Two guys talking **it - A Gastroenterology and Hepatology podcast

• #10: A/Prof Gianluca Ianiro and Dr Benjamin Mullish - The gut microbiome in health and disease

  Today we’re talking bugs, bowels, and breakthroughs with A/Prof Gianluca Ianiro and Dr. Ben Mullish, two microbiome maestros who make poo science strangely fascinating.A/Prof Gianluca Ianiro is an Associate Professor of Gastroenterology at the Università Cattolica del Sacro Cuore in Rome and a Consultant at the Gastroenterology Unit of the Fondazione Policlinico Universitario Agostino Gemelli IRCCS. His clinical and research interests center on the gut microbiota, with a particular emphasis on fecal microbiota transplantation (FMT) and its applications in gastrointestinal disorders such as Clostridioides difficile infection and irritable bowel syndrome. Recognized as a leading expert in his field, Professor Ianiro has contributed extensively to international consensus guidelines and has been acknowledged for his work with the United European Gastroenterology Rising Star award. He also leads the Microbiome Clinic at Gemelli, translating cutting-edge microbiome research into clinical practice. Dr. Benjamin Mullish is a Senior Clinical Research Fellow in the Division of Digestive Diseases at Imperial College London and an Honorary Consultant in Hepatology and Gastroenterology at St Mary’s Hospital, part of the Imperial College Healthcare NHS Trust. He is also an IPPRF Research Fellow within the Department of Metabolism, Digestion and Reproduction at Imperial College. His research focuses on the gut microbiome and faecal microbiota transplantation (FMT), particularly in the context of liver disease and gastrointestinal infections.This conversation delves into the complexities of the microbiome, particularly the gut microbiome, and its significant role in health and disease. We discuss the dynamic nature of the microbiome, the challenges in microbiome research, and the potential for microbiome-based therapeutics. They also explore the roles of prebiotics and probiotics, the future of microbiome diagnostics, and the potential future concept for specialised microbiome clinicians to bridge the gap between research and clinical practice.As always comments, questions and feedback please send to: X: @2guystalkingitEmail: [email protected]:20 J + J Introduction05:11 Introduction to the Microbiome  07:16 Understanding the Gut Microbiome  10:04 The Dynamic Nature of the Microbiome  13:21 Factors Influencing the Gut Microbiome  16:15 Clinical Relevance of Stool Microbiome  19:24 Microbiome and Disease: Cancer and Liver Health  22:12 Microbiome in Inflammatory Bowel Disease (IBD) and Metabolism  25:20 Future Directions in Microbiome Research  35:20 The Uncertainty of Microbial Therapeutics  37:10 The Future of Microbiome Research  42:41 Understanding Prebiotics and Probiotics  56:49 The Need for Microbiome Clinician specialists

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• #09: A/Professor Emma Halmos & Dr CK Yao - Food is Medicine.. or is it?

