Repeat BCG Vaccinations For The Treatment Of Pediatric Type 1 Diabetes

This study is testing whether repeated BCG vaccinations (a tuberculosis vaccine that also affects the immune system) can help the immune system better regulate blood sugar in children and teenagers with Type 1 diabetes. **You may be eligible if:** - You are between 8 and 17 years old - You were diagnosed with Type 1 diabetes at least 2 years ago and are being treated with insulin - You are HIV-negative and test negative for tuberculosis - You are not pregnant (if female) - You are using a continuous glucose monitor (CGM) or willing to use one throughout the study - Your blood still produces a small but detectable amount of insulin (C-peptide levels in range) **You may NOT be eligible if:** - You were diagnosed with Type 1 diabetes less than 2 years ago - You test positive for tuberculosis - You are HIV-positive - You are pregnant - You are not willing to wear a continuous glucose monitor throughout the whole study Talk to your doctor to see if this trial is right for you.