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Associate Professor Katherine Isoardi
Associate Professor

Katherine Isoardi

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Overview

Background

Katherine is an Emergency Physician and Clinical Toxicologist based at the Princess Alexandra Hospital and the Medical Director for the Queensland Poisons Information Centre. She is passionate about promoting and expanding Clinical Toxicology services throughout Queensland.

She is the president of Toxicology And Poisoning Network Australasia (TAPNA), serves on multiple TAPNA subcommittees, and facilitates its 2 year post-graduate Clinical Toxicology course. She also created the Princess Alexandra Hospital Clinical Toxicology Subspecialisation Program which allows post-graduate toxicology training for nurses and pharmacists.

She is an enthusiastic clinician researcher. Her interests include the management of illicit drug poisoning, the pharmacokinetics and pharmacodynamics of drugs in overdose and snake envenomation. She completed a PhD in clinical toxicology on "Opioid overdose and its reversal".

Availability

Associate Professor Katherine Isoardi is:
Available for supervision
Media expert

Research interests

  • Clinical Toxicology

    In particular illicit drug poisoning and the pharmacokinetic and pharmacodynamics of drugs in overdose

  • Toxinology

    In particular snake envenomation

Works

Search Professor Katherine Isoardi’s works on UQ eSpace

105 works between 2010 and 2025

1 - 20 of 105 works

2025

Journal Article

Novel psychoactive substances in Australian emergency departments: implications for public health practice from multi-centre prospective toxicosurveillance across five states, 2022–2023

Smith, Jennifer L., Weber, Courtney C., Schumann, Jennifer L., Ezard, Nadine, Fatovich, Daniel M., McCutcheon, David, Isoardi, Katherine Z., Dawson, Andrew H., Syrjanen, Rebekka, Harris, Keith, Stockham, Peter, Partridge, Emma, Alfred, Sam, Tran, Viet, Kotkis, Ellie M., Sakrajda, Paul, Trujillo, Melissa and Greene, Shaun L. (2025). Novel psychoactive substances in Australian emergency departments: implications for public health practice from multi-centre prospective toxicosurveillance across five states, 2022–2023. International Journal of Drug Policy, 145 104969, 104969-145. doi: 10.1016/j.drugpo.2025.104969

Novel psychoactive substances in Australian emergency departments: implications for public health practice from multi-centre prospective toxicosurveillance across five states, 2022–2023

2025

Journal Article

Life-threatening anaphylaxis following antivenom administration in two patients with horse dander allergy

Isoardi, Katherine Z., Chiew, Angela L., Dhital, Atul and Isbister, Geoffrey K. (2025). Life-threatening anaphylaxis following antivenom administration in two patients with horse dander allergy. Clinical Toxicology, 1-3. doi: 10.1080/15563650.2025.2545592

Life-threatening anaphylaxis following antivenom administration in two patients with horse dander allergy

2025

Journal Article

Reevaluating Clozapine-Induced QT Prolongation

Tanzer, Timothy, Hanisch, Rebecca, Yap, Chloe, Warren, Nicola, Barras, Michael, Kisely, Steve, Isoardi, Katherine, Kosari, Kiana and Siskind, Dan (2025). Reevaluating Clozapine-Induced QT Prolongation. Schizophrenia Bulletin sbaf114. doi: 10.1093/schbul/sbaf114

Reevaluating Clozapine-Induced QT Prolongation

2025

Journal Article

Toxicological seizures: characteristics, outcomes and recurrence

McCulloch, Kristy, Berling, Ingrid, Chiew, Angela L., Wood, Katherine, Harris, Keith, Isbister, Geoffrey, Sachs, Brooke and Isoardi, Katherine (2025). Toxicological seizures: characteristics, outcomes and recurrence. Clinical Toxicology, 63 (8), 527-533. doi: 10.1080/15563650.2025.2512827

Toxicological seizures: characteristics, outcomes and recurrence

2025

Journal Article

A non-inferiority randomised controlled trial of a Shorter Acetylcysteine Regimen for Paracetamol Overdose – the SARPO trial

Isbister, Geoffrey, Chiew, Angela, Buckley, Nicholas, Harris, Keith, Berling, Ingrid, Downes, Michael, Page, Colin and Isoardi, Katherine (2025). A non-inferiority randomised controlled trial of a Shorter Acetylcysteine Regimen for Paracetamol Overdose – the SARPO trial. Journal of Hepatology, 83 (4), 881-887. doi: 10.1016/j.jhep.2025.05.008

A non-inferiority randomised controlled trial of a Shorter Acetylcysteine Regimen for Paracetamol Overdose – the SARPO trial

2025

Journal Article

Management of hypotension in dihydropyridine calcium channel blocker overdose: The role of high‐dose insulin therapy

Chan, Betty S. H., Isoardi, Katherine Z., Roberts, Darren M. and Har, Ong Sook (2025). Management of hypotension in dihydropyridine calcium channel blocker overdose: The role of high‐dose insulin therapy. British Journal of Clinical Pharmacology, 91 (9), 2613-2620. doi: 10.1002/bcp.70081

Management of hypotension in dihydropyridine calcium channel blocker overdose: The role of high‐dose insulin therapy

2025

Journal Article

High dose insulin is an inodilator, not an antidote in the poisoned patient!