  Today we welcome two world-leading dietitians to talk all things diet in IBD and IBS....A/Prof Emma Halmos is a senior research dietitian at Monash University and the Alfred Hospital. Her scientific achievements have had a major impact in clinical practice nationally and internationally. The most notable was the pivotal feeding study that demonstrated the low FODMAP diet was efficacious in patients with IBS. A/Prof Halmos has been elected onto the D-ECCO (Dietitians of European Crohn’s and Colitis Organisation) committee and is a leading coordinator for the first ECCO guidelines on nutrition in IBD. Her current role at Monash University is leading research on novel dietary therapy to treat IBD and IBS.Dr CK Yao is a senior research dietitian at Monash University and the Alfred Hospital, and recent NHMRC emerging leader. In 2017, CK completed her PhD investigating dietary manipulation of gut microbial function and the application of gaseous biomarkers in patients with functional and inflammatory bowel disease. Dr Yao currently leads a research programme looking at optimising dietary strategies for patients with ulcerative colitis and those with an ileoanal pouch.We discuss the critical role of diet in managing inflammatory bowel disease (IBD), particularly Crohn's disease and ulcerative colitis. We explore various dietary patterns, the impact of emulsifiers and ultra-processed foods, and the importance of personalized dietary advice. We talk about the significance of dietitians in guiding patients towards healthier choices. This conversation delves into the complexities of dietary recommendations for various gastrointestinal conditions, particularly focusing on the Mediterranean diet, Crohn's disease, and IBS. We discuss cultural influences on diet, the importance of personalized nutrition, and the emerging trends in dietary therapy. Finally we touch on the new ECCO Diet in IBD guideline that is set to be published soon.As always comments, questions and feedback please send to: X: @2guystalkingitEmail: [email protected]:00 Introduction with J & J4:20 On to our guests... Diet and IBD05:50 Dietary Patterns for Disease Prevention08:53 Therapeutic Diets and Active IBD11:58 Controversies in Dietary Recommendations15:02 The Impact of Emulsifiers and Ultra-Processed Foods18:07 Practical Dietary Advice for Patients in IBD21:02 Cultural Considerations in Dietary Recommendations23:57 Food as Medicine: A Discussion27:03 Exploring Diverse Dietary Patterns30:13 Conclusion and Future Directions32:26 Cultural Influences on Diet and Health34:40 Dietary Recommendations for active Crohn's Disease37:22 Understanding Pouch Patients38:11 Initial Assessment for IBS Patients44:25 Screening for ARFID48:03 Emerging Dietary Trends in IBS51:40 New Guidelines in IBD NutritionPapers discussedFitzpatrick JA, Gibson PR, Taylor KM, Anderson EJ, Friedman AB, Ardalan ZS, Smith RL, Halmos EP. Clinical Trial: The Effects of Emulsifiers in the Food Supply on Disease Activity in Crohn's Disease: An Exploratory Double-Blinded Randomised Feeding Trial. Aliment Pharmacol Ther. 2025 Apr;61(8):1276-1289.  https://pubmed.ncbi.nlm.nih.gov/39967287/Fitzpatrick JA, Gibson PR, Taylor KM, Halmos EP. Development of Novel High and Low Emulsifier Diets Based upon Emulsifier Distribution in the Australian Food Supply for Intervention Studies in Crohn's Disease. Nutrients. 2024 Jun 18;16(12):1922. . https://pubmed.ncbi.nlm.nih.gov/38931276/Halmos EP, Gibson PR. Controversies and reality of the FODMAP diet for patients with irritable bowel syndrome. J Gastroenterol Hepatol. 2019 Jul;34(7):1134-1142. https://pubmed.ncbi.nlm.nih.gov/30945376/A FODMAP Gentle approach: https://www.monashfodmap.com/blog/gentle-fodmap-diet/The SCOFF Questionnaire: https://ceed.org.au/wp-content/uploads/2024/05/SCOFF.pdf

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• #08: Professor Gideon Hirschfield - The Art and Science of PSC and Autoimmune Hepatitis

  SummaryDr Gideon Hirschfield is a leading expert in autoimmune liver diseases, including PSC, PBC, and autoimmune hepatitis. He’s helped shape how these conditions are understood and managed around the world, combining cutting-edge research with a real passion for patient care. Today he discusses his work with autoimmune liver diseases, particularly primary sclerosing cholangitis (PSC) and autoimmune hepatitis. We discuss some key topics in PSC (including use of Ursodeoxycholic acid, cancer surveillance as well as the PSC/IBD phenotype), and Professor Hirschfield gives us a masterclass in the management of autoimmune hepatitis. He also offers advice for new hepatologists, highlighting the significance of clear diagnoses, individualized patient management, and clinical trials to drive us into the future.As always comments, questions and feedback please send to: X: @2guystalkingitEmail: [email protected]:30 J & J Introduction06:15 Introduction to Professor Hirschfield and Autoimmune Liver Diseases07:41 The Role of Ursodeoxycholic Acid in PSC Management19:06 Understanding the Pathophysiology of PSC22:43 Cancer Surveillance in PSC Patients28:39 The Relationship Between PSC and Inflammatory Bowel Disease32:30 Vancomycin and PSC36:28 Management Strategies for PSC and IBD Patients including Pouches40:00 Management of Autoimmune Hepatitis: An Art and Science56:30 Proactive Approaches in Primary Biliary Cholangitis (PBC) Management1:01:05 Advice for Aspiring HepatologistsKeywordsHepatology, Autoimmune Liver Disease, PSC, Ursodeoxycholic Acid, Cancer Surveillance, Inflammatory Bowel Disease, Clinical Trials, Patient Care, Liver Transplantation, PSC Management, pouch studies, autoimmune hepatitis, management, PBC, hepatology, patient choices, liver transplant, treatment options, chronic diseases, clinical trials

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• #07: Dr Simon Gabe - Rebuilding the gut: Intestinal rehabilitation

