| Completed | 1 | 21 | US | Neulasta (Pegylated), Pegylated granulocyte colony stimulating factor (GCSF), Placebo, Saline, Mixed Meal Tolerance Test (MMTT), Blood test, Hemoglobin A1C (HbA1c), DNA Test, Human Leukocyte Antigen (HLA) | University of Florida, Juvenile Diabetes Research Foundation, National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) | Type 1 Diabetes | 03/14 | 03/14 | | |