WASHINGTON - Under government pressure, Bayer AG said Monday it halted worldwide sales of its antibleeding drug Trasylol after a Canadian clinical study found it could be linked to a higher risk of death than other drugs. The Food and Drug Administration asked the company to stop selling the drug, used to prevent excessive bleeding during heart bypass surgery, pending detailed review of preliminary results from the Canadian study. The study comparing the safety and efficacy of the drug with two others was recently halted.

Trasylol, also known as aprotinin, works by blocking enzymes that dissolve blood clots. It is designed to stem blood loss and enable patients receiving heart bypass surgery to avoid transfusions.

Bayer stops sales of Trasylol globally - Yahoo! News

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