As reported in by the St. Louis Business Journal, The Simon Law Firm, P.C. has filed a lawsuit on behalf of six compounding pharmacies alleging St. Louis-based Express Scripts is trying to force them out of business in violation of antitrust law.

The plaintiffs who filed the lawsuit against the $101 billion pharmacy benefits manager in U.S. District Court for the Eastern District of Missouri were: Precision Rx Compounding LLC of Tampa, Florida; C&M Health Pro LLC of Kissimmee, Florida; Northern VA Compounders PLLC of Chantilly, Virginia; TOTH Enterprises II PA of Austin, Texas; The Daily Dose LP of Austin; and CPRx Pharmacy LP, of Cedar Park, Texas.

The suit alleges violations of the Sherman Act, a federal antitrust statue.