Justin Klee (L) and Josh Cohen, Amylyx co-CEOs

Ahead of FDA com­mit­tee to dis­cuss new ALS drug, the ju­ry re­mains out on how much ben­e­fit is enough for ap­proval

Next week, an FDA ad­vi­so­ry com­mit­tee will face an all-too fa­mil­iar ques­tion: Should a drug for a fa­tal, neu­rode­gen­er­a­tive dis­ease be ap­proved de­spite less than con­clu­sive ef­fi­ca­cy da­ta?

It hasn’t been two full years since the pan­el faced a sim­i­lar ques­tion in Bio­gen’s Alzheimer’s drug ad­u­canum­ab. And it’s not un­like the 2016 de­bate over Sarep­ta’s first mus­cu­lar dy­s­tro­phy drug, ei­ther. In both sce­nar­ios, the FDA’s out­side ex­perts rec­om­mend­ed against ap­proval — unan­i­mous­ly in Bio­gen’s case — and in both sce­nar­ios, the agency green­light­ed the drugs.

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