John Marshall

MD, FRCSC, FACS, FCAHS

Scientist

Biography

Dr. John Marshall is a Professor of Surgery at the University of Toronto, and an Intensivist at St. Michael’s Hospital in Toronto, Canada.  His academic interests are sepsis, trauma, and the innate immune response.  His laboratory studies the cellular mechanisms that prolong neutrophil survival in critical illness by preventing neutrophil programmed cell death, or apoptosis.  Professor Marshall has an active clinical research interest in sepsis and Intensive Care Unit-acquired infection, and in the design of clinical trials and outcome measures.  He has published 440 manuscripts, and 85 book chapters, and is the editor of 2 books.  He is the founding chair of the International Forum of Acute Care Trialists (InFACT) – a global network of investigator-led critical care clinical research groups, and past Secretary-General of the World Federation of Societies of Intensive and Critical Care Medicine.  He co-chairs the WHO R&D Working Group on the Clinical Characterization and Management of COVID-19.  He is past-chair of the International Sepsis Forum, past-President of the Surgical Infection Society, and past-chair of the Canadian Critical Care Trials Group.  He has given invited lectures at more than 540 meetings around the world, and is an Associate Editor of the journals Critical Care Medicine and Critical care.”

Recent Publications

  1. Chaudhuri, D, Sasaki, K, Karkar, A, Sharif, S, Lewis, K, Mammen, MJ et al.. Corticosteroids in COVID-19 and non-COVID-19 ARDS: a systematic review and meta-analysis. Intensive Care Med. 2021; :. doi: 10.1007/s00134-021-06394-2. PubMed PMID:33876268 PubMed Central PMC8054852.
  2. Cheng, MP, Cau, A, Lee, TC, Brodie, D, Slutsky, A, Marshall, J et al.. Acute Cardiac Injury in Coronavirus Disease 2019 and Other Viral Infections-A Systematic Review and Meta-Analysis. Crit Care Med. 2021; :. doi: 10.1097/CCM.0000000000005026. PubMed PMID:33870918 .
  3. Rose, L, Burry, L, Agar, M, Campbell, NL, Clarke, M, Lee, J et al.. A Core Outcome Set for Research Evaluating Interventions to Prevent and/or Treat Delirium in Critically Ill Adults: An International Consensus Study (Del-COrS). Crit Care Med. 2021; :. doi: 10.1097/CCM.0000000000005028. PubMed PMID:33870914 .
  4. Mendelson, AA, Lansdell, C, Fox-Robichaud, AE, Liaw, P, Arora, J, Cailhier, JF et al.. National Preclinical Sepsis Platform: developing a framework for accelerating innovation in Canadian sepsis research. Intensive Care Med Exp. 2021;9 (1):14. doi: 10.1186/s40635-020-00366-4. PubMed PMID:33738642 PubMed Central PMC7973346.
  5. Leeies, M, Gershengorn, HB, Charbonney, E, Kumar, A, Fergusson, D, Turgeon, AF et al.. Correction to: Intravenous immune globulin in septic shock: a Canadian national survey of critical care medicine and infectious disease specialist physicians. Can J Anaesth. 2021; :. doi: 10.1007/s12630-021-01964-w. PubMed PMID:33694127 .
  6. Hughes, A, Marshall, JK, Moretti, ME, Ungar, WJ. A Cost-Utility Analysis of Switching from Reference to Biosimilar Infliximab Compared to Maintaining Reference Infliximab in Adult Patients with Crohn's Disease. J Can Assoc Gastroenterol. 2021;4 (1):48. doi: 10.1093/jcag/gwz045. PubMed PMID:33644677 PubMed Central PMC7898373.
  7. REMAP-CAP Investigators, Gordon, AC, Mouncey, PR, Al-Beidh, F, Rowan, KM, Nichol, AD et al.. Interleukin-6 Receptor Antagonists in Critically Ill Patients with Covid-19. N Engl J Med. 2021;384 (16):1491-1502. doi: 10.1056/NEJMoa2100433. PubMed PMID:33631065 PubMed Central PMC7953461.
  8. Benchimol, EI, Tse, F, Carroll, MW, deBruyn, JC, McNeil, SA, Pham-Huy, A et al.. TEMPORARY REMOVAL: Canadian Association of Gastroenterology CLINICAL Practice Guideline For Immunizations in Patients with Inflammatory Bowel Disease (IBD). Part 2: Inactivated Vaccines. Gastroenterology. 2021; :. doi: 10.1053/j.gastro.2020.12.079. PubMed PMID:33617891 .
  9. Aryal, D, Beane, A, Dondorp, AM, Green, C, Haniffa, R, Hashmi, M et al.. Operationalisation of the Randomized Embedded Multifactorial Adaptive Platform for COVID-19 trials in a low and lower-middle income critical care learning health system. Wellcome Open Res. 2021;6 :14. doi: 10.12688/wellcomeopenres.16486.1. PubMed PMID:33604455 PubMed Central PMC7883321.
  10. Leeies, M, Gershengorn, HB, Charbonney, E, Kumar, A, Fergusson, D, Turgeon, AF et al.. Intravenous immune globulin in septic shock: a Canadian national survey of critical care medicine and infectious disease specialist physicians. Can J Anaesth. 2021; :. doi: 10.1007/s12630-021-01941-3. PubMed PMID:33598888 .
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Affiliations & Other Activities

  • Scientist, Keenan Research Centre for Biomedical Science
  • Trauma Surgeon and Intensivist, St. Michael’s Hospital
  • Professor, Department of Surgery, University of Toronto
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