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Maternal Marijuana Use During Pregnancy, Marijuana Legalization, and Adverse Obstetrical and Neonatal Outcomes: A 12-year Cohort Study

Award Number: R01DA047405
ORGANIZATION: NATIONAL INSTITUTE ON DRUG ABUSE
OPDIV: NIH
AWARD CLASS: DISCRETIONARY
AWARD ACTIVITY TYPE: SCIENTIFIC/HEALTH RESEARCH (INCLUDES SURVEYS)

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PROJECT SUMMARY/ABSTRACT Prenatal marijuana use is increasingly recognized as an important public health problem that could have a large scale negative impact on maternal, fetal and neonatal health. We propose a retrospective and prospective longitudinal cohort study of over 400,000 pregnancies screened for prenatal marijuana use based on gold standard self-reported and urine toxicology data from 2009 to 2020, leveraging Kaiser Permanente Northern California’s universal prenatal substance use screening program that is part of standard prenatal care. We will assess associations between maternal marijuana use during pregnancy and key maternal, fetal and neonatal outcomes, controlling for potential confounders (e.g., tobacco use, alcohol and other drug exposure, income) and comparing exposure across trimesters. These analyses also take advantage of a unique natural experiment and will examine whether California state marijuana legalization in 2018 and local regulatory practices (e.g., retailer bans, prominent warnings on marijuana use during pregnancy) are associated with variation in marijuana use during pregnancy. With high generalizability and a sample size unmatched by any other study on this topic, results from each aim have direct implications for the care of pregnant women while providing novel insight to drive future epidemiological and clinical trial-based intervention studies. Aims 1 and 2 will provide generalizable and comprehensive data to understand the health impact of prenatal marijuana use on mothers and their babies. Aim 3 will allow us to identify changing trends in prenatal marijuana use following marijuana legalization and will inform clinicians, researchers, and policy makers of the future scope of the problem. Finally, the study cohort will be a valuable resource for future research on the long-term impact of prenatal marijuana use on maternal and children’s well-being.


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: 2023 ( Subtotal = $625,938 )
2023	2023	KAISER FOUNDATION HOSPITALS	1800 HARRISON ST FL 16	OAKLAND	CA	94612	ALAMEDA	USA	Drug Use and Addiction Research Programs	000	5	3/28/2023	NON-COMPETING CONTINUATION	$625,938
														Subtotal = $625,938

Issue Date FY: 2022 ( Subtotal = $625,522 )
2022	2022	KAISER FOUNDATION HOSPITALS	1800 HARRISON ST FL 16	OAKLAND	CA	94612	ALAMEDA	USA	Drug Use and Addiction Research Programs	000	4	4/21/2022	NON-COMPETING CONTINUATION	$625,522
														Subtotal = $625,522

Issue Date FY: 2021 ( Subtotal = $809,599 )
2021	2021	KAISER FOUNDATION HOSPITALS	1800 HARRISON ST FL 16	OAKLAND	CA	94612	ALAMEDA	USA	Drug Use and Addiction Research Programs	000	3	4/21/2021	NON-COMPETING CONTINUATION	$809,599
														Subtotal = $809,599

Issue Date FY: 2020 ( Subtotal = $810,266 )
2020	2020	KAISER FOUNDATION HOSPITALS	1800 HARRISON ST FL 16	OAKLAND	CA	94612	ALAMEDA	USA	Drug Use and Addiction Research Programs	001	2	6/26/2020	SUPPLEMENT FOR EXPANSION	$162,108
2020	2020	KAISER FOUNDATION HOSPITALS	1800 HARRISON ST FL 16	OAKLAND	CA	94612	ALAMEDA	USA	Drug Use and Addiction Research Programs	000	2	4/24/2020	NON-COMPETING CONTINUATION	$648,158
														Subtotal = $810,266

Issue Date FY: 2019 ( Subtotal = $662,872 )
2019	2019	KAISER FOUNDATION HOSPITALS	1800 HARRISON ST FL 16	OAKLAND	CA	94612	ALAMEDA	USA	Drug Use and Addiction Research Programs	000	1	6/10/2019	NEW	$662,872
														Subtotal = $662,872

Grand Total All Awards = $3,534,197

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Maternal Marijuana Use During Pregnancy, Marijuana Legalization, and Adverse Obstetrical and Neonatal Outcomes: A 12-year Cohort Study

Award Number: R01DA047405

ORGANIZATION: NATIONAL INSTITUTE ON DRUG ABUSE

OPDIV: NIH

AWARD CLASS: DISCRETIONARY

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

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