(August 21, 2023, 2:19 PM EDT) -- PHILADELPHIA — Seven end-payer plaintiffs on Aug. 19 asked a Pennsylvania federal court to preliminarily approve a $30 million agreement that would settle a 10-year-old complaint that drugmaker Indivior Inc. engaged in anti-competitive behavior that caused the plaintiffs to pay higher prices for Suboxone brand buprenorphine, a drug used to treat opioid use disorder....