Navigating Gastrointestinal Impacts of GLP-1 Receptor Agonists

Host: Peter Buch, MD, FACG, AGAF, FACP Guest: Michael Camilleri, MD GLP-1 receptor agonists are revolutionizing treatment for diabetes and obesity, but their impact on the gastrointestinal tract demands careful clinical attention. Dr. Peter Buch is joined by Dr. Michael Camilleri, Professor of Medicine at the Mayo Foundation for Medical Education and Research in Rochester, Minnesota, to discuss key findings on gastrointestinal side effects, procedural risks, and the impacts of GLP-1 receptor agonists on the fields of gastroenterology and hepatology.

Host: Peter Buch, MD, FACG, AGAF, FACP Guest: Ashwani K. Singal MD, MS, FACG, FAASLD, AGAF Sarcopenia and poor nutrition are often silent threats in chronic liver disease, yet they drastically impact outcomes. Joining Dr. Peter Buch to discuss strategies for recognizing and addressing malnutrition early to improve long-term liver health is Dr. Ashwani Singal. Dr. Singal is a Professor of Medicine at the University of Louisville School of Medicine.

Host: Peter Buch, MD, FACG, AGAF, FACP Guest: David Fudman, MD As the advanced treatment landscape for inflammatory bowel disease continues to expand, selecting the right therapies has become more complex, with efficacy, safety, patient preferences, disease phenotypes, and more as factors to consider. Learn how to effectively navigate these therapeutic options for ulcerative colitis and Crohn’s disease with Dr. Peter Buch and Dr. David Fudman, Assistant Professor and Director of Inflammatory Bowel Disease Clinics at the University of Texas Southwestern Medical Center.

Host: Peter Buch, MD, FACG, AGAF, FACP Guest: David Fudman, MD As the advanced treatment landscape for irritable bowel disease continues to expand, selecting the right therapies has become more complex, with efficacy, safety, patient preferences, disease phenotypes, and more as factors to consider. Learn how to effectively navigate these therapeutic options for ulcerative colitis and Crohn’s disease with Dr. Peter Buch and Dr. David Fudman, Assistant Professor and Director of Inflammatory Bowel Disease Clinics at the University of Texas Southwestern Medical Center.

Host: Peter Buch, MD, FACG, AGAF, FACP Guest: Stefan Holubar, MD, MS When are ostomies necessary in patients with inflammatory bowel disease? Join Dr. Peter Buch and Dr. Stefan Holubar, Director of Research at the IBD Surgery Section at the Cleveland Clinic, as they explore key surgical considerations for both ulcerative colitis and Crohn’s disease, including when to consider temporary versus permanent ileostomies, how to manage complications like anastomotic leaks, and what factors influence the decision to delay or avoid ileal pouch creation.

Host: Peter Buch, MD, FACG, AGAF, FACP Guest: Mark Benson, MD Colonic perforations during colonoscopy are rare, but when they occur, taking swift and informed action is critical, particularly to avoid surgical intervention. Joining Dr. Peter Buch to offer his insights on perforation prevention, risk-reduction techniques, and repair strategies is Dr. Mark Benson, an advanced endoscopist and Associate Professor in the Division of Gastroenterology and Hepatology at the University of Wisconsin School of Medicine.

Host: Peter Buch, MD, FACG, AGAF, FACP Guest: J. Andy Tau, MD Topical hemostatic agents play a key role in managing complex bleeding cases, but there’s a lot to keep in mind when selecting which agent to use, like their mechanism and efficacy. Joining Dr. Peter Buch to share top considerations and best practices for using topical hemostatic agents is Dr. J Andy Tau, a board-certified gastroenterologist at Austin Gastroenterology in Texas.

Host: Peter Buch, MD, FACG, AGAF, FACP Guest: Aasma Shaukat, MD, MPH While fecal immunochemical testing and multitarget stool DNA testing are commonly used to screen for colon cancer, screening rates remain low throughout the United States. With the introduction of blood-based testing modalities, noninvasive colon cancer screening is becoming more accessible than ever. Join host Dr. Peter Buch and Dr. Aasma Shaukat as they discuss the effectiveness of current and emerging methods as well as best practices for screening patients. Dr. Shaukat is the Robert M. and Mary H. Glickman Professor of Medicine at the NYU Grossman School of Medicine and the Co-Director of Translational Research, Education, and Careers and the Director of Outcomes Research in the Division of Gastroenterology and Hepatology at NYU.

Guest: Shalini Prasad, PhD Guest: Sriram Muthukumar, PhD Host: Charles Turck, PharmD, BCPS, BCCCP With the constant ups and downs of inflammatory bowel disease (IBD), consistent monitoring can help provide patient-centric care. Dr. Shalini Prasad and Dr. Sriram Muthukumar, co-founders of EnLiSense, join GI Insights to discuss the wearable device they developed to track inflammation markers in IBD patients. Dr. Prasad is the Head of the Department of Bioengineering at the University of Texas at Dallas, and Dr. Muthukumar is the CEO of EnLiSense.

Guest: Elisa K. Boden, MD For many patients with Crohn’s disease, surgery is necessary due to complications like strictures and fistulas. Dr. Elisa Boden explores risk factors and potential complications, which she spoke about at the 2025 Crohn’s and Colitis Congress. Dr. Boden is an Associate Professor of Medicine in the Division of Gastroenterology and Hepatology at Oregon Health and Science University.