A randomized controlled phase Ia clinical trial to evaluate the safety, tolerability and pharmacokinetic characteristics of tofacitinib tartrate cream (HZ-J001) in healthy Chinese subjects. - Deng K; Huang J; Wu Q; Xie J; Yang X; Yang S; Liu L; Gong Y; Shen W; Cai L; Yang G; Guo C (Frontiers in pharmacology, 2026)