The drug had been fast-tracked for approval under the agency's accelerated approval program, and has been available for more than a decade, despite the drugmaker's failure to prove that it works.
The Food and Drug Administration has new tools to hold drug companies accountable for promises they make about medications. But the agency has yet to show its hand in using this new power.
An NPR investigation found stalled confirmatory trials and lax enforcement are plaguing the FDA's accelerated approval of drugs for urgent medical needs.
Stalled confirmatory trials and lax enforcement plague the Food and Drug Administration's accelerated approval pathway for pharmaceuticals that target urgent medical needs.