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Dr Yoon An
Dr

Yoon An

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Overview

Background

Dr Yoon-Kyo An is the “Head of Inflammatory Bowel Disease (IBD)” at Mater Hospital Brisbane and the “Clinical Lead of the IBD Clinical Trials Unit” at Mater Research, a world class centre of clinical and research excellence. The centre is among the largest IBD clinical research units in Australia. She is also a gastroenterologist who specialises in IBD, combining public and private practices at Mater Hospital Brisbane, Mater Private Hospital Brisbane, and Mater Private Hospital Redland. She holds a senior lecturer position at the University of Queensland. Dr An is a co-founder of digital healthcare education platform ‘GutTalk’, which aims to empower patients and communities by closing the communication and knowledge gap in Gut Health.

Dr An completed her Medical Science degree (BMedSc) at the University of Sydney and her Medical degree (MBBS) at the University of Queensland. She undertook her physician and advanced gastroenterology training at the Royal Brisbane and Women’s Hospital and Mater Hospital Brisbane. She completed a clinical and research fellowship in IBD at Mater Hospital Brisbane and completed the executive business and leadership program at the University of Oxford Said Business School. She is currently pursuing a PhD through the University of Queensland and an MBA through Griffith University.

Dr An is a passionate advocate for optimising patient outcomes through a holistic approach to care including personalised treatment plans to manage digestive health and incorporation of clinical and translational research. She is an active IBD clinician and researcher as well as a patient advocate. Her own research focusses on real-world effectiveness of biologic therapy in IBD and the use of intestinal ultrasound to monitor disease activity and predict responses to therapy. She drives collaborative research projects throughout Australia and is actively involved with the Australia New Zealand Inflammatory Bowel Disease Consortium (ANZIBDC), the Gastroenterology Network for Intestinal Ultrasound (GENIUS) and the Gastroenterological Society of Australia (GESA).

Dr An has been successful in competitive research funding from industry and philanthropic organisations. She was the recipient of the inaugural GENIUS fellowship. She has affiliations with many Gastroenterology and IBD societies and has a national presence through her numerous symposia and conference presentations. She also serves on several Medical Advisory Boards including Chiesi, Bristol-Myers Squibb, and NPS Medicine Wise as well as sitting on the Council of Therapeutic Advisory Group. She is a GESA representative on the GP Aware Program committee and works collaboratively with Crohn’s and Colitis Australia (CCA).

Current Appointments

  • 2021 – current: Executive Committee Member – Secretary, ​​​​​​​​​​​​​​ Australia and New Zealand Inflammatory Bowel Disease Consortium (ANZIBDC)
  • 2020 – current: Scientific Committee Member, Australia and New Zealand Inflammatory Bowel Disease Consortium (ANZIBDC)
  • 2020 – current: Board Member – Research Officer, Gastroenterology Network for Intestinal Ultrasound (GENIUS)
  • 2020 – current: Executive Committee Member – IBD Liaison Officer, Young GESA Network, Gastroenterological Society of Australia (GESA)
  • 2020 – current: Expert Advisory Group member, The Council of Therapeutic Advisory Groups (CATAG)
  • 2020 – current: GESA representative, CCA-GESA GP Aware Program Committee, Crohn’s and Colitis Australia (CCA)
  • 2020 – current: Expert Working Group Member, bDMARDs Gastroenterology Design Forum, NPS Medicine Wise
  • 2020 – current: Stakeholder Panel (GESA representative), Value in Prescribing bDMARDs Program, NPS Medicine Wise

Availability

Dr Yoon An is:
Available for supervision

Works

Search Professor Yoon An’s works on UQ eSpace

78 works between 2011 and 2025

1 - 20 of 78 works

2025

Journal Article

Comparing Long‐Term Infliximab Persistence Following a Switch to a Biosimilar in Patients With Inflammatory Bowel Disease: No Cause for Concern

