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Clinical Trial Summary

This is a Phase 2/3 study evaluating the safety and efficacy of DM199 in treating participants presenting within 24 hours of Acute Ischemic Stroke (AIS) onset for whom fibrinolytics and/or a catheter-based procedure, mechanical thrombectomy (MT), are not medically appropriate or available due to constraints of clot location, comorbidity risks, and/or time from estimated onset of stroke. The double-blinded study will be randomized, placebo controlled at up to approximately 100 sites.


Clinical Trial Description

This is a randomized, double-blind, placebo-controlled Phase 2/3 adaptive, multi-center study to evaluate the safety and efficacy of DM199 for the treatment of acute ischemic stroke. Participants with AIS will be randomized 1:1 to DM199 or placebo (placebo is normal saline given with the same route (IV or SC), volume and frequency as DM199), administered as a single intravenous (IV) dose followed by a subcutaneous (SC) dose within 2-12 hours of IV dose completion and then 2 times per week for three weeks (until Day 21). After dosing is complete, participants will be followed up by the investigator at approximately 30 and 90 days after their first dose. A formal interim analysis will be conducted after 144 participants complete their Day 90 assessment in Part A. The purposes of this interim analysis are to assess safety, allow early stopping of the study for futility, or continuing the study with a revised final sample size of between 240 up to 728. The futility rule will be non-binding. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05065216
Study type Interventional
Source DiaMedica Therapeutics Inc
Contact Rebekah Fries
Phone 717-673-6231
Email rfries@diamedica.com
Status Recruiting
Phase Phase 2/Phase 3
Start date September 24, 2021
Completion date March 2026

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