We are pleased to report that the following proposal has been accepted by VISTA-Acute Steering Committee: A.C. Cameron, A.H Abdul-Rahim, J. Bogie, R. Mikulik, N. Ahmed, N.G. Wahlgren, K.R. Lees on behalf of the SITS Scientific Committee, “Optimal Dose of Alteplase for Acute Ischaemic Stroke.”