thiazolidinedione

noun

thi·​a·​zol·​i·​dine·​di·​one ˌthī-ə-ˌzō-lə-ˌdēn-ˈdī-ˌōn 

: any of a class of drugs (as pioglitazone and rosiglitazone) that are thiazolidine derivatives used to reduce insulin resistance in the treatment of type 2 diabetes

—abbreviation TZD

called also glitazone