Professional Specialty • Consultant Gastroenterologist Research Interests Prof. Abdullah interested in research on colorectal cancer, inflammatory bowel disease and GI Functional disorder. Research conducted by Prof Abdullah in the last 5 years are listed below : • Diet and inflammatory bowel disease: The Asian Working Group guidelines • Best practices on immunomodulators and biologic agents for ulcerative colitis and Crohn's disease in Asia • Factors associated with health-related quality of life in patients with functional dyspepsia • The effect of Annona muricata leaf extract in nutrition status and cytotoxicity in colorectal cancer: a randomized controlled trial • Novel modality of non-invasive colorectal cancer screening: combination of faecal cyclooxygenase 2 (COX 2) mRNA, carcinoembryonic antigen (CEA), and faecal immunochemical test (FIT) • Antiproliferative activity and caspase enhancement properties of Annona muricata leaves extract against colorectal cancer • Incidence and phenotype of inflammatory bowel disease from 2012-2013 across 9 countries in Asia: results from the 2012 access inception cohort • Environmental risk factors in inflammatory bowel disease: a population-based case-control study in Asia-Pacific Educational Background • Medical Doctor, Faculty of Medicine Universitas Indonesia, 1988 • Internist, Faculty of Medicine Universitas Indonesia, 1997 • Research Student, Yamanashi Medical University , Japan, 2000-2001 • Gastroenterology Consultant, Faculty of Medicine Universitas Indonesia, 2004 • Doctoral Degree in Clinical Epidemiology, Faculty of Public Health Universitas Indonesia, 2009 • Professor of Medicine, 2017