Yoshiyuki Majima

President, NPO Pancreatic Cancer Action Network Japan (PanCAN Japan)


After losing his sister to pancreatic cancer, Mr. Majima has established the Japanese affiliate of the Pancreatic Cancer Action Network which has the US headquarters in Los Angeles. In 2012, he was diagnosed with pancreatic cancer and had total pancreatectomy. At that time, a pancreatic neuroendocrine tumor was also found and hypoglycemic attacks stopped. PanCAN Japan`s main activities are to create clinical trials, faster approval of FDA approved drugs, and realize the promise of precision medicine.

Board/ Committee Membership

  • International Neuroendocrine Cancer Alliance, Director
  • Japan Federation of Cancer Patient Groups, Director
  • Rare Cancers Japan, President
  • Nuclear Medical Treatment Promotion National Congress Vice President
    Patient advisory board member of the Japan Pharmaceutical Manufacturers Association
  • National Cancer Center East Hospital Institutional Review Board Member
  • National Cancer Center Central Hospital Medical Safety External Audit Committee Member
  • Japan Pancreas Society’s Pancreatic Cancer Clinical Practice Guideline Committee Member
  • Japan Diagnosis and Clinical Practice for Neuroendocrine Tumor Guideline Committee Member
  • American Association for Cancer Research 「Cancer Today」Editorial Advisor

Professional Association Membership

  • International Society for Pharmacoeconomics and Outcomes Research Japan Chapter(ISPOR Japan)
  • American Association for Cancer Research(AACR)
    European Society for Medical Oncology(ESMO)
  • European Neuroendocrine Tumor Society(ENETS)
  • World Pancreatic Cancer Coalition(WPCC)
  • Global Action for Cancer Patients(GACP