Zogenix Seeks to Stop Massachusetts Ban on Painkiller

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Zogenix Inc., whose shares slumped after Massachusetts Governor Deval Patrick said he would ban its painkiller Zohydro over abuse concerns, sued to stop him, saying the move contradicted the Food and Drug Administration’s approval of the medicine.

Zohydro, approved in October, doesn’t contain the same technology some other drugmakers use to deter people from abusing their medicines, the FDA said in a response to a petition urging such drugs not be approved. Zohydro’s benefits outweighed the risks, the FDA said.