Dr. Maude St-Onge completed her medical studies at Université de Montréal in 2006, specialized in Emergency Medicine at Laval University in 2011, and in Critical Care at the University of Toronto in 2013,  and in Clinical Pharmacology and Toxicology at the University of Toronto, in 2016. Dr. St-Onge obtained a Master’s Degree in Public Health in 2004 and a Ph.D. in Medical Sciences in 2015 from the University of Toronto under the supervision of renowned scientists in the field of acute care, such as Dr. Laurie Morrison (scientist in emergency medicine), Dr. David Juurlink (clinician-scientist in toxicology) and Dr. Gorden Rubenfeld (clinician-scientist in critical care medicine). Her Ph.D. aimed at developing international recommendations for the management of calcium channel blocker poisoning and included a systematic review, a retrospective study, an economic study, a survey, and a Delphi.

Since July of 2015, Dr. Maude St-Onge has been the medical director of the Centre antipoison du Québec, works as an intensivist clinician-scientist at the CHU de Québec and as an assistant professor for the Department of Family Medicine and Emergency Medicine, as well as the Laval University Department of Anesthesiology and Critical Care Medicine. Scientist awarded by the FRQS working at the CHU de Québec – Laval University research center for the Population Health and Optimal Health Practice Research (Trauma – Emergency – Critical Care), Dr. St-Onge’s research interests concern acute care toxicology. She is currently studying the factors influencing adherence to the recommendations she developed during her Ph.D. (qualitative study, matched crossover study), evaluating the risks and benefits related to the administration of activated charcoal to poisoned patients (activated CHARcoal in Poisoned Patients – CHARPP: systematic review, retrospective study, survey, validation of a clinical score, pilot study, clinical trial), and working to better understand the continuum of care provided to Indigenous poisoned patients (CARe for Indigenous Poisoned Patients – CARIPP: scoping review, retrospective study, qualitative study). Indeed, activated charcoal is the most often recommended intervention by poison centres and the Indigenous population is the most affected by poisonings.

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Lavonas EJ, Akpunonu PD, Arens AM, Babu KM, Cao D, Hoffman RS, Hoyte CO, Mazer-Amirshahi ME, Stolbach A, St-Onge M, Thompson TM, Wang GS, Hoover AV, Drennan IR,

2023 American Heart Association Focused Update on the Management of Patients With Cardiac Arrest or Life-Threatening Toxicity Due to Poisoning: An Update to the American Heart Association Guidelines for Cardiopulmonary Resuscitation and Emergency Cardiovascular Care

Journal Article

Circulation, 2023, ISSN: 0009-7322.

Abstract | Links:

Diendéré E, Turgeon AF, Gagnon-Labelle K, Couture A, Neveu X, St-Onge M

Clinical Outcomes of Indigenous Versus Non-Indigenous Patients: A Multicenter Retrospective Cohort Study in the Province of Quebec

Journal Article

J Prim Care Community Health, 14 , 2023.

Abstract | Links:

Canitrot E, Turgeon AF, Moore L, Diendéré E, St-Onge M

Effect of Taste Additives on the Palatability of Activated Charcoal: a Systematic Review

Journal Article

J Med Toxicol, 19 (3), 2023.

Abstract | Links:

Turgeon AF, Fergusson DA, Clayton L, Patton MP, Zarychanski R, English S, Docherty A, Walsh T, Griesdale D, Kramer AH, Scales D, Burns KEA, Boyd JG, Marshall JC, Kutsogiannis DJ, Ball I, Hébert PC, Lamontagne F, Costerousse O, St-Onge M, Lessard Bonaventure P, Moore L, Neveu X, Rigamonti A, Khwaja K, Green RS, Laroche V, Fox-Robichaud A, Lauzier F,

Haemoglobin transfusion threshold in traumatic brain injury optimisation (HEMOTION): a multicentre, randomised, clinical trial protocol

Journal Article

BMJ Open, 12 (10), 2022.

Abstract | Links:

Lamontagne F, Masse MH, Sprague S, Pinto R, Heyland DK, Cook DJ, Battista MC, Day AG, Guyatt GH, Kanji S, Parke R, McGuinness SP, Tirupakuzhi Vijayaraghavan BK, Annane D, Cohen D, Arabi YM, Bolduc B, Marinoff N, Rochwerg B, Millen T, Meade MO, Hand L, Watpool I, Porteous R, Young PJ, D'Aragon F, Belley-Cote EP, Carbonneau E, Clarke F, Maslove DM, Hunt M, Chassé M, Lebrasseur M, Lauzier F, Mehta S, Quiroz-Martinez H, Rewa OG, Charbonney E, Seely AJE, Kutsogiannis DJ, Mekontso-Dessap A, Mele TS, Turgeon AF, Wood G, Kohli SS, Shahin J, Twardowski P, Adhikari NKJ,

Intravenous Vitamin C in Adults with Sepsis in the Intensive Care Unit

Journal Article

N Engl J Med, 386 (25), 2022.

Abstract | Links:

Alhazzani W, Parhar KKS, Weatherald J, Al Duhailib Z, Alshahrani M, Al-Fares A, Buabbas S, Cherian SV, Munshi L, Fan E, Al-Hameed F, Chalabi J, Rahmatullah AA, Duan E, Tsang JLY, Lewis K, Lauzier F, Centofanti J, Rochwerg B, Culgin S, Nelson K, Abdukahil SA, Fiest KM, Stelfox HT, Tlayjeh H, Meade MO, Perri D, Solverson K, Niven DJ, Lim R, Møller MH, Belley-Cote E, Thabane L, Tamim H, Cook DJ, Arabi YM,

Effect of Awake Prone Positioning on Endotracheal Intubation in Patients With COVID-19 and Acute Respiratory Failure: A Randomized Clinical Trial

Journal Article

JAMA, 327 (21), 2022.

Abstract | Links:

Bégin P, Callum J, Jamula E, Cook R, Heddle NM, Tinmouth A, Zeller MP, Beaudoin-Bussières G, Amorim L, Bazin R, Loftsgard KC, Carl R, Chassé M, Cushing MM, Daneman N, Devine DV, Dumaresq J, Fergusson DA, Gabe C, Glesby MJ, Li N, Liu Y, McGeer A, Robitaille N, Sachais BS, Scales DC, Schwartz L, Shehata N, Turgeon AF, Wood H, Zarychanski R, Finzi A, , Arnold DM

Convalescent plasma for hospitalized patients with COVID-19: an open-label, randomized controlled trial

Journal Article

Nat Med, 27 (11), 2021.

Abstract | Links:

Vigneault LP, Diendere E, Sohier-Poirier C, Abi Hanna M, Poirier A, St-Onge M

Acute health care among Indigenous patients in Canada: a scoping review

Journal Article

Int J Circumpolar Health, 80 (1), 2021.

Abstract | Links:

St-Onge M

Cardiovascular Drug Toxicity

Journal Article

Crit Care Clin, 37 (3), 2021.

Abstract | Links:

Brassard E, Archambault P, Lacombe G, St-Onge M

To call or not to call: behavioral determinants influencing the decision of intensivists to consult poison centers for calcium channel blocker poisoning

Journal Article

Clin Toxicol (Phila), 58 (9), 2020.

Abstract | Links:

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Active projects

  • activated CHARcoal in Poisoned Patients (CHARPP): a pilot Randomized Controlled Trial, from 2023-04-01 to 2024-03-31

Recently finished projects

  • Utilisation du charbon activé chez les patients intoxiqués (CHARPP - Use of activated CHARcoal in Poisoned Patients), from 2016-07-01 to 2023-06-30
Data provided by the Université Laval research projects registery