Indivior to Pay $600 Million to Settle Suboxone Accusations (1)

Indivior Plc agreed to pay $600 million to resolve U.S. criminal probes of illegal marketing of Suboxone, a popular opioid-addiction treatment.

The deal covers allegations made by the U.S. Justice Department, Federal Trade Commission and various state attorneys general, the U.K. drugmaker said in a statement Friday. The company was accused of duping doctors by falsely claiming one version of its addiction-fighting medicine posed less of a threat of abuse than other drugs.

Shares of Slough, England-based Indivior jumped 38% in London.

As part of the settlement, a wholly owned subsidiary, Indivior Solutions Inc., pleaded guilty Friday ...