Category Archives: Heart Drugs

Vorapaxar Blood Thinner Side Effects: Higher Risk of Internal Bleeding?

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In limbo after mixed results, Merck blood clot drug stops heart attack with risk of bleeding

In one of the largest heart-drug studies ever conducted, the new drug Vorapaxar showed an impressive efficacy as a blood thinner — but with an increased risk for internal bleeding as a side effect, researchers said on March 24.

The new type of blood clot preventer being tested by Merck & Co has been hounded by bleeding concerns since January 2011. Then, a safety committee overseeing the 26,449-patient study said the new type of anti-platelet drug bore an increased bleeding risk — making it unsuitable for patients who had suffered a stroke.

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