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Russell DJ, Wyrwoll CS, Preen DB, Kelty E. Investigating maternal and neonatal health outcomes associated with continuing or ceasing dexamphetamine treatment for women with attention-deficit hyperactivity disorder during pregnancy: a retrospective cohort study. Arch Womens Ment Health 2024:10.1007/s00737-024-01450-4. [PMID: 38424254 DOI: 10.1007/s00737-024-01450-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/19/2023] [Accepted: 02/20/2024] [Indexed: 03/02/2024]
Abstract
PURPOSE Attention-deficit hyperactivity disorder (ADHD) is becoming more commonly diagnosed in women, consequently, more women of reproductive age are taking ADHD medication, such as dexamphetamine. However, the safety associated with continuing or ceasing dexamphetamine during pregnancy is unclear. This study investigates outcomes associated with the continuation of dexamphetamine during pregnancy compared to those who ceased or were unexposed. METHODS A population-based retrospective cohort of women from Western Australia who had been dispensed dexamphetamine during pregnancy and gave birth between 2003 and 2018. Women had either continued to take dexamphetamine throughout pregnancy (continuers, n = 547) or ceased dexamphetamine before the end of the second trimester (ceasers, n = 297). Additionally, a matched (1:1) comparison group of women who were dispensed an ADHD medication prior to pregnancy but not during pregnancy (unexposed) was included in the study (n = 844). Multivariable generalised linear models were used to compare maternal and neonatal health outcomes. RESULTS Compared to continuers, ceasers had greater odds of threatened abortion (OR: 2.28; 95%CI: 1.00, 5.15; p = 0.049). The unexposed had some benefits compared to the continuers, which included lower risk of preeclampsia (OR: 0.58; 95%CI: 0.35, 0.97; p = 0.037), hypertension (OR: 0.32; 95%CI: 0.11, 0.93; p = 0.036), postpartum haemorrhage (OR: 0.57; 95%CI: 0.41, 0.80; p = 0.001), neonatal special care unit admittance (OR: 0.16; 95%CI: 0.12, 0.20; p < 0.001) and fetal distress (OR: 0.73; 95%CI: 0.54, 0.99; p = 0.042). CONCLUSION Continuing dexamphetamine throughout pregnancy was not associated with an increase in adverse neonatal and maternal health outcomes compared to ceasing. Ceasing dexamphetamine during pregnancy was associated with increased odds of threatened abortion compared with continuing dexamphetamine. However, this is something that requires further investigation due to the small sample size, difficulties examining timing, and the inability to examine spontaneous abortions. The unexposed showed some benefits compared to the continuers, suggesting that where possible the cessation of dexamphetamine prior to pregnancy may be advisable.
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Affiliation(s)
- Danielle J Russell
- School of Population and Global Health, University of Western Australia, Crawley, WA, Australia.