Suo, Paulina, Srinivasan, Ashish, Thin, Lena, An, Yoon‐Kyo, Fernandes, Richard G., Ghaly, Simon, Jeffrey, Angus W., Menon, Shankar, Olsen, Nicholas, Skinner, Thomas, van Langenberg, Daniel R., Winston, James and Haifer, Craig (2025). Comparing Long‐Term Infliximab Persistence Following a Switch to a Biosimilar in Patients With Inflammatory Bowel Disease: No Cause for Concern. Journal of Gastroenterology and Hepatology. doi: 10.1111/jgh.16916

Comparing Long‐Term Infliximab Persistence Following a Switch to a Biosimilar in Patients With Inflammatory Bowel Disease: No Cause for Concern

2025

Conference Publication

Handheld ultrasound devices are an accurate alternative to cart-based ultrasound for IBD disease activity assessment

Fernandes, R., Swe, E., Khaing, M. M., Gilmore, R., Khoo, E., An, Y. K. and Begun, J. (2025). Handheld ultrasound devices are an accurate alternative to cart-based ultrasound for IBD disease activity assessment. 20th Congress of ECCO, Berlin, Germany, 19-22 February 2025. Oxford, United Kingdom: Oxford University Press. doi: 10.1093/ecco-jcc/jjae190.1349

Handheld ultrasound devices are an accurate alternative to cart-based ultrasound for IBD disease activity assessment

2025

Journal Article

P0603 The real-world use of intravenous and subcutaneous Vedolizumab in IBD across Australia and New Zealand, Crohn’s Colitis Cure Data Insight’s Program

Su, W K, Wilson, W, Wark, G, Ghaly, S, Lynch, K, Lawrance, I, Walker, G, Forbes, A, Brett, L, An, Y K, Connor, S J and Andrews, J M (2025). P0603 The real-world use of intravenous and subcutaneous Vedolizumab in IBD across Australia and New Zealand, Crohn’s Colitis Cure Data Insight’s Program. Journal of Crohn's and Colitis, 19 (Supplement_1), i1197-i1198. doi: 10.1093/ecco-jcc/jjae190.0777

P0603 The real-world use of intravenous and subcutaneous Vedolizumab in IBD across Australia and New Zealand, Crohn’s Colitis Cure Data Insight’s Program

2025

Journal Article

P0257 Correlation of biochemical, endoscopic and histologic endpoints in vedolizumab-treated patients with ulcerative colitis: a post-hoc analysis from the VIEWS randomised controlled trial

Pudipeddi, A, Dhanji, P, Paramsothy, S, Kariyawasam, V, Paramsothy, R, Ghaly, S, Haifer, C, An, Y K, Begun, J, Connor, S, Corte, C, Ward, M, De Cruz, P, Fung, C, Redmond, D, Chan, W, Mourad, F, Kermeen, M and Leong, R (2025). P0257 Correlation of biochemical, endoscopic and histologic endpoints in vedolizumab-treated patients with ulcerative colitis: a post-hoc analysis from the VIEWS randomised controlled trial. Journal of Crohn's and Colitis, 19 (Supplement_1), i688-i689. doi: 10.1093/ecco-jcc/jjae190.0431

P0257 Correlation of biochemical, endoscopic and histologic endpoints in vedolizumab-treated patients with ulcerative colitis: a post-hoc analysis from the VIEWS randomised controlled trial

2025

Journal Article

DOP015 Consistency and Quality of Inflammatory Bowel Disease care in Australasia; Towards Benchmarking, Crohn’s Colitis Cure Data Insight’s Program

Su, W K, McNamara, J, Wilson, W, Wark, G, Lynch, K, Su, H, Forbes, A, Lawrance, I, An, Y K, Dutt, S, Brett, L, Walker, G, Andrews, J M, Connor, S J and Ghaly, S (2025). DOP015 Consistency and Quality of Inflammatory Bowel Disease care in Australasia; Towards Benchmarking, Crohn’s Colitis Cure Data Insight’s Program. Journal of Crohn's and Colitis, 19 (Supplement_1), i111-i112. doi: 10.1093/ecco-jcc/jjae190.0054

