RecruitingPhase 3Drug trialA Study of Baricitinib (LY3009104) for the Delay of Stage 3 Type 1 Diabetes in At-Risk Children and AdultsThe purpose of this study is to find out if baricitinib can delay the onset of clinical type 1 diabetes (T1D) in people who are at high risk to develop T1D. Participation in the study will last up to approximately 5 years.