ST. LOUIS — The nation’s largest pharmacy benefit manager will soon limit the number and strength of opioid drugs prescribed to first-time users as part of a wide-ranging effort to curb an epidemic ...

Activist investor Carl Icahn is urging other Cigna shareholders to vote against its deal to buy Express Scripts, In a letter to shareholders, entitled “Cigna’s $60 billion folly,” Icahn claims that ...

The nation’s largest pharmacy benefits manager is throwing its weight into a fight over the high cost of treating hepatitis C, saying it will cover a new drug from AbbVie while pulling back on more ...

If Express Scripts succeeds in its hostile bid for competitor Caremark Rx, it would easily become the largest company in St. Louis, ranked by revenue. Express Scripts' revenue in 2005 was $16.3 ...