Recent-Onset Type 1 Diabetes Extension Study Evaluating the Long-Term Safety of Teplizumab

Summary

Participation Requirements

Description

This study is the long-term extension of the PRV-031-001 (PROTECT) study. PROTECT is a Phase 3, randomized, double-blind, placebo-controlled, multinational, multi-center study to evaluate the efficacy and safety of teplizumab, a humanized, anti-CD3 monoclonal antibody, in children and adolescents ag...

This study is the long-term extension of the PRV-031-001 (PROTECT) study. PROTECT is a Phase 3, randomized, double-blind, placebo-controlled, multinational, multi-center study to evaluate the efficacy and safety of teplizumab, a humanized, anti-CD3 monoclonal antibody, in children and adolescents ages 8 through 17 recently diagnosed with type 1 diabetes (within 6 weeks of diagnosis). Approximately 300 participants will be randomized at a ratio of 2:1 to the teplizumab or placebo and will receive two courses of treatment administered 6 months apart with final follow-up at approximately 18 months (78 weeks) after the first dose. Participants who complete the PROTECT study are invited to enroll in this observational, extension study to collect long-term safety and other clinical data. The decision to participate can be made within 6 months of completing the PROTECT study. No study drug will be administered during this extension study. Participants will continue to receive standard care for type 1 diabetes from their primary physicians. Participants will return to the study sites for assessments once every 6 months through Month 42. Therefore, the combined duration of the PROTECT and PROTECT Extension studies will be 60 months.

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