Celiac Disease and Diabetes Longitudinal Follow-up and Evaluation Study

Celiac Disease and Diabetes Longitudinal Follow-up and Evaluation Study (CD-LiFE)

To the investigators' knowledge, no single long-term prospective observational study has assessed dietary factors, diabetes clinical variables (metabolic control and associated complications), and self -perceived health and wellness in T1D patients (both pediatric and adult) with CD identified by screening (positive/weakly positive serology). The aim of the current study is to observe the short- and long-term outcomes for Type 1 diabetic patients with new serology positive asymptomatic CD.

Inclusion Criteria:

1. Males and females between the ages of 8 and 50 years with positive/weakly positive serologic CD screening or who have completed the CD-DIET trial.
2. Diagnosis of T1D by American Diabetes Association (ADA) criteria with duration of T1D equal to or greater than 1 year from time of signing Screening Informed Consent for CD-DIET trial.
3. Ability of the subject or a legally authorized representative to speak and read English or French.
4. Participation in the screening portion of the CD-DIET Study.

Exclusion Criteria:

1. A condition which, in the opinion of the investigator, may interfere with the subject's ability to participate in the study.