Feasibility Study for Training Pump Naïve Subjects To Use The Paradigm® System And Evaluate Effectiveness

Inclusion Criteria: * Subject is between 18 - 70 years of age (inclusive) * Subject is diagnosed with Type 1 Diabetes Mellitus as determined by the Investigator. * Diabetes is diagnosed \> (greater or equal to) six (6) months prior to study entry. * A1C \> 7.5% (greater than or equal to) as measured by the Central Laboratory at Screening Visit 1. * Subject currently requires insulin administration by injection \> (greater or equal to) three (3) times daily. * Subject is currently (over past 3 months) performing an average of four (4) blood glucose measurements per day, as determined and documented by the investigator * Subject has been treated in the investigator's practice or in a referring endocrinologist's practice for at least 6 months prior to the study * Subject is fluent in speaking, understanding, and reading English. * Subject is able and willing to perform the study procedures and agrees to wear sensors at least five (5) days per week (722 Arm only) during the study period. * Subject is able to use the study devices (722 Arm only) as labeled * Subject has reviewed and signed the Informed consent, HIPPA Authorization, and California Experimental Subject's Bill of Rights (California only). * Subject has the capability to upload their insulin pumps or glucose meters every two weeks; access to the Internet and specific computer system requirements are necessary to participate in the study Exclusion Criteria: * Subject is pregnant or planning to become pregnant during the course of the study. * Subject has a history of tape allergies that have not been resolved. * Subject self-reports any skin abnormality (i.e. psoriasis, rash, and staphylococcus infection). * Subject has any additional condition(s) (medical, social, or psychosocial) that in the Investigator's opinion would warrant exclusion from the study or prevent the subject from completing or complying with the study requirements. * Subject is currently or within past 4 weeks participated in an investigational study (drug or device). Subject has a history of tape allergies that have not been resolved.