Online pharmacy Valisure has raised concerns about what it believes are risky levels of another probable carcinogen in valsartan, filing a citizen petition with the US Food and Drug Administration on 13 June requesting that the agency significantly lower the permitted daily exposure (PDE) limit of the residual solvent, called N-Dimethylformamide (DMF).
Further, the pharmacy wants manufacturers to recall lots of drugs where it found concerning levels of DMF impurities. In the...





