Our Publications 

• Sheehy O, Tchuente V, Eltonsy S, Hawken S, Kaul P, Walker M, Pugliese M, Dragan R, Savu A, Leal L, Morin L, Malhamé I, Pana R, Bérard A. Late Pregnancy Antiseizure Medication Exposure and Offspring Neurodevelopmental Risk: A Multi-Child Cohort Study. Ann Neurol. 2026;99(3):761-776. doi: https://doi.org/10.1002/ana.78084

• Carney G, Dormuth C, Ogbodo SC, Dahl M, Eltonsy S, Gamble JM, Janzen D, Lu X, Miller T, Ronksley P, St-Jean A, Suissa K, Winquist B, Zhang J, Zipursky J. Isotretinoin, Contraception, and Pregnancy Outcomes. Observational Study Protocol. 2026. https://www.cda-amc.ca/sites/default/files/ou-tr/OS0015_Isotretinoin_Sc_Protocol_2026.01.07_v2.2_Clean.pdf 

• de Bruin O, Maisonneuve E, Hurley E, Nordeng HME, Bérard A, Sheehy O, Kaul P, Shinde MU, Cosgrove A, Lyons JG, Messenger-Jones E, Kempner ME, Toh S, Hua W, Hernández-Muñoz JJ, Sahin L, Cesta CE, Hägg D, Gini R, Paoletti O, Poblador-Plou B, Jordan S, Thayer D, Rodríguez-Bernal CL, Sánchez-Sáez F, Lassalle R, Bernard MA, Alsina E, Ahmadizar F, Favre G, Panchaud A, Bloemenkamp KWM, Plueschke K, de Vries C, Siiskonen SJ, Sturkenboom MCJM; CONSIGN Collaboration Group (Geisler BP, Walker M, Hawken S, Bernatsky S, Eltonsy S, Hoffman E, Petrone AB, Mosley J, Ko J, Bartolini C, Roberto G, Limoncella G, Girardi A, Hyeraci G, Gimeno-Miguel A, Carmona-Pírez J, Poncel-Falcó A, Moreno-Juste A, Prados-Torres A, Thayer D, Farr I, Ahmed S, Scanlon I, Sanfélix-Gimeno G, Hurtado I, Garcia-Sempere A, Peiro S, Jové J, Sakr D, Droz-Perroteau C, Alsina E, Baud D, Engjom HM, Riera-Arnau J, Sabaté Gallego M, Ballarín Alins E, Aguilera Martin C, Kampman M, Brasil C). Medications Used Among Nonhospitalized Pregnant Women With COVID-19: A Prospective Individual Patient Data Meta-Analysis in Europe and North America. Pharmacoepidemiol Drug Saf. 2026;35(1):e70303. doi: https://doi.org/10.1002/pds.70303

• de Bruin O, Maisonneuve E, Hurley E, Nordeng HME, Bérard A, Sheehy O, Kaul P, Shinde MU, Cosgrove A, Lyons JG, Messenger-Jones E, Kempner ME, Toh S, Hua W, Hernández-Muñoz JJ, Sahin L, Cesta CE, Hägg D, Gini R, Paoletti O, Poblador-Plou B, Jordan S, Rodríguez-Bernal CL, Sánchez-Sáez F, Lassalle R, Bernard MA, Ahmadizar F, Favre G, Panchaud A, Bloemenkamp KWM, Plueschke K, de Vries C, Siiskonen SJ, Sturkenboom MCJM; CONSIGN Collaboration Group (Geisler BP, Walker M, Hawken S, Bernatsky S, Eltonsy S, Hoffman E, Petrone AB, Mosley J, Ko J, Bartolini C, Roberto G, Limoncella G, Girardi A, Hyeraci G, Gimeno-Miguel A, Carmona-Pírez J, Poncel-Falcó A, Moreno-Juste A, Prados-Torres A, Thayer D, Farr I, Ahmed S, Scanlon I, Sanfélix-Gimeno G, Hurtado I, Garcia-Sempere A, Peiro S, Jové J, Sakr D, Droz-Perroteau C, Alsina E, Baud D, Engjom HM, Riera-Arnau J, Sabaté Gallego M, Ballarín Alins E, Aguilera Martin C, Kampman M, Brasil C). Adverse outcomes among pregnant women with COVID-19 according to hospitalization status: A prospective individual participant data meta-analysis in Europe and North America. Int J Gynaecol Obstet. 2025. doi: https://doi.org/10.1002/ijgo.70694

