Early Administration of Aspirin in Patients With Acute Ischemic Stroke Treated With Systemic Thrombolysis

Active, not recruiting

Phase N/A Results N/A

Trial Description

The aim of this study is to determine whether early administration of aspirin in acute ischemic stroke patients treated with systemic thrombolysis is safe and can improve outcomes due to decreasing the number of early rethromboses.

Detailed Description

According to the current guidelines (European Stroke Organisation, 2009; American Heart Association-American Stroke Association, 2013) on the systemic thrombolysis in ischemic stroke patients it is recommended (class C) to start antithrombotic therapy (including antiplatelets and anticoagulants) when 24 hours go after alteplase (rtPA, recombinant tissue plasminogen activator) administration. Meanwhile rtPA has wery short lifetime in blood (T1/2 4-6 minutes). Some retrospective studies have found that early administration of antithrombotics (8-16 hours) after systemic thrombolysis can improve functional outcome and does not increase the risk of haemorrhage.
The investigators suggest a controlled prospective trial to recognise risks and benefits of early administration of aspirin (in 12 hours) after rtPA therapy in patients with acute ischemic stroke.



  • Acetylsalicylic acid Drug
    Other Names: Aspirin 81 mg
    ARM 1: Kind: Experimental
    Label: 12 hours
    Description: Non-contrast CT and CT-angiography are performed in 11 hours after thrombolysis. In case no haematoma is found, patient would receive 100 mg of acetylsalicylic acid per os daily starting from 12 hours after thrombolysis

Trial Design

  • Allocation: Randomized
  • Masking: Double Blind (Investigator, Outcomes Assessor)
  • Purpose: Prevention
  • Endpoint: Safety/Efficacy Study
  • Intervention: Parallel Assignment


Type Measure Time Frame Safety Issue
Primary all cause mortality 3 month Yes
Primary ischemic events 3 month No
Primary haemorrhagic events 7 days Yes
Secondary functional outcome 3 month No
Secondary artery reocclusion 7 days No