An Ischaemic Stroke Observational Study

Inclusion Criteria: * Capacity to give informed consent or witnessed informed consent in the event that the patient is unable to sign informed consent due to physical impairments. * Participation in the preceding study RN-CS-0001 * Completion of at least one of the 4 functional assessment tests (ARAT, BI, NIHSS, mRS) at any time point on the previous study RN-CS-0001 * Ability to participate in all assessments and attend all visits Exclusion Criteria: * Any additional incidence of stroke (Ischaemic or Haemorrhagic) since participation in the previous study RN-CS-0001 (since the last CS-0001 assessment visit date). * Incidence of significant other disease that judged by the investigator would confound completion of all functional assessments (not excluding patients that can complete at least one functional assessment with no confounding factor from significant other disease).