• Bérard A, Sheehy O, Kaul P, Eltonsy S, Walker M, Hawken S, Bernatsky S, Pugliese M, Barrett O, Savu A, Dragan R. COVID-19 Infections Still Occur: How Do Pregnant and Non-Pregnant Individuals Compare? A Study from the Canadian Mother–Child Initiative on Drug Safety in Pregnancy (CAMCCO). Int J Environ Res Public Health. 2025;22(11):1756. doi: https://doi.org/10.3390/ijerph22111756

• Zekavat OR, Zarsanj N, Sadeghdoust A, Lavu A, Bordbar M, Eltonsy S, Peymani P. Prevalence and Clinical Significance of Potential Drug-Drug Interactions in Hospitalized Pediatric Oncology Patients: A Prospective Pharmacoepidemiologic Study. Cancers. 2025 Sep 18;17(18):1-7. doi: https://doi.org/10.3390/cancers17183054

• Hahn AW, Ruderman SA, Nance RM, Whitney BM, Eltonsy S, Haidar L, Drumright LN, Ma J, Mayer KH, Napravnik S, Eron JJ, Christopoulos KA, Bamford L, Cachay ER, Yendewa G, Pettit A, Saag MS, Heath SL, Moore RD, Keruly JC, Batey DS, Chander G, Kitahata MM, Delaney JAC, Crane HM, Fredericksen RJ. Racial Inequity in Prescription of Semaglutide Among Eligible People With HIV. Diabetes Care. 2025 Oct 1;48(10):1761-1765. doi: https://doi.org/10.2337/dc25-0236

• Ghiyamihoor F, Peymani P, Perron J, Asemi-Rad A, Marzban M, Mohite A, Ardila K, Aljada B, Marzban A, Toback M, Eltonsy S, Ko JH, Siddiqui TJ, Steele CJ, Kong J, Manto M, MacDonald ME, Gill JS, Sillitoe RV, Balcı F, Beheshti I, Marzban H. Volumetric Changes in Cerebellar Transverse Zones: Age and Sex Effects in Health and Neurological Disorders. Hum Brain Mapp. 2025 Apr 15;46(6):e70214. doi: https://doi.org/10.1002/hbm.70214

• Peymani P, Berard A, Winquist B, Kaul P, Sheehy O, Lavu A, Leong C, Falk J, Delaney JA, Kowalec K, Ng M, Ruth C, Aboulatta L, Alessi-Severini S, Dragan R, Derksen S, Barrett O, Shams G, Eltonsy S. Trends of antiseizure medication utilization among pregnant people in four Canadian provinces from 1998 to 2023; a study from the Canadian mother-child cohort active surveillance initiative (CAMCCO). Front Pharmacol. 2024 Nov 12;15:1469552; PMCID: PMC11588457. doi: https://doi.org/10.3389/fphar.2024.1469552

• Hahn AW, Ruderman SA, Nance RM, Delaney J, Whitney BM, Eltonsy S, Haidar L, Drumright LN, Ma J, Mayer KH, O'Cleirigh C, Bamford L, Cachay E, Fox NT, Burkholder G, Cropsey K, Owens MA, Chander G, Crane HM, Fredericksen RJ. Cannabis use patterns among people with HIV before and after legalization. Drug Alcohol Depend Rep. 2024 Oct 28;13:100291. doi: https://doi.org/10.1016/j.dadr.2024.100291

• Pereira G, de Souza CM, Ferracini AC, Surita FG, Eltonsy S, Mazzola PG. Self-medication among pregnant women in comparison to the general population: a scoping review of the main characteristics. Rev Bras Ginecol Obstet. 2024 Dec 4;46:e-rbgo77. doi: https://doi.org/10.61622/rbgo/2024rbgo77

• Eden A, Aboulatta L, Derksen S, Eltonsy S. Rates and determinants of breastfeeding initiation in women with and without epilepsy: A 25-year study. Seizure. 2024 Jul 25;121:30-37. doi: https://doi.org/10.1016/j.seizure.2024.07.018

• Shirinbakhshmasoleh M, Aboulatta L, Leong C, Riel H, Liu K, Delaney JC, Bolton JM, Falk J, Alessi-Severini S, Eltonsy S, Kowalec K. The impact of COVID-19 public health measures on the utilization of antipsychotics in schizophrenia in Manitoba - A population-based study. Schizophr Res. 2024 Oct;272:69-76. Epub 2024 Aug 27. doi: https://doi.org/10.1016/j.schres.2024.08.004

• Goubran J, Okunnu OG, Lavu A, Eltonsy S. Third generation antiseizure medications exposure during pregnancy and neonatal adverse birth outcomes: A systematic review. Sci Prog. 2024 Apr-Jun;107(2):368504241234781. doi: https://doi.org/10.1177/00368504241234781

