(April 26, 2021, 2:39 PM EDT) -- PHILADELPHIA — Drug maker GlaxoSmithKline PLC (GSK) on April 23 asked the Avandia multidistrict litigation court to enter a case management order setting deadlines for remaining discovery in a third-party payer action, saying that since a federal appeals court remanded the case 14 months ago, the plaintiffs have refused to respond to discovery requests as premature until the court enters a scheduling order....