DOP015 Consistency and Quality of Inflammatory Bowel Disease care in Australasia; Towards Benchmarking, Crohn’s Colitis Cure Data Insight’s Program

2024

Journal Article

Upadacitinib induction is effective and safe in ulcerative colitis patients including those with prior exposure to tofacitinib: a multicenter real-world cohort study

Gilmore, Robert, Fernandes, Richard, Hartley, Imogen, Arzivian, Arteen, Leong, Rupert, Andrew, Bridgette, Vasudevan, Abhinav, Greeve, Tessa, Moore, Gregory Thomas, Kim, Steven, Lightowler, Daniel, Singh, Abhey, Mahy, Gillian, Mithanthaya, Aditya, Venugopaul, Kannan, Han, Sangwoo, Bryant, Robert, West, Jack, Segal, Jonathan, Christensen, Britt, Corte, Crispin, Ding, Nik, An, Yoon-Kyo and Begun, Jakob (2024). Upadacitinib induction is effective and safe in ulcerative colitis patients including those with prior exposure to tofacitinib: a multicenter real-world cohort study. Intestinal Research. doi: 10.5217/ir.2024.00127

Upadacitinib induction is effective and safe in ulcerative colitis patients including those with prior exposure to tofacitinib: a multicenter real-world cohort study

2024

Conference Publication

Endotoxemia As Possible Cause of Inflammatory Bowel Diseases-Associated Anemia

Bisht, Kavita, An, Yoon-Kyo, Shatunova, Svetlana, Wang, Ran, Barbier, Valerie, Giri, Rabina, Amiss, Anna, Tang, Yifu, Alexander, Kylie, Millard, Susan, Winkler, Ingrid G., Pettit, Allison, Begun, Jakob and Levesque, Jean-Pierre (2024). Endotoxemia As Possible Cause of Inflammatory Bowel Diseases-Associated Anemia. 66th ASH Annual Meeting, San Diego, CA United States, 7-10 December 2024. Washington, DC United States: American Society of Hematology. doi: 10.1182/blood-2024-193349

Endotoxemia As Possible Cause of Inflammatory Bowel Diseases-Associated Anemia

2024

Journal Article

Optimizing 5-aminosalicylate for moderate ulcerative colitis: expert recommendations from the Asia-Pacific, Middle East, and Africa Inflammatory Bowel Disease Coalition

Akyüz, Filiz, An, Yoon Kyo, Begun, Jakob, Aniwan, Satimai, Bui, Huu Hoang, Chan, Webber, Choi, Chang Hwan, Chopdat, Nazeer, Connor, Susan J, Desai, Devendra, Flanagan, Emma, Kobayashi, Taku, Lai, Allen Yu-Hung, Leong, Rupert W, Leow, Alex Hwong-Ruey, Leung, Wai Keung, Limsrivilai, Julajak, Muzellina, Virly Nanda, Peddi, Kiran, Ran, Zhihua, Wei, Shu Chen, Sollano, Jose, Teo, Michelle Mui Hian, Wu, Kaichun, Ye, Byong Duk and Ooi, Choon Jin (2024). Optimizing 5-aminosalicylate for moderate ulcerative colitis: expert recommendations from the Asia-Pacific, Middle East, and Africa Inflammatory Bowel Disease Coalition. Intestinal Research, 23 (1), 37-55. doi: 10.5217/ir.2024.00089

Optimizing 5-aminosalicylate for moderate ulcerative colitis: expert recommendations from the Asia-Pacific, Middle East, and Africa Inflammatory Bowel Disease Coalition

