As US Duchenne Muscular Dystrophy (DMD) patients may be hit with a 50 to 70 times more expensive price for a steroid they have been importing from the EU and Canada for about $1,000 per year, eight Democratic senators sent a letter on Friday to Marathon Pharmaceuticals questioning the orphan drug Emflaza’s (deflazacort) $89,000 list price, while three Republican senators on Friday also asked the US Government Accountability Office (GAO) to look into orphan drugs in ge...