The FTC’s complaint, filed in its administrative court, accuses Express Scripts, Caremark Rx and Optum Rx of “abusing their economic power by rigging pharmaceutical supply chain competition in their

The FTC sued UnitedHealth Group’s Optum unit, CVS Caremark and Cigna’s Express Scripts for allegedly steering diabetes patients towards higher priced insulin.

The FTC filed suit against the Big Three pharmacy benefit managers over insulin costs, citing anticompetitive practices that keep list prices too high.