
Hyperion Therapeutics was a Brisbane, CA-based commercial-stage biopharmaceutical company founded in 2006, focused on orphan diseases. The company developed and commercialized RAVICTI (glycerol phenylbutyrate) and BUPHENYL for urea cycle disorders. Hyperion went public on Nasdaq before being acquired by Horizon Pharma in May 2015 for approximately $1.1 billion.
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