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Trivedi PJ, Arndtz K, Abbas N, Telford A, Young L, Banerjee R, Eddowes P, Jhaveri KS, Hirschfield GM. Quantitative MRCP and metrics of bile duct disease over time in patients with primary sclerosing cholangitis: A prospective study. Aliment Pharmacol Ther 2024. [PMID: 38571284 DOI: 10.1111/apt.17944] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 11/13/2024] [Accepted: 02/28/2024] [Indexed: 04/05/2024]
Abstract
BACKGROUND Imaging markers of biliary disease in primary sclerosing cholangitis (PSC) have potential for use in clinical and trial disease monitoring. Herein, we evaluate how quantitative magnetic resonance cholangiopancreatography (MRCP) metrics change over time, as per the natural history of disease. METHODS Individuals with PSC were prospectively scanned using non-contrast MRCP. Quantitative metrics were calculated using MRCP+ post-processing software to assess duct diameters and dilated and strictured regions. Additionally, a hepatopancreatobiliary radiologist (blinded to clinical details, biochemistry and quantitative biliary metrics) reported each scan, including ductal disease assessment according to the modified Amsterdam Cholangiographic Score (MAS). RESULTS At baseline, 14 quantitative MRCP+ metrics were found to be significantly different in patients with PSC (N = 55) compared to those with primary biliary cholangitis (N = 55), autoimmune hepatitis (N = 57) and healthy controls (N = 18). In PSC specifically, baseline metrics quantifying the number of strictures and the number and length of bile ducts correlated with the MAS, transient elastography and serum ALP values (p < 0.01 for all correlations). Over a median 371-day follow-up (range: 364-462), 29 patients with PSC underwent repeat MRCP, of whom 15 exhibited quantitative changes in MRCP+ metrics. Compared to baseline, quantitative MRCP+ identified an increasing number of strictures over time (p < 0.05). Comparatively, no significant differences in biochemistry, elastography or the MAS were observed between timepoints. Quantitative MRCP+ metrics remained stable in non-PSC liver disease. CONCLUSION Quantitative MRCP+ identifies changes in ductal disease over time in PSC, despite stability in biochemistry, liver stiffness and radiologist-derived cholangiographic assessment (trial registration: ISRCTN39463479).
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Affiliation(s)
- Palak J Trivedi
- National Institute for Health and Care Research (NIHR) Birmingham Biomedical Research Centre, Centre for Liver and Gastrointestinal Research and Gastrointestinal Research, National Institute of Health Research (NIHR) Birmingham Biomedical Research Centre (BRC), University of Birmingham, Birmingham, UK
- Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham, UK
- Liver Unit, University Hospitals Birmingham Queen Elizabeth, Birmingham, UK
- Institute of Applied Health Research, University of Birmingham, Birmingham, UK
| | - Katherine Arndtz
- National Institute for Health and Care Research (NIHR) Birmingham Biomedical Research Centre, Centre for Liver and Gastrointestinal Research and Gastrointestinal Research, National Institute of Health Research (NIHR) Birmingham Biomedical Research Centre (BRC), University of Birmingham, Birmingham, UK
- Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham, UK
- Liver Unit, University Hospitals Birmingham Queen Elizabeth, Birmingham, UK
- Institute of Applied Health Research, University of Birmingham, Birmingham, UK
| | - Nadir Abbas
- National Institute for Health and Care Research (NIHR) Birmingham Biomedical Research Centre, Centre for Liver and Gastrointestinal Research and Gastrointestinal Research, National Institute of Health Research (NIHR) Birmingham Biomedical Research Centre (BRC), University of Birmingham, Birmingham, UK
- Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham, UK
- Liver Unit, University Hospitals Birmingham Queen Elizabeth, Birmingham, UK
| | | | | | | | - Peter Eddowes
- National Institute for Health and Care Research (NIHR) Birmingham Biomedical Research Centre, Centre for Liver and Gastrointestinal Research and Gastrointestinal Research, National Institute of Health Research (NIHR) Birmingham Biomedical Research Centre (BRC), University of Birmingham, Birmingham, UK
- Institute of Immunology and Immunotherapy, University of Birmingham, Birmingham, UK
- NIHR Nottingham BRC, University of Nottingham, Nottingham, UK
- Nottingham University Hospitals NHS Trust, Nottingham, UK
| | - Kartik S Jhaveri
- Division of Radiology, University Health Network, University of Toronto, Toronto, Ontario, Canada
| | - Gideon M Hirschfield
- University Health Network and Department of Medicine, Toronto Centre for Liver Disease, University of Toronto, Toronto, Ontario, Canada
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Arndtz K, Shumbayawonda E, Hodson J, Eddowes PJ, Dennis A, Thomaides-Brears H, Mouchti S, Kelly MD, Banerjee R, Neubauer S, Hirschfield GM. Multiparametric Magnetic Resonance Imaging, Autoimmune Hepatitis, and Prediction of Disease Activity. Hepatol Commun 2021; 5:1009-1020. [PMID: 34141986 PMCID: PMC8183180 DOI: 10.1002/hep4.1687] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 01/05/2021] [Accepted: 01/18/2021] [Indexed: 02/06/2023] Open
Abstract
Noninvasive monitoring of disease activity in autoimmune hepatitis (AIH) has potential advantages for patients for whom liver biopsy is invasive and with risk. We sought to understand the association of multiparametric magnetic resonance imaging (mpMRI) with clinical course of patients with AIH. We prospectively recruited 62 patients (median age, 55 years; 82% women) with clinically confirmed AIH. At recruitment, patients underwent mpMRI with LiverMultiScan alongside clinical investigations, which were repeated after 12-18 months. Associations between iron-corrected T1 (cT1) and other markers of disease were investigated at baseline and at follow-up. Discriminative performance of cT1, liver stiffness, and enhanced liver fibrosis (ELF) to identify those who failed to maintain remission over follow-up was investigated using the areas under the receiver operating characteristic curves (AUCs). Baseline cT1 correlated with alanine aminotransferase (Spearman's correlation coefficient [r S] = 0.28, P = 0.028), aspartate aminotransferase (r S = 0.26, P = 0.038), international normalized ratio (r S = 0.35 P = 0.005), Model for End-Stage Liver Disease (r S = 0.32, P = 0.020), ELF (r S = 0.29, P = 0.022), and liver stiffness r S = 0.51, P < 0.001). After excluding those not in remission at baseline (n = 12), 32% of the remainder failed to maintain remission during follow-up. Failure to maintain remission was associated with significant increases in cT1 over follow-up (AUC, 0.71; 95% confidence interval [CI], 0.52-0.90; P = 0.035) but not with changes in liver stiffness (AUC, 0.68; 95% CI, 0.49-0.87; P = 0.067) or ELF (AUC, 0.57; 95% CI, 0.37-0.78; P = 0.502). cT1 measured at baseline was a significant predictor of future loss of biochemical remission (AUC, 0.68; 95% CI, 0.53-0.83; P = 0.042); neither liver stiffness (AUC, 0.53; 95% CI, 0.34-0.71; P = 0.749) nor ELF (AUC, 0.52; 95% CI, 0.33-0.70; P = 0.843) were significant predictors of loss of biochemical remission. Conclusion: Noninvasive mpMRI has potential to contribute to risk stratification in patients with AIH.
