Joseph Shaw
MD MSc FRCPC DRCPSC
Clinician Scientist, Inflammation and Chronic Disease
Ottawa Hospital Research Institute
Early Career Investigator Chair, Department of Medicine
University of Ottawa
Assistant Professor, Department of Medicine
University of Ottawa
Director - Research Plus Program, Department of Medicine
University of Ottawa
Contact
https://scholar.google.com/citations?user=qPrPkI5lpIUC&hl=en www.linkedin.com/in/josephrshaw
Bio
Joseph R. Shaw, MD MSc FRCPC DRCPSC is a hematologist and thrombosis medicine specialist in the Department of Medicine at The Ottawa Hospital. He is a Clinician Scientist at the Ottawa Hospital Research Institute and an Assistant Professor in the Faculty of Medicine at the University of Ottawa. He holds the Department of Medicine Early Career Investigator Chair and is the Director of the Research+ Program in the Department of Medicine.
Dr. Shaw is currently Chair of the CanVECTOR National Thrombosis Seminars Committee and Co-Chair of the ISTH SSC on Perioperative and Critical Care Hemostasis and Thrombosis. He is also Associate Editor for Coagulation and Anticoagulant Drugs at European Heart Journal – Cardiovascular Pharmacotherapy.
He completed his undergraduate studies in Biochemistry at McGill University, for which he was awarded the Major Hiram Mills Medal. He then completed his M.D., Internal Medicine, and Hematology training at the University of Ottawa. He completed Royal College of Physicians and Surgeons AFC training in Adult Thrombosis Medicine through the Thrombosis Unit at The Ottawa Hospital and a Master of Science in Epidemiology at the University of Ottawa.
His thesis, “Utility of Thrombin Generation Assays Towards Measuring the Anticoagulant Effects of Direct Oral Anticoagulants and Anticoagulation Reversal,” focused on the use of thrombin generation assays to quantify anticoagulant effects and reversal.
Dr. Shaw’s research program is centered on leveraging thrombin generation as a global pharmacodynamic marker of anticoagulation. He applies thrombin generation assays and related biomarkers to clinically consequential questions related to anticoagulation therapy, including anticoagulation-associated bleeding, breakthrough thrombosis during anticoagulant therapy, perioperative anticoagulation management in high-risk populations, direct oral anticoagulant measurement and interpretation, and anticoagulation reversal for major bleeding or urgent surgery.
His work aims to define how laboratory measures of coagulation phenotype can improve decisions about anticoagulant interruption, reversal, and resumption, and how they can contextualize bleeding and thrombosis events that occur during anticoagulant therapy. His studies focus on perioperative anticoagulation management in high-risk populations, including patients with mechanical heart valves, active cancer, chronic kidney disease, and antiphospholipid antibody syndrome; DOAC levels and perioperative bleeding; anticoagulant-associated bleeding and breakthrough thrombosis; and pharmacologic reversal strategies for anticoagulation-associated major bleeding or urgent surgery.
He is Co-Principal Investigator of PAUSE-2, a CIHR-funded multicentre randomized controlled trial evaluating perioperative direct oral anticoagulant management in patients undergoing high-bleed-risk surgery or neuraxial procedures. He is Principal Investigator of ACE-HIGH, a CIHR-funded multicentre prospective management cohort study evaluating perioperative anticoagulation management in patients with active cancer undergoing cancer-related surgery or invasive procedures.
He is also Principal Investigator of GAUGE, a prospective cohort study evaluating the effects of prothrombin complex concentrates on thrombin generation in patients with direct factor Xa inhibitor-associated major bleeding or urgent surgery.
His research on biomarker-enhanced VTE risk stratification in patients with cancer was awarded the Canadian Hematology Society’s John H. Crookston Award in 2019, and his publication on the perioperative management of anticoagulation among patients with cancer-associated VTE was recognized with the Journal of Thrombosis and Haemostasis Editors Award in 2020.
In 2024, he was awarded the Canadian Hematology Society's Early Career Award.
Research Goals and Interests
News
Publications
Shaw JR, Maier CL, Hardy M, Mullier F, Douxfils J, Tanaka KA, Rocca B, ten Cate H, Kim PY, Carrier M, Connors JM, Levy JH. Thrombin Generation and the Pharmacodynamics of Parenteral Anticoagulants. Pharmacological Reviews. 2026;100135. doi:10.1016/j.pharmr.2026.100135.
Go to publicationShaw JR, Li N, Grussé M, Van Dreden P, St John M, Nixon J, Spyropoulos AC, Schulman S, Levy JH, Carrier M, Douketis JD. Influence of direct oral anticoagulant levels and thrombin generation on postoperative bleeding [SONAR]: a nested case-control study. Thromb Haemost. 2025 Dec;125(12):1226-1239. doi:10.1055/a-2521-0923. Epub 2025 Jan 21. PMID:39837561.
