ALS Drug Fails Clinical Trial, Making Its Future Uncertain

Published on March 11, 2024

Relyvrio, a drug meant to treat amyotrophic lateral sclerosis (ALS), failed clinical trials due to not providing significant symptom relief in those suffering from the disease. In particular, the phase 3 clinical trial showed that the drug, which is a combination of sodium phenylbutyrate and taurursodiol, failed to improve patient symptoms after 48 weeks of treatment. Additionally, compared to a placebo, the medication was unable to significantly improve reported quality of life, overall survival, and respiratory function, CNN Health reported. “We are surprised and deeply disappointed by the [phase 3] results following the positive data from the CENTAUR trial,” Justin Klee and Joshua Cohen, co-CEOs of drug manufacturer Amylyx Pharmaceuticals, said in a press release. The Centaur trial was the phase 2 trial....