The FDA had inspected the Cincinnati company, Celsus Laboratories Inc., in April and at the time found contaminated heparin in two different kinds of products, officials said. A little over 2 pounds of the blood thinner was intended for use directly with patients, and another 31 pounds was to be utilized in diagnostic test kits and medical devices.
The FDA seized the heparin after informing the company that its efforts to notify customers of the contamination problem were unsatisfactory, the agency said in a statement. Drug seizures are a rare penalty for the FDA, since regulators prefer to negotiate with manufacturers to resolve disputes.
A representative who answered the phone at Celsus said the company would have no comment.
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