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Affiliation(s)
- Katherine Arndtz
- Centre for Liver and Gastrointestinal ResearchNational Institute for Health Research (NIHR) Birmingham Liver Biomedical Research CentreBirminghamUnited Kingdom.,University Hospitals Birmingham National Health Service (NHS) Foundation TrustBirminghamUnited Kingdom
| | | | - James Hodson
- University Hospitals Birmingham National Health Service (NHS) Foundation TrustBirminghamUnited Kingdom
| | - Peter J Eddowes
- Centre for Liver and Gastrointestinal ResearchNational Institute for Health Research (NIHR) Birmingham Liver Biomedical Research CentreBirminghamUnited Kingdom.,NIHR Nottingham Biomedical Research CentreNottingham University Hospitals NHS Trust and University of NottinghamNottinghamUnited Kingdom
| | | | | | | | | | | | | | - Gideon M Hirschfield
- Centre for Liver and Gastrointestinal ResearchNational Institute for Health Research (NIHR) Birmingham Liver Biomedical Research CentreBirminghamUnited Kingdom.,Toronto Centre for Liver DiseaseUniversity Health NetworkTorontoONCanada
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Arndtz K, Hirschfield GM. Quality of life and primary sclerosing cholangitis: The business of defining what counts. Hepatology 2018; 68:16-18. [PMID: 29315689 DOI: 10.1002/hep.29775] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Accepted: 12/24/2017] [Indexed: 12/07/2022]
Affiliation(s)
- Katherine Arndtz
- National Institute for Health Research Birmingham Biomedical Research Centre, Birmingham, UK.,Institute of Immunology & Immunotherapy, University of Birmingham, Birmingham, UK.,Centre for Rare Diseases, Institute of Translational Medicine, Birmingham Health Partners, University Hospitals Birmingham NHS Foundation Trust, Queen Elizabeth Hospital, Birmingham, UK
| | - Gideon M Hirschfield
- National Institute for Health Research Birmingham Biomedical Research Centre, Birmingham, UK.,Institute of Immunology & Immunotherapy, University of Birmingham, Birmingham, UK.,Centre for Rare Diseases, Institute of Translational Medicine, Birmingham Health Partners, University Hospitals Birmingham NHS Foundation Trust, Queen Elizabeth Hospital, Birmingham, UK
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Arndtz K, Hirschfield GM. Primary sclerosing cholangitis and the management of uncertainty and complexity. Frontline Gastroenterol 2017; 8:260-266. [PMID: 29067151 PMCID: PMC5641853 DOI: 10.1136/flgastro-2017-100815] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/18/2017] [Revised: 04/07/2017] [Accepted: 05/06/2017] [Indexed: 02/04/2023] Open
Abstract
Primary sclerosing cholangitis (PSC) is a rare chronic autoimmune disease with no effective therapy and a large unmet need for new treatments. Patients require significant healthcare resources over their lifetime with high rates of hospital admission, malignancy, liver transplantation and death. As a rare disease, expertise in management can be limited to large referral liver transplant programmes, and even then there is frequently variation in practice. In this case-based review, we aim to discuss common clinical dilemmas encountered by clinicians managing patients with PSC and address related competencies in the 2010 Gastroenterology Curriculum.
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Affiliation(s)
- Katherine Arndtz
- Centre for Liver Research, NIHR Birmingham Biomedical Research Centre, University of Birmingham, Birmingham, UK,Centre for Rare Diseases, Institute of Translational Medicine, Birmingham Health Partners, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
| | - Gideon M Hirschfield
- Centre for Liver Research, NIHR Birmingham Biomedical Research Centre, University of Birmingham, Birmingham, UK,Centre for Rare Diseases, Institute of Translational Medicine, Birmingham Health Partners, University Hospitals Birmingham NHS Foundation Trust, Birmingham, UK
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Arndtz K, Corrigan M, Rowe A, Kirkham A, Barton D, Fox RP, Llewellyn L, Athwal A, Wilkhu M, Chen YY, Weston C, Desai A, Adams DH, Hirschfield GM. Investigating the safety and activity of the use of BTT1023 (Timolumab), in the treatment of patients with primary sclerosing cholangitis (BUTEO): A single-arm, two-stage, open-label, multi-centre, phase II clinical trial protocol. BMJ Open 2017; 7:e015081. [PMID: 28674140 PMCID: PMC5734279 DOI: 10.1136/bmjopen-2016-015081] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/08/2016] [Revised: 03/29/2017] [Accepted: 05/17/2017] [Indexed: 12/16/2022] Open
Abstract
INTRODUCTION Primary sclerosing cholangitis (PSC) is a progressive inflammatory liver disease characterised by relentless liver fibrosis and a high unmet need for new therapies. Preventing fibrosis represents an important area of interest in the development of vital new drugs. Vascular adhesion protein-1 (VAP-1) drives inflammation in liver disease, and provision of an antibody against VAP-1 blunts fibrosis in murine models of liver injury. METHODS AND ANALYSIS BUTEO is a single-arm, two-stage, open-label, multi-centre, phase II clinical trial. Up to 59 patients will receive treatment with anti-VAP monoclonal antibody, BTT1023, over a 78-day treatment period. Adults with PSC and a serum alkaline phosphatase (ALP) of at least 1.5 times the upper limit of normal will be included. Our primary outcome measure is a reduction in ALP by >25% from baseline to Day 99. Secondary outcome measures include safety and tolerability, changes pre therapy/post therapy in circulating serum VAP-1 as well as imaging findings. The first patient participant was recruited on 08 September 2015. ETHICS AND DISSEMINATION This protocol has been approved by the Research Ethics Committee (REC, reference 14/EM/1272). The first REC approval date was 06 January 2015 with three subsequent approved amendments. This article refers to protocol V3.0, dated 16 March 2016. Results will be disseminated via peer-reviewed publication and presentation at international conferences. TRIAL REGISTRATION The trial is registered with the European Medicines agency (EudraCT: 2014-002393-37), the National Institute for Health Research (Portfolio ID: 18051) and ISRCTN: 11233255. The clinicaltrials.gov identifier is NCT02239211. Pre-results.
