Committee

Standing Committee	Chair	Role
Executive Committee	Yuichiro Ohe	Determine JCOG policies Approve/disapprove protocol concepts
Protocol Review Committee	Kaoru Kubota	Review protocol concepts Review and approve study protocols
Data and Safety Monitoring Committee	Hiroaki Okamoto	Monitor study progress Review adverse event reports Approve/disapprove protocol amendment/revision Approve/disapprove study continuation (interim analysis)
Audit Committee	Shun-ichi Watanabe	Conduct site visit audit
Education and Training Committee	Seiichiro Yamamoto	Plan and conduct educational programs
Conflict of Interest Committee	Takuhiro Yamaguchi	Manage conflict of interest

Discipline Committee	Chair	Role
Radiotherapy Committee	Satoshi Ishikura	Quality control and quality assurance of radiotherapy
Pathology Committee	Yasushi Yatabe	Quality control and quality assurance of pathological diagnosis
Translational Research Committee	Yasushi Yatabe	Develop and streamline the system of translational research Review translational research concept/protocol
Diagnostic Radiology Committee	Hirokazu Watanabe	Support central reviews of imaging
Regulatory Affairs Committee	Taro Shibata	Collect and distribute regulatory information
Clinical Research Professionals Committee	Harumi Kaba	Facilitate the collaboration between central and local CRPs Improve JCOG study quality in the viewpoint of CRPs
Geriatric Study Committee	Tetsuya Hamaguchi	Define elderly/frail patients Develop screening tools of elderly/frail Develop"JCOG geriatric study policy"
PRO/QoL research Committee	Naomi Kiyota	Consultation on PRO/QOL evaluation Development of Japanese version of the PRO/QOL questionnaire DParticipate in international standardization projects for PRO/QOL research methods
Patient and Public Involvement Committee	Dai Maruyama	Promoting the exchange of opinions during the research planning stage Planning and conducting PPI seminars Support for public disclosure of JCOG study results