• Desrochers B, Lavu A, Valencia E, Vaccaro C, Peymani P, Eltonsy S. Risks of congenital malformations and neonatal intensive care unit admissions with gabapentin use in pregnancy: A cohort study and scoping review with meta-analysis. Paediatr Perinat Epidemiol. 2024;38(6):486-494. doi: https://doi.org/10.1111/ppe.13086

• Crane HM, Nance RM, Ruderman SA, Haidar L, Tenforde MW, Heckbert SR, Budoff MJ, Hahn AW, Drumright LN, Ma J, Mixson LS, Lober WB, Barnes GS, McReynolds J, Attia EF, Peter I, Moges T, Bamford L, Cachay E, Mathews WC, Christopoulos K, Hunt PW, Napravnik S, Keruly J, Moore RD, Burkholder G, Willig AL, Lindstrom S, Saag MS, Kitahata MM, Crothers KA, Delaney JAC. Venous thromboembolism among people with HIV: Design, implementation, and findings of a centralized adjudication system. Journal of Acquired Immune Deficiency Syndromes. 2024;95(2):207-214. doi: https://doi.org/10.1097/QAI.0000000000003339

• Abbott K, Hyrsak R, Bolton JM, Sareen J, Enns MW, Konrad G, Knight E, Eltonsy S, Kowalec K, Falk J, Alessi-Severini S, Liu K, Prior H, Leong C. Trend in Prescription Medication Utilization for Opioid Use Disorder and Alcohol Use Disorder From 2015 to 2021: A Population-wide Study in a Canadian Province. J Addict Med. 2024;18(6):683-688. doi: https://doi.org/10.1097/ADM.0000000000001348

• Barzegar Behrooz A, Darzi Ramandi H, Latifi-Navid H, Peymani P, Tarharoudi R, Momeni N, Sabaghpour Azarian MM, Eltonsy S, Pour-Rashidi A, Ghavami S. Genetic Prognostic Factors in Adult Diffuse Gliomas: A 10-Year Experience at a Single Institution. Cancers. 2024;16(11):2121. doi: https://doi.org/10.3390/cancers16112121

• Haidar L, Crane HM, Nance RM, Webel A, Ruderman SA, Whitney BM, Willig AL, Napravnik S, Mixson LS, Leong C, Lavu A, Aboulatta L, Dai M, Hahn A, Saag MS, Bamford L, Cachay E, Kitahata MM, Mayer KH, Jacobson J, Moore RD, Delaney JAC, Drumright LN, Eltonsy S. Weight loss associated with semaglutide treatment among people with HIV. AIDS. 2023 Nov 17. doi: https://doi.org/10.1097/QAD.0000000000003791

• Sheehy O, Eltonsy S, Hawken S, Walker M, Kaul P, Winquist B, Barrett O, Savu A, Dragan R, Pugliese M, Bernatsky S, Gorgui J, Bérard A. Health Canada advisory impacts on the prevalence of oral codeine use in the Pediatric Canadian population: comparative study across provinces. Scientific Reports. 2024;14(1). doi: https://doi.org/10.1038/s41598-024-55758-3

• Aboulatta L, Haidar L, Abou-Setta A, Askin N, Rabbani R, Lavu A, Peymani P, Zarychanski R, Eltonsy S. Efficacy and Safety of MAO-B Inhibitors Safinamide and Zonisamide in Parkinson's Disease: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. CNS Drugs. 2023 Nov;37(11):941-956. Epub 2023 Nov 16. doi: https://doi.org/10.1007/s40263-023-01048-x

• Lavu A, Vaccaro C, Zusman E, Aboulatta L, Aloud B, Alessi-Severini S, Haidar L, Peymani P, Ng MC, Ruth C, Falk J, Desrochers B, Valencia E, Shouman W, Rabbani R, Eltonsy S. Antiseizure medication use during pregnancy and neonatal growth outcomes: A systematic review and meta-analysis. Br J Clin Pharmacol. 2024;90(8):1827-1837. doi: https://doi.org/10.1111/bcp.15752

• Ruderman SA, Drumright LN, Delaney JAC, Webel A, Fitzpatrick AL, Whitney BM, Nance R, Hahn AW, Ma J, Mixson LS, Eltonsy S, Willig AL, Mayer KH, Napravnik S, Greene M, McCaul M, Cachay E, Kritchevsky SB, Austad S, Landay A, Saag MS, Kitahata MM, Lau B, Lesko C, Chander G, Crane HM, Odden MC. Evaluating the Sick Quitting Hypothesis for Frailty Status and Reducing Alcohol Use Among People With HIV in a Longitudinal Clinical Cohort Study. Journal of the Association of Nurses in AIDS Care. 2024;35(1):5-16. doi: https://doi.org/10.1097/JNC.0000000000000441

