GI Insights

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...

Host: Peter Buch, MD, FACG, AGAF, FACP Guest: Vivek Kaul, MD The American Society for Gastrointestinal Endoscopy (ASGE) recently released a new guideline on when to use endoscopic submucosal dissection (ESD) and endoscopic mucosal resection (EMR) in managing early esophageal and gastric cancers. To learn more about when to use each approach, Dr. Peter Buch sits down with guideline co-author Dr. Vi...

Host: Peter Buch, MD, FACG, AGAF, FACP Guest: William Grady, MD While colorectal cancer is the second most common cause of cancer deaths, only a third of people between the ages of 45 and 75 are compliant with screening recommendations. However, cell-free DNA blood-based tests could become a new option for colorectal cancer screening. Dr. Peter Buch sits down with GI expert Dr. William Grady to di...

Host: Peter Buch, MD, FACG, AGAF, FACP Guest: David Liska, MD Since the 1990s, clinicians have been seeing a significant increase in colorectal cancer among young patients, who are under the age of 50. A multidisciplinary approach is key as diagnostic and treatment considerations are specific to their age. Dive in with Dr. Peter Buch as he’s joined by Dr. David Liska, Section Chief of Oncology in...

Host: Peter Buch, MD, FACG, AGAF, FACP Guest: Aasma Shaukat, MD, MPH Adenoma detection rate (ADR) may help us better detect our patients’ risk of developing colorectal cancer. To explore what we need to know about this quality indicator, Dr. Peter Buch joins Dr. Aasma Shaukat from the New York University Grossman School of Medicine to talk about ADR.

Host: Neilanjan Nandi, MD Guest: Samir Shah, MD From new guideline recommendations to a concert featuring the American College of Gastroenterology’s official band, a lot is being done to help raise awareness of the importance of screening for colorectal cancer. So how can you help increase screening rates in your own community? Get inspired with these creative initiatives shared by Dr. Neil Nandi...

Host: Peter Buch, MD, FACG, AGAF, FACP Guest: Aasma Shaukat, MD, MPH Screening for colorectal cancer is unique because there are several screening options available. So how can we balance the latest ACG Clinical Guidelines with patient preferences, cultural context, and insurance coverage to find the best screening option for our patients? Joining Dr. Peter Buch to discuss the updated recommendati...

Host: Neilanjan Nandi, MD Guest: Folasade P. May, MD, PhD, MPhil Racial and ethnic bias prevent patients with colorectal cancer from receiving the highest quality of care. Dr. Neil Nandi is joined by Dr. Fola May, Assistant Professor of Medicine at UCLA, to discuss racial inequalities in access to care and screening for patients with colorectal cancer.

Host: Peter Buch, MD, FACG, AGAF, FACP Guest: David P. Hudesman, MD Ulcerative colitis treatment continues to evolve with a growing range of targeted therapies, from S1P modulators to JAK inhibitors. Joining Dr. Peter Buch to discuss how clinicians can personalize care based on disease severity, safety profiles, and patient response is Dr. David Hudesman. He's a Professor in the Department of Medi...

Host: Peter Buch, MD, FACG, AGAF, FACP Guest: Aasma Shaukat, MD, MPH Blood-based colorectal cancer screening is entering a new era with FDA-approved and emerging tests like Shield and Simple Screen. Alongside updated stool-based options such as Cologuard Plus and CRC-PREVENT, clinicians now have a broader landscape of noninvasive tools to consider and discuss with their patients. Joining Dr. Peter...

Host: Peter Buch, MD, FACG, AGAF, FACP Guest: Paul Adams, MD Hemochromatosis, a genetic condition that causes the body to absorb too much iron from food, often goes unrecognized despite its prevalance. With unique diagnostic and management challenges, it's crucial to understand how it presents, which testing strategies are most effective, and what treatment options are available. Tune in to hear D...

