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Critical Windows in the Development of Asthma Endotypes and Phenotypes in High-Risk Toddlers

Award Number: U01AI160033
ORGANIZATION: NATIONAL INSTITUTE OF ALLERGY & INFECTIOUS DISEASES
OPDIV: NIH
AWARD CLASS: COOPERATIVE AGREEMENT
AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)
PERIOD OF PERFORMANCE START DATE: 04/21/2021
PERIOD OF PERFORMANCE END DATE: 03/31/2028

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Critical Windows in the Development of Asthma Endotypes and Phenotypes in High-Risk Toddlers - Project Summary Asthma remains a prevalent public health concern that disproportionately affects children living in urban low- income settings. Previous studies have identified multiple pathobiological subtypes (i.e., endotypes) of childhood asthma, notably the airway Type 2 inflammation high (T2-high) asthma endotype. Endotypic understanding of asthma has led to better asthma management through personalized therapy. Yet, asthma endotype research is still in its infancy, and the pathobiologic mechanisms driving disease in many children remains to be determined. In particular, the timing and mechanisms of airway endotype development and relationships to lung dysfunction are unexplored. The University of Colorado School of Medicine CAUSE Clinical Research Center project WINDOWS seeks to identify critical windows in airway endotype development that lead to lung dysfunction and disease, providing potential targets for asthma prevention. WINDOWS is an early-life longitudinal cohort study of high-risk urban children that maps the molecular steps in the development of airway endotypes, which lead to early-life lung function deficits, and eventually persistent childhood asthma. We are recruiting toddlers age 1.5-3 years from urban, low-income families with a history of at least three wheezing or asthma episodes requiring treatment to enrich for children at highest risk of asthma persistence. They will be followed over four years with annual airway molecular endotyping and lung function assessments to age 6-7 years, when persistent asthma status will be ascertained. Sequential RNA sequencing of nasal airway samples obtained during early childhood will reveal new insights into the mechanisms underlying both T2-high and non-T2-high asthma, which will be coupled with measures of airway obstruction using the forced oscillation technique and impedance pneumography. Comparing subjects that do and do not develop asthma will allow us to distinguish airway endotype and lung function phenotype features associated with progression from an early life high risk state to childhood asthma. The aims of WINDOWS are to 1) characterize trajectories of lung function and progression of wheezing phenotypes from early life through childhood in a cohort of toddlers at high risk for developing childhood asthma; 2) transcriptionally characterize the airway epithelium from early life through childhood in toddlers at high risk for developing childhood asthma; and 3) determine the relationship between airway transcriptome profiles and measures of lung function in early life and how these early life molecular and physiologic features relate to the clinical characteristic of childhood asthma. WINDOWS will provide insights into the role of airway dysfunction in the development of childhood asthma by using innovative methods to investigate airway biology and physiology in early life, which will fill the gap in understanding airway resilience and asthma prevention.


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 = $343,768 )
2025	2025	THE REGENTS OF THE UNIV. OF COLORADO	13001 E 17TH PL STE F428	AURORA	CO	80045	ADAMS	USA	Allergy and Infectious Diseases Research	000	5	4/10/2025	NON-COMPETING CONTINUATION	$343,768
														Subtotal = $343,768

Issue Date FY: 2024 ( Subtotal = $345,774 )
2024	2024	THE REGENTS OF THE UNIVERSITY OF COLORADO	13001 E 17TH PL STE F428	AURORA	CO	80045	ADAMS	USA	Allergy and Infectious Diseases Research	000	4	4/24/2024	NON-COMPETING CONTINUATION	$345,774
														Subtotal = $345,774

Issue Date FY: 2023 ( Subtotal = $339,644 )
2023	2023	REGENTS OF THE UNIVERSITY OF COLORADO, THE	13001 E 17TH PLACE F428	AURORA	CO	80045	ADAMS	USA	Allergy and Infectious Diseases Research	002	3	4/14/2023	NON-COMPETING CONTINUATION	$339,644
2023	2022	REGENTS OF THE UNIVERSITY OF COLORADO, THE	13001 E 17TH PLACE F428	AURORA	CO	80045	ADAMS	USA	Allergy and Infectious Diseases Research	001	2	4/13/2023	NON-COMPETING CONTINUATION	$0
2023	2022	REGENTS OF THE UNIVERSITY OF COLORADO, THE	13001 E 17TH PLACE F428	AURORA	CO	80045	ADAMS	USA	Allergy and Infectious Diseases Research	000	2	1/6/2023	NON-COMPETING CONTINUATION	$0
														Subtotal = $339,644

Issue Date FY: 2022 ( Subtotal = $326,021 )
2022	2022	REGENTS OF THE UNIVERSITY OF COLORADO, THE	13001 E 17TH PLACE F428	AURORA	CO	80045	ADAMS	USA	Allergy and Infectious Diseases Research	000	2	3/8/2022	NON-COMPETING CONTINUATION	$326,021
														Subtotal = $326,021

Issue Date FY: 2021 ( Subtotal = $329,358 )
2021	2021	REGENTS OF THE UNIVERSITY OF COLORADO, THE	13001 E 17TH PLACE F428	AURORA	CO	80045	ADAMS	USA	Allergy and Infectious Diseases Research	000	1	4/21/2021	NEW	$329,358
														Subtotal = $329,358

Grand Total All Awards = $1,684,565

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Critical Windows in the Development of Asthma Endotypes and Phenotypes in High-Risk Toddlers

Award Number: U01AI160033

ORGANIZATION: NATIONAL INSTITUTE OF ALLERGY & INFECTIOUS DISEASES

OPDIV: NIH

AWARD CLASS: COOPERATIVE AGREEMENT

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

PERIOD OF PERFORMANCE START DATE: 04/21/2021

PERIOD OF PERFORMANCE END DATE: 03/31/2028

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