• Ruderman SA, Odden MC, Webel AR, Fitzpatrick AL, Crane PK, Nance RM, Drumright LN, Whitney BM, Mixson LS, Ma J, Willig AL, Haidar L, Eltonsy S, Mayer KH, O'Cleirigh C, Cropsey KL, Eron JJ, Napravnik S, Greene M, McCaul M, Chander G, Cachay E, Lober WB, Kritchevsky SB, Austad S, Landay A, Pandya C, Cartujano-Barrera F, Saag MS, Kamen C, Hahn AW, Kitahata MM, Delaney JAC, Crane HM. Tobacco Smoking and Pack-Years Are Associated With Frailty Among People With HIV. J Acquir Immune Defic Syndr. 2023 Oct 1;94(2):135-142. doi: https://doi.org/10.1097/QAI.0000000000003242

• Froese B, Aquino G, Valencia E, Tan Q, Yogendran M, Katz C, Bolton JM, Falk J, Kowalec K, Chateau D, Delaney JC, Logsetty S, Spiwak R, Enns MW, Sareen J, Alessi-Severini S, Olafson K, Eltonsy S, Leong C. Adherence to Psychotropic Medication Before and During COVID-19: A Population-Wide Retrospective Observational Study. J Clin Psychopharmacol. 2023 Jul-Aug 01;43(4):313-319. doi: https://doi.org/10.1097/JCP.0000000000001713

• Aboulatta L, Kowalec K, Leong C, Delaney J, Falk J, Alessi-Severini S, Chateau D, Tan Q, Kearns K, Raimondi C, Lavu A, Haidar L, Vaccaro C, Eltonsy S. Preterm birth and stillbirth rates associated with socioeconomic disparities during COVID-19 pandemic: A population-based cross-sectional study. BMJ Paediatrics Open. 2023;7:e001686. doi: https://doi.org/10.1136/bmjpo-2022-001686

• Lavu A, Janzen D, Aboulatta L, Peymani P, Haidar L, Desrochers B, Alessi-Severini S, Eltonsy S. Prescription trends of antiseizure medications before and during the COVID-19 pandemic. Front Neurol. 2023 Mar 30;14:1135962. doi: https://doi.org/10.3389/fneur.2023.1135962

• Azoulay L, St-Jean A, Dahl M, Quail J, Aibibula W, Brophy JM, Chan A-W, Bresee L, Carney G, Eltonsy S, Tamim H, Paterson JM, Platt RW for CNODES. Hydrochlorothiazide use and risk of keratinocyte carcinoma and melanoma: A multi-site population-based cohort study. Journal of the American Academy of Dermatology. 2023;89(2):243-253. doi: https://doi.org/10.1016/j.jaad.2023.04.035

• Greaves L, Brabete AC, Maximos M, Huber E, Li A, Lê M-L, Eltonsy S, Boscoe M. Sex, Gender, and the Regulation of Prescription Drugs: Omissions and Opportunities. Int. J. Environ. Res. Public Health. 2023;20:2962. doi: https://doi.org/10.3390/ijerph20042962

• Ruderman SA, Nance RM, Drumright LN, Whitney BM, Hahn AW, Ma J, Haidar L, Eltonsy S, Mayer KH, Eron JJ, Greene M, Mathews WC, Webel A, Saag MS, Willig AL, Kamen C, McCaul M, Chander G, Cachay E, Lober WB, Pandya C, Cartujano-Barrera F, Kritchevsky SB, Austad SN, Landay A, Kitahata MM, Crane HM, Delaney JAC. Development of Frail RISC-HIV: a Risk Score for Predicting Frailty Risk in the Short-term for Care of People with HIV. AIDS. 2023 May 1;37(6):967-975. doi: https://doi.org/10.1097/QAD.0000000000003501

• Pagès N, Gorgui J, Wang C, Wang X, Zhao JP, Tchuente V, Lacasse A, Côté S, King S, Muanda F, Mufike Y, Boucoiran I, Nuyt AM, Quach C, Ferreira E, Kaul P, Winquist B, O'Donnell KJ, Eltonsy S, Chateau D, Hanley G, Oberlander T, Kassai B, Mainbourg S, Bernatsky S, Vinet É, Brodeur-Doucet A, Demers J, Richebé P, Zaphiratos V, Bérard A. The Impact of COVID-19 on Maternal Mental Health during Pregnancy: A Comparison between Canada and China within the CONCEPTION Cohort. Int J Environ Res Public Health. 2022;19(19):12386. doi: https://doi.org/10.3390/ijerph191912386 

