DWI/PWI and CTP Assessment in the Triage of Wake-Up and Late Presenting Strokes Undergoing Neurointervention "DAWN Trial"


Phase N/A Results N/A

Summary of Purpose

To study the safety and efficacy of endovascular treatment in MR or CT perfusion-selected patients suffering acute ischemic stroke due to a proximal large vessel anterior circulation occlusion (e.g. ICA and/or MCA-M1 segment) who present “beyond the typical therapeutic window” defined as “last time seen well” greater than 8 hours. As such, this time frame applies to both witnessed and unwitnessed (including “wake-up”) events.

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Trial Milestones

The following dates are available for this trial. Trial information last updated on 9 March 2009.

Unavailable Unavailable Unavailable Unavailable Unavailable Unavailable
Start Date First Received 1st Completion Completion Verification Results

Trial Basics



  • Concentric Medical, Inc. Penumbra Inc.

Trial Design

Multicenter randomized controlled trial.


Not available