Thursday, December 18, 2025 12/18/2025

1/2 Rare Genetic Variation and Risk for Obsessive Compulsive Disorder

Award Number: R01MH124679
ORGANIZATION: NATIONAL INSTITUTE OF MENTAL HEALTH
OPDIV: NIH
AWARD CLASS: DISCRETIONARY
AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)
PERIOD OF PERFORMANCE START DATE: 12/15/2020
PERIOD OF PERFORMANCE END DATE: 10/31/2025

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1/2 Rare Genetic Variation and Risk for Obsessive Compulsive Disorder - Project Summary In this study we seek to understand how rare genetic variation in all protein coding genes (the exome) influences the risk of developing obsessive-compulsive disorder (OCD). OCD is of major public health importance owing to its profound personal and societal costs. Little is known for certain about its etiology, and treatment, detection and prevention strategies are not optimal or directed by knowledge of pathophysiology. In other psychiatric disorders (e.g., autism, intellectual disability, schizophrenia, ADHD), whole exome sequencing (WES) in large numbers of subjects has begun to deliver fundamental knowledge about genetic architecture, identify specific loci for biological follow-up and localize pathways altered in disease. We intend to realize these same advances for OCD by markedly increasing the worldwide number of OCD subjects with WES data, in a first step toward elucidating the fundamental biology of this condition. Three overlapping areas will be investigated in this project. First, we will produce WES data from 5,100 OCD subjects and 3,000 ancestry-matched controls, all from Sweden and Norway. Sequencing individuals from these countries provides the substantial advantage of knowing about co-morbid conditions. We will call rare genetic variation from the sequencing data. Second, we will combine these new data with existing WES data for ~1,400 OCD cases and ~8,000 controls. This will increase power to identify OCD risk genes, which we will do using a combination of existing and novel analytical methods. Third, we will further refine our understanding of the genetic architecture of OCD, focusing on the relationship of OCD risk to risk for other neurodevelopmental disorders, including tic disorders, autism, ADHD, schizophrenia and bipolar disorder. Combining WES data from multiple large studies will enhance power to identify shared loci and begin to identify loci with greater specificity for OCD. Overall, we believe this study will improve our understanding of genetic risk factors for OCD, with a view towards improving clinical outcomes and reducing chronicity and societal costs.


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: 2026 ( Subtotal = $0 )
2026	2025	ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI	1 GUSTAVE L LEVY PL	NEW YORK	NY	10029	NEW YORK	USA	Mental Health Research Grants	000	5	10/14/2025	NON-COMPETING CONTINUATION	$0
														Subtotal = $0

Issue Date FY: 2025 ( Subtotal = $445,599 )
2025	2025	ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI	1 GUSTAVE L LEVY PL	NEW YORK	NY	10029	NEW YORK	USA	Mental Health Research Grants	000	5	3/5/2025	NON-COMPETING CONTINUATION	$445,599
														Subtotal = $445,599

Issue Date FY: 2024 ( Subtotal = $592,004 )
2024	2024	ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI	1 GUSTAVE L LEVY PL	NEW YORK	NY	10029	NEW YORK	USA	Mental Health Research Grants	001	4	7/5/2024	NON-COMPETING CONTINUATION	$59,199
2024	2024	ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI	ONE GUSTAVE L LEVY PL	NEW YORK	NY	10029	NEW YORK	USA	Mental Health Research Grants	000	4	10/31/2023	NON-COMPETING CONTINUATION	$532,805
														Subtotal = $592,004

Issue Date FY: 2023 ( Subtotal = $556,291 )
2023	2023	ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI	ONE GUSTAVE L LEVY PL	NEW YORK	NY	10029	NEW YORK	USA	Mental Health Research Grants	000	3	11/1/2022	NON-COMPETING CONTINUATION	$500,662
2023	2023	ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI	ONE GUSTAVE L LEVY PL	NEW YORK	NY	10029	NEW YORK	USA	Mental Health Research Grants	001	3	2/23/2023	NON-COMPETING CONTINUATION	$55,629
														Subtotal = $556,291

Issue Date FY: 2022 ( Subtotal = $694,326 )
2022	2022	ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI	ONE GUSTAVE L LEVY PL	NEW YORK	NY	10029	NEW YORK	USA	Mental Health Research Grants	000	2	10/28/2021	NON-COMPETING CONTINUATION	$624,893
2022	2022	ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI	ONE GUSTAVE L LEVY PL	NEW YORK	NY	10029	NEW YORK	USA	Mental Health Research Grants	001	2	6/21/2022	NON-COMPETING CONTINUATION	$69,433
														Subtotal = $694,326

Issue Date FY: 2021 ( Subtotal = $740,190 )
2021	2021	ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI	ONE GUSTAVE L LEVY PL	NEW YORK	NY	10029	NEW YORK	USA	Mental Health Research Grants	000	1	12/14/2020	NEW	$666,172
2021	2021	ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI	ONE GUSTAVE L LEVY PL	NEW YORK	NY	10029	NEW YORK	USA	Mental Health Research Grants	002	1	5/5/2021	NEW	$74,018
2021	2021	ICAHN SCHOOL OF MEDICINE AT MOUNT SINAI	ONE GUSTAVE L LEVY PL	NEW YORK	NY	10029	NEW YORK	USA	Mental Health Research Grants	001	1	12/24/2020	NEW	$0
														Subtotal = $740,190

Grand Total All Awards = $3,028,410

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1/2 Rare Genetic Variation and Risk for Obsessive Compulsive Disorder

Award Number: R01MH124679

ORGANIZATION: NATIONAL INSTITUTE OF MENTAL HEALTH

OPDIV: NIH

AWARD CLASS: DISCRETIONARY

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

PERIOD OF PERFORMANCE START DATE: 12/15/2020

PERIOD OF PERFORMANCE END DATE: 10/31/2025

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