To assess safety of single IV (bolus + infusion) doses of ACT017 in patients with an acute
ischemic stroke in addition to best emergency standard of care (including fibrinolysis by
rtPA with or without added thrombectomy), with a specific focus on hemorrhage, whether
clinically symptomatic (NIHSS score + 4 points or death, without other explanation), or seen
(excluding other diagnoses) on 24-hour (hr) CT scan, serious adverse events (SAEs), suspected
unexpected serious adverse reactions (SUSARs), and medically important events and other
safety items including biological and immunological tolerability.