Isoardi, Katherine Z, Chan, Betty and Chiew, Angela L (2025). High dose insulin is an inodilator, not an antidote in the poisoned patient!. Emergency Medicine Australasia, 37 (2) e70035, e70035-2. doi: 10.1111/1742-6723.70035

High dose insulin is an inodilator, not an antidote in the poisoned patient!

2025

Journal Article

Clinical effects of acute lamotrigine overdose (ATOM-10)

Chiew, Angela L., Isbister, Geoffrey K., Nguyen, Kiet, McCulloch, Kristy, Ionmhain, Úna Nic and Isoardi, Katherine Z. (2025). Clinical effects of acute lamotrigine overdose (ATOM-10). Clinical Toxicology, 63 (5), 1-7. doi: 10.1080/15563650.2025.2471906

Clinical effects of acute lamotrigine overdose (ATOM-10)

2025

Journal Article

Early cardiovascular collapse after envenoming by snakes in Australia, 2005-2020: an observational study (ASP-31)

Isbister, Geoffrey K., Isoardi, Katherine Z., Chiew, Angela L., Jenkins, Shane and Buckley, Nicholas A. (2025). Early cardiovascular collapse after envenoming by snakes in Australia, 2005-2020: an observational study (ASP-31). Medical Journal of Australia, 222 (6), 313-317. doi: 10.5694/mja2.52622

Early cardiovascular collapse after envenoming by snakes in Australia, 2005-2020: an observational study (ASP-31)

2025

Journal Article

Calcium channel blocker overdose: not all the same toxicity

Isbister, Geoffrey K., Jenkins, Shane, Harris, Keith, Downes, Michael A. and Isoardi, Katherine Z. (2025). Calcium channel blocker overdose: not all the same toxicity. British Journal of Clinical Pharmacology, 91 (3), 740-747. doi: 10.1111/bcp.16258

Calcium channel blocker overdose: not all the same toxicity

2025

Journal Article

Ivabradine poisoning: a retrospective observational case series

Bin Sumarni, Muhammad Nursuhairi, Chiew, Angela L., Isbister, Geoffrey K., Wylie, Carol J. and Isoardi, Katherine Zina (2025). Ivabradine poisoning: a retrospective observational case series. Toxicology Communications, 9 (1) 2464274, 1. doi: 10.1080/24734306.2025.2464274

Ivabradine poisoning: a retrospective observational case series

2025

Book Chapter

Toxins in the Food Chain: The Example of Poppy Seeds and Thebaine

Holford, Amanda and Isoardi, Katherine (2025). Toxins in the Food Chain: The Example of Poppy Seeds and Thebaine. Handbook of Public Health Nutrition. (pp. 1-9) Cham, Switzerland: Springer. doi: 10.1007/978-3-031-32047-7_6-1

Toxins in the Food Chain: The Example of Poppy Seeds and Thebaine

2025

Journal Article

Clinical toxicity of nitazene detections in two Australian emergency department toxicosurveillance systems

Isoardi, Katherine Z., Alfred, Sam, Weber, Courtney, Harris, Keith, Soderstrom, Jessamine, Syrjanen, Rebekka, Thompson, Amanda, Schumann, Jennifer, Stockham, Peter, Sakrajda, Paul, Fatovich, Daniel, Greene, Shaun L. and the EDNA and EDNAV Investigators (2025). Clinical toxicity of nitazene detections in two Australian emergency department toxicosurveillance systems. Drug and Alcohol Review. doi: 10.1111/dar.13998

Clinical toxicity of nitazene detections in two Australian emergency department toxicosurveillance systems

2025

Journal Article

Real world delays in antivenom administration: patient, snake or hospital factors (ASP-33)

Isbister, Geoffrey K., Chiew, Angela L., Buckley, Nicholas A., Soderstrom, Jessamine, Brown, Simon GA., Jenkins, Shane and Isoardi, Katherine Z. (2025). Real world delays in antivenom administration: patient, snake or hospital factors (ASP-33). Clinical Toxicology, 63 (1), 10-15. doi: 10.1080/15563650.2024.2433125

Real world delays in antivenom administration: patient, snake or hospital factors (ASP-33)