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Affiliation(s)
- Katherine Arndtz
- Centre for Rare Diseases, Institute of Translational Medicine, Birmingham Health Partners, University Hospitals Birmingham, Birmingham, UK
- NIHR Birmingham Biomedical Research Centre, Centre for Liver Research, University of Birmingham, Birmingham, UK
| | - Margaret Corrigan
- Centre for Rare Diseases, Institute of Translational Medicine, Birmingham Health Partners, University Hospitals Birmingham, Birmingham, UK
- NIHR Birmingham Biomedical Research Centre, Centre for Liver Research, University of Birmingham, Birmingham, UK
| | - Anna Rowe
- NIHR Birmingham Biomedical Research Centre, Clinical Trials Group (D3B Team), CRUK Clinical Trials Unit, University of Birmingham, Birmingham, UK
| | - Amanda Kirkham
- Department of Statistics, CRUK Clinical Trials Unit, University of Birmingham, Birmingham, UK
| | - Darren Barton
- NIHR Birmingham Biomedical Research Centre, Clinical Trials Group (D3B Team), CRUK Clinical Trials Unit, University of Birmingham, Birmingham, UK
| | - Richard P Fox
- Department of Statistics, CRUK Clinical Trials Unit, University of Birmingham, Birmingham, UK
| | - Laura Llewellyn
- Early Drug Development Team, CRUK Clinical Trials Unit, University of Birmingham, Birmingham, UK
| | - Amrita Athwal
- NIHR Birmingham Biomedical Research Centre, Clinical Trials Group (D3B Team), CRUK Clinical Trials Unit, University of Birmingham, Birmingham, UK
| | - Manpreet Wilkhu
- NIHR Birmingham Biomedical Research Centre, Clinical Trials Group (D3B Team), CRUK Clinical Trials Unit, University of Birmingham, Birmingham, UK
| | - Yung-Yi Chen
- Centre for Rare Diseases, Institute of Translational Medicine, Birmingham Health Partners, University Hospitals Birmingham, Birmingham, UK
- NIHR Birmingham Biomedical Research Centre, Centre for Liver Research, University of Birmingham, Birmingham, UK
| | - Chris Weston
- Centre for Rare Diseases, Institute of Translational Medicine, Birmingham Health Partners, University Hospitals Birmingham, Birmingham, UK
- NIHR Birmingham Biomedical Research Centre, Centre for Liver Research, University of Birmingham, Birmingham, UK
| | - Amisha Desai
- Pharmacy, University Hospitals Birmingham NHS Foundation Trust, Queen Elizabeth Hospital Birmingham, Birmingham, UK
| | - David H Adams
- Centre for Rare Diseases, Institute of Translational Medicine, Birmingham Health Partners, University Hospitals Birmingham, Birmingham, UK
- NIHR Birmingham Biomedical Research Centre, Centre for Liver Research, University of Birmingham, Birmingham, UK
| | - Gideon M Hirschfield
- Centre for Rare Diseases, Institute of Translational Medicine, Birmingham Health Partners, University Hospitals Birmingham, Birmingham, UK
- NIHR Birmingham Biomedical Research Centre, Centre for Liver Research, University of Birmingham, Birmingham, UK
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Abstract
BACKGROUND Autoimmune liver disease (AILD) encompasses 3 main distinct clinical diseases: autoimmune hepatitis, primary biliary cholangitis (formally known as cirrhosis, PBC) and primary sclerosing cholangitis (PSC). These conditions are an important, yet under-appreciated cause of patient morbidity and mortality with ongoing unmet needs for further research and clinical advances. KEY MESSAGES There is observational evidence for genetic predisposition, with all 3 conditions being more common in first degree relatives. AILD is associated with the presence of auto-antibodies and higher risks of other non-hepatic auto-immune conditions. Genetic risk association studies have identified HLA and non-HLA risk loci for the development of disease, with some HLA loci providing prognostic information. This re-enforces the concept that genetic predisposition to autoimmunity is important, likely in the context of environmental exposures. Such environmental triggers are unclear but relevant risks include smoking, drug and xenobiotic exposure as well as the complexities of the microbiome. There is evidence for a loss of immune tolerance to self-antigens playing a part in the development of these conditions. In particular the IL-2 and IL-12 regulatory pathways have been implicated in pre-disposing to an unopposed inflammatory response within the liver. Main immunological themes revolve around loss of immune tolerance leading to T-cell mediated injury, imbalance in the regulation of immune cells and defective immune response to foreign antigens. For PBC and PSC, there is then the added complexity of the consequences of cholestasis on hepato-biliary injury, immune regulation and liver fibrosis. CONCLUSIONS Whilst specific disease causes and triggers are still lacking, AILD arises on the background of collective genetic and environmental risk, leading to chronic and abnormal hepato-biliary immune responses. Effective and more rational therapy will ultimately be developed when the multiple pathways to liver injury are better understood.
