Patients who had a stroke recurrence were the ones with higher levels of copeptinPatients with more severe stroke forms (NIHSS>5) had higher levels of copeptinMedian copeptin levels were higher for atherosclerosis stroke subtypeCopeptin, age, NIHSS, infarct volume, stroke etiology, revascularisation treatment, personal history of atrial fibrillation, CRP, homocysteine and cortisol levels are predictors of stroke recurrence. This evidence concerns the gene AVP and stroke disorder.