31 May 2017 - A company that manages prescription drug plans for tens of millions of Americans has sued a tiny drug maker that makes an emergency treatment for heroin and painkiller overdoses, increasing the tension between the companies that make drugs and those that decide whether they should be covered.

Express Scripts, the nation’s largest pharmacy benefits manager, is suing Kaléo, the manufacturer of Evzio, the injectable overdose treatment whose price quintupled last year, drawing widespread outrage and inquiries from members of Congress. 

Express Scripts claims it is owed more than $14.5 million in fees and rebates related to Evzio, and it has dropped the drug from its preferred list.

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