Go to publicationShaw JR, Castellucci LA, Siegal D, Carrier M. DOAC-associated bleeding, hemostatic strategies, and thrombin generation assays—a review of the literature. J Thromb Haemost. 2023 Mar;21(3):433-452. doi:10.1016/j.jtha.2022.11.029. Epub 2022 Dec 22. PMID:36696204.
Go to publicationLevy JH, Shaw JR, Castellucci LA, Connors JM, Douketis J, Lindhoff-Last E, Rocca B, Samama CM, Siegal D, Weitz JI. Reversal of direct oral anticoagulants: guidance from the SSC of the ISTH. J Thromb Haemost. 2024 Oct;22(10):2889-2899. doi:10.1016/j.jtha.2024.07.009. Epub 2024 Jul 17. PMID:39029742
Go to publicationPanigrahi AK, Shaw JR. Perioperative use of activated prothrombin complex concentrates. Anesthesiology. 2025 Aug 1;143(2):412-423. doi:10.1097/ALN.0000000000005515. Epub 2025 Jun 10. PMID:40493402
Go to publicationDouketis JD, Moore ET, Shaw JR. Direct Oral Anticoagulant Level Testing Before Surgery—Measure for Measure. JAMA Netw Open. 2026;9(2):e2555773. doi:10.1001/jamanetworkopen.2025.55773. PMID:41637078
Go to publicationShaw JR, Li N, Nixon J, Moffat KA, Spyropoulos AC, Schulman S, Douketis JD. Coagulation assays and direct oral anticoagulant levels among patients having an elective surgery or procedure. J Thromb Haemost. 2022 Dec;20(12):2953-2963. doi:10.1111/jth.15901. Epub 2022 Oct 18. PMID:36200348
Go to publicationShaw JR, Li N, Vanassche T, Coppens M, Spyropoulos AC, Syed S, Radwi M, Duncan J, Schulman S, Douketis JD. Predictors of preprocedural direct oral anticoagulant levels in patients having an elective surgery or procedure. Blood Adv. 2020 Aug 11;4(15):3520-3527. doi:10.1182/bloodadvances.2020002335. PMID:32756938.
Go to publicationShaw JR, Nopp S, Stavik B, Youkhana K, Michels AL, Kennes S, Rak J, ten Cate H. Thrombosis, translational medicine, and biomarker research: moving the needle. J Am Heart Assoc. 2025 Jan 7;14(1):e038782. doi:10.1161/JAHA.124.038782. Epub 2024 Dec 24. PMID:39719414
Go to publicationDouketis JD, Li N, St John M, Nixon J, Moffat K, Shaw JR, Syed S, Schulman S, Gross PL, Spyropoulos AC. Perioperative management of direct oral anticoagulants in patients having a high-bleed-risk surgery or neuraxial procedure: the Perioperative Anticoagulant Use for Surgery Evaluation (PAUSE)-2 pilot randomized trial. J Thromb Haemost. 2025 Jul;23(7):2226-2234. doi:10.1016/j.jtha.2025.03.003. Epub 2025 Mar 12. PMID:40086754
Go to publicationHrubesz G, Dwyer K, McIsaac DI, Sood MM, Clark E, Douketis J, Carrier M, Shaw JR. Perioperative management of apixaban in patients with advanced CKD undergoing a planned invasive procedure. Blood Adv. 2024 Feb 13;8(3):732-735. doi:10.1182/bloodadvances.2023012380. PMID:38181766.
Go to publicationPaquette ML, Miranda S, Xu Y, Skeith L, Miron-Celis M, Booth RA, Buyukdere H, Siegal DM, Le Gal G, Carrier M, Douketis J, Levy JH, Connors JM, Delluc A, Shaw JR. Perioperative management of antithrombotic therapy in patients with thrombotic antiphospholipid syndrome. Blood Adv. 2026;10(9):3218-3228. doi:10.1182/bloodadvances.2026019610. PMID:41843780
Go to publicationThrombin generation and the pharmacodynamics of parenteral anticoagulants
2026-05-01 Go to publicationAnaphylaxis and coagulopathy: from rare case reports to mechanistic insights
2026-04-01 Go to publication“Perioperative use of factor concentrates and blood products: a survey of clinical practices in the United States: Communication from the ISTH Subcommittee on Perioperative and Critical Care”: reply
2026-04-01 Go to publicationTargeted anticoagulant reversal, unintended consequences: lessons from andexanet alfa
2026-03-13 Go to publicationAnticoagulation Reversal and the Risk of Arterial Thrombosis - A Double-Edged Sword
2026-03-01 Go to publication