Shares in PTC Therapeutics shot up by as much as 117% to $33.18 on news that its novel treatment for Duchenne muscular dystrophy Translarna (ataluren) has finally received the go-ahead for approval from the EU's CHMP.
Reversing an earlier decision, the committee says a conditional approval of the drug is warranted in nonsense mutation DMD patients aged five years and older who are able to walk,...