Orphenadrine Recalled Due to Possible Nitrosamine Impurity
[ad_1] Recent tests of 13 lots of the skeletal muscle relaxant Orphenadrine Citrate 100 mg Extended Release (ER) found unacceptably high levels of a nitrosamine impurity in the tablets, leading manufacturer Sandoz (Princeton, New Jersey) to announce a voluntary recall of the lots on March 21. The nitrosamine impurity detected (N-methyl-N-nitroso-2-[(2-methylphenyl)phenylmethoxy]ethanamine [NMOA or Nitroso-Orphenadrine]) may…