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Genetics of Insulin and Incretins in Cystic Fibrosis
Sponsor: Children's Hospital of Philadelphia
Summary
Cystic fibrosis related diabetes (CFRD) is associated with worse CF-relevant outcomes. The mechanisms underlying CFRD development are not fully understood, but recent evidence suggests Type 2 Diabetes Mellitus (T2DM) mechanisms may be involved and may involve incretins (gut secreted hormones that augment insulin secretion in response to a nutrient load). This study will examine the prevalence of Genome wide association study (GWAS)-implicated T2DM alleles (including TCF7L2) across the spectrum of glucose abnormalities in CF and will use this information to compare incretin and insulin secretion in non-diabetic children and adults with high risk and low risk alleles.
Official title: Evaluation of the Enteroinsular Axis in Cystic Fibrosis
Key Details
Gender
All
Age Range
2 Years - Any
Study Type
OBSERVATIONAL
Enrollment
550
Start Date
2013-05
Completion Date
2026-07
Last Updated
2025-07-25
Healthy Volunteers
No
Conditions
Interventions
Blood or Saliva Sample Collection
A blood or saliva sample will be obtained for genotyping of TCF7L2 and approximately ten other genes implicated in type 2 diabetes.
Locations (2)
The Children's Hopsital of Philadelphia
Philadelphia, Pennsylvania, United States
The University of Pennsylvania
Philadelphia, Pennsylvania, United States