Medications

Bayer drug unproven as stroke preventer: US

US regulators said Tuesday that Xarelto, a Bayer-made drug approved in July for preventing blood clots, is so far unproven for a new proposed use as a stroke preventer.

Diseases, Conditions, Syndromes

New risk score spots patients at high risk of serious blood clots

A new risk prediction tool can identify patients at high risk of serious blood clots (known as venous thromboembolism) who might need preventative treatment, says a study published in the British Medical Journal today.

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