke. Secondary objectives of the HIBISCUS-STROKE II cohort are to establish a clinical database, completed by biological samples and by imaging data that can be used in the following areas: Descriptive epidemiology of ischemic stroke and cerebral reperfusion, Pharmacoepidemiology and treatments observatory: safety, efficacy, indication of treatment in real life, costs Assessment of the long-term effect of the treatment on the occurrence of disability, stroke recurrence and death, Quality of life and personal, familial, professional and social consequences of stroke, Research of new diagnostic and prognostic biomarkers, Research projects. Ancillary study : Cardiac complications are the second leading cause of death after stroke. A close relationship between brain damage and heart complications, referred to as "neuro-cardiac syndrome" has been established. 20% of patients admitted for ischemic stroke present at least one major cardiac event, including acute coronary syndrome, heart failure and / or cardiac arrhythmia, within three months of the event, while 28% have a left ventricular ejection fraction less than 50%. However, the underlying pathological mechanisms remain unclear and the therapeutic targets unknown. To study these mechanisms, an ancillary study will be proposed to patient whom accepted to participate in the main project research. The general objective of the ancillary study is to identify early markers of cardiac damage during ischemic stroke having benefited from mechanical recanalization by thrombectomy, and to improve the understanding of the pathophysiology at the origin of cardiac complications in the course of an ischemic stroke with the final objective of identifying new therapeutic targets.

Eligibility Criteria

Inclusion Criteria: * Age ≥ 18 years * Ischemic Stroke confirmed by MRI * Proximal arterial occlusion (M1 and/or M2) * Eligible for thrombolysis and/or thrombectomy * Informed consent signed by the patient or the next of kin * Patient with a social security number Ancillary Study Inclusion Criteria: * Eligible for the Hibiscus stroke II cohort * Ancillary study informed consent signed by the patient or the next of kin Exclusion Criteria: * Patients for whom it is known at the inclusion that follow-up at 3 months will not be possible at Pierre Wertheimer Hospital (Lyon, France) * Patient with progressive or uncontrolled cancer. * Deprivation of civil rights * Pregnant woman or woman of childbearing age without proof of the absence of a current pregnancy * For patients participating in the optional fecal library: factors leading to a potential change in microbiota (antibiotic therapy within 3 months, probiotic or rebiotic use within 3 months, ileo or gastrostomy, gastrointestinal resection surgery, bariatric or peptic ulcer surgery, Crohn's disease or chronic inflammatory bowel disease, helicobacter pylori gastric ulcer less than 1 year old, participation in a study that aims to modify the microbiota) Ancillary Study Exclusion Criteria: * Contraindication to MRI with gadolinium injection * Contraindication to cardiac MRI (including inability to perform cardiac MRI) * Patients with a glomerular filtration rate \<30ml/min * History of coronary artery disease

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