Relyvrio withdrawn from US, Canada after Phase 3 trial results
Relyvrio (sodium phenylbutyrate and taurursodiol), an approved treatment for amyotrophic lateral sclerosis (ALS), was voluntarily removed from the U.S. and Canadian markets. Amylyx Pharmaceuticals, the therapy’s developer, made the decision after top-line results from the Phase 3 PHOENIX trial (NCT05021536)Â showed that patients who received Relyvrio…