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Cognitive, structural and functional impact of new onset type 1 diabetes on the brain of young children: Understanding risks and protective factors

Award Number: U01DK140734
ORGANIZATION: NATIONAL INSTITUTE OF DIABETES & DIGESTIVE & KIDNEY DISEASES
OPDIV: NIH
AWARD CLASS: COOPERATIVE AGREEMENT
AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)
PERIOD OF PERFORMANCE START DATE: 08/15/2024
PERIOD OF PERFORMANCE END DATE: 06/30/2029

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Cognitive, structural and functional impact of new onset type 1 diabetes on the brain of young children: Understanding risks and protective factors - An increasing body of data show the brain is a target of diabetes complications. We and others have investigated the impact of type 1 diabetes (T1D) in the developing brain in children as young as 4-years old. Using structural and functional brain MRI, neurocognitive assessments, and continuous glucose monitoring (CGM) we observed quantifiable differences in gray and white matter volume (and microstructure) in children with T1D compared to age-matched nondiabetic controls, and meaningful differences in working memory, executive function scores, and performance IQ. Differences widened as children were studied 4-times over nearly 8-years, findings strongly correlated to hyperglycemia. This Funding Opportunity seeks to further investigate neurocognitive and psychological function in children with new onset diabetes. Our preliminary data raise important questions as to the impact of better normalization of blood glucose using advanced insulin delivery (AID)/closed-loop systems. We propose an observational, longitudinal study in a large cohort of 4-10-year old prepubertal children with new onset T1D (n=525) presenting with or without diabetic ketoacidosis (DKA), studied within 4-6 weeks of diagnosis, compared to age-matched nondiabetic controls (preferably siblings and classmates) (n=175). Primary Aims: (1) To determine their neurocognitive function (principal); (2) To correlate neurocognitive function scores with metrics of dysglycemia, and severity of diabetes and DKA at presentation; (3) To assess patient/family reported perceptions of quality of life, including diabetes distress and psychological aspects; (4) To correlate above AIMS with use of AID closed-loop technologies;(5) To assess structural gray and white matter volume and white matter microstructure and functional (f)MRI during cognitive tasks (baseline & 24-months). All outcomes adjusted by level of glycemia. To accomplish this, we will perform standardized neurocognitive testing (NIH toolbox), psychological assessments, structural and functional MRI using multimodal imaging, CGM downloads and HbA1c. Children will be recruited across 10 centers selected along a Biostatistical Research Core. Children with T1D will be followed quarterly, CGM and pump (if applicable) data downloaded, principal assessments done at baseline, 12 and 24-months. This principal investigator, and the experienced team assembled, bring considerable expertise and strength to the new network, with an outstanding record of accomplishments studying T1D and the brain in children and well-established clinical and research infrastructure. This innovative proposal will offer critical insight on developmental and cognitive trajectories in young children with new onset T1D and whether better glycemic control, including early use of AID technology can prevent or improve cognitive outcomes.


Issue Date FY	Funding FY	Legal Entity Name	Legal Entity Address	Legal Entity City	Legal Entity State	Legal Entity Zip Code	Legal Entity COUNTY	Legal Entity COUNTRY	Assistance Listing	Award Code	Budget Year	Action Date	Action Type	Action Amount

Issue Date FY: 2025 ( Subtotal = $527,712 )
2025	2025	THE NEMOURS FOUNDATION	807 CHILDRENS WAY	JACKSONVILLE	FL	32207	DUVAL	USA	Diabetes, Digestive, and Kidney Diseases Extramural Research	000	2	7/24/2025	NON-COMPETING CONTINUATION	$527,712
														Subtotal = $527,712

Issue Date FY: 2024 ( Subtotal = $277,540 )
2024	2024	THE NEMOURS FOUNDATION	807 CHILDRENS WAY	JACKSONVILLE	FL	32207	DUVAL	USA	Diabetes, Digestive, and Kidney Diseases Extramural Research	000	1	8/13/2024	NEW	$277,540
														Subtotal = $277,540

Grand Total All Awards = $805,252

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Cognitive, structural and functional impact of new onset type 1 diabetes on the brain of young children: Understanding risks and protective factors

Award Number: U01DK140734

ORGANIZATION: NATIONAL INSTITUTE OF DIABETES & DIGESTIVE & KIDNEY DISEASES

OPDIV: NIH

AWARD CLASS: COOPERATIVE AGREEMENT

AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)

PERIOD OF PERFORMANCE START DATE: 08/15/2024

PERIOD OF PERFORMANCE END DATE: 06/30/2029

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