( September 21, 2026, 1:19 PM EDT) -- CINCINNATI — The Plaintiffs’ Executive Committee (PEC) in the national opioid multidistrict litigation urged the Sixth Circuit U.S. Court of Appeals to deny “yet another in a series of meritless mandamus petitions” filed by pharmacy benefit managers (PBMs) challenging a judge’s decision allowing hundreds of plaintiffs to amend their complaints to add claims against the PBMs....