• Bérard A, Kaul P, Eltonsy S, Winquist B, Chateau D, Hawken S, Sprague A, Walker M, Bernatsky S, Abrahamowicz M, Soares de Moura C, Vinet É, Carleton B, Hanley G, Oberlander T, Sheehy O, Gomez YH, Gorgui J, Savu A. The Canadian Mother-Child Cohort Active Surveillance Initiative (CAMCCO): Comparisons between Quebec, Manitoba, Saskatchewan, and Alberta. PLoS One. 2022;17(9):e0274355. doi: https://doi.org/10.1371/journal.pone.0274355 

• Leong C, Kowalec K, Eltonsy S, Bolton JM, Enns MW, Tan Q, Yogendran M, Chateau D, Delaney J, Sareen J, Falk J, Spiwak R, Logsetty S, Alessi-Severini S. Psychotropic medication use before and during COVID-19: a population-wide study. Front Pharmacol. 2022;13. doi: https://doi.org/10.3389/fphar.2022 

• Bérard A, Gorgui J, Tchuente V, Lacasse A, Gomez YH, Côté S, King S, Muanda F, Mufike Y, Boucoiran I, Nuyt AM, Quach C, Ferreira E, Kaul P, Winquist B, O'Donnell KJ, Eltonsy S, Chateau D, Zhao JP, Hanley G, Oberlander T, Kassai B, Mainbourg S, Bernatsky S, Vinet É, Brodeur-Doucet A, Demers J, Richebé P, Zaphiratos V. The COVID-19 pandemic impacted maternal mental health differently depending on pregnancy status and trimester of gestation. Int J Environ Res Public Health. 2022;19(5):292. doi: https://doi.org/10.3390/ijerph1905292 

• Lavu A, Vaccaro C, Shouman W, Alessi-Severini S, Eltonsy S. Antiepileptic Drug Exposure during Pregnancy and Neonatal Birth Weight Outcomes: Protocol for a Systematic Review and Meta-analysis. Syst Rev. 2021;10:159. doi: https://doi.org/10.1186/s13643-021-01711-8

Vaccaro C, Shakeri A, Czaplinski E, Eltonsy S. New-generation antiepileptic drugs during pregnancy and the risk of attention-deficit hyperactivity disorder: a scoping review. J Popul Ther Clin Pharmacol. 2020;27(4):e1–e18. doi: https://doi.org/10.15586/jptcp.v27i4.722 

Ahun M, Lauzon B, Sylvestre MP, Bergeron-Caron C, Eltonsy S, O'Loughlin J. A systematic review of cigarette smoking trajectories in adolescents. Int J Drug Policy. 2020;83:102838. doi: https://doi.org/10.1016/j.drugpo.2020.102838 

Durand M, Schnitzer ME, Pang M, Carney G, Eltonsy S, Filion KB, Fisher A, Jun M, Kuo IF, Renoux C, Paterson JM, Quail J, Matteau A; Canadian Network for Observational Drug Effect Studies Investigators. Comparative effectiveness and safety of direct oral anticoagulants versus vitamin K antagonists in nonvalvular atrial fibrillation: a Canadian multicentre observational cohort study. CMAJ Open. 2020;8(4):E877–E886. doi: https://doi.org/10.9778/cmajo.20200144 

Durand M, Schnitzer ME, Pang M, Carney G, Eltonsy S, Filion KB, Fisher A, Jun M, Kuo IF, Matteau A, Paterson JM, Quail J, Renoux C; CNODES Investigators. Effectiveness and safety among direct oral anticoagulants in nonvalvular atrial fibrillation: A multi-database cohort study with meta-analysis. Br J Clin Pharmacol. 2020;86:2589–2601. doi: https://doi.org/10.1111/bcp.14392

Eltonsy S, Dufour Doiron M, Simard P, Jose C, Sénéchal M, Bouchard DR, et al. Effects of the combination of metformin and exercise on glycated hemoglobin, functional capacity, lipid profile, quality of life, and body weight. J Int Med Res. 2019;47. doi: https://doi.org/10.1177/0300060518817164 

Eltonsy S, Dufour Doiron M, Jose C, Sénéchal M, Bouchard DR, LeBlanc R, Simard P, Bélanger M. Comparing the effect of combining exercise with rosuvastatin versus atorvastatin on lipid profile and functional capacity: a retrospective cohort study. Biomed Res Int. 2020;2020:7026530. doi: https://doi.org/10.1155/2020/7026530