New Experimental Vaccine may Reduce Post-stroke Blood Clot Risk

by Colleen Fleiss on  October 30, 2018 at 8:34 AM Drug News
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An experimental vaccine tested in mice provided protection against blood clots for more than two months without increasing the risk of bleeding or causing an autoimmune response, revealed Japanese researchers. The new research has been published in the American Heart Association's journal Hypertension.
New Experimental Vaccine may Reduce Post-stroke Blood Clot Risk
New Experimental Vaccine may Reduce Post-stroke Blood Clot Risk

People who have had a stroke caused by a blood clot (ischemic strokes) often need to take medications that make their blood less likely to clot, which helps prevent another stroke. The lack of an autoimmune response is important, because it means the mice's immune system did not perceive the vaccine as an "intruder" that needed to be attacked, which would have caused a reaction to the vaccine.

Developing a vaccine to replace and/or compliment daily, oral medications might save many lives and help prevent both secondary strokes and possibly heart attacks, according to Nakagami. "Many stroke patients don't take their blood thinning drugs as prescribed, which makes it more likely they will have another stroke. This vaccine might one day help solve this issue since it would only need to be injected periodically," Nakagami said.

"We are continuing our research in hopes of being able to start clinical trials between five and ten years from now, but there are differences between mice and humans in how the vaccine will be recognized by the immune system," he said. "We should be able to overcome such problems and believe this vaccine provides a very promising strategy in secondary prevention of stroke."

Source: Eurekalert

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