The Norwegian Sonothrombolysis in Acute Stroke Study "NOR-SASS"


Phase 2/3 Results N/A

Summary of Purpose

BACKGROUND: Thrombolytic drugs may dissolve blood vessel clots in acute ischemic stroke. The overall benefit of intravenous thrombolysis is substantial, but up to 2/3 of patients with large clots may not achieve re-opening of the vessel and up to 40% of the patients may remain severely disabled or die. Ultrasound... Trial Stopped: Lack of funding for researchers

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Trial Milestones

The following dates are available for this trial. Trial information last updated on 3 November 2015.

1 Sep 2012 21 Sep 2013 1 May 2015 1 May 2015 1 Nov 2015 Unavailable
Start Date First Received 1st Completion Completion Verification Results

Trial Design

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


  • Lars Thomassen, MD PhD Prof.

  • Christopher E Kvistad, MD