ACZ885 in Type 1 Diabetes Mellitus

Inclusion Criteria: * diagnosis of type 1 diabetes within 3 months of visit 1 and on a stable insulin regimen * presence of at least one diabetes-related autoantibody * qualifying C-peptide value in a mixed meal test at visit 1 * willing to not have vaccination with a live vaccine for 18 months, from 3 months before visit 1 until 3 months after the last dose of study drug * body weight of at least 30 kg Exclusion Criteria: * women of child-bearing potential unless a highly effective method of birth control is used (such as combined oral contraceptives, intrauterine devices, etc) * immunodeficiency * active infections or febrile illness within 3 days before visit 1 * major dental work within 8 days before visit 1 * positive test for tuberculosis at visit 1 * use of medications other than insulin for the treatment of diabetes Other protocol-defined inclusion/exclusion criteria may apply