Cel­gene's dis­clo­sures about ozan­i­mod this week spur an­a­lyst­s' fears of a lengthy de­lay for a key drug

Re­searchers for Cel­gene $CELG turned up at the Amer­i­can Acad­e­my of Neu­rol­o­gy meet­ing this week with some news about the mul­ti­ple scle­ro­sis drug ozan­i­mod that quick­ly cap­tured an­a­lysts’ at­ten­tion.

In a pre­sen­ta­tion on ozan­i­mod Phase III da­ta, an in­ves­ti­ga­tor spot­light­ed an ac­tive metabo­lite pro­duced by the drug, spurring an ah-ha mo­ment for an­a­lysts who have been puz­zling out why the FDA re­cent­ly is­sued a stun­ning refuse-to-file no­tice on the drug.

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