The long-term objective of this proposal is the prevention of autoimmune mediated Type 1 diabetes mellitus (T1DM). T1DM is a serious life limiting disease that strikes predominantly in children and adolescents. The TrialNet clinical research network, the focus of the proposal, designs and conducts studies aimed at preventing or delaying the onset or progression of type 1 diabetes, both highly relevant public health goals. Many promising interventions must be tested in a safe and efficient manner in order to achieve this goal. A well-organized cooperative network of capable institutes, the Type 1 Diabetes TrialNet group, has greatly facilitated the prompt completion of many clinical trials needed to test these potential interventions. The application responds to the RFA to select the clinical centers that will form TrialNet for the next 5 years. The goal of this proposal is to both continu and improve the infrastructure essential to completing the current TrialNet studies seeking to prevent T1DM in subjects at risk for T1DM, and to preserve endogenous insulin secretion in subjects with new onset T1DM. This application reviews Stanford's five-year experience as a successful and productive TrialNet national center in California and highlights Stanford's plans for extending and improving recruitment and retention activities for the next 5 years. These plans include both completing the current TrialNet studies and implementing the expected upcoming trials. The Stanford University TrialNet Center aggressively recruits relatives into the Pathway to Prevention study both at Stanford University and across our affiliate network in California, Nevada, and Arizona. This study is the path to all of TrialNet's T1DM prevention trials. Our center has been very successful at transitioning eligible subjects into TrialNet's randomized prevention trials. Long-term retention of Stanford's subjects in all studies continues to be outstanding. The Stanford University TrialNet Center has enrolled subjects in four Mechanistic trials, six trials designed to preserve endogenous insulin product at the onset of T1DM, and five T1DM prevention trials. Stanford is particularly proud of its role in conceiving and leading the Effects of Metabolic at Onset of Diabetes on Progression of T1DM to its successful conclusion. The Stanford University TrialNet Center is well positioned to continue to support TrialNet's ultimate raison d'?tre, the prevention of T1DM.

Public Health Relevance

Type 1 diabetes mellitus is a serious, chronic, life limiting disease that strikes predominantly in children and adolescents. The TrialNet clinical research network, the focus of the proposal, designs and conducts studies aimed at preventing or delaying the onset or progression of type 1 diabetes, both highly relevant public health goals.

Agency
National Institute of Health (NIH)
Institute
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
Type
Research Project--Cooperative Agreements (U01)
Project #
2U01DK061042-13
Application #
8776563
Study Section
Special Emphasis Panel (ZDK1-GRB-J (M2))
Program Officer
Leschek, Ellen W
Project Start
2001-09-29
Project End
2019-04-30
Budget Start
2014-08-15
Budget End
2015-04-30
Support Year
13
Fiscal Year
2014
Total Cost
$493,589
Indirect Cost
$186,057
Name
Stanford University
Department
Pediatrics
Type
Schools of Medicine
DUNS #
009214214
City
Stanford
State
CA
Country
United States
Zip Code
94305
Redondo, Maria J; Geyer, Susan; Steck, Andrea K et al. (2018) TCF7L2 Genetic Variants Contribute to Phenotypic Heterogeneity of Type 1 Diabetes. Diabetes Care 41:311-317
Sosenko, Jay M; Geyer, Susan; Skyler, Jay S et al. (2018) The influence of body mass index and age on C-peptide at the diagnosis of type 1 diabetes in children who participated in the diabetes prevention trial-type 1. Pediatr Diabetes 19:403-409
Ismail, Heba M; Xu, Ping; Libman, Ingrid M et al. (2018) The shape of the glucose concentration curve during an oral glucose tolerance test predicts risk for type 1 diabetes. Diabetologia 61:84-92
Culina, Slobodan; Lalanne, Ana Ines; Afonso, Georgia et al. (2018) Islet-reactive CD8+ T cell frequencies in the pancreas, but not in blood, distinguish type 1 diabetic patients from healthy donors. Sci Immunol 3:
Vecchio, Federica; Lo Buono, Nicola; Stabilini, Angela et al. (2018) Abnormal neutrophil signature in the blood and pancreas of presymptomatic and symptomatic type 1 diabetes. JCI Insight 3:
Redondo, Maria J; Steck, Andrea K; Sosenko, Jay et al. (2018) Transcription Factor 7-Like 2 (TCF7L2) Gene Polymorphism and Progression From Single to Multiple Autoantibody Positivity in Individuals at Risk for Type 1 Diabetes. Diabetes Care 41:2480-2486
Sanda, Srinath; Type 1 Diabetes TrialNet Study Group (2018) Increasing ICA512 autoantibody titers predict development of abnormal oral glucose tolerance tests. Pediatr Diabetes 19:271-276
Yeo, Lorraine; Woodwyk, Alyssa; Sood, Sanjana et al. (2018) Autoreactive T effector memory differentiation mirrors ? cell function in type 1 diabetes. J Clin Invest 128:3460-3474
Redondo, Maria J; Geyer, Susan; Steck, Andrea K et al. (2018) A Type 1 Diabetes Genetic Risk Score Predicts Progression of Islet Autoimmunity and Development of Type 1 Diabetes in Individuals at Risk. Diabetes Care 41:1887-1894
Greenbaum, Carla J; Speake, Cate; Krischer, Jeffrey et al. (2018) Strength in Numbers: Opportunities for Enhancing the Development of Effective Treatments for Type 1 Diabetes-The TrialNet Experience. Diabetes 67:1216-1225

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