  This is a really special episode with an incredible doctor (Jon says "the best clinician I have ever met"). Today we welcome Dr Simon Gabe, an internationally renowned expert in intestinal rehabilitation. Dr Simon Gabe is a consultant in gastroenterology & intestinal rehabilitation at St Mark’s Hospital and chair of the NHS National Reference Centre for Severe Intestinal Failure at St Mark’s. This is also an Integrated Care centre for intestinal failure and a recognised ESPEN Training Centre.  He has a wide clinical experience in dealing with complex nutritional problems, inflammatory bowel disease, fistula management, intestinal failure requiring enteral or parenteral support, home parenteral nutrition and consideration of intestinal transplantation.  Dr Gabe is a past President of BAPEN. He co-founded the National Adult Small Intestinal Transplant (NASIT) Forum in the UK and has been an active member of a Clinical Reference Group within NHS England responsible for the development of a clinical network in England for all patients with Intestinal Failure (HIFNET). He currently co-chairs the HPN Clinical Advice and Management Group for NHS England.As always comments, questions and feedback please send to: X: @2guystalkingit Email: [email protected]:15 Introduction to Simon Gabe  06:59 Understanding Intestinal Rehabilitation  09:56 Defining Intestinal Failure  13:29 Trends in Intestinal Failure Causes  16:23 Bowel Length and Nutritional Support  20:26 Managing Short Bowel Syndrome  26:06 Barriers to Recognizing Intestinal Failure  30:37 Patient Evaluation Process for Intestinal Failure  33:07 Empowering Patients in Line Management  36:21 Managing Line Sepsis: Best Practices  43:17 Understanding Ehlers-Danlos Syndrome (EDS) and Nutrition  50:14 Nutritional Support in Cancer Patients  54:18 Enteral Support in Dementia Patients  57:15 Addressing Intestinal Ischemia: A Call to Action  KeywordsIntestinal rehabilitation, intestinal failure, nutrition, gastroenterology, patient care, bowel length, short bowel syndrome, nutritional support, clinical practice, healthcare, line management, line sepsis, Ehlers-Danlos Syndrome, nutritional support, cancer patients, dementia, intestinal ischemia, patient empowerment, multidisciplinary team, intravenous nutrition

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• #06: ECCO Takeaways with Dr Beatriz Gros

  Jon and James welcome Dr Beatriz Gros, a leading expert in inflammatory bowel disease (IBD). They discuss key findings from the recent European Crohn's and Colitis Conference in 2025. Dr. Beatriz Gros (X: @bealoquebea Instagram: @dr.beatrizgros) is a consultant gastroenterologist based in Córdoba, Spain, specializing in inflammatory bowel disease (IBD). She serves as a Consultant Gastroenterologist at Reina Sofía University Hospital in Córdoba and has also worked as a Senior Clinical Fellow at the Western General Hospital in Edinburgh, UK. Dr. Gros has a particular interest in environmental factors associated with the development of IBD and predictors for disease flares, contributing to studies like the PREdiCCt study. She actively engages in medical education through social media platforms such as Instagram and Twitter, and is the creator of the educational website www.ibd-eii.com, which offers summaries of over 140 clinical trials and relevant IBD studies. Dr. Gros’ dedication to advancing IBD research and education has made her a respected figure in the gastroenterology community.As always comments, questions and feedback please send to: X: @2guystalkingit Email: [email protected]:32 Introduction and Guest Introduction05:30 Reflections on the ECCO Conference08:10 Systemic antibody response predicting onset of IBD13:12 Predicting Disease Onset and Flare Factors13:45 The PREDICT Study and Its Implications21:44 Dietary Insights and the Mediterranean Diet23:30 The ADAPT Study on Emulsifiers and IBD30:00 General dietary recommendations in IBD33:48 Fiber consumption and Crohn's Disease development39:40 The Role of Plant-Based Diets in IBD43:18 Environmental factors in association with IBD45:53 Understanding Environmental Factors in IBD47:25 Linking IBD and Neurodegenerative Diseases and Vedolizumab54:32 Proactive Monitoring in Ulcerative ColitisKeywordsIBD, ECCO Conference, Bea Gros, PREDICT Study, Mediterranean Diet, Emulsifiers, Disease Prediction, Patient Care, Dietary Studies, Holistic Health, Crohn's Disease, Ulcerative Colitis, plant-based, fiber, environmental factors, probiotics, nutrition

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