Therapy Areas: Devices
Stryker announces Trevo Retriever as first and only device for acute ischemic stroke up to 24 hours under new AHA/ASA guidelines
16 February 2018 -

Medical company Stryker revealed on Thursday the receipt of the US Food and Drug Administration's (FDA) expanded indication for Trevo Retriever for the front-line treatment of patients experiencing acute ischemic stroke up to 24 hours from symptom onset – increasing the treatment window by 18 hours.

An ischemic stroke occurs when an artery in the brain becomes blocked by a blood clot or other substance such as plaque. When the brain is deprived of blood and oxygen, it fails to work properly. Depending on the severity of the stroke and the area of the brain affected, loss of brain function or death may occur.

The company said the Trevo Retriever is a tiny stent-shaped medical device that is attached to a thin wire. In a minimally invasive procedure that utilises X-ray, the physician navigates the retriever from the femoral artery to the blocked blood artery in the brain. The retriever is designed to ensnare the blood clot and remove it from the body. Originally cleared by the US FDA in 2012, the Trevo Retriever has been used in thousands of patients worldwide.

This US FDA's expanded indication of the company's clot-removal device is in line with the recent updated treatment guidelines from the American Heart Association and American Stroke Association and has the potential to reduce disability and improve quality of life for additional stroke patients each year.

Until now, the Trevo Retriever were only cleared for use up to six hours from symptom onset. However, recent randomised clinical data from the Stryker-sponsored DAWN Trial shows that patients presenting in the six- to 24-hour window who meet specific imaging criteria and are treated with the Trevo Retriever are almost four times as likely to be functionally independent at 90 days post-stroke, compared to those treated with medical management alone.

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