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Relyvrio® (sodium phenylbutyrate/taurursodiol) – Drug discontinuation

April 4, 2024 - Amylyx Pharmaceuticals announced that it has started a process with the FDA to voluntarily discontinue the marketing authorization for Relyvrio (sodium phenylbutyrate/taurursodiol) and remove the product from the market based on topline results from the Phase 3 PHOENIX trial.

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