About the Author
About the Author
Sung Hoon Jung, MD, PhD
Professor of Gastroenterology | Inflammatory Bowel Disease Specialist | Medical Researcher
Dr. Sung Hoon Jung is a professor of gastroenterology at Eunpyeong St. Mary's Hospital, College of Medicine, The Catholic University of Korea. His clinical and academic work focuses on inflammatory bowel disease, lower gastrointestinal endoscopy, real-world clinical outcomes, and evidence-based healthcare.
Dr. Jung created GutVerity to make reliable medical evidence clearer and more useful in everyday life.
Learn why GutVerity exists →Areas of Expertise
Current Professional Roles
Eunpyeong St. Mary's Hospital, College of Medicine, The Catholic University of Korea
Eunpyeong St. Mary's Hospital
Health Insurance Review and Assessment Service, Republic of Korea (2019-present)
National Evidence-based Healthcare Collaborating Agency, Republic of Korea (2019-present)
Korean Society of Gastrointestinal Endoscopy
Education and Training
- PhD, The Catholic University of Korea, 2014
- Master's degree, The Catholic University of Korea, 2009
- Board certification in Internal Medicine, 2005
- Medical degree, Pusan National University, 2000
Research Focus
Dr. Jung's research examines the effectiveness and safety of treatments for Crohn's disease and ulcerative colitis, including biologic and small-molecule therapies. His work also uses nationwide healthcare databases to study treatment outcomes, complications, healthcare utilization, and endoscopic practice in real-world settings.
Selected Publications
- Long-Term Safety of Tofacitinib for Treatment of Moderate-to-Severe Ulcerative Colitis: Three Years of Korean National Data. Journal of Korean Medical Science. 2025.
- Optimizing Infliximab Use in Real-World Inflammatory Bowel Disease: Insights from a Population Pharmacokinetic Model Integrating Intravenous and Subcutaneous Formulations. Gut and Liver. 2025.
- Nationwide Study on the Clinical Impact of Early Tumor Necrosis Factor-alpha Inhibitors Following First Intestinal Resection in Biologics-Naive Crohn's Disease Patients. Scientific Reports. 2025.
- Incidence of Invasive Fungal Diseases in Inflammatory Bowel Disease Patients: A Nationwide Study in South Korea. Mycoses. 2024.
- The Prevalence and Risk Factors of Clostridioides difficile Infection in Inflammatory Bowel Disease: A 10-Year South Korean Experience Based on the National Database. Journal of Korean Medical Science. 2023.
- Usage Trends of Colorectal Endoscopic Submucosal Dissection According to Hospital Types Based on Nationwide Claims Data. Medicine. 2023.
- Korean Clinical Practice Guidelines on Biologics for Moderate to Severe Crohn's Disease. Intestinal Research. 2022.
- Reliability and Validity of the Korean Version of the Crohn's and Ulcerative Colitis Questionnaire-8. BioMed Research International. 2022.