Epidemiology and Treatment Patterns of Fistulizing Crohn’s Disease in a Large, Real-World Australasian Cohort

Background and Aims: Fistulizing Crohn’s Disease (fCD) affects up to 50% of people with Crohn’s Disease over their lifetime. Despite this high prevalence, the burden of disease, treatment and natural history in the current biologic era are poorly described. This study explores demographic, disease a...

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Main Authors: Jack McNamara, William Wilson, Joseph L. Pipicella, Simon Ghaly, Jakob Begun, Ian C. Lawrance, Richard Gearry, Jane M. Andrews, Susan J. Connor
Format: Article
Language:English
Published: Elsevier 2025-01-01
Series:Gastro Hep Advances
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Online Access:http://www.sciencedirect.com/science/article/pii/S2772572324001900
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author Jack McNamara
William Wilson
Joseph L. Pipicella
Simon Ghaly
Jakob Begun
Ian C. Lawrance
Richard Gearry
Jane M. Andrews
Susan J. Connor
author_facet Jack McNamara
William Wilson
Joseph L. Pipicella
Simon Ghaly
Jakob Begun
Ian C. Lawrance
Richard Gearry
Jane M. Andrews
Susan J. Connor
author_sort Jack McNamara
collection DOAJ
description Background and Aims: Fistulizing Crohn’s Disease (fCD) affects up to 50% of people with Crohn’s Disease over their lifetime. Despite this high prevalence, the burden of disease, treatment and natural history in the current biologic era are poorly described. This study explores demographic, disease and treatment factors in a real-world Australasian cohort. Methods: A large real-world cohort of people with inflammatory bowel disease under routine care was interrogated in August 2023. Current fCD was defined as fistula(e) on most recent clinical, radiologic or endoscopic investigation; prior fCD was defined as the resolution of fistula(e) on most recent documentation. Results: Of 3075 people with Crohn’s Disease, 7.4% had current and 10.1% prior fCD (n = 224 &amp; 311). Most patients were in Australia (77%), where 19.3% had current or previous fCD compared to 11% in New Zealand (P < .001). Patients with current or previous fCD were younger compared to those without (P = .003 &amp; P < .001). Males were more commonly affected (P = .021). Current or prior fCD were more likely to be on biologic therapy (P < .001), with anti-tumor necrosis factor agents most frequently utilized. Conversely, those without fCD were more likely on Ustekinumab or Vedolizumab compared to current and prior fCD groups. People with fistulizing disease had higher hospitalization rates, while the prior fCD cohort had longer hospital admissions and more frequently required surgical intervention. Conclusion: People with fCD used more health-care resources, making this an important area for further research into care gaps to improve outcomes and optimal treatment approaches.
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spelling doaj-art-44186594c9a24c84b5c3d21b0524b0992025-02-08T05:01:41ZengElsevierGastro Hep Advances2772-57232025-01-0144100594Epidemiology and Treatment Patterns of Fistulizing Crohn’s Disease in a Large, Real-World Australasian CohortJack McNamara0William Wilson1Joseph L. Pipicella2Simon Ghaly3Jakob Begun4Ian C. Lawrance5Richard Gearry6Jane M. Andrews7Susan J. Connor8Liverpool Hospital Department of Gastroenterology &amp; Hepatology, Sydney, NSW, Australia; Ingham Institute for Applied Medical Research, Gastroenterology, Hepatology and Inflammatory Bowel Disease Research Group, Liverpool, NSW, Australia; Correspondence: Address correspondence to: Jack McNamara, Department of Gastroenterology &amp; Hepatology Liverpool Hospital, Elizabeth Drive, Liverpool, NSW 2170, Australia.Lyell McEwin Hospital, Adelaide, SA, AustraliaIngham Institute for Applied Medical Research, Gastroenterology, Hepatology and Inflammatory Bowel Disease Research Group, Liverpool, NSW, Australia; Crohn’s Colitis Cure, Sydney, NSW, Australia; Medicine &amp; Health (South Western Sydney Clinical School), University of New South Wales, Sydney, NSW, AustraliaDepartment