By Maria Armental 

Alere Inc. will voluntarily recall blood-monitoring devices that produced some erroneous readings of how quickly patients' blood clots when they are taking anticoagulant medicines.

The Waltham, Mass., company had found that in certain cases the blood-monitoring systems in question, the INRatio and INRatio 2, provided blood clotting time "that is clinically significantly lower than" tests done at laboratories.

Alere, which added the hand-held monitoring systems as part of its 2007 HemoSense acquisition, said it was working with health regulators on the timing of the recall.

The Food and Drug Administration is looking into the matter after linking erroneous readings on such devices to deaths and serious injuries.

The company, which has received a buyout offer from Abbott Laboratories, is under federal investigation for business practices in Africa, Asia and Latin America. Alere's troubles have raised concerns over whether the merger will go through. In April, Alere's board rejected Abbott's proposal to end the merger agreement.

Shares, which set a 52-week-low in January at $31.96, were down 2% to $39.01 in after-hours trading.

Write to Maria Armental at maria.armental@wsj.com

 

(END) Dow Jones Newswires

July 11, 2016 18:49 ET (22:49 GMT)

Copyright (c) 2016 Dow Jones & Company, Inc.
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