A Longitudinal, Observational Study Comparing Real-World Experiences of Teplizumab-Treated and Untreated Participants With Stage 2 Type 1 Diabetes in the United States

Brief summary (registry, in English)

This study is an observational, longitudinal, non-interventional real-world study in the United States. The study is meant to describe the experience of participants with a history of stage 2 type 1 diabetes who have been infused with teplizumab and the experience of participants with stage 2 type 1 diabetes who have not been infused with teplizumab, and to compare descriptively the experiences of the two groups. Primary Objective: \- To characterize health related quality of life, diabetes-related anxiety, diabetes-related burden, and ease of diabetes management, and how participants feel, form and function in those who infused and those who did not infuse with teplizumab Secondary Objectives: * To show the clinical transitions experienced by those who infused and those who did not infuse with teplizumab * To describe the prevalence and timing of diabetes misclassification and the temporal patterns between misclassification, antibody testing, and the correct diagnosis of type 1 diabetes in those who infused and those who did not infuse with teplizumab * To estimate the impact of diagnostic misclassification on the timing of progression to stage 3 type 1 diabetes in those who infused and those who did not infuse with teplizumab * To characterize glucose monitoring strategies in those who infused and those who did not infuse with teplizumab where possible * To characterize insulin use in those who infused and those who did not infuse with teplizumab where possible * To characterize longitudinal health care resource utilization in those who infused and those who did not infuse with teplizumab

What you commit to

• Study type: Observational
• Planned participants: 550
• From 31 Oct 2025 to the primary completion date, 3 Dec 2030
• 1 site in 1 country
• Visits and tests: ask the trial team, the registry does not list them

Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.

Who cannot take part

Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.

Who the study is looking for

Age in the registry: 8 years to - · Sex: All · Does not accept healthy volunteers

Full criteria on ClinicalTrials.gov

Sites (1)

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