Taking the urgent need for accurate prognosis provided early after stroke and the potential role of copeptin in providing an estimation of each individual’s recovery potential into account, the purpose of the present study was to review all available literature published within the last decade dealing with copeptin as a prognostic indicator not only in cases of IS but also in patients presenting with TIA, ICH and SAH. The gene discussed is AVP; the disease is transient ischemic attack.