Utah Federal Judge Allows Plaintiff to Replead Negligence Claim in Tysabri Case

A Utah federal judge has allowed a plaintiff to amend his negligence claim to hone his allegations that the makers of the immunomodulator Tysabri negligently failed to warn physicians that the drug can cause progressive multifocal leukoencephalopathy.

In the Dec. 26 order, Judge David Nuffer of the U.S. District Court for the District of Utah dismissed the negligence claim against Biogen Idec Inc. and Elan Pharmaceuticals Inc. without prejudice, but dismissed the strict liability and warranty claims with prejudice pursuant to the parties’ stipulation.
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