Gastroenterology Fellowship Research
The Division of Gastroenterology faculty and fellows annually maintain a wealth of scholarly activity, contributing a wealth of scientific knowledge and clinically significant results to their disciplines. Our division places a high priority on sharing their findings with the scientific community at large. Please find below a representative sample of recent Division publications.
Desai, A., Khataniar, H., Habib, H., Hashash, JG., Farraye, FA., Long, M., Regueiro, M., Kochhar, GS. Increased osteoporosis burden and comparative anti-resorptive effectiveness in inflammatory bowel disease: A real-world cohort study. Osteoporos Int. April 2026
Desai, A., Habib, H., Khataniar, H., Farraye, FA., Sehgal, P., Barnes, EL., Kochhar, GS., Hashash, JG. Real World Outcomes of Glucagon-Like Peptide-1 Receptor Agonist Therapy in Obese Patients with Ulcerative Colitis and IPAA with a History of Pouchitis. Inflamm Bowel Dis. 32(5):869-874
Karna, R., Babich, M. Fecal microbiota transplantation in liver diseases: Current evidence and future directions. Clinical liver disease. June 2024; 23(1):
Mohy-ud-din, N., Babich, M. The Role of Palliative Care in the Management of Hepatocellular Carcinoma. Clinics in Liver Disease. February 2025; 29(1): 149-156.
Karna, R., Hans, B., Nasereddin, T., Chaudhary, D., Dhawan, M. Comparison of mechanical and thermal in upper gastrointestinal bleeding; an analysis of efficacy outcomes. Proceedings (Baylor University Medical Center). July 2024; 37(5):1-8
Karna, R., Grover, D., Dhawan, M. et. al. Gastrointestinal Treatment-Related Adverse Events of Combined Immune Checkpoint Inhibitor: A Meta-Analysis. Immunotherapy. May 2023; 15(10): 773-786
Karna, R., Jagdish, B., Mohy-ud-din, N., Kulkarni, A. Iliac Artery-Inferior Vena Cava-Duodenal Fistula: An Unusual Cause of Massive Gastrointestinal Bleeding. ACG Case Reports Journal. August 2023; 10(9)
Desai, A., Kochhar, GS., Khataniar, H., Hashash, JG, Farraye, F. Risk of Incident Immune-Mediated Inflammatory Diseases with Second Tumor Necrosis Factor Inhibitor Versus Alternative Biologic Therapy in Patients with Inflammatory Bowel Disease and First TNFi Exposure: A Real-World Cohort Study. Dig Dis Sci. December 2025;
Singh, S., Desai, A., Goodwin, S., Jairath, V., Kocchar, GS. Trends in Utilization of Advanced Therapies in Patients with Inflammatory Bowel Diseases in the USA, 2021-2025. Journal of Crohn’s and Colitis. October 2025; 19(10):jjaf186
Awuah, KF., Onwuzo, S., Gadani, Akash et. al. Reevaluating the role of routine colonoscopy after acute diverticulitis: impact in colon cancer and advanced adenoma detection across age groups. Proceedings (Baylor University Medical Center). March 2026; 1-5
Butt, M., Bloom, H., Mohy-ud-din, N et. al. Association of Hemostatic Blood Product Transfusion with Clinical Outcomes in Esophageal Variceal Bleeding. Journal of Clinical and Experimental Hepatology. February 2026; 16(3)
Amari, H., Mohy-ud-din, N et. al. Carvedilol versus Propranolol in Preventing Decompensation in Patients with Compensated Cirrhosis: A Real-World Propensity-Matched Cohort Study. JGLD. December 2025; 34(4): 474-480.
Bayoumy, A., Clarke, L., Deepak, P., Desai, A., Sehgal, P., Gorelik, Y et. al. Glucagon-Like Peptide 1 Receptor Agonists (GLP-1RA) and the Clinical Outcomes of Inflammatory Bowel Disease (IBD): A Systematic Review and Meta-analysis. Journal of Crohn’s and Colitis. October 2025; 19(10):jjaf181
Desai, A., Khataniar, H., Hashash, J., Farraye, F., Kochhar, GS. Epidemiology of Metabolic Syndrome in Patients with Inflammatory Bowel Disease. Ann Gastroenterol. October 2025; 38(6):618-628
Kochhar, GS., Khataniar, H., Hashash, J., Farraye, F., Desai, A. Epidemiology, risk factors and natural history of eosinophilic esophagitis in patients with inflammatory bowel disease: a population-based cohort study from the United States. Annals of Gastroenterology. Ann Gastroenterol. September 2025; 38(6):610-617
Desai, A., Khataniar, H., Tabaku, F., Hashash, JG., Farraye, FA., Kochhar, GS. Efficacy of Tirzepatide for weight loss and it’s comparative effectiveness to weight loss surgery in inflammatory bowel disease. Indian J Gastroenterol. July 2025.
Kochhar, GS., Khatanira, H., Hashash, JG., Regueiro, M., Farraye, FA., Desai, A. Natural History, Treatment Persistence and Predictors of Treatment in Patients With Ulcerative Colitis: A US Population-Level Cohort Study. Inflamm Bowel Dis. June 2025;izaf129
Desai, A., Sehgal, S., Khataniar, H., Lewis, JD., Farraye, FA., Lichtenstein, GR., Kochhar, GS. Obesity Is Associated With Worsened Outcomes in Patients With Ulcerative Colitis on Advanced Therapies: A Propensity Matched Cohort Study From the U.S. Aliment Pharmacol Ther. January 2025; 61(7):1197-1207
Kochhar, GS., Khataniar, H., Hashash, JG., Tabaku, F., Regueiro, M., Farraye, FA., Desai, A. Comparative Effectiveness of Ozanimod and Vedolizumab as First-Line Advanced Therapies in Ulcerative Colitis: A Propensity-Matched Cohort Analysis. Inflamm Bowel Dis. October 2024:izae251