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Effects of Acute and Chronic Alcohol Intoxication on Fracture Healing in Orthopaedic Trauma Patients: Effects on Mesenchymal Stem Cell Lineage Differentiation Required for Fracture Repair

Award Number: R21AA029993
ORGANIZATION: NATIONAL INSTITUTE ON ALCOHOL ABUSE AND ALCOHOLISM
OPDIV: NIH
AWARD CLASS: DISCRETIONARY
AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)
PERIOD OF PERFORMANCE START DATE: 06/20/2022
PERIOD OF PERFORMANCE END DATE: 05/31/2026

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Effects of Acute and Chronic Alcohol Intoxication on Fracture Healing in Orthopaedic Trauma Patients: Effects on Mesenchymal Stem Cell Lineage Differentiation Required for Fracture Repair - 7. PROJECT SUMMARY/ABSTRACT Excessive alcohol consumption resulting in disease and increasing the risk of traumatic injury contributes significantly to the public health burden in the United States. The skeleton is a significant target organ for the deleterious effects of alcohol because it suffers alcohol-related damage in two distinct ways; both directly from excessive alcohol consumption, and indirectly due to the increased risk for traumatic injury caused by alcohol drinking behavior. Fracture nonunion is a condition where a bone fracture injury fails to heal normally requiring surgical intervention and alcohol consumption has been shown to contribute to the risk for this serious clinical complication. Currently, clinical options for patients with a non-healing fracture such as surgical grafting of autogenous or de-mineralized bone preparations each have serious limitations. Obtaining autogenous bone graft is effectively a separate surgical procedure at risk for another set complications and de-mineralized bone preparations are unreliable. Normal fracture healing is a regenerative process that utilizes stem cells to rebuild new bone at the injury site. However, we currently do not understand how alcohol affects the activity of stem cells at the fracture site. We believe that alcohol consumption negatively affects stem cell activity that is critical to successful fracture repair. The goal of this exploratory investigation is to examine the effects of alcohol consumption on stem cell differentiation potential, using clinical samples obtained from alcohol-intoxicated orthopaedic trauma patients at the time of surgery. This will be the first examination of whether alcohol consumption at the time of injury affects the ability of stem cells to heal a bone fracture. The study will also examine a potential mechanism that causes alcohol to inhibit stem cells from differentiating into cell types required for normal fracture repair. Because young people are more likely to suffer traumatic injury, it is important to understand the effects of episodic or binge drinking on fracture repair as binge alcohol consumption is the prevalent pattern of alcohol drinking in both adolescent and young adult populations. The fact that about 40% of the orthopaedic inpatient population is intoxicated at the time of hospital admission underscores the significance of understanding the impact of binge alcohol consumption on the fracture repair process. We believe that the data obtained from this proposal will lead to a better understanding of why alcohol consumption negatively impacts the fracture repair process and how we can improve the prognosis for orthopaedic trauma patients with bone fracture injuries complicated by concomitant alcohol consumption though the use of targeted therapeutic regimens.


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: 2027 ( Subtotal = $0 )
2027	2023	LOYOLA UNIVERSITY OF CHICAGO	2160 S 1ST AVE	MAYWOOD	IL	60153	COOK	USA	Alcohol Research Programs	000	2	10/9/2026	NON-COMPETING CONTINUATION	$0
														Subtotal = $0

Issue Date FY: 2025 ( Subtotal = $0 )
2025	2023	LOYOLA UNIVERSITY OF CHICAGO	2160 S 1ST AVE	MAYWOOD	IL	60153	COOK	USA	Alcohol Research Programs	000	2	9/25/2025	NON-COMPETING CONTINUATION	$0
														Subtotal = $0

Issue Date FY: 2023 ( Subtotal = $182,875 )
2023	2023	LOYOLA UNIVERSITY OF CHICAGO	2160 S 1ST AVE	MAYWOOD	IL	60153	COOK	USA	Alcohol Research Programs	000	2	5/31/2023	NON-COMPETING CONTINUATION	$182,875
														Subtotal = $182,875

Issue Date FY: 2022 ( Subtotal = $221,375 )
2022	2022	LOYOLA UNIVERSITY OF CHICAGO	2160 S 1ST AVE	MAYWOOD	IL	60153	COOK	USA	Alcohol Research Programs	000	1	6/15/2022	NEW	$221,375
														Subtotal = $221,375

Grand Total All Awards = $404,250

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Effects of Acute and Chronic Alcohol Intoxication on Fracture Healing in Orthopaedic Trauma Patients: Effects on Mesenchymal Stem Cell Lineage Differentiation Required for Fracture Repair

Award Number: R21AA029993

ORGANIZATION: NATIONAL INSTITUTE ON ALCOHOL ABUSE AND ALCOHOLISM

OPDIV: NIH

AWARD CLASS: DISCRETIONARY

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

PERIOD OF PERFORMANCE START DATE: 06/20/2022

PERIOD OF PERFORMANCE END DATE: 05/31/2026

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