2024

Journal Article

Effects of thiopurine withdrawal on vedolizumab-treated patients with ulcerative colitis: a randomized controlled trial

Pudipeddi, Aviv, Paramsothy, Sudarshan, Kariyawasam, Viraj, Paramsothy, Ramesh, Ghaly, Simon, Haifer, Craig, An, Yoon-Kyo, Begun, Jakob, Connor, Susan J., Corte, Crispin, Ward, Mark G., De Cruz, Peter, Fung, Caroline Lan-San, Redmond, Diane, Chan, Webber, Mourad, Fadi, Kermeen, Melissa and Leong, Rupert W. (2024). Effects of thiopurine withdrawal on vedolizumab-treated patients with ulcerative colitis: a randomized controlled trial. Clinical Gastroenterology and Hepatology, 22 (11), 2299-2308. doi: 10.1016/j.cgh.2024.04.019

Effects of thiopurine withdrawal on vedolizumab-treated patients with ulcerative colitis: a randomized controlled trial

2024

Conference Publication

Documented variation in inflammatory bowel disease care in Australasia : Crohn's Colitis Cure (CCC) data insights program

Su, Wai Kin, Mcnamara, Jack, Pipicella, Joseph, Wilson, William, Ghaly, Simon, Cabaero, Aura Gesha, Walker, Gareth, Forbes, Angela, Su, Heidi, Brett, Laurel, Dutt, Shoma, An, Yoon-Kyo, Lawrance, Ian, Lynch, Kate, Andrews, Jane and Connor, Susan J. (2024). Documented variation in inflammatory bowel disease care in Australasia : Crohn's Colitis Cure (CCC) data insights program. Gastroenterological Society of Australia (GESA) Australian Gastroenterology Week (AGW) 2024, Adelaide, SA Australia, 14-16 September 2024. Richmond, VIC Australia: John Wiley & Sons.

Documented variation in inflammatory bowel disease care in Australasia : Crohn's Colitis Cure (CCC) data insights program

2024

Conference Publication

Efficacy of combination vedolizumab and upadacitinib treatment in refractory inflammatory bowel disease: a case series

Swe, Ei Phyu Phyu, Gilmore, Robert, Murali, Amrutha, Etchegaray, Amirah, Fernandes, Richard, An, Yoon-Kyo and Begun, Jakob (2024). Efficacy of combination vedolizumab and upadacitinib treatment in refractory inflammatory bowel disease: a case series. Gastroenterological Society of Australia (GESA) Australian Gastroenterology Week (AGW) 2024, Adelaide, SA Australia, 14-16 September 2024. Richmond, VIC Australia: John Wiley & Sons.

Efficacy of combination vedolizumab and upadacitinib treatment in refractory inflammatory bowel disease: a case series

2024

Conference Publication

Exploring a novel score to assess the patient perceived burden of disease in Crohn's disease and ulcerative colitis: Crohn's Colitis Cure (CCC) data insights program

Su, Wai Kin, Gu, Bonita, Pipicella, Joseph, Wilson, William, Kim, Andrew, Wark, Gabrielle, Giles, Edward, Walker, Gareth, Forbes, Angela, Su, Heidi, Dutt, Shoma, An, Yoon-Kyo, Lawrance, Ian, Lynch, Kate, Connor, Susan J. and Andrews, Jane (2024). Exploring a novel score to assess the patient perceived burden of disease in Crohn's disease and ulcerative colitis: Crohn's Colitis Cure (CCC) data insights program. Gastroenterological Society of Australia (GESA) Australian Gastroenterology Week (AGW) 2024, Adelaide, SA Australia, 14-16 September 2024. Richmond, VIC Australia: John Wiley & Sons.

