Dr Shitara is a Chief of Department of Gastrointestinal Oncology, National Cancer Center Hospital East, Kashiwa in Japan. He received his medical degree from Tohoku University School of Medicine in 2002.
Kohei Shitara is an active member of ASCO and ESMO. He is also a member of the Japanese Society of Internal Medicine, the Japanese Society of Medical Oncology (JSMO), the Japanese Society of Clinical Oncology (JSCO), the Japanese Gastric Cancer Association, Protocol Review Committee of Japanese Clinical Oncology Group (JCOG) and the West Japanese Oncology Group (WJOG). He also acts as one of the organising members for Japanese gastric cancer treatment guidelines.
His main research interests include the development of new anti-cancer agents, optimal chemotherapy regimens for gastrointestinal cancer, and translational research. Kohei Shitara is the primary investigator or study coordinator of several sponsor-initiated trials or investigator-initiated trials for gastric or colorectal cancer and acts as a steering committee member of five global studies in the field of GI cancers. He is also a study coordinator of the Nationwide Cancer Genome Screening Projects for Gastrointestinal Cancer in Japan (SCRUM-Japan GI-SCREEN).
Dr Shitara has contributed to 120 peer review publications, which include approximately 80 articles as first author or corresponding author in these fields.