A Study to Evaluate Pharmacokinetics of LY3209590 in Pediatric Participants With Type 2 Diabetes Mellitus

This study is testing how the body absorbs and processes a weekly insulin medication called LY3209590 in children and teenagers with Type 2 diabetes. **You may be eligible if...** - You have had Type 2 diabetes for at least 3 months - Your HbA1c (blood sugar average) is between 6.5% and 9.5% - Your BMI is 45 or below - You have never used insulin, or stopped insulin at least 3 months ago **You may NOT be eligible if...** - You had a severe low blood sugar episode in the past 6 months - You have kidney problems - You had a blood transfusion or major blood loss in the past 90 days - Your weight changed by 6% or more in the past 3 months - You have or had cancer - You are taking steroid medications (like prednisone) - You are in another clinical trial Talk to your doctor to see if this trial is right for you.