(January 23, 2018, 12:43 PM EST) -- CHICAGO — The Seventh Circuit U.S. Court of Appeals on Jan. 19 said a regulatory quirk in how the testosterone drug Depo-T is classified means that thousands of product liability claims involving the drug are preempted (Rodney Guilbeau, et al. v. Pfizer Inc., et al., No. 17-2056, 7th Cir., 2018 U.S. App. LEXIS 1285)....