Drug News

Why Amylyx Removed Relyvrio From the U.S. and Canadian Markets

The decision by Amylyx Pharmaceuticals to remove its ALS drug, Relyvrio, from the U.S. and Canadian markets stems primarily from its failure in a crucial late-stage trial. This setback casts doubt on the drug’s efficacy in treating amyotrophic lateral sclerosis, a progressive and debilitating neurodegenerative disease. With the drug’s withdrawal, patients who had hoped for a new treatment option now face renewed uncertainty in managing their condition.

The withdrawal of Relyvrio marks a significant blow not only to Amylyx Pharmaceuticals but also to ALS patients and advocacy groups who had pushed for its approval. The approval of Relyvrio in 2022 was seen as a beacon of hope for those affected by ALS, who often have limited treatment options available to them. Patient groups had fervently advocated for the drug’s approval, emphasizing the urgent need for effective therapies for this devastating disease.

In addition to the withdrawal of Relyvrio, Amylyx Pharmaceuticals also announced a substantial reduction in its workforce, indicating the broader impact of this setback on the company’s operations and future prospects. The decision reflects the challenges faced by biopharmaceutical companies in developing treatments for complex diseases like ALS, where success in clinical trials is often elusive despite considerable investment and effort.

Overall, the withdrawal of Relyvrio underscores the unpredictable nature of drug development and the inherent risks associated with bringing new therapies to market, particularly in the field of neurodegenerative diseases. Despite the disappointment surrounding this decision, it may spur renewed efforts in ALS research and drug development, as stakeholders seek alternative approaches to address the unmet needs of patients living with this devastating condition.


Joan David-Leonhard

Joan David Leonhard is a recent Pharm.D graduate with a strong passion for the pharmaceutical industry and a particular interest in pharmaceutical media and communication. Her brief internship experience includes roles in pharmacy where she built strong patient-pharmacist relationships and a pharmaceutical media internship where she actively contributed to drug information articles, blog posts, social media engagement, and various media projects.
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