| | - Caitlin S Wyrwoll
- School of Human Sciences, University of Western Australia, Crawley, WA, Australia
| | - David B Preen
- School of Population and Global Health, University of Western Australia, Crawley, WA, Australia
| | - Erin Kelty
- School of Population and Global Health, University of Western Australia, Crawley, WA, Australia
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Bang Madsen K, Robakis TK, Liu X, Momen N, Larsson H, Dreier JW, Kildegaard H, Groth JB, Newcorn JH, Hove Thomsen P, Munk-Olsen T, Bergink V. In utero exposure to ADHD medication and long-term offspring outcomes. Mol Psychiatry 2023; 28:1739-1746. [PMID: 36759544 DOI: 10.1038/s41380-023-01992-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/21/2022] [Revised: 01/25/2023] [Accepted: 01/31/2023] [Indexed: 02/11/2023]
Abstract
Attention Deficit Hyperactivity Disorder (ADHD) medication is increasingly being used during pregnancy. Concerns have been raised as to whether ADHD medication has long-term adverse effects on the offspring. The authors investigated whether in utero exposure to ADHD medication was associated with adverse long-term neurodevelopmental and growth outcomes in offspring. The population-based cohort study in the Danish national registers included 1,068,073 liveborn singletons from 1998 to 2015 followed until any developmental diagnosis, death, emigration, or December 31, 2018. Children of mothers who continued ADHD medication (methylphenidate, amphetamine, dexamphetamine, lisdexamphetamine, modafinil, atomoxetine, clonidine) during pregnancy and children of mothers who discontinued ADHD medication before pregnancy were compared using Cox regression. Main outcomes were neurodevelopmental psychiatric disorders, impairments in vision or hearing, epilepsy, seizures, or growth impairment during childhood or adolescence. In total, 898 children were exposed to ADHD medication during pregnancy compared to 1270 children whose mothers discontinued ADHD medication before pregnancy. After adjustment for demographic and psychiatric characteristics of the mother, no increased risk of any offspring developmental disorders was found combined (aHR 0.97, 95% CI 0.81 to 1.17) or for separate subcategories. Similarly, no increased risk was found for any sub-categories of outcomes in the negative control or sibling controlled analyses. Neurodevelopment and growth in offspring do not differ based on antenatal exposure to ADHD medication. These findings provide reassurance for women with ADHD who depend on ADHD medication for daily functioning and who consider continuing medication in pregnancy.
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Affiliation(s)
- Kathrine Bang Madsen
- NCRR - National Centre for Register-based Research, School of Business and Social Sciences, Aarhus University, Aarhus, Denmark.
| | - Thalia K Robakis
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Xiaoqin Liu
- NCRR - National Centre for Register-based Research, School of Business and Social Sciences, Aarhus University, Aarhus, Denmark
| | - Natalie Momen
- NCRR - National Centre for Register-based Research, School of Business and Social Sciences, Aarhus University, Aarhus, Denmark
| | - Henrik Larsson
- School of Medical Sciences, Örebro University, Örebro, Sweden
- Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
| | - Julie Werenberg Dreier
- NCRR - National Centre for Register-based Research, School of Business and Social Sciences, Aarhus University, Aarhus, Denmark
- Department of Clinical Medicine, University of Bergen, Bergen, Norway
| | - Helene Kildegaard
- Hans Christian Andersen's Children's Hospital, Odense University Hospital, Odense, Denmark
- Clinical Pharmacology, Pharmacy and Environmental Medicine, University of Southern Denmark, Odense, Denmark
| | - Jane Bjerg Groth
- Department of Otorhinolaryngology and Audiology, Zealand University Hospital, Universty of Copenhagen, Køge, Denmark
| | - Jeffrey H Newcorn
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Per Hove Thomsen
- Department of Clinical Medicine, Aarhus University, Aarhus, Denmark
- Research Center at the Department for Child- and Adolescent Psychiatry, Aarhus University Hospital, Skejby, Denmark
| | - Trine Munk-Olsen
- NCRR - National Centre for Register-based Research, School of Business and Social Sciences, Aarhus University, Aarhus, Denmark
- Research Unit of Psychiatry, Institute for Clinical Research, University of Southern Denmark, Odense, Denmark
| | - Veerle Bergink
- Department of Psychiatry, Icahn School of Medicine at Mount Sinai, New York, NY, USA
