Akcea, Io­n­is win over most FDA ex­perts to their rare dis­ease drug volane­sors­en, vast­ly im­prov­ing odds of suc­cess

Akcea Ther­a­peu­tics $AK­CA faced a tough up­hill bat­tle in search of an ap­proval for their rare dis­ease drug volane­sors­en to­day — and they won.

The FDA ad­vi­so­ry com­mit­tee vote on the drug — spun out from Io­n­is $IONS — was 12 for, 8 against. The FDA, of course, doesn’t have to go along. But for a rare dis­ease, they usu­al­ly do — par­tic­u­lar­ly un­der this ad­min­is­tra­tion.

Akcea’s shares shot up 20% in pre-mar­ket trad­ing on Fri­day, start­ing the day with a $1.8 bil­lion mar­ket cap, while Io­n­is saw a spike of 5%.

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