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Clinical Trial Summary

This is a randomized, placebo controlled, double-blind phase 3 clinical study to evaluate the efficacy and safety of transcranial ultrasound (TUS) using the Sonolysis Headframe as an adjunctive therapy to intravenous (IV) tissue plasminogen activator (tPA) therapy in subjects with acute ischemic stroke that initially present at non-endovascular (EVT) treating hospitals that have established transport services in place to transfer subjects to hospitals capable of performing EVT.


Clinical Trial Description

The primary objective of this study is to assess the safety and efficacy of TUS using the Sonolysis Headframe in combination with systemic tPA (Treatment group) compared to systemic tPA alone (Control group) in subjects with acute ischemic stroke.

Number of Subjects Required:

Lead-in Phase: 40 subjects in the U.S.; Primary Phase: 556 total enrolled subjects (278 per arm)

Number of Study Centers:

Lead-in Phase: Up to 20 Institutions in U.S.; Primary Phase: Up to 70 Institutions worldwide ;


Study Design


Related Conditions & MeSH terms


NCT number NCT03519737
Study type Interventional
Source Cerevast Medical, Inc.
Contact Joyce T Su, MPH
Phone 425.748.7529
Email jsu@cerevast.com
Status Recruiting
Phase N/A
Start date August 17, 2018
Completion date December 31, 2020

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