( July 1, 2025, 1:32 PM EDT) -- BOSTON — The First Circuit U.S. Court of Appeals affirmed a lower court’s rulings dismissing and denying a motion to amend a relator’s qui tam suit against dialysis clinics alleging violations of the federal False Claims Act (FCA) related to a purported fraudulent kickback scheme, finding that the relator failed to meet the heightened pleading standards required by the Federal Rules of Civil Procedure and that the lower court did not abuse its discretion in denying leave to amend....