The Environmental Determinants of Diabetes in the Young (TEDDY) study was initiated in 2003 by six clinical centers in the United States and Europe, including ours, to identify infectious agents, dietary factors, or other environmental exposures that may trigger or protect against the development of islet autoimmunity and type 1 diabetes (T1D). Additional long-term scientific goals include assessment of potential gene-environment interactions affecting development of islet autoimmunity or T1D, gaining insight on mechanisms, and sharing collected specimens with broader scientific community for studies of T1D pathogenesis and prevention. A total of 424,788 newborns have been screened by HLA-DR, DQ genotyping to identify children at increased risk for T1D and 8677 are followed four times a year until 4 years of age and twice a year thereafter until age 15. Our Clinical Center has enrolled 965 TEDDY participants;of those 35 have developed persistent confirmed islet autoantibodies and 6 have been diagnosed with T1D, as of 6/30/2012.
The specific aims of this renewal application for our multi-center, prospective cohort study are to: 1) Follow the TEDDY cohort of 8677 high-risk children for development of islet autoimmunity and diabetes and celiac disease for 5 more years;2) Collect all planned biological specimens and epidemiological data according to the standard TEDDY protocol including close monitoring of performance and of the quality of samples and data;3) Perform planned laboratory tests at appropriate times using a nested case-control study design to answer specific scientific questions and hypotheses pertinent to the TEDDY study goals;4) Analyze and publish laboratory and epidemiological data in collaboration with the TEDDY Data Coordinating Center (funded separately), and 5) Guide the ongoing TEDDY project by participation of the Clinical Center investigators and staff in work of the study Steering Committee and sub-committees. A successful study outcome should allow better understanding of the etiology and pathogenesis of islet autoimmunity and T1D and the development of new strategies to prevent, delay, or reverse the disease.
The Environmental Determinants of Diabetes in the Young (TEDDY) Study is designed to intensively study children from infancy to 15 years of age, at six clinical centers across four countries (Finland, Sweden, Germany, and the USA in Georgia/Florida, Colorado, and Washington). Infants screened at birth and identified as genetically (HLA) eligible were offered enrollment in the follow-up study, regardless of gender or ethnicity. The primary objective of this multi-center, prospective cohort study initiated in 2003 i the identification of infections agents, dietary factors, or other environmental exposures that trigger or protect against the development of islet autoimmunity and type 1diabetes (T1D).
|Uusitalo, Ulla; Liu, Xiang; Yang, Jimin et al. (2016) Association of Early Exposure of Probiotics and Islet Autoimmunity in the TEDDY Study. JAMA Pediatr 170:20-8|
|Sharma, Ashok; Liu, Xiang; Hadley, David et al. (2016) Identification of Non-HLA Genes Associated with Celiac Disease and Country-Specific Differences in a Large, International Pediatric Cohort. PLoS One 11:e0152476|
|Yang, Jimin; Lynch, Kristian F; Uusitalo, Ulla M et al. (2016) Factors associated with longitudinal food record compliance in a paediatric cohort study. Public Health Nutr 19:804-13|
|TÃ¶rn, Carina; Liu, Xiang; Hagopian, William et al. (2016) Complement gene variants in relation to autoantibodies to beta cell specific antigens and type 1 diabetes in the TEDDY Study. Sci Rep 6:27887|
|Johnson, Suzanne Bennett; Lynch, Kristian F; Baxter, Judith et al. (2016) Predicting Later Study Withdrawal in Participants Active in a Longitudinal Birth Cohort Study for 1 Year: The TEDDY Study. J Pediatr Psychol 41:373-83|
|AndrÃ©n Aronsson, Carin; Lee, Hye-Seung; Koletzko, Sibylle et al. (2016) Effects of Gluten Intake on Risk of Celiac Disease: A Case-Control Study on a Swedish Birth Cohort. Clin Gastroenterol Hepatol 14:403-409.e3|
|Haghighi, Mona; Johnson, Suzanne Bennett; Qian, Xiaoning et al. (2016) A Comparison of Rule-based Analysis with Regression Methods in Understanding the Risk Factors for Study Withdrawal in a Pediatric Study. Sci Rep 6:30828|
|Swartling, Ulrica; Lynch, Kristian; Smith, Laura et al. (2016) Parental Estimation of Their Child's Increased Type 1 Diabetes Risk During the First 2 Years of Participation in an International Observational Study: Results From the TEDDY study. J Empir Res Hum Res Ethics 11:106-14|
|Vehik, Kendra; Lynch, Kristian F; Schatz, Desmond A et al. (2016) Reversion of Î²-Cell Autoimmunity Changes Risk of Type 1 Diabetes: TEDDY Study. Diabetes Care 39:1535-42|
|Elding Larsson, Helena; Vehik, Kendra; Haller, Michael J et al. (2016) Growth and Risk for Islet Autoimmunity and Progression to Type 1 Diabetes in Early Childhood: The Environmental Determinants of Diabetes in the Young Study. Diabetes 65:1988-95|
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