2025

Journal Article

A prospective study of acute propranolol overdose defining dose thresholds of severe toxicity (ATOM – 9)

Isoardi, Katherine Z., Chiew, Angela L., Do, Cuong, Humphreys, Michael, Mustafa, Ahmead, Roberts, Michael S. and Isbister, Geoffrey K. (2025). A prospective study of acute propranolol overdose defining dose thresholds of severe toxicity (ATOM – 9). Clinical Toxicology, 63 (1), 1-9. doi: 10.1080/15563650.2024.2435397

A prospective study of acute propranolol overdose defining dose thresholds of severe toxicity (ATOM – 9)

2024

Journal Article

Suggested guide to using lactate gap as a surrogate marker in the diagnosis of ethylene glycol overdose

Dimeski, Goce, Holford, Amanda and Isoardi, Katherine (2024). Suggested guide to using lactate gap as a surrogate marker in the diagnosis of ethylene glycol overdose. Annals of Clinical Biochemistry, 62 (2), 140-142. doi: 10.1177/00045632241292514

Suggested guide to using lactate gap as a surrogate marker in the diagnosis of ethylene glycol overdose

2024

Journal Article

Growing burden of gamma‐hydroxybutyrate intoxication on emergency department resource utilisation

Berling, Ingrid, Isoardi, Katherine, Harris, Keith, Downes, Michael A., Lovett, Caitlyn and Isbister, Geoffrey K. (2024). Growing burden of gamma‐hydroxybutyrate intoxication on emergency department resource utilisation. Emergency Medicine Australasia, 36 (5), 792-794. doi: 10.1111/1742-6723.14467

Growing burden of gamma‐hydroxybutyrate intoxication on emergency department resource utilisation

2024

Journal Article

Effectiveness of intramuscular naloxone 1,600 μg in addition to titrated intravenous naloxone 100 μg for opioid poisoning: a randomised controlled trial

Isoardi, Katherine Z., Harris, Keith, Currey, Elizabeth, Buckley, Nicholas A. and Isbister, Geoffrey K. (2024). Effectiveness of intramuscular naloxone 1,600 μg in addition to titrated intravenous naloxone 100 μg for opioid poisoning: a randomised controlled trial. Clinical Toxicology, 62 (10), 643-650. doi: 10.1080/15563650.2024.2396447

Effectiveness of intramuscular naloxone 1,600 μg in addition to titrated intravenous naloxone 100 μg for opioid poisoning: a randomised controlled trial

2024

Journal Article

Rationalising the dose threshold for severe carbamazepine toxicity: a retrospective series

Harris, Keith, Dalton, Bradley, Learmont, Benjamin G. and Isoardi, Katherine Z. (2024). Rationalising the dose threshold for severe carbamazepine toxicity: a retrospective series. Clinical Toxicology, 62 (8), 533-535. doi: 10.1080/15563650.2024.2378091

Rationalising the dose threshold for severe carbamazepine toxicity: a retrospective series

2024

Journal Article

Accuracy of plant identification applications to identify plants in suspected poisoning cases referred to the Queensland Poisons Information Centre

McNeill, Iain, Knoeckel, Robert, Goggin, Anna, Wylie, Carol and Isoardi, Katherine (2024). Accuracy of plant identification applications to identify plants in suspected poisoning cases referred to the Queensland Poisons Information Centre. Toxicology Communications, 8 (1) 2377523, 1-7. doi: 10.1080/24734306.2024.2377523

Accuracy of plant identification applications to identify plants in suspected poisoning cases referred to the Queensland Poisons Information Centre

Funding

Current funding

  • 2025 - 2027
    Automated Clinical Data Extraction to Enhance Toxicology Services and Improve Emergency Medicine Outcomes Project STREAM (System for Toxicology Research and Emergency Medicine)
    Emergency Medicine Foundation Ltd
    Open grant

Past funding

  • 2021 - 2024
    Effectiveness And Safety Of Large Bolus Of Intramuscular Naloxone For Opioid Poisoning In The Emergency Department: A Randomised Controlled Trial
    Queensland Advancing Clinical Research Fellowship
    Open grant
  • 2018 - 2024
    A non-inferiority randomised controlled trial of a Shorter Acetylcy steine Regimen for Paracetamol Overdose - the SAR PO trial
    Emergency Medicine Foundation Ltd
    Open grant

Supervision

Availability

Associate Professor Katherine Isoardi is:
Available for supervision

Before you email them, read our advice on how to contact a supervisor.

Supervision history

Current supervision

Media

Enquiries

Contact Associate Professor Katherine Isoardi directly for media enquiries about:

  • drug intoxication
  • opioids
  • overdose
  • poisoning
  • toxicology

Need help?

For help with finding experts, story ideas and media enquiries, contact our Media team:

communications@uq.edu.au