- Department of Psychiatry, Erasmus Medical Centre Rotterdam, Rotterdam, The Netherlands
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Camacho X, Zoega H, Gomes T, Schaffer AL, Henry D, Pearson SA, Vigod S, Havard A. The association between psychostimulant use in pregnancy and adverse maternal and neonatal outcomes: results from a distributed analysis in two similar jurisdictions. Int J Epidemiol 2023; 52:190-202. [PMID: 36135973 PMCID: PMC9908060 DOI: 10.1093/ije/dyac180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 09/12/2022] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Conflicting evidence suggests a possible association between use of prescribed psychostimulants during pregnancy and adverse perinatal outcomes. METHODS We conducted population-based cohort studies including pregnancies conceived between April 2002 and March 2017 (Ontario, Canada; N = 554 272) and January 2003 to April 2011 [New South Wales (NSW), Australia; N = 139 229]. We evaluated the association between exposure to prescription amphetamine, methylphenidate, dextroamphetamine or lisdexamfetamine during pregnancy and pre-eclampsia, placental abruption, preterm birth, low birthweight, small for gestational age and neonatal intensive care unit admission. We used inverse probability of treatment weighting based on propensity scores to balance measured confounders between exposed and unexposed pregnancies. Additionally, we restricted the Ontario cohort to social security beneficiaries where supplementary confounder information was available. RESULTS In Ontario and NSW respectively, 1360 (0.25%) and 146 (0.10%) pregnancies were exposed to psychostimulants. Crude analyses indicated associations between exposure and nearly all outcomes [OR range 1.15-2.16 (Ontario); 0.97-2.20 (NSW)]. Nearly all associations were attenuated after weighting. Pre-eclampsia was the exception: odds remained elevated in the weighted analysis of the Ontario cohort (OR 2.02, 95% CI 1.42-2.88), although some attenuation occurred in NSW (weighted OR 1.50, 95% CI 0.77-2.94) and upon restriction to social security beneficiaries (weighted OR 1.24, 95% CI 0.64-2.40), and confidence intervals were wide. CONCLUSIONS We observed higher rates of outcomes among exposed pregnancies, but the attenuation of associations after adjustment and likelihood of residual confounding suggests psychostimulant exposure is not a major causal factor for most measured outcomes. Our findings for pre-eclampsia were inconclusive; exposed pregnancies may benefit from closer monitoring.
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Affiliation(s)
- Ximena Camacho
- Centre for Big Data Research in Health, Faculty of Medicine and Health, UNSW Sydney, Sydney, NSW, Australia
- NHMRC Centre of Research Excellence in Medicines Intelligence, Sydney, NSW, Australia
| | - Helga Zoega
- Centre for Big Data Research in Health, Faculty of Medicine and Health, UNSW Sydney, Sydney, NSW, Australia
- NHMRC Centre of Research Excellence in Medicines Intelligence, Sydney, NSW, Australia
- Centre of Public Health Sciences, Faculty of Medicine, University of Iceland, Reykjavik, Iceland
| | - Tara Gomes
- ICES, Toronto, ON, Canada
- Li Ka Shing Knowledge Institute, St Michael’s Hospital, Toronto, ON, Canada
- Leslie Dan Faculty of Pharmacy, University of Toronto, Toronto, ON, Canada
| | - Andrea L Schaffer
- Centre for Big Data Research in Health, Faculty of Medicine and Health, UNSW Sydney, Sydney, NSW, Australia
- NHMRC Centre of Research Excellence in Medicines Intelligence, Sydney, NSW, Australia
| | - David Henry
- NHMRC Centre of Research Excellence in Medicines Intelligence, Sydney, NSW, Australia
- ICES, Toronto, ON, Canada
- Institute for Evidence Based Healthcare, Bond University, Robina, QLD, Australia
| | - Sallie-Anne Pearson
- Centre for Big Data Research in Health, Faculty of Medicine and Health, UNSW Sydney, Sydney, NSW, Australia
- NHMRC Centre of Research Excellence in Medicines Intelligence, Sydney, NSW, Australia
| | - Simone Vigod
- ICES, Toronto, ON, Canada
- Women’s College Research Institute, Women’s College Hospital, Toronto, ON, Canada
- Department of Psychiatry, Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - Alys Havard
- Centre for Big Data Research in Health, Faculty of Medicine and Health, UNSW Sydney, Sydney, NSW, Australia
- NHMRC Centre of Research Excellence in Medicines Intelligence, Sydney, NSW, Australia
- National Drug and Alcohol Research Centre, UNSW Sydney, Sydney, NSW, Australia
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