of Gastroenterology, St Vincent’s Hospital, Sydney, NSW, Australia; St Vincent’s Clinical School, University of New South Wales, Sydney, NSW, AustraliaDepartment of Gastroenterology, Mater Hospital, Brisbane, QLD, Australia; Faculty of Medicine, University of Queensland, St Lucia, QLD, AustraliaCrohn’s Colitis Cure, Sydney, NSW, Australia; School of Medicine, University of Western Australia, Crawley, WA, AustraliaDepartment of Medicine, University of Otago, Christchurch, New ZealandCrohn’s Colitis Cure, Sydney, NSW, Australia; Central Adelaide Local Health Network, Adelaide, SA, Australia; University of Adelaide Faculty of Health Sciences, Adelaide, SA, AustraliaLiverpool Hospital Department of Gastroenterology &amp; Hepatology, Sydney, NSW, Australia; Ingham Institute for Applied Medical Research, Gastroenterology, Hepatology and Inflammatory Bowel Disease Research Group, Liverpool, NSW, Australia; Crohn’s Colitis Cure, Sydney, NSW, Australia; Medicine &amp; Health (South Western Sydney Clinical School), University of New South Wales, Sydney, NSW, AustraliaBackground and Aims: Fistulizing Crohn’s Disease (fCD) affects up to 50% of people with Crohn’s Disease over their lifetime. Despite this high prevalence, the burden of disease, treatment and natural history in the current biologic era are poorly described. This study explores demographic, disease and treatment factors in a real-world Australasian cohort. Methods: A large real-world cohort of people with inflammatory bowel disease under routine care was interrogated in August 2023. Current fCD was defined as fistula(e) on most recent clinical, radiologic or endoscopic investigation; prior fCD was defined as the resolution of fistula(e) on most recent documentation. Results: Of 3075 people with Crohn’s Disease, 7.4% had current and 10.1% prior fCD (n = 224 &amp; 311). Most patients were in Australia (77%), where 19.3% had current or previous fCD compared to 11% in New Zealand (P < .001). Patients with current or previous fCD were younger compared to those without (P = .003 &amp; P < .001). Males were more commonly affected (P = .021). Current or prior fCD were more likely to be on biologic therapy (P < .001), with anti-tumor necrosis factor agents most frequently utilized. Conversely, those without fCD were more likely on Ustekinumab or Vedolizumab compared to current and prior fCD groups. People with fistulizing disease had higher hospitalization rates, while the prior fCD cohort had longer hospital admissions and more frequently required surgical intervention. Conclusion: People with fCD used more health-care resources, making this an important area for further research into care gaps to improve outcomes and optimal treatment approaches.http://www.sciencedirect.com/science/article/pii/S2772572324001900Crohn’s DiseaseColitisFistulaBiologic Therapy
spellingShingle Jack McNamara
William Wilson
Joseph L. Pipicella
Simon Ghaly
Jakob Begun
Ian C. Lawrance
Richard Gearry
Jane M. Andrews
Susan J. Connor
Epidemiology and Treatment Patterns of Fistulizing Crohn’s Disease in a Large, Real-World Australasian Cohort
Gastro Hep Advances
Crohn’s Disease
Colitis
Fistula
Biologic Therapy
title Epidemiology and Treatment Patterns of Fistulizing Crohn’s Disease in a Large, Real-World Australasian Cohort
title_full Epidemiology and Treatment Patterns of Fistulizing Crohn’s Disease in a Large, Real-World Australasian Cohort
title_fullStr Epidemiology and Treatment Patterns of Fistulizing Crohn’s Disease in a Large, Real-World Australasian Cohort
title_full_unstemmed Epidemiology and Treatment Patterns of Fistulizing Crohn’s Disease in a Large, Real-World Australasian Cohort
title_short Epidemiology and Treatment Patterns of Fistulizing Crohn’s Disease in a Large, Real-World Australasian Cohort
title_sort epidemiology and treatment patterns of fistulizing crohn s disease in a large real world australasian cohort
topic Crohn’s Disease
Colitis
Fistula
Biologic Therapy
url http://www.sciencedirect.com/science/article/pii/S2772572324001900
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