Exploring a novel score to assess the patient perceived burden of disease in Crohn's disease and ulcerative colitis: Crohn's Colitis Cure (CCC) data insights program

2024

Conference Publication

Dose escalated therapy improving outcomes in inflammatory bowel disease: Crohn's Colitis Cure (CCC) data insights program

Su, Wai Kin, Wilson, William, Ng, Watson, Whittaker, Clair, Giles, Edward, Walker, Gareth, Forbes, Angela, Lawrance, Ian, Dutt, Shoma, Lynch, Kate, Brett, Laurel, An, Yoon-Kyo, Connor, Susan J. and Andrews, Jane (2024). Dose escalated therapy improving outcomes in inflammatory bowel disease: Crohn's Colitis Cure (CCC) data insights program. Gastroenterological Society of Australia (GESA) Australian Gastroenterology Week (AGW) 2024, Adelaide, SA Australia, 14-16 September 2024. Richmond, VIC Australia: John Wiley & Sons.

Dose escalated therapy improving outcomes in inflammatory bowel disease: Crohn's Colitis Cure (CCC) data insights program

2024

Conference Publication

The real-world use of five aminosalicylate treatment for ulcerative colitis: Crohn's Colitis Cure (CCC) data insights program

Su, Wai Kin, Wilson, William, Pipicella, Joseph, Haifer, Craig, Williams, Astrid-Jane, Lynch, Kate, Forbes, Angela, Walker, Gareth, Schultz, Michael, Lawrance, Ian, An, Yoon-Kyo, Brett, Laurel, Connor, Susan J. and Andrews, Jane (2024). The real-world use of five aminosalicylate treatment for ulcerative colitis: Crohn's Colitis Cure (CCC) data insights program. Gastroenterological Society of Australia (GESA) Australian Gastroenterology Week (AGW) 2024, Adelaide, SA Australia, 14-16 September 2024. Richmond, VIC Australia: John Wiley & Sons.

The real-world use of five aminosalicylate treatment for ulcerative colitis: Crohn's Colitis Cure (CCC) data insights program

2024

Journal Article

Reliability of intestinal ultrasound for evaluating Crohn’s disease activity using point-of-care and central reading

Goodsall, Thomas M., An, Yoon-Kyo, Andrews, Jane M., Begun, Jakob, Friedman, Antony B., Lee, Andrew, Lewindon, Peter J., Spizzo, Paul, Rodgers, Nick, Taylor, Kirstin M., White, Lauren S., Wilkens, Rune, Wright, Emily K., Zou, Lily, Maguire, Bryan R., Parker, Claire E., Rémillard, Julie, Novak, Kerri L., Panaccione, Remo, Feagan, Brian G., Jairath, Vipul, Ma, Christopher and Bryant, Robert V. (2024). Reliability of intestinal ultrasound for evaluating Crohn’s disease activity using point-of-care and central reading. Clinical Gastroenterology and Hepatology. doi: 10.1016/j.cgh.2024.08.007

Reliability of intestinal ultrasound for evaluating Crohn’s disease activity using point-of-care and central reading

2024

Journal Article

Switching from Dose-Intensified intravenous to SubCutaneoUS infliximab in Inflammatory Bowel Disease (DISCUS-IBD): protocol for a multicentre randomised controlled trial

Little, Robert D., McKenzie, Jo, Srinivasan, Ashish, Hilley, Patrick, Gilmore, Robert B., Chee, Desmond, Sandhu, Manjeet, Saitta, Daniel, Chow, Elizabeth, Thin, Lena, Walker, Gareth J., Moore, Gregory T., Lynch, Kate, Andrews, Jane, An, Yoon K., Bryant, Robert V., Connor, Susan J., Garg, Mayur, Wright, Emily K., Hold, Georgina, Segal, Jonathan P., Boussioutas, Alex, De Cruz, Peter, Ward, Mark G. and Sparrow, Miles P. (2024). Switching from Dose-Intensified intravenous to SubCutaneoUS infliximab in Inflammatory Bowel Disease (DISCUS-IBD): protocol for a multicentre randomised controlled trial. BMJ Open, 14 (7) e081787, 1-8. doi: 10.1136/bmjopen-2023-081787

