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Biopharma Brass Hid Drug Trial Risks, Derivative Suit Says

By Emilie Ruscoe ( March 9, 2026, 6:40 PM EDT) -- Brass of Ultragenyx Pharmaceutical Inc. are facing shareholder derivative claims they caused the company to overstate prospects for a drug to treat a bone disease, hurting investors and opening the company up to liability when its share prices fell following disappointing clinical trial news....

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