City of Birmingham Relief and Retirement System et al v. Acadia Pharmaceuticals Inc. et al

  1. June 10, 2026

    Acadia Pharma Must Face Investors' Drug Approval Claims

    Acadia Pharmaceuticals must face investors' class action claims it misstated the likelihood that it would get regulatory approval to market its psychosis drug pimavanserin for expanded use, a California federal judge determined, finding a key question about a regulator's directions should be decided by a jury.

  2. March 11, 2024

    Acadia Investors Get Class Cert. In Suit Over Parkinson's Drug

    A California federal judge on Monday certified a class of Acadia Pharmaceuticals investors in a lawsuit accusing the company of making false and misleading statements regarding the likelihood that its Parkinson's psychosis drug would also be approved for the broader use of dementia-related psychosis.