Extension Study to Assess Safety and Efficacy of Mylan's Insulin Glargine and Lantus® in Type 1 Diabetes Mellitus (T1DM) Patients

This multi-center, open-label, randomized clinical extension study in patients with T1DM will assess safety and efficacy of Mylan's insulin glargine and Lantus®. Patients with an established diagnosis of T1DM per American Diabetes Association 2014 criteria who were randomized to the Lantus® treatment arm of the Mylan Glargine 3001 study, and who have completed the 52-week treatment period on Lantus® will be eligible to be screened for the MYL-1501D-3003 study.