A Phase 3, Double-Blind, Randomized, Placebo-Controlled Study of Baricitinib to Delay Stage 3 Type 1 Diabetes in At-risk Participants Aged ≥1 to <36 Years

Inclusion Criteria: * Have a history of at least one documented occasion of at least two diabetes-related autoantibodies, AND one occasion of at least two diabetes-related autoantibodies obtained at screening or prescreening * Have Stage 1b or Stage 2 type 1 diabetes * Have a body weight of ≥8 kilograms (kg) (18 pounds) at screening Exclusion Criteria: * Have any other type of diabetes * Have uncontrolled high blood pressure * Have had a heart attack, heart disease, stroke, or heart failure * Have a history or high risk of venous thromboembolism, lymphoproliferative disease or malignancy *…