San­thera’s Rax­one fails NIH’s MS study in lat­est set­back, shares plunge

Just a few weeks af­ter be­ing shot down (again) by Eu­ro­pean reg­u­la­tors who were op­posed to let­ting San­thera (SIX: SANN) ex­tend its mar­ket­ing ap­proval for Rax­one to in­clude Duchenne mus­cu­lar dy­s­tro­phy, the biotech re­port­ed that an ear­ly-stage study of the drug failed to demon­strate any val­ue for mus­cu­lar scle­ro­sis, ei­ther.

The NIH ran this study, di­vid­ing 77 pa­tients be­tween the drug and a place­bo group (66 fin­ished the tri­al), but found no dif­fer­ence be­tween the two in con­trol­ling se­ri­ous ad­verse events for pa­tients with a pri­ma­ry pro­gres­sive form of the dis­ease.

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