Switching from Dose-Intensified intravenous to SubCutaneoUS infliximab in Inflammatory Bowel Disease (DISCUS-IBD): protocol for a multicentre randomised controlled trial

2024

Journal Article

High technical success rate of endoscopic balloon dilatation reduces surgical requirement for patients with stricturing Crohn’s disease

Lim, Emily, Thai, Maxter, An, Yoon-Kyo, Hendy, Peter, Alchlaihawi, Mahmoud, Leong, Rupert, Connor, Susan, Ng, Watson, Gu, Bonita, Thin, Lena, Sparrow, Miles, Gilmore, Robert, Taylor, Kirstin, Sallis, Olivia, Andrews, Jane M., Daker, Charlotte, Gearry, Richard B., Wark, Gabrielle, Ghaly, Simon, Begun, Matt, Krishnaprasad, Krupa, Wu, Tianhong, Ruddick-Collins, Leonie, Schreiber, Veronika, Okano, Satomi, Radford-Smith, Graham, Schulberg, Julien, van Langenberg, Daniel and Begun, Jakob (2024). High technical success rate of endoscopic balloon dilatation reduces surgical requirement for patients with stricturing Crohn’s disease. GastroHep, 2024 (1) 3686618, 1-10. doi: 10.1155/2024/3686618

High technical success rate of endoscopic balloon dilatation reduces surgical requirement for patients with stricturing Crohn’s disease

2024

Conference Publication

Tofacitinib demonstrates preliminary efficacy in induction of remission in chronic pouchitis

Khoo, Emi, Amiss, Anna, Ding, Nik S., Bryant, Robert V., Mohsen, Waled, Connor, Susan J., Leong, Rupert, Croft, Anthony, Lynch, Kate D., Sparrow, Miles, De Cruz, Peter, An, Yoon-Kyo, Holtmann, Gerald J. and Begun, Jakob (2024). Tofacitinib demonstrates preliminary efficacy in induction of remission in chronic pouchitis. Digestive Disease Week (DDW) 2024, Washington, DC, United States, 18-21 May 2024. Philadelphia, PA, United States: Elsevier. doi: 10.1016/s0016-5085(24)00988-0

Tofacitinib demonstrates preliminary efficacy in induction of remission in chronic pouchitis

2024

Conference Publication

A Cost-effective Inflammatory Bowel Disease Flare Management Pathway Utilising Rapid Access Intestinal Ultrasound And Nurse-led Triage To Achieve Hospital Avoidance With High Patient Satisfaction

Fernandes, Richard G., Khoo, Emi, Harris, Heidi Jensen, Gilmore, Robert, Khaing, Myat Myat, Begun, Jakob and An, Yoon-Kyo (2024). A Cost-effective Inflammatory Bowel Disease Flare Management Pathway Utilising Rapid Access Intestinal Ultrasound And Nurse-led Triage To Achieve Hospital Avoidance With High Patient Satisfaction. Digestive Disease Week (DDW) 2024, Chicago, IL United States, 18-21 May 2024. Philadelphia, PA United States: Elsevier. doi: 10.1016/s0016-5085(24)01652-4

A Cost-effective Inflammatory Bowel Disease Flare Management Pathway Utilising Rapid Access Intestinal Ultrasound And Nurse-led Triage To Achieve Hospital Avoidance With High Patient Satisfaction

2024

Other Outputs

Australia Ustekinumab Real-world Observational Research (AURORA)

An, Yoon-Kyo (2024). Australia Ustekinumab Real-world Observational Research (AURORA). PhD Thesis, Faculty of Medicine, The University of Queensland. doi: 10.14264/292cc48

Australia Ustekinumab Real-world Observational Research (AURORA)

Supervision

Availability

Dr Yoon An is:
Available for supervision

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Media

Enquiries

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