JCOG

The Japan Clinical Oncology Group (JCOG) is the largest Japanese cooperative group funded primarily by the National Cancer Center Research and Development Fund.

Data Center/Operations Office

Data Center

  • Director: Haruhiko Fukuda
  • Vice Director: Taro Shibata
  • Advisor: Seiichiro Yamamoto

The JCOG Data Center is located in the National Cancer Center, Tokyo. The Data Center conducts quality control of all of JCOG studies to assure the reliability of results. Its tasks are patient registration, study progress monitoring, data management, data analysis, and so on. The Data Center oversees approximately 48 trials open to accrual and 35 trials on follow-up, and aims for the highest standards in terms of honesty and trustworthy.

Data Management Section

  • Section Head: Harumi Kaba
  • Patient Registration
  • Data Collection
  • Data Entry/Check
  • Central Monitoring
  • Case Report Form Development
  • Investigator Roster Management
  • Support of Protocol Development and Manuscript Drafting

Statistical Section

  • Section Head: Taro Shibata
  • Study Design
  • Data Analysis
  • Interpretation of Study Result
  • Support of Protocol Development and Manuscript Drafting


Computing Section

  • Section Head: Jun Abe
  • Database Administration
  • Network Maintenance
  • Patient Registration System Maintenance

Office of the Director

  • Section Head: Hiroko Toshima
  • Grant/Contract Management
  • Personnel Management
  • Accounting

Operations Office

  • Director: Kenichi Nakamura
  • Assistant Director: Hiroshi Katayama, Junko Eba

The JCOG Operations Office is located in the National Cancer Center, Tokyo. The Operations Office streamlines the JCOG study process through protocol development, manuscript drafting support, site visit audits, and various problem-solving tasks during study periods . Several full-time medical doctors and non-physician staff members are engaged in supporting all of the JCOG studies.

Study Coordinating Section

  • Section Head: Hiroshi Katayama
  • Protocol Development
  • Manuscript Drafting Support
  • Clinical Trial Registration
  • IND Trial Coordination
  • Coordination of trials under Advanced Medical Care System
  • Public Relations
  • Project Management
  • Educational Activities
  • Central IRB management
  • Intramural Research

Quality Assurance Section

  • Section Head: Hidenobu Yamada
  • Site Visit Audit
  • Adverse Event Reporting Desk
  • Support of Committee Activities