Host: Peter Buch, MD, FACG, AGAF, FACP Guest: Charles Kahi, MD Computer-aided detection systems (CADe) are transforming adenoma detection and enhancing colonoscopy quality. Dr. Peter Buch sits down with Dr. Charles Kahi to unpack the latest American Gastroenterological Association (AGA) guideline, evidence from randomized controlled trials, and the practical implications of integrating AI tools in...

Host: Peter Buch, MD, FACG, AGAF, FACP Guest: Alexa Weingarden, MD PhD Probiotic use in gastroenterology remains a complex and evolving topic, shaped by variable evidence and growing patient demand. Dr. Peter Buch sits down with Dr. Alexa Weingarden to review current data, discuss distinctions between probiotic-related therapies, and explore the clinical utility of microbiome testing. Dr. Weingard...

Host: Peter Buch, MD, FACG, AGAF, FACP Guest: David Levinthal, MD, PhD Cyclic vomiting syndrome (CVS) is often underdiagnosed in adults due to its episodic nature and symptom overlap with other conditions. Dr. David Levinthal joins Dr. Peter Buch to explore key diagnostic criteria, key differences between CVS and cannabinoid hyperemesis syndrome (CHS), and evidence-based treatment strategies. Dr....

Host: Peter Buch, MD, FACG, AGAF, FACP Guest: Yinghong Wang, MD, PhD, MS Immune checkpoint inhibitor (ICI) colitis comes with unique diagnostic and treatment challenges, which means that recognizing and managing it effectively is key to the best outcomes. Joining Dr. Peter Buch to share her insights on caring for patients with this complex condition is Dr. Yinghong Wang. Dr. Wang is a Professor in...

Host: Peter Buch, MD, FACG, AGAF, FACP Guest: Nabil Mansour, MD Artificial intelligence, simulation platforms, augmented reality, and other technological innovations are transforming our approach to GI training. In this expert-led discussion, Dr. Peter Buch sits down with Dr. Nabil Mansour to discuss how we can integrate cutting-edge tools into colonoscopy training while preserving core competenci...

Host: Peter Buch, MD, FACG, AGAF, FACP Guest: Paul Kwo, MD While sometimes overlooked, minimally elevated liver tests may signal early liver disease or non-hepatic conditions like thyroid dysfunction. As a result, interpreting ALT and AST thresholds, assessing metabolic risk, and reviewing lifestyle factors can help shape a focused diagnostic approach and reduce liver-related complications. Joinin...

Guest: Thomas DeLoughery, MD Host: Peter Buch, MD, FACG, AGAF, FACP Iron deficiency anemia is common in gastroenterology patients and is often underrecognized or suboptimally managed. That's why targeted treatment is essential to improve patient outcomes. In this expert-led discussion, Dr. Peter Buch and Dr. Thomas DeLoughery outline what gastroenterologists need to know about oral vs IV iron, abs...

Guest: Francis Farraye, MD Host: Peter Buch, MD, FACG, AGAF, FACP A 2025 update to the American College of Gastroenterology (ACG)'s guideline on preventive care in inflammatory bowel disease (IBD) includes key changes impacting vaccine recommendations, dermatologic screening, and care coordination. Dr. Peter Buch sits down with Dr. Francis Farraye, lead author of this guideline, to highlight what...

Host: Peter Buch, MD, FACG, AGAF, FACP Guest: Iris Wang, M.D. From symptom trackers to multidisciplinary app-based platforms, evidence-based digital therapeutics are expanding access to brain-gut behavioral care for patients with irritable bowel syndrome (IBS) and inflammatory bowel disease (IBD). Dr. Peter Buch sits down with Dr. Iris Wang to discuss the spectrum of available tools and explore st...

Host: Peter Buch, MD, FACG, AGAF, FACP Guest: Neena Abraham, MD, MS Knowing how to manage anticoagulants and antithrombotics during acute GI bleeding is essential in preventing avoidable complications, including thromboembolism and delayed hemostasis. Dr. Peter Buch sits down with Dr. Neena Abraham to discuss the latest recommendations from major GI and cardiology societies and explore practical s...

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 ke...

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...

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 di...

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 perm...