ALS drugmaker steps up with FDA filing, but yet another biotech stumbles in clinic

Amylyx Pharmaceuticals has submitted its amyotrophic lateral sclerosis (ALS) drug for FDA review based on positive Phase 2 data after discussions with the agency over the summer. Meanwhile, a Clene Nanomedicine ALS drug failed its Phase 2 study, but the biotech points to encouraging results in a subgroup of patients.