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Affiliation(s)
- Katherine Arndtz
- Centre for Liver Research, NIHR Birmingham Liver Biomedical Research Unit, University of Birmingham, Birmingham, UK
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Arndtz K, Steed H, Hodson J, Manjunath S. The hidden endoscopic burden of sleeve gastrectomy and its comparison with Roux-en-Y gastric bypass. Ann Gastroenterol 2016; 29:44-9. [PMID: 26752949 PMCID: PMC4700846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
BACKGROUND This study aimed to assess the endoscopic burden of bariatric surgical procedures at our trust. This is an enhanced parallel study to "The Hidden Endoscopic burden of Roux-en-Y Gastric Bypass" published in Frontline Gastroenterology in 2013 incorporating the data for sleeve gastrectomy and comparison with Roux-en-Y gastric bypass (RYGB). METHODS This is a retrospective study that included 211 patients undergoing sleeve gastrectomy over a 34-month period. We utilized previously collected data for the RYGB patient cohort which included 553 patients over a 29-month period. We searched our hospital endoscopic database for patients who underwent post-operative endoscopy for indications related to their surgery. RESULTS 16.6% of the sleeve gastrectomy patients required post-operative endoscopy, of whom 11.4% underwent therapeutic procedures. This compares to 20.4% of the RYGB cohort of whom 50.4% needed therapeutic procedures (P<0.001). 1.9% of sleeve gastrectomy patients encountered a post-operative staple line leak and collectively required 29 endoscopic procedures. One patient also developed stricturing (0.47%) requiring 18 pneumatic dilatations. 11.4% of the RYGB cohort developed an anastomotic stricture requiring 57 balloon dilatation procedures. To date, these procedures have accumulated an equivalent cost of €159,898 in endoscopy tariffs, or €177 per RYGB and €373 per sleeve gastrectomy performed. CONCLUSIONS Bariatric surgery can have significant implications in terms of patient morbidity and financial cost. Having a local bariatric surgery service increases the demand for endoscopic procedures in our hospital, both in investigating for and dealing with post-operative complications. Provision of extra resources and expertise needs to be taken into account.
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Affiliation(s)
- Katherine Arndtz
- Gastroenterology Department, Walsall Manor Hospital (Katherine Arndtz, Srikantaiah Manjunath),
Correspondence to: Dr. Katherine Arndtz, c/o Institute for Biomedical Research, Medical School, University of Birmingham, Birmingham, B15 2TT, UK, Tel.: +44 7972 193 770, e-mail:
| | - Helen Steed
- Gastroenterology Department, New Cross Hospital (Helen Steed)
| | - James Hodson
- Gastroenterology Department, Statistics Department, University Hospital Birmingham (James Hodson), West Midlands, UK
| | - Srikantaiah Manjunath
- Gastroenterology Department, Walsall Manor Hospital (Katherine Arndtz, Srikantaiah Manjunath),Gastroenterology Department, Dunedin Hospital, Southern DHB, University of Otago, New Zealand (Srikantaiah Manjunath)
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