Feasibility Study to Evaluate the Hybrid-Logic Closed Loop System in Type 1 Diabetes

Inclusion Criteria: 1. Diabetes duration \> 1 year since diagnosis 2. Sensor augmented Pump for at least 6 months 3. Age 18-25 4. A1C \<10.0 at time of screening visit 5. Willing to follow study instructions 6. Willing to perform ≥ 5 finger stick blood glucose measurements daily 7. Willing to perform required sensor calibrations 8. Patient capable of reading and understand instructions in English Exclusion Criteria: 1. Subject is unable to tolerate tape adhesive in the area of sensor placement 2. Subject has any unresolved adverse skin condition in the area of sensor or device placement (e.g., psoriasis, rash, Staphylococcus infection) 3. Subject is actively participating in an investigational study (drug or device) wherein they have received treatment from an investigational study (drug or device) in the last 2 weeks 4. Subject has a positive pregnancy screening test 5. Subject is female, sexually active without the use of contraception, and plans/able to become pregnant during the course of the study and is not using an acceptable method of contraception 6. Subject has had a hypoglycemic seizure within the past 6 months prior to screening visit 7. Subject has had hypoglycemia resulting in loss of consciousness within the past 6 months prior to screening visit 8. Subject has had an episode of diabetic ketoacidosis (DKA) within the past 6 months prior to screening visit 9. Subject has a history of a seizure disorder 10. Subject has central nervous system or cardiac disorder resulting in syncope 11. Subject has a history of myocardial infarction, unstable angina, coronary artery bypass surgery, coronary artery stenting, transient ischemic attack (TIA), cerebrovascular accident (CVA), angina, congestive heart failure, ventricular rhythm disturbances or thromboembolic disease 12. Subjects with hematocrit lower than the normal reference range per POC or local lab testing 13. Subjects with a history or findings on screening electrocardiogram (EKG) of any cardiac arrhythmia, including atrial arrhythmias 14. Subjects with a history of adrenal insufficiency 15. Subjects with history of migraines that have occurred at least